Flights from Ontario to San Francisco (ONT to SFO)

Discover more affordable routes and cheaper dates from Ontario to San Francisco (ONT to SFO) within a date range.

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  • US$166
    Frontier AirlinesFrontier Airlines
    5:14pm - 9:21pm
    Thu Jul 10th 2025
    4h 7m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 24th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 1358 Depart at 5:14pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:28pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 5m

    Thu Jul 10th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 45 nights

    Sun Aug 24th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$166
    Frontier AirlinesFrontier Airlines
    5:14pm - 9:21pm
    Thu Jul 10th 2025
    4h 7m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 31st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 1358 Depart at 5:14pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:28pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 5m

    Thu Jul 10th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 52 nights

    Sun Aug 31st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$166
    Frontier AirlinesFrontier Airlines
    5:14pm - 9:21pm
    Thu Jul 10th 2025
    4h 7m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Thu Aug 28th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 1358 Depart at 5:14pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:28pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 5m

    Thu Jul 10th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 49 nights

    Thu Aug 28th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$166
    Frontier AirlinesFrontier Airlines
    5:14pm - 9:21pm
    Thu Jul 10th 2025
    4h 7m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Thu Aug 21st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 1358 Depart at 5:14pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:28pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 5m

    Thu Jul 10th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 42 nights

    Thu Aug 21st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$166
    Frontier AirlinesFrontier Airlines
    5:14pm - 9:21pm
    Thu Jul 10th 2025
    4h 7m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 22nd 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 1358 Depart at 5:14pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:28pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 5m

    Thu Jul 10th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 43 nights

    Fri Aug 22nd 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$166
    Frontier AirlinesFrontier Airlines
    5:14pm - 9:21pm
    Thu Jul 10th 2025
    4h 7m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 17th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 1358 Depart at 5:14pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:28pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 5m

    Thu Jul 10th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 38 nights

    Sun Aug 17th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$166
    Frontier AirlinesFrontier Airlines
    5:14pm - 9:21pm
    Thu Jul 10th 2025
    4h 7m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 15th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 1358 Depart at 5:14pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:28pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 5m

    Thu Jul 10th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 36 nights

    Fri Aug 15th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$166
    Frontier AirlinesFrontier Airlines
    5:14pm - 9:21pm
    Thu Jul 10th 2025
    4h 7m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 18th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 1358 Depart at 5:14pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:28pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 5m

    Thu Jul 10th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 39 nights

    Mon Aug 18th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$166
    Frontier AirlinesFrontier Airlines
    5:14pm - 9:21pm
    Thu Jul 10th 2025
    4h 7m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Sep 1st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 1358 Depart at 5:14pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:28pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 5m

    Thu Jul 10th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 53 nights

    Mon Sep 1st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$166
    Frontier AirlinesFrontier Airlines
    5:14pm - 9:21pm
    Thu Jul 10th 2025
    4h 7m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 25th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 1358 Depart at 5:14pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:28pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 5m

    Thu Jul 10th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 46 nights

    Mon Aug 25th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$166
    Frontier AirlinesFrontier Airlines
    5:14pm - 9:21pm
    Thu Jul 10th 2025
    4h 7m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 11th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 1358 Depart at 5:14pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:28pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 5m

    Thu Jul 10th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 32 nights

    Mon Aug 11th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$166
    Frontier AirlinesFrontier Airlines
    5:14pm - 9:21pm
    Thu Jul 10th 2025
    4h 7m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 8th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 1358 Depart at 5:14pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:28pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 5m

    Thu Jul 10th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 29 nights

    Fri Aug 8th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$176
    Frontier AirlinesFrontier Airlines
    6:00am - 12:15pm
    Thu Jul 10th 2025
    6h 15m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 18th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 2232 Depart at 6:00am from Ontario (ONT) Fly for 1h 13m Arrive at 7:13am in Las Vegas (LAS)

    Layover in Las Vegas for 3h 12m

    Thu Jul 10th 2025 Frontier Airlines · F9 3019 Depart at 10:25am from Las Vegas (LAS) Fly for 1h 50m Arrive at 12:15pm in San Francisco (SFO)

    Stay in San Francisco for 39 nights

    Mon Aug 18th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$176
    Frontier AirlinesFrontier Airlines
    6:00am - 12:15pm
    Thu Jul 10th 2025
    6h 15m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 24th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 2232 Depart at 6:00am from Ontario (ONT) Fly for 1h 13m Arrive at 7:13am in Las Vegas (LAS)

    Layover in Las Vegas for 3h 12m

    Thu Jul 10th 2025 Frontier Airlines · F9 3019 Depart at 10:25am from Las Vegas (LAS) Fly for 1h 50m Arrive at 12:15pm in San Francisco (SFO)

