Cheap Flights from Philadelphia to San Francisco (PHL to SFO)

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US$155

7:19am - 2:57pm
Thu Jun 12th 2025

10h 38m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 Frontier Airlines · F9 1601 Depart at 7:19am from Philadelphia (PHL) Fly for 5h 22m Arrive at 9:41am in Las Vegas (LAS)

Layover in Las Vegas for 3h 19m

Thu Jun 12th 2025 Frontier Airlines · F9 4157 Depart at 1:00pm from Las Vegas (LAS) Fly for 1h 57m Arrive at 2:57pm in San Francisco (SFO)

Book Flight
US$158

10:29pm - 10:19am
Fri Jun 13th 2025

14h 50m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 Frontier Airlines · F9 4169 Depart at 10:29pm from Philadelphia (PHL) Fly for 2h 27m Arrive at 12:56am in Orlando (MCO)

Layover in Orlando for 6h 45m

Sat Jun 14th 2025 Frontier Airlines · F9 1645 Depart at 7:41am from Orlando (MCO) Fly for 5h 38m Arrive at 10:19am in San Francisco (SFO)

Book Flight
US$161

10:29pm - 10:19am
Thu Jun 12th 2025

14h 50m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 Frontier Airlines · F9 4169 Depart at 10:29pm from Philadelphia (PHL) Fly for 2h 27m Arrive at 12:56am in Orlando (MCO)

Layover in Orlando for 6h 45m

Fri Jun 13th 2025 Frontier Airlines · F9 1645 Depart at 7:41am from Orlando (MCO) Fly for 5h 38m Arrive at 10:19am in San Francisco (SFO)

Book Flight
US$161

6:15am - 12:24am
Thu Jun 12th 2025

21h 9m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 Frontier Airlines · F9 3339 Depart at 6:15am from Philadelphia (PHL) Fly for 4h 14m Arrive at 8:29am in Denver (DEN)

Layover in Denver for 14h 0m

Thu Jun 12th 2025 Frontier Airlines · F9 3439 Depart at 10:29pm from Denver (DEN) Fly for 2h 55m Arrive at 12:24am in San Francisco (SFO)

Book Flight
US$161

7:19am - 7:42am
Thu Jun 12th 2025

27h 23m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 Frontier Airlines · F9 1601 Depart at 7:19am from Philadelphia (PHL) Fly for 5h 22m Arrive at 9:41am in Las Vegas (LAS)

Layover in Las Vegas for 20h 19m

Fri Jun 13th 2025 Frontier Airlines · F9 3801 Depart at 6:00am from Las Vegas (LAS) Fly for 1h 42m Arrive at 7:42am in San Francisco (SFO)

Book Flight
US$161

5:20am - 10:19am
Fri Jun 13th 2025

31h 59m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 Frontier Airlines · F9 2415 Depart at 5:20am from Philadelphia (PHL) Fly for 2h 34m Arrive at 7:54am in Orlando (MCO)

Layover in Orlando for 23h 47m

Sat Jun 14th 2025 Frontier Airlines · F9 1645 Depart at 7:41am from Orlando (MCO) Fly for 5h 38m Arrive at 10:19am in San Francisco (SFO)

Book Flight
US$174

7:19am - 12:19pm
Thu Jun 12th 2025

8h 0m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 Frontier Airlines · F9 1601 Depart at 7:19am from Philadelphia (PHL) Fly for 5h 22m Arrive at 9:41am in Las Vegas (LAS)

Layover in Las Vegas for 0h 43m

Thu Jun 12th 2025 Frontier Airlines · F9 3019 Depart at 10:24am from Las Vegas (LAS) Fly for 1h 55m Arrive at 12:19pm in San Francisco (SFO)

Book Flight
US$174

1:41pm - 9:14pm
Wed Jun 11th 2025

10h 33m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Wed Jun 11th 2025 Frontier Airlines · F9 1003 Depart at 1:41pm from Philadelphia (PHL) Fly for 2h 18m Arrive at 3:59pm in Atlanta (ATL)

Layover in Atlanta for 2h 51m

Wed Jun 11th 2025 Frontier Airlines · F9 1949 Depart at 6:50pm from Atlanta (ATL) Fly for 5h 24m Arrive at 9:14pm in San Francisco (SFO)

Book Flight
US$180

1:02pm - 12:24am
Thu Jun 12th 2025

14h 22m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 Frontier Airlines · F9 3265 Depart at 1:02pm from Philadelphia (PHL) Fly for 4h 28m Arrive at 3:30pm in Denver (DEN)

