Flights from San Francisco to Ontario (SFO to ONT)

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

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US$21

8:06am - 9:34am
Mon Mar 3rd 2025

1h 28m
San Francisco (SFO) → Ontario (ONT)

Direct

Mon Mar 3rd 2025 Frontier Airlines · F9 2678 Depart at 8:06am from San Francisco (SFO) Fly for 1h 28m Arrive at 9:34am in Ontario (ONT)
US$21

8:06am - 9:34am
Sun Mar 2nd 2025

1h 28m
San Francisco (SFO) → Ontario (ONT)

Direct

Sun Mar 2nd 2025 Frontier Airlines · F9 2678 Depart at 8:06am from San Francisco (SFO) Fly for 1h 28m Arrive at 9:34am in Ontario (ONT)
US$56

7:45am - 9:15am
Mon Mar 3rd 2025

1h 30m
San Francisco (SFO) → Ontario (ONT)

Direct

Mon Mar 3rd 2025 United Airlines · UA 5740 Depart at 7:45am from San Francisco (SFO) Fly for 1h 30m Arrive at 9:15am in Ontario (ONT)
US$56

7:10pm - 8:40pm
Sat Mar 1st 2025

1h 30m
San Francisco (SFO) → Ontario (ONT)

Direct

Sat Mar 1st 2025 United Airlines · UA 794 Depart at 7:10pm from San Francisco (SFO) Fly for 1h 30m Arrive at 8:40pm in Ontario (ONT)
US$56

7:10pm - 8:40pm
Mon Mar 3rd 2025

1h 30m
San Francisco (SFO) → Ontario (ONT)

Direct

Mon Mar 3rd 2025 United Airlines · UA 794 Depart at 7:10pm from San Francisco (SFO) Fly for 1h 30m Arrive at 8:40pm in Ontario (ONT)
US$120

5:00pm - 6:31pm
Mon Mar 3rd 2025

1h 31m
San Francisco (SFO) → Ontario (ONT)

Direct

Mon Mar 3rd 2025 United Airlines · UA 5587 Depart at 5:00pm from San Francisco (SFO) Fly for 1h 31m Arrive at 6:31pm in Ontario (ONT)
US$120

5:00pm - 6:31pm
Sat Mar 1st 2025

1h 31m
San Francisco (SFO) → Ontario (ONT)

Direct

Sat Mar 1st 2025 United Airlines · UA 5587 Depart at 5:00pm from San Francisco (SFO) Fly for 1h 31m Arrive at 6:31pm in Ontario (ONT)
US$141

1:00pm - 2:30pm
Sat Mar 1st 2025

1h 30m
San Francisco (SFO) → Ontario (ONT)

Direct

Sat Mar 1st 2025 United Airlines · UA 5684 Depart at 1:00pm from San Francisco (SFO) Fly for 1h 30m Arrive at 2:30pm in Ontario (ONT)
US$173

7:10pm - 8:40pm
Sun Mar 2nd 2025

1h 30m
San Francisco (SFO) → Ontario (ONT)

Direct

Sun Mar 2nd 2025 United Airlines · UA 794 Depart at 7:10pm from San Francisco (SFO) Fly for 1h 30m Arrive at 8:40pm in Ontario (ONT)
US$244

7:49pm - 11:02am
Mon Mar 3rd 2025

15h 13m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Mon Mar 3rd 2025 Hawaiian Airlines · HA 6839 Depart at 7:49pm from San Francisco (SFO) Fly for 2h 11m Arrive at 10:00pm in Seattle (SEA)

Layover in Seattle for 10h 25m

Tue Mar 4th 2025 Hawaiian Airlines · HA 6814 Depart at 8:25am from Seattle (SEA) Fly for 2h 37m Arrive at 11:02am in Ontario (ONT)
US$244