    Stay in San Francisco for 45 nights

    Sun Aug 24th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$176
    Frontier AirlinesFrontier Airlines
    6:00am - 12:15pm
    Thu Jul 10th 2025
    6h 15m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 31st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 2232 Depart at 6:00am from Ontario (ONT) Fly for 1h 13m Arrive at 7:13am in Las Vegas (LAS)

    Layover in Las Vegas for 3h 12m

    Thu Jul 10th 2025 Frontier Airlines · F9 3019 Depart at 10:25am from Las Vegas (LAS) Fly for 1h 50m Arrive at 12:15pm in San Francisco (SFO)

    Stay in San Francisco for 52 nights

    Sun Aug 31st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$176
    Frontier AirlinesFrontier Airlines
    6:00am - 12:15pm
    Thu Jul 10th 2025
    6h 15m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Thu Aug 28th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 2232 Depart at 6:00am from Ontario (ONT) Fly for 1h 13m Arrive at 7:13am in Las Vegas (LAS)

    Layover in Las Vegas for 3h 12m

    Thu Jul 10th 2025 Frontier Airlines · F9 3019 Depart at 10:25am from Las Vegas (LAS) Fly for 1h 50m Arrive at 12:15pm in San Francisco (SFO)

    Stay in San Francisco for 49 nights

    Thu Aug 28th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$176
    Frontier AirlinesFrontier Airlines
    6:00am - 12:15pm
    Thu Jul 10th 2025
    6h 15m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Thu Aug 21st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 2232 Depart at 6:00am from Ontario (ONT) Fly for 1h 13m Arrive at 7:13am in Las Vegas (LAS)

    Layover in Las Vegas for 3h 12m

    Thu Jul 10th 2025 Frontier Airlines · F9 3019 Depart at 10:25am from Las Vegas (LAS) Fly for 1h 50m Arrive at 12:15pm in San Francisco (SFO)

    Stay in San Francisco for 42 nights

    Thu Aug 21st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$176
    Frontier AirlinesFrontier Airlines
    6:00am - 12:15pm
    Thu Jul 10th 2025
    6h 15m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 22nd 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 2232 Depart at 6:00am from Ontario (ONT) Fly for 1h 13m Arrive at 7:13am in Las Vegas (LAS)

    Layover in Las Vegas for 3h 12m

    Thu Jul 10th 2025 Frontier Airlines · F9 3019 Depart at 10:25am from Las Vegas (LAS) Fly for 1h 50m Arrive at 12:15pm in San Francisco (SFO)

    Stay in San Francisco for 43 nights

    Fri Aug 22nd 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$176
    Frontier AirlinesFrontier Airlines
    6:00am - 12:15pm
    Thu Jul 10th 2025
    6h 15m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 8th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 2232 Depart at 6:00am from Ontario (ONT) Fly for 1h 13m Arrive at 7:13am in Las Vegas (LAS)

    Layover in Las Vegas for 3h 12m

    Thu Jul 10th 2025 Frontier Airlines · F9 3019 Depart at 10:25am from Las Vegas (LAS) Fly for 1h 50m Arrive at 12:15pm in San Francisco (SFO)

    Stay in San Francisco for 29 nights

    Fri Aug 8th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$176
    Frontier AirlinesFrontier Airlines
    6:00am - 12:15pm
    Thu Jul 10th 2025
    6h 15m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 15th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 2232 Depart at 6:00am from Ontario (ONT) Fly for 1h 13m Arrive at 7:13am in Las Vegas (LAS)

    Layover in Las Vegas for 3h 12m

    Thu Jul 10th 2025 Frontier Airlines · F9 3019 Depart at 10:25am from Las Vegas (LAS) Fly for 1h 50m Arrive at 12:15pm in San Francisco (SFO)

    Stay in San Francisco for 36 nights

    Fri Aug 15th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$176
    Frontier AirlinesFrontier Airlines
    6:00am - 12:15pm
    Thu Jul 10th 2025
    6h 15m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 17th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 2232 Depart at 6:00am from Ontario (ONT) Fly for 1h 13m Arrive at 7:13am in Las Vegas (LAS)

    Layover in Las Vegas for 3h 12m

    Thu Jul 10th 2025 Frontier Airlines · F9 3019 Depart at 10:25am from Las Vegas (LAS) Fly for 1h 50m Arrive at 12:15pm in San Francisco (SFO)

    Stay in San Francisco for 38 nights

    Sun Aug 17th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$176
    Frontier AirlinesFrontier Airlines
    6:00am - 12:15pm
    Thu Jul 10th 2025
    6h 15m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 11th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 2232 Depart at 6:00am from Ontario (ONT) Fly for 1h 13m Arrive at 7:13am in Las Vegas (LAS)

    Layover in Las Vegas for 3h 12m

    Thu Jul 10th 2025 Frontier Airlines · F9 3019 Depart at 10:25am from Las Vegas (LAS) Fly for 1h 50m Arrive at 12:15pm in San Francisco (SFO)