Layover in Denver for 6h 59m

Thu Jun 12th 2025 Frontier Airlines · F9 3439 Depart at 10:29pm from Denver (DEN) Fly for 2h 55m Arrive at 12:24am in San Francisco (SFO)

Book Flight
US$180

6:50pm - 10:19am
Thu Jun 12th 2025

18h 29m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 Frontier Airlines · F9 3855 Depart at 6:50pm from Philadelphia (PHL) Fly for 2h 50m Arrive at 9:40pm in Orlando (MCO)

Layover in Orlando for 10h 1m

Fri Jun 13th 2025 Frontier Airlines · F9 1645 Depart at 7:41am from Orlando (MCO) Fly for 5h 38m Arrive at 10:19am in San Francisco (SFO)

Book Flight
US$180

3:52pm - 10:19am
Wed Jun 11th 2025

21h 27m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Wed Jun 11th 2025 Frontier Airlines · F9 2505 Depart at 3:52pm from Philadelphia (PHL) Fly for 2h 31m Arrive at 6:23pm in Orlando (MCO)

Layover in Orlando for 13h 18m

Thu Jun 12th 2025 Frontier Airlines · F9 1645 Depart at 7:41am from Orlando (MCO) Fly for 5h 38m Arrive at 10:19am in San Francisco (SFO)

Book Flight
US$200

12:15pm - 9:26pm
Thu Jun 12th 2025

12h 11m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 Frontier Airlines · F9 1003 Depart at 12:15pm from Philadelphia (PHL) Fly for 2h 15m Arrive at 2:30pm in Atlanta (ATL)

Layover in Atlanta for 4h 35m

Thu Jun 12th 2025 Frontier Airlines · F9 1949 Depart at 7:05pm from Atlanta (ATL) Fly for 5h 21m Arrive at 9:26pm in San Francisco (SFO)

Book Flight
US$200

6:15am - 6:09pm
Fri Jun 13th 2025

14h 54m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 Frontier Airlines · F9 3339 Depart at 6:15am from Philadelphia (PHL) Fly for 4h 14m Arrive at 8:29am in Denver (DEN)

Layover in Denver for 7h 48m

Fri Jun 13th 2025 Frontier Airlines · F9 1229 Depart at 4:17pm from Denver (DEN) Fly for 2h 52m Arrive at 6:09pm in San Francisco (SFO)

Book Flight
US$200

4:50pm - 10:19am
Thu Jun 12th 2025

20h 29m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 Frontier Airlines · F9 2505 Depart at 4:50pm from Philadelphia (PHL) Fly for 2h 38m Arrive at 7:28pm in Orlando (MCO)

Layover in Orlando for 12h 13m

Fri Jun 13th 2025 Frontier Airlines · F9 1645 Depart at 7:41am from Orlando (MCO) Fly for 5h 38m Arrive at 10:19am in San Francisco (SFO)

Book Flight
US$200

6:15am - 12:24am
Fri Jun 13th 2025

21h 9m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 Frontier Airlines · F9 3339 Depart at 6:15am from Philadelphia (PHL) Fly for 4h 14m Arrive at 8:29am in Denver (DEN)

Layover in Denver for 14h 0m

Fri Jun 13th 2025 Frontier Airlines · F9 3439 Depart at 10:29pm from Denver (DEN) Fly for 2h 55m Arrive at 12:24am in San Francisco (SFO)

Book Flight
US$223

7:19am - 12:19pm
Fri Jun 13th 2025

8h 0m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 Frontier Airlines · F9 1601 Depart at 7:19am from Philadelphia (PHL) Fly for 5h 22m Arrive at 9:41am in Las Vegas (LAS)

Layover in Las Vegas for 0h 43m

Fri Jun 13th 2025 Frontier Airlines · F9 3019 Depart at 10:24am from Las Vegas (LAS) Fly for 1h 55m Arrive at 12:19pm in San Francisco (SFO)

Book Flight
US$223

1:02pm - 6:09pm
Fri Jun 13th 2025

8h 7m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 Frontier Airlines · F9 3265 Depart at 1:02pm from Philadelphia (PHL) Fly for 4h 28m Arrive at 3:30pm in Denver (DEN)

Layover in Denver for 0h 47m

Fri Jun 13th 2025 Frontier Airlines · F9 1229 Depart at 4:17pm from Denver (DEN) Fly for 2h 52m Arrive at 6:09pm in San Francisco (SFO)