6:46pm - 11:02am
Mon Mar 3rd 2025

16h 16m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Mon Mar 3rd 2025 Hawaiian Airlines · HA 6895 Depart at 6:46pm from San Francisco (SFO) Fly for 2h 10m Arrive at 8:56pm in Seattle (SEA)

Layover in Seattle for 11h 29m

Tue Mar 4th 2025 Hawaiian Airlines · HA 6814 Depart at 8:25am from Seattle (SEA) Fly for 2h 37m Arrive at 11:02am in Ontario (ONT)
US$258

5:00pm - 6:31pm
Sun Mar 2nd 2025

1h 31m
San Francisco (SFO) → Ontario (ONT)

Direct

Sun Mar 2nd 2025 United Airlines · UA 5587 Depart at 5:00pm from San Francisco (SFO) Fly for 1h 31m Arrive at 6:31pm in Ontario (ONT)
US$261

3:30pm - 7:39pm
Sat Mar 1st 2025

4h 9m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Sat Mar 1st 2025 Frontier Airlines · F9 2486 Depart at 3:30pm from San Francisco (SFO) Fly for 1h 42m Arrive at 5:12pm in Las Vegas (LAS)

Layover in Las Vegas for 1h 20m

Sat Mar 1st 2025 Frontier Airlines · F9 2231 Depart at 6:32pm from Las Vegas (LAS) Fly for 1h 7m Arrive at 7:39pm in Ontario (ONT)
US$261

11:02am - 3:19pm
Mon Mar 3rd 2025

4h 17m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Mon Mar 3rd 2025 Frontier Airlines · F9 4158 Depart at 11:02am from San Francisco (SFO) Fly for 1h 44m Arrive at 12:46pm in Las Vegas (LAS)

Layover in Las Vegas for 1h 24m

Mon Mar 3rd 2025 Frontier Airlines · F9 2231 Depart at 2:10pm from Las Vegas (LAS) Fly for 1h 9m Arrive at 3:19pm in Ontario (ONT)
US$265

1:00pm - 2:29pm
Mon Mar 3rd 2025

1h 29m
San Francisco (SFO) → Ontario (ONT)

Direct

Mon Mar 3rd 2025 United Airlines · UA 5684 Depart at 1:00pm from San Francisco (SFO) Fly for 1h 29m Arrive at 2:29pm in Ontario (ONT)
US$267

10:59pm - 7:26am
Sat Mar 1st 2025

8h 27m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Sat Mar 1st 2025 Frontier Airlines · F9 1850 Depart at 10:59pm from San Francisco (SFO) Fly for 1h 43m Arrive at 12:42am in Las Vegas (LAS)

Layover in Las Vegas for 5h 38m

Sun Mar 2nd 2025 Frontier Airlines · F9 1283 Depart at 6:20am from Las Vegas (LAS) Fly for 1h 6m Arrive at 7:26am in Ontario (ONT)
US$267

10:59pm - 7:26am
Sun Mar 2nd 2025

8h 27m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Sun Mar 2nd 2025 Frontier Airlines · F9 2486 Depart at 10:59pm from San Francisco (SFO) Fly for 1h 43m Arrive at 12:42am in Las Vegas (LAS)

Layover in Las Vegas for 5h 38m

Mon Mar 3rd 2025 Frontier Airlines · F9 4757 Depart at 6:20am from Las Vegas (LAS) Fly for 1h 6m Arrive at 7:26am in Ontario (ONT)
US$267

11:02am - 8:16pm
Mon Mar 3rd 2025

9h 14m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Mon Mar 3rd 2025 Frontier Airlines · F9 4158 Depart at 11:02am from San Francisco (SFO) Fly for 1h 44m Arrive at 12:46pm in Las Vegas (LAS)

Layover in Las Vegas for 6h 26m

Mon Mar 3rd 2025 Frontier Airlines · F9 1357 Depart at 7:12pm from Las Vegas (LAS) Fly for 1h 4m Arrive at 8:16pm in Ontario (ONT)
US$267