    Stay in San Francisco for 32 nights

    Mon Aug 11th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$176
    Frontier AirlinesFrontier Airlines
    6:00am - 12:15pm
    Thu Jul 10th 2025
    6h 15m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Sep 1st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 2232 Depart at 6:00am from Ontario (ONT) Fly for 1h 13m Arrive at 7:13am in Las Vegas (LAS)

    Layover in Las Vegas for 3h 12m

    Thu Jul 10th 2025 Frontier Airlines · F9 3019 Depart at 10:25am from Las Vegas (LAS) Fly for 1h 50m Arrive at 12:15pm in San Francisco (SFO)

    Stay in San Francisco for 53 nights

    Mon Sep 1st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$176
    Frontier AirlinesFrontier Airlines
    6:00am - 12:15pm
    Thu Jul 10th 2025
    6h 15m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 25th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 2232 Depart at 6:00am from Ontario (ONT) Fly for 1h 13m Arrive at 7:13am in Las Vegas (LAS)

    Layover in Las Vegas for 3h 12m

    Thu Jul 10th 2025 Frontier Airlines · F9 3019 Depart at 10:25am from Las Vegas (LAS) Fly for 1h 50m Arrive at 12:15pm in San Francisco (SFO)

    Stay in San Francisco for 46 nights

    Mon Aug 25th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$182
    Frontier AirlinesFrontier Airlines
    5:14pm - 9:21pm
    Thu Jul 10th 2025
    4h 7m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 10th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 1358 Depart at 5:14pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:28pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 5m

    Thu Jul 10th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 31 nights

    Sun Aug 10th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$182
    Frontier AirlinesFrontier Airlines
    5:15pm - 9:21pm
    Tue Jul 8th 2025
    4h 6m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 24th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 Frontier Airlines · F9 1358 Depart at 5:15pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:29pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 4m

    Tue Jul 8th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 47 nights

    Sun Aug 24th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$182
    Frontier AirlinesFrontier Airlines
    5:15pm - 9:21pm
    Tue Jul 8th 2025
    4h 6m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Thu Aug 28th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 Frontier Airlines · F9 1358 Depart at 5:15pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:29pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 4m

    Tue Jul 8th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 51 nights

    Thu Aug 28th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$182
    Frontier AirlinesFrontier Airlines
    5:15pm - 9:21pm
    Tue Jul 8th 2025
    4h 6m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Sep 1st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 Frontier Airlines · F9 1358 Depart at 5:15pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:29pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 4m

    Tue Jul 8th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 55 nights

    Mon Sep 1st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$182
    Frontier AirlinesFrontier Airlines
    5:15pm - 9:21pm
    Tue Jul 8th 2025
    4h 6m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 17th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 Frontier Airlines · F9 1358 Depart at 5:15pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:29pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 4m

    Tue Jul 8th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 40 nights

    Sun Aug 17th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$182
    Frontier AirlinesFrontier Airlines
    5:15pm - 9:21pm
    Tue Jul 8th 2025
    4h 6m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 11th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 Frontier Airlines · F9 1358 Depart at 5:15pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:29pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 4m

    Tue Jul 8th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 34 nights

    Mon Aug 11th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$182
    Frontier AirlinesFrontier Airlines
    5:15pm - 9:21pm
    Tue Jul 8th 2025
    4h 6m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 15th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 Frontier Airlines · F9 1358 Depart at 5:15pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:29pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 4m

    Tue Jul 8th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 38 nights

    Fri Aug 15th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$182
    Frontier AirlinesFrontier Airlines
    5:15pm - 9:21pm
    Tue Jul 8th 2025
    4h 6m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 25th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 Frontier Airlines · F9 1358 Depart at 5:15pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:29pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 4m

    Tue Jul 8th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 48 nights

    Mon Aug 25th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$182
    Frontier AirlinesFrontier Airlines
    5:15pm - 9:21pm
    Tue Jul 8th 2025
    4h 6m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 31st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 Frontier Airlines · F9 1358 Depart at 5:15pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:29pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 4m

    Tue Jul 8th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 54 nights

    Sun Aug 31st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$182
    Frontier AirlinesFrontier Airlines
    5:15pm - 9:21pm
    Tue Jul 8th 2025
    4h 6m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 8th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 Frontier Airlines · F9 1358 Depart at 5:15pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:29pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 4m

    Tue Jul 8th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 31 nights

    Fri Aug 8th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$182
    Frontier AirlinesFrontier Airlines
    5:15pm - 9:21pm
    Tue Jul 8th 2025
    4h 6m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Thu Aug 21st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 Frontier Airlines · F9 1358 Depart at 5:15pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:29pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 4m

    Tue Jul 8th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 44 nights

    Thu Aug 21st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$182
    Frontier AirlinesFrontier Airlines
    5:15pm - 9:21pm
    Tue Jul 8th 2025
    4h 6m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 22nd 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 Frontier Airlines · F9 1358 Depart at 5:15pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:29pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 4m