8:19pm - 7:26am
Sat Mar 1st 2025

11h 7m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Sat Mar 1st 2025 Frontier Airlines · F9 3020 Depart at 8:19pm from San Francisco (SFO) Fly for 1h 42m Arrive at 10:01pm in Las Vegas (LAS)

Layover in Las Vegas for 8h 19m

Sun Mar 2nd 2025 Frontier Airlines · F9 1283 Depart at 6:20am from Las Vegas (LAS) Fly for 1h 6m Arrive at 7:26am in Ontario (ONT)
US$267

7:59pm - 7:26am
Sun Mar 2nd 2025

11h 27m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Sun Mar 2nd 2025 Frontier Airlines · F9 3020 Depart at 7:59pm from San Francisco (SFO) Fly for 1h 37m Arrive at 9:36pm in Las Vegas (LAS)

Layover in Las Vegas for 8h 44m

Mon Mar 3rd 2025 Frontier Airlines · F9 4757 Depart at 6:20am from Las Vegas (LAS) Fly for 1h 6m Arrive at 7:26am in Ontario (ONT)
US$289

11:11am - 4:59pm
Mon Mar 3rd 2025

5h 48m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Mon Mar 3rd 2025 Hawaiian Airlines · HA 7006 Depart at 11:11am from San Francisco (SFO) Fly for 1h 50m Arrive at 1:01pm in Portland (PDX)

Layover in Portland for 1h 44m

Mon Mar 3rd 2025 Hawaiian Airlines · HA 6268 Depart at 2:45pm from Portland (PDX) Fly for 2h 14m Arrive at 4:59pm in Ontario (ONT)
US$289

4:53pm - 11:58pm
Sat Mar 1st 2025

7h 5m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Sat Mar 1st 2025 Hawaiian Airlines · HA 6599 Depart at 4:53pm from San Francisco (SFO) Fly for 1h 47m Arrive at 6:40pm in Portland (PDX)

Layover in Portland for 3h 4m

Sat Mar 1st 2025 Hawaiian Airlines · HA 6257 Depart at 9:44pm from Portland (PDX) Fly for 2h 14m Arrive at 11:58pm in Ontario (ONT)
US$289

9:16am - 4:59pm
Sat Mar 1st 2025

7h 43m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Sat Mar 1st 2025 Hawaiian Airlines · HA 6807 Depart at 9:16am from San Francisco (SFO) Fly for 1h 50m Arrive at 11:06am in Portland (PDX)

Layover in Portland for 3h 39m

Sat Mar 1st 2025 Hawaiian Airlines · HA 6268 Depart at 2:45pm from Portland (PDX) Fly for 2h 14m Arrive at 4:59pm in Ontario (ONT)
US$289

9:00am - 4:59pm
Mon Mar 3rd 2025

7h 59m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Mon Mar 3rd 2025 Hawaiian Airlines · HA 6807 Depart at 9:00am from San Francisco (SFO) Fly for 1h 50m Arrive at 10:50am in Portland (PDX)

Layover in Portland for 3h 55m

Mon Mar 3rd 2025 Hawaiian Airlines · HA 6268 Depart at 2:45pm from Portland (PDX) Fly for 2h 14m Arrive at 4:59pm in Ontario (ONT)
US$294

8:05am - 4:59pm
Mon Mar 3rd 2025

8h 54m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Mon Mar 3rd 2025 Hawaiian Airlines · HA 6811 Depart at 8:05am from San Francisco (SFO) Fly for 1h 53m Arrive at 9:58am in Portland (PDX)

Layover in Portland for 4h 47m

Mon Mar 3rd 2025 Hawaiian Airlines · HA 6268 Depart at 2:45pm from Portland (PDX) Fly for 2h 14m Arrive at 4:59pm in Ontario (ONT)
US$297