    Tue Jul 8th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 45 nights

    Fri Aug 22nd 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$182
    Frontier AirlinesFrontier Airlines
    5:15pm - 9:21pm
    Tue Jul 8th 2025
    4h 6m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 18th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 Frontier Airlines · F9 1358 Depart at 5:15pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:29pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 4m

    Tue Jul 8th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 41 nights

    Mon Aug 18th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$183
    Frontier Airlines
    9:41pm - 11:14pm
    Fri Jul 11th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 24th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Fri Jul 11th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 43 nights

    Sun Aug 24th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$183
    Frontier Airlines
    9:41pm - 11:14pm
    Fri Jul 11th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 17th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Fri Jul 11th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 36 nights

    Sun Aug 17th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$183
    Frontier Airlines
    9:41pm - 11:14pm
    Fri Jul 11th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 11th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Fri Jul 11th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 30 nights

    Mon Aug 11th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$183
    Frontier Airlines
    9:41pm - 11:14pm
    Fri Jul 11th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 15th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Fri Jul 11th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 34 nights

    Fri Aug 15th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$183
    Frontier Airlines
    9:41pm - 11:14pm
    Fri Jul 11th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 25th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Fri Jul 11th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 44 nights

    Mon Aug 25th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$183
    Frontier Airlines
    9:41pm - 11:14pm
    Fri Jul 11th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 31st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Fri Jul 11th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 50 nights

    Sun Aug 31st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$183
    Frontier Airlines
    9:41pm - 11:14pm
    Fri Jul 11th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Thu Aug 28th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Fri Jul 11th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 47 nights

    Thu Aug 28th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$183
    Frontier Airlines
    9:41pm - 11:14pm
    Fri Jul 11th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Sep 1st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Fri Jul 11th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 51 nights

    Mon Sep 1st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$183
    Frontier Airlines
    9:41pm - 11:14pm
    Fri Jul 11th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 8th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Fri Jul 11th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 27 nights

    Fri Aug 8th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$183
    Frontier Airlines
    9:41pm - 11:14pm
    Fri Jul 11th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Thu Aug 21st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Fri Jul 11th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 40 nights

    Thu Aug 21st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$183
    Frontier Airlines
    9:41pm - 11:14pm
    Fri Jul 11th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 22nd 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Fri Jul 11th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 41 nights

    Fri Aug 22nd 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$183
    Frontier Airlines
    9:41pm - 11:14pm
    Fri Jul 11th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 18th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Fri Jul 11th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 37 nights

    Mon Aug 18th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$193
    Frontier AirlinesFrontier Airlines
    6:00am - 12:15pm
    Thu Jul 10th 2025
    6h 15m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 10th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 2232 Depart at 6:00am from Ontario (ONT) Fly for 1h 13m Arrive at 7:13am in Las Vegas (LAS)

    Layover in Las Vegas for 3h 12m

    Thu Jul 10th 2025 Frontier Airlines · F9 3019 Depart at 10:25am from Las Vegas (LAS) Fly for 1h 50m Arrive at 12:15pm in San Francisco (SFO)

    Stay in San Francisco for 31 nights

    Sun Aug 10th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$198
    Frontier AirlinesFrontier Airlines
    5:15pm - 9:21pm
    Tue Jul 8th 2025
    4h 6m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 10th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 Frontier Airlines · F9 1358 Depart at 5:15pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:29pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 4m

    Tue Jul 8th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 33 nights

    Sun Aug 10th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$199
    Frontier Airlines
    9:41pm - 11:14pm
    Fri Jul 11th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 10th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Fri Jul 11th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 29 nights

    Sun Aug 10th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$204
    Frontier AirlinesFrontier Airlines
    5:14pm - 9:21pm
    Thu Jul 10th 2025
    4h 7m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 29th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Thu Jul 10th 2025 Frontier Airlines · F9 1358 Depart at 5:14pm from Ontario (ONT) Fly for 1h 14m Arrive at 6:28pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 5m

    Thu Jul 10th 2025 Frontier Airlines · F9 4401 Depart at 7:33pm from Las Vegas (LAS) Fly for 1h 48m Arrive at 9:21pm in San Francisco (SFO)

    Stay in San Francisco for 50 nights

    Fri Aug 29th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$204
    Frontier Airlines
    9:41pm - 11:14pm
    Fri Jul 11th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier AirlinesFrontier Airlines
    4:31pm - 8:52pm
    Mon Aug 11th 2025
    4h 21m
    San Francisco (SFO) → Ontario (ONT)
    1 Stop

    Fri Jul 11th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 30 nights

    Mon Aug 11th 2025 Frontier Airlines · F9 2486 Depart at 4:31pm from San Francisco (SFO) Fly for 1h 46m Arrive at 6:17pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 28m

    Mon Aug 11th 2025 Frontier Airlines · F9 2231 Depart at 7:45pm from Las Vegas (LAS) Fly for 1h 7m Arrive at 8:52pm in Ontario (ONT)