2:43pm - 11:24pm
Sun Mar 2nd 2025

8h 41m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Sun Mar 2nd 2025 Hawaiian Airlines · HA 6838 Depart at 2:43pm from San Francisco (SFO) Fly for 2h 16m Arrive at 4:59pm in Seattle (SEA)

Layover in Seattle for 3h 50m

Sun Mar 2nd 2025 Hawaiian Airlines · HA 6609 Depart at 8:49pm from Seattle (SEA) Fly for 2h 35m Arrive at 11:24pm in Ontario (ONT)
US$304

5:50pm - 11:24pm
Mon Mar 3rd 2025

5h 34m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Mon Mar 3rd 2025 Alaska Airlines · AS 971 Depart at 5:50pm from San Francisco (SFO) Fly for 2h 10m Arrive at 8:00pm in Seattle (SEA)

Layover in Seattle for 0h 49m

Mon Mar 3rd 2025 Alaska Airlines · AS 1003 Depart at 8:49pm from Seattle (SEA) Fly for 2h 35m Arrive at 11:24pm in Ontario (ONT)
US$304

11:35am - 6:19pm
Mon Mar 3rd 2025

6h 44m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Mon Mar 3rd 2025 Alaska Airlines · AS 1225 Depart at 11:35am from San Francisco (SFO) Fly for 2h 18m Arrive at 1:53pm in Seattle (SEA)

Layover in Seattle for 1h 56m

Mon Mar 3rd 2025 Alaska Airlines · AS 1086 Depart at 3:49pm from Seattle (SEA) Fly for 2h 30m Arrive at 6:19pm in Ontario (ONT)
US$304

4:39pm - 11:24pm
Mon Mar 3rd 2025

6h 45m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Mon Mar 3rd 2025 Alaska Airlines · AS 1078 Depart at 4:39pm from San Francisco (SFO) Fly for 2h 14m Arrive at 6:53pm in Seattle (SEA)

Layover in Seattle for 1h 56m

Mon Mar 3rd 2025 Alaska Airlines · AS 1003 Depart at 8:49pm from Seattle (SEA) Fly for 2h 35m Arrive at 11:24pm in Ontario (ONT)
US$304

2:43pm - 11:24pm
Mon Mar 3rd 2025

8h 41m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Mon Mar 3rd 2025 Alaska Airlines · AS 1059 Depart at 2:43pm from San Francisco (SFO) Fly for 2h 16m Arrive at 4:59pm in Seattle (SEA)

Layover in Seattle for 3h 50m

Mon Mar 3rd 2025 Alaska Airlines · AS 1003 Depart at 8:49pm from Seattle (SEA) Fly for 2h 35m Arrive at 11:24pm in Ontario (ONT)
US$304

2:43pm - 11:24pm
Sun Mar 2nd 2025

8h 41m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Sun Mar 2nd 2025 Alaska Airlines · AS 1059 Depart at 2:43pm from San Francisco (SFO) Fly for 2h 16m Arrive at 4:59pm in Seattle (SEA)

Layover in Seattle for 3h 50m

Sun Mar 2nd 2025 Alaska Airlines · AS 1003 Depart at 8:49pm from Seattle (SEA) Fly for 2h 35m Arrive at 11:24pm in Ontario (ONT)
US$309

8:05am - 4:59pm
Sun Mar 2nd 2025

8h 54m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Sun Mar 2nd 2025 Hawaiian Airlines · HA 6811 Depart at 8:05am from San Francisco (SFO) Fly for 1h 53m Arrive at 9:58am in Portland (PDX)

Layover in Portland for 4h 47m

Sun Mar 2nd 2025 Hawaiian Airlines · HA 6268 Depart at 2:45pm from Portland (PDX) Fly for 2h 14m Arrive at 4:59pm in Ontario (ONT)
US$310

6:59pm - 11:58pm
Sat Mar 1st 2025

4h 59m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Sat Mar 1st 2025 Alaska Airlines · AS 1169 Depart at 6:59pm from San Francisco (SFO) Fly for 1h 47m Arrive at 8:46pm in Portland (PDX)