  • US$204
    Frontier Airlines
    9:41pm - 11:14pm
    Fri Jul 11th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier AirlinesFrontier Airlines
    4:31pm - 8:52pm
    Mon Aug 18th 2025
    4h 21m
    San Francisco (SFO) → Ontario (ONT)
    1 Stop

    Fri Jul 11th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 37 nights

    Mon Aug 18th 2025 Frontier Airlines · F9 2486 Depart at 4:31pm from San Francisco (SFO) Fly for 1h 46m Arrive at 6:17pm in Las Vegas (LAS)

    Layover in Las Vegas for 1h 28m

    Mon Aug 18th 2025 Frontier Airlines · F9 2231 Depart at 7:45pm from Las Vegas (LAS) Fly for 1h 7m Arrive at 8:52pm in Ontario (ONT)

  • US$204
    Frontier Airlines
    9:41pm - 11:14pm
    Fri Jul 11th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier AirlinesFrontier Airlines
    3:42pm - 8:52pm
    Thu Aug 7th 2025
    5h 10m
    San Francisco (SFO) → Ontario (ONT)
    1 Stop

    Fri Jul 11th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 26 nights

    Thu Aug 7th 2025 Frontier Airlines · F9 2486 Depart at 3:42pm from San Francisco (SFO) Fly for 1h 44m Arrive at 5:26pm in Las Vegas (LAS)

    Layover in Las Vegas for 2h 19m

    Thu Aug 7th 2025 Frontier Airlines · F9 2231 Depart at 7:45pm from Las Vegas (LAS) Fly for 1h 7m Arrive at 8:52pm in Ontario (ONT)

  • US$208
    Frontier AirlinesFrontier Airlines
    7:00am - 12:15pm
    Tue Jul 8th 2025
    5h 15m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 24th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 Frontier Airlines · F9 2232 Depart at 7:00am from Ontario (ONT) Fly for 1h 11m Arrive at 8:11am in Las Vegas (LAS)

    Layover in Las Vegas for 2h 14m

    Tue Jul 8th 2025 Frontier Airlines · F9 3019 Depart at 10:25am from Las Vegas (LAS) Fly for 1h 50m Arrive at 12:15pm in San Francisco (SFO)

    Stay in San Francisco for 47 nights

    Sun Aug 24th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$208
    Frontier AirlinesFrontier Airlines
    7:00am - 12:15pm
    Tue Jul 8th 2025
    5h 15m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 25th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 Frontier Airlines · F9 2232 Depart at 7:00am from Ontario (ONT) Fly for 1h 11m Arrive at 8:11am in Las Vegas (LAS)

    Layover in Las Vegas for 2h 14m

    Tue Jul 8th 2025 Frontier Airlines · F9 3019 Depart at 10:25am from Las Vegas (LAS) Fly for 1h 50m Arrive at 12:15pm in San Francisco (SFO)

    Stay in San Francisco for 48 nights

    Mon Aug 25th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$208
    Frontier AirlinesFrontier Airlines
    7:00am - 12:15pm
    Tue Jul 8th 2025
    5h 15m
    Ontario (ONT) → San Francisco (SFO)
    1 Stop
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 31st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 Frontier Airlines · F9 2232 Depart at 7:00am from Ontario (ONT) Fly for 1h 11m Arrive at 8:11am in Las Vegas (LAS)

    Layover in Las Vegas for 2h 14m

    Tue Jul 8th 2025 Frontier Airlines · F9 3019 Depart at 10:25am from Las Vegas (LAS) Fly for 1h 50m Arrive at 12:15pm in San Francisco (SFO)

    Stay in San Francisco for 54 nights

    Sun Aug 31st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$210
    Frontier Airlines
    9:41pm - 11:14pm
    Sun Jul 6th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 18th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Sun Jul 6th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 42 nights

    Mon Aug 18th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$210
    Frontier Airlines
    9:41pm - 11:14pm
    Sun Jul 6th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 24th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Sun Jul 6th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 48 nights

    Sun Aug 24th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$210
    Frontier Airlines
    9:41pm - 11:14pm
    Sun Jul 6th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 11th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Sun Jul 6th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 35 nights

    Mon Aug 11th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$210
    Frontier Airlines
    9:41pm - 11:14pm
    Sun Jul 6th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 25th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Sun Jul 6th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 49 nights

    Mon Aug 25th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$210
    Frontier Airlines
    9:41pm - 11:14pm
    Sun Jul 6th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 15th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Sun Jul 6th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 39 nights

    Fri Aug 15th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$210
    Frontier Airlines
    9:41pm - 11:14pm
    Sun Jul 6th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 31st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Sun Jul 6th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 55 nights

    Sun Aug 31st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$210
    Frontier Airlines
    9:41pm - 11:14pm
    Sun Jul 6th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Thu Aug 28th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Sun Jul 6th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 52 nights