Layover in Portland for 0h 58m

Sat Mar 1st 2025 Alaska Airlines · AS 1066 Depart at 9:44pm from Portland (PDX) Fly for 2h 14m Arrive at 11:58pm in Ontario (ONT)
US$310

11:11am - 4:59pm
Mon Mar 3rd 2025

5h 48m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Mon Mar 3rd 2025 Alaska Airlines · AS 835 Depart at 11:11am from San Francisco (SFO) Fly for 1h 50m Arrive at 1:01pm in Portland (PDX)

Layover in Portland for 1h 44m

Mon Mar 3rd 2025 Alaska Airlines · AS 2074 Depart at 2:45pm from Portland (PDX) Fly for 2h 14m Arrive at 4:59pm in Ontario (ONT)
US$310

4:53pm - 11:58pm
Sat Mar 1st 2025

7h 5m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Sat Mar 1st 2025 Alaska Airlines · AS 337 Depart at 4:53pm from San Francisco (SFO) Fly for 1h 47m Arrive at 6:40pm in Portland (PDX)

Layover in Portland for 3h 4m

Sat Mar 1st 2025 Alaska Airlines · AS 1066 Depart at 9:44pm from Portland (PDX) Fly for 2h 14m Arrive at 11:58pm in Ontario (ONT)
US$310

9:16am - 4:59pm
Sat Mar 1st 2025

7h 43m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Sat Mar 1st 2025 Alaska Airlines · AS 3439 Depart at 9:16am from San Francisco (SFO) Fly for 1h 50m Arrive at 11:06am in Portland (PDX)

Layover in Portland for 3h 39m

Sat Mar 1st 2025 Alaska Airlines · AS 2074 Depart at 2:45pm from Portland (PDX) Fly for 2h 14m Arrive at 4:59pm in Ontario (ONT)
US$310

9:00am - 4:59pm
Mon Mar 3rd 2025

7h 59m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Mon Mar 3rd 2025 Alaska Airlines · AS 138 Depart at 9:00am from San Francisco (SFO) Fly for 1h 50m Arrive at 10:50am in Portland (PDX)

Layover in Portland for 3h 55m

Mon Mar 3rd 2025 Alaska Airlines · AS 2074 Depart at 2:45pm from Portland (PDX) Fly for 2h 14m Arrive at 4:59pm in Ontario (ONT)
US$326

11:11am - 4:59pm
Sun Mar 2nd 2025

5h 48m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Sun Mar 2nd 2025 Hawaiian Airlines · HA 7006 Depart at 11:11am from San Francisco (SFO) Fly for 1h 50m Arrive at 1:01pm in Portland (PDX)

Layover in Portland for 1h 44m

Sun Mar 2nd 2025 Hawaiian Airlines · HA 6268 Depart at 2:45pm from Portland (PDX) Fly for 2h 14m Arrive at 4:59pm in Ontario (ONT)
US$333

5:50pm - 11:24pm
Sun Mar 2nd 2025

5h 34m
San Francisco (SFO) → Ontario (ONT)

1 Stop

Sun Mar 2nd 2025 Alaska Airlines · AS 971 Depart at 5:50pm from San Francisco (SFO) Fly for 2h 10m Arrive at 8:00pm in Seattle (SEA)

Layover in Seattle for 0h 49m

Sun Mar 2nd 2025 Alaska Airlines · AS 1003 Depart at 8:49pm from Seattle (SEA) Fly for 2h 35m Arrive at 11:24pm in Ontario (ONT)

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@sarahbb1

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@eyupitsjohn

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Roaming Sonaa

@roamingsonaa

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Andy Travels

@andy_travels

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@travelwitbender

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@travel.with.wes

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Flights from San Francisco to Ontario (SFO to ONT)

Sarah Belizaire

John Ford

Roaming Sonaa

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Travel With Bender

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