    Thu Aug 28th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$210
    Frontier Airlines
    9:41pm - 11:14pm
    Sun Jul 6th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Sep 1st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Sun Jul 6th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 56 nights

    Mon Sep 1st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$210
    Frontier Airlines
    9:41pm - 11:14pm
    Sun Jul 6th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Thu Aug 21st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Sun Jul 6th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 45 nights

    Thu Aug 21st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$210
    Frontier Airlines
    9:41pm - 11:14pm
    Sun Jul 6th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 22nd 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Sun Jul 6th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 46 nights

    Fri Aug 22nd 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$210
    Frontier Airlines
    9:41pm - 11:14pm
    Sun Jul 6th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 8th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Sun Jul 6th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 32 nights

    Fri Aug 8th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$210
    Frontier Airlines
    9:41pm - 11:14pm
    Sun Jul 6th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 17th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Sun Jul 6th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 41 nights

    Sun Aug 17th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$215
    United Airlines
    1:19pm - 2:46pm
    Tue Jul 8th 2025
    1h 27m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    United Airlines
    7:10pm - 8:33pm
    Fri Aug 22nd 2025
    1h 23m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 United Airlines · UA 2332 Depart at 1:19pm from Ontario (ONT) Fly for 1h 27m Arrive at 2:46pm in San Francisco (SFO)

    Stay in San Francisco for 45 nights

    Fri Aug 22nd 2025 United Airlines · UA 210 Depart at 7:10pm from San Francisco (SFO) Fly for 1h 23m Arrive at 8:33pm in Ontario (ONT)

  • US$215
    United Airlines
    1:19pm - 2:46pm
    Tue Jul 8th 2025
    1h 27m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    United Airlines
    10:45am - 12:13pm
    Fri Aug 22nd 2025
    1h 28m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 United Airlines · UA 2332 Depart at 1:19pm from Ontario (ONT) Fly for 1h 27m Arrive at 2:46pm in San Francisco (SFO)

    Stay in San Francisco for 44 nights

    Fri Aug 22nd 2025 United Airlines · UA 1697 Depart at 10:45am from San Francisco (SFO) Fly for 1h 28m Arrive at 12:13pm in Ontario (ONT)

  • US$221
    Frontier Airlines
    9:41pm - 11:14pm
    Fri Jul 11th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 29th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Fri Jul 11th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 48 nights

    Fri Aug 29th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$226
    Frontier Airlines
    9:41pm - 11:14pm
    Sun Jul 6th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 10th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Sun Jul 6th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 34 nights

    Sun Aug 10th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$233
    Frontier Airlines
    9:41pm - 11:14pm
    Mon Jul 7th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 18th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 41 nights

    Mon Aug 18th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$233
    Frontier Airlines
    9:41pm - 11:14pm
    Mon Jul 7th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 24th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 47 nights

    Sun Aug 24th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$233
    Frontier Airlines
    9:41pm - 11:14pm
    Mon Jul 7th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 31st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 54 nights

    Sun Aug 31st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$233
    Frontier Airlines
    9:41pm - 11:14pm
    Mon Jul 7th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Thu Aug 28th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 51 nights

    Thu Aug 28th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$233
    Frontier Airlines
    9:41pm - 11:14pm
    Mon Jul 7th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 11th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 34 nights

    Mon Aug 11th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$233
    Frontier Airlines
    9:41pm - 11:14pm
    Mon Jul 7th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 8th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 31 nights

    Fri Aug 8th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$233
    Frontier Airlines
    9:41pm - 11:14pm
    Mon Jul 7th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 15th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 38 nights

    Fri Aug 15th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$233
    Frontier Airlines
    9:41pm - 11:14pm
    Mon Jul 7th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 17th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 40 nights

    Sun Aug 17th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$233
    Frontier Airlines
    9:41pm - 11:14pm
    Mon Jul 7th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Sep 1st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 55 nights

    Mon Sep 1st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$233
    Frontier Airlines
    9:41pm - 11:14pm
    Mon Jul 7th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Thu Aug 21st 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 44 nights

    Thu Aug 21st 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$233
    Frontier Airlines
    9:41pm - 11:14pm
    Mon Jul 7th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 22nd 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 45 nights

    Fri Aug 22nd 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$233
    Frontier Airlines
    9:41pm - 11:14pm
    Mon Jul 7th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Mon Aug 25th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 48 nights

    Mon Aug 25th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$238
    United Airlines
    1:19pm - 2:46pm
    Tue Jul 8th 2025
    1h 27m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    United Airlines
    9:25pm - 10:52pm
    Mon Aug 18th 2025
    1h 27m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 United Airlines · UA 2332 Depart at 1:19pm from Ontario (ONT) Fly for 1h 27m Arrive at 2:46pm in San Francisco (SFO)

    Stay in San Francisco for 41 nights

    Mon Aug 18th 2025 United Airlines · UA 448 Depart at 9:25pm from San Francisco (SFO) Fly for 1h 27m Arrive at 10:52pm in Ontario (ONT)

  • US$238
    United Airlines
    1:19pm - 2:46pm
    Tue Jul 8th 2025
    1h 27m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    United Airlines
    4:16pm - 5:43pm
    Mon Aug 18th 2025
    1h 27m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 United Airlines · UA 2332 Depart at 1:19pm from Ontario (ONT) Fly for 1h 27m Arrive at 2:46pm in San Francisco (SFO)

    Stay in San Francisco for 41 nights

    Mon Aug 18th 2025 United Airlines · UA 368 Depart at 4:16pm from San Francisco (SFO) Fly for 1h 27m Arrive at 5:43pm in Ontario (ONT)

  • US$238
    United Airlines
    1:19pm - 2:46pm
    Tue Jul 8th 2025
    1h 27m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    United Airlines
    10:45am - 12:14pm
    Mon Aug 18th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Tue Jul 8th 2025 United Airlines · UA 2332 Depart at 1:19pm from Ontario (ONT) Fly for 1h 27m Arrive at 2:46pm in San Francisco (SFO)

    Stay in San Francisco for 40 nights

    Mon Aug 18th 2025 United Airlines · UA 1697 Depart at 10:45am from San Francisco (SFO) Fly for 1h 29m Arrive at 12:14pm in Ontario (ONT)

  • US$248
    Frontier Airlines
    9:41pm - 11:14pm
    Sun Jul 6th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Fri Aug 29th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Sun Jul 6th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 53 nights

    Fri Aug 29th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$249
    Frontier Airlines
    9:41pm - 11:14pm
    Mon Jul 7th 2025
    1h 33m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    Frontier Airlines
    10:11pm - 11:40pm
    Sun Aug 10th 2025
    1h 29m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 Frontier Airlines · F9 2677 Depart at 9:41pm from Ontario (ONT) Fly for 1h 33m Arrive at 11:14pm in San Francisco (SFO)

    Stay in San Francisco for 33 nights

    Sun Aug 10th 2025 Frontier Airlines · F9 2678 Depart at 10:11pm from San Francisco (SFO) Fly for 1h 29m Arrive at 11:40pm in Ontario (ONT)

  • US$323
    United Airlines
    1:19pm - 2:46pm
    Mon Jul 7th 2025
    1h 27m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    United Airlines
    7:10pm - 8:33pm
    Mon Sep 1st 2025
    1h 23m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 United Airlines · UA 2332 Depart at 1:19pm from Ontario (ONT) Fly for 1h 27m Arrive at 2:46pm in San Francisco (SFO)

    Stay in San Francisco for 56 nights

    Mon Sep 1st 2025 United Airlines · UA 210 Depart at 7:10pm from San Francisco (SFO) Fly for 1h 23m Arrive at 8:33pm in Ontario (ONT)

  • US$335
    United Airlines
    6:10am - 7:37am
    Sun Jul 6th 2025
    1h 27m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    United Airlines
    7:10pm - 8:33pm
    Sun Aug 24th 2025
    1h 23m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Sun Jul 6th 2025 United Airlines · UA 277 Depart at 6:10am from Ontario (ONT) Fly for 1h 27m Arrive at 7:37am in San Francisco (SFO)

    Stay in San Francisco for 49 nights

    Sun Aug 24th 2025 United Airlines · UA 210 Depart at 7:10pm from San Francisco (SFO) Fly for 1h 23m Arrive at 8:33pm in Ontario (ONT)

  • US$335
    United Airlines
    6:39pm - 8:06pm
    Sun Jul 6th 2025
    1h 27m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    United Airlines
    7:10pm - 8:33pm
    Sun Aug 24th 2025
    1h 23m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Sun Jul 6th 2025 United Airlines · UA 1603 Depart at 6:39pm from Ontario (ONT) Fly for 1h 27m Arrive at 8:06pm in San Francisco (SFO)

    Stay in San Francisco for 48 nights

    Sun Aug 24th 2025 United Airlines · UA 210 Depart at 7:10pm from San Francisco (SFO) Fly for 1h 23m Arrive at 8:33pm in Ontario (ONT)

  • US$344
    United Airlines
    6:39pm - 8:06pm
    Mon Jul 7th 2025
    1h 27m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    United Airlines
    7:10pm - 8:33pm
    Mon Sep 1st 2025
    1h 23m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 United Airlines · UA 1603 Depart at 6:39pm from Ontario (ONT) Fly for 1h 27m Arrive at 8:06pm in San Francisco (SFO)

    Stay in San Francisco for 55 nights

    Mon Sep 1st 2025 United Airlines · UA 210 Depart at 7:10pm from San Francisco (SFO) Fly for 1h 23m Arrive at 8:33pm in Ontario (ONT)

  • US$411
    United Airlines
    1:19pm - 2:46pm
    Mon Jul 7th 2025
    1h 27m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    United Airlines
    4:17pm - 5:37pm
    Mon Sep 1st 2025
    1h 20m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 United Airlines · UA 2332 Depart at 1:19pm from Ontario (ONT) Fly for 1h 27m Arrive at 2:46pm in San Francisco (SFO)

    Stay in San Francisco for 56 nights

    Mon Sep 1st 2025 United Airlines · UA 1772 Depart at 4:17pm from San Francisco (SFO) Fly for 1h 20m Arrive at 5:37pm in Ontario (ONT)

  • US$432
    United Airlines
    6:39pm - 8:06pm
    Mon Jul 7th 2025
    1h 27m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    United Airlines
    4:17pm - 5:37pm
    Mon Sep 1st 2025
    1h 20m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 United Airlines · UA 1603 Depart at 6:39pm from Ontario (ONT) Fly for 1h 27m Arrive at 8:06pm in San Francisco (SFO)

    Stay in San Francisco for 55 nights

    Mon Sep 1st 2025 United Airlines · UA 1772 Depart at 4:17pm from San Francisco (SFO) Fly for 1h 20m Arrive at 5:37pm in Ontario (ONT)

  • US$496
    United Airlines
    6:10am - 7:37am
    Mon Jul 7th 2025
    1h 27m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    United Airlines
    7:10pm - 8:33pm
    Mon Sep 1st 2025
    1h 23m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 United Airlines · UA 277 Depart at 6:10am from Ontario (ONT) Fly for 1h 27m Arrive at 7:37am in San Francisco (SFO)

    Stay in San Francisco for 56 nights

    Mon Sep 1st 2025 United Airlines · UA 210 Depart at 7:10pm from San Francisco (SFO) Fly for 1h 23m Arrive at 8:33pm in Ontario (ONT)

  • US$584
    United Airlines
    6:10am - 7:37am
    Mon Jul 7th 2025
    1h 27m
    Ontario (ONT) → San Francisco (SFO)
    Direct
    United Airlines
    4:17pm - 5:37pm
    Mon Sep 1st 2025
    1h 20m
    San Francisco (SFO) → Ontario (ONT)
    Direct

    Mon Jul 7th 2025 United Airlines · UA 277 Depart at 6:10am from Ontario (ONT) Fly for 1h 27m Arrive at 7:37am in San Francisco (SFO)

    Stay in San Francisco for 56 nights

    Mon Sep 1st 2025 United Airlines · UA 1772 Depart at 4:17pm from San Francisco (SFO) Fly for 1h 20m Arrive at 5:37pm in Ontario (ONT)

@sarahbb1
Sarah Belizaire
@sarahbb1

Have flexible travel plans or looking for alternative routes given the chaos? Check out all the connection possibilities via a super helpful site created by @ismaelyws flightlist.io thanks to @andy_travels for the recommendation #travel #flights

@eyupitsjohn
John Ford
@eyupitsjohn

There seem to be lots of sites launching at the moment that promise to find you cheap flights but not many have the professional finish of Flightlist by @ismaelyws #travel #flights

@oamingsonaa
Roaming Sonaa
@roamingsonaa

For people wanting to maximize their trips, Flightlist is my newest travel hack for uncovering the coolest routes at irresistible prices. No stress, no annoying ads — just seamless flight booking with amazing functionality.

@andy_travels
Andy Travels
@andy_travels

@ismaelyws Just tried out Flightlist for the first time. Really nice idea, well made, and just what I need at the moment 👍

@travelwitbender
Travel With Bender
@travelwitbender

Did you spot my recent article about how to score cheap one way flights? ✈️ FlightList is my new secret tool for discovering cheap routes, within a departure date range. Plus you can also search by country/region for departures & destinations. Powerful! 💪

@travel.with.wes
Wesley Mergard
@travel.with.wes

One useful tool I've found for evaluating different departure and return dates is called FlightList.io. You can quickly scan different travel date ranges, carriers and one way flight options to easily determine the cheapest flight combinations for your trip.

Explore Flight Options

FlightList Blog

Flightlist Interviews 7 Travel Experts On Why They Book One Way Flights
Flightlist Interviews 7 Travel Experts On Why They Book One Way Flights
Why I built FlightList & solved my own problem
Why I Built FlightList & Solved My Own Problem

About FlightList

❝Founded by a remote worker and frequent flyer, who discovered that the best deals come from searching with flexible dates across entire countries or regions. Our streamlined platform strips away the clutter found on typical travel sites, offering a clean interface that focuses solely on finding cost-effective flights. Unlike traditional booking sites, FlightList allows users to search by date ranges and broad destinations, unveiling opportunities that rigid parameters often miss. Our filters let travelers tailor searches to their specific needs, whether they're digital nomads seeking their next adventure or budget-conscious explorers maximizing travel funds. We've made finding cheap flights into a quicker and easier experience, empowering users to discover just how far their budget can take them.❞

Hans Desjarlais, Founder Hans Desjarlais Profile Picture