Book Flight
US$223

7:00am - 1:43pm
Wed Jun 11th 2025

9h 43m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Wed Jun 11th 2025 Hawaiian Airlines · HA 6353 Depart at 7:00am from Philadelphia (PHL) Fly for 5h 56m Arrive at 9:56am in Seattle (SEA)

Layover in Seattle for 1h 33m

Wed Jun 11th 2025 Hawaiian Airlines · HA 6900 Depart at 11:29am from Seattle (SEA) Fly for 2h 14m Arrive at 1:43pm in San Francisco (SFO)

Book Flight
US$229

1:02pm - 12:24am
Fri Jun 13th 2025

14h 22m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 Frontier Airlines · F9 3265 Depart at 1:02pm from Philadelphia (PHL) Fly for 4h 28m Arrive at 3:30pm in Denver (DEN)

Layover in Denver for 6h 59m

Fri Jun 13th 2025 Frontier Airlines · F9 3439 Depart at 10:29pm from Denver (DEN) Fly for 2h 55m Arrive at 12:24am in San Francisco (SFO)

Book Flight
US$229

7:19am - 9:21pm
Fri Jun 13th 2025

17h 2m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 Frontier Airlines · F9 1601 Depart at 7:19am from Philadelphia (PHL) Fly for 5h 22m Arrive at 9:41am in Las Vegas (LAS)

Layover in Las Vegas for 9h 52m

Fri Jun 13th 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)

Book Flight
US$229

7:19am - 9:21pm
Thu Jun 12th 2025

17h 2m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 Frontier Airlines · F9 1601 Depart at 7:19am from Philadelphia (PHL) Fly for 5h 22m Arrive at 9:41am in Las Vegas (LAS)

Layover in Las Vegas for 9h 52m

Thu Jun 12th 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)

Book Flight
US$229

4:32pm - 10:19am
Fri Jun 13th 2025

20h 47m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 Frontier Airlines · F9 2505 Depart at 4:32pm from Philadelphia (PHL) Fly for 2h 38m Arrive at 7:10pm in Orlando (MCO)

Layover in Orlando for 12h 31m

Sat Jun 14th 2025 Frontier Airlines · F9 1645 Depart at 7:41am from Orlando (MCO) Fly for 5h 38m Arrive at 10:19am in San Francisco (SFO)

Book Flight
US$229

9:03am - 10:19am
Thu Jun 12th 2025

28h 16m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 Frontier Airlines · F9 1807 Depart at 9:03am from Philadelphia (PHL) Fly for 2h 40m Arrive at 11:43am in Orlando (MCO)

Layover in Orlando for 19h 58m

Fri Jun 13th 2025 Frontier Airlines · F9 1645 Depart at 7:41am from Orlando (MCO) Fly for 5h 38m Arrive at 10:19am in San Francisco (SFO)

Book Flight
US$233

7:00am - 1:43pm
Wed Jun 11th 2025

9h 43m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Wed Jun 11th 2025 Alaska Airlines · AS 446 Depart at 7:00am from Philadelphia (PHL) Fly for 5h 56m Arrive at 9:56am in Seattle (SEA)

Layover in Seattle for 1h 33m

Wed Jun 11th 2025 Alaska Airlines · AS 1284 Depart at 11:29am from Seattle (SEA) Fly for 2h 14m Arrive at 1:43pm in San Francisco (SFO)

Book Flight
US$262

1:02pm - 6:09pm
Thu Jun 12th 2025

8h 7m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 Frontier Airlines · F9 3265 Depart at 1:02pm from Philadelphia (PHL) Fly for 4h 28m Arrive at 3:30pm in Denver (DEN)

Layover in Denver for 0h 47m

Thu Jun 12th 2025 Frontier Airlines · F9 1229 Depart at 4:17pm from Denver (DEN) Fly for 2h 52m Arrive at 6:09pm in San Francisco (SFO)

Book Flight
US$268

12:15pm - 9:26pm
Fri Jun 13th 2025

12h 11m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 Frontier Airlines · F9 1003 Depart at 12:15pm from Philadelphia (PHL) Fly for 2h 15m Arrive at 2:30pm in Atlanta (ATL)

Layover in Atlanta for 4h 35m

Fri Jun 13th 2025 Frontier Airlines · F9 1949 Depart at 7:05pm from Atlanta (ATL) Fly for 5h 21m Arrive at 9:26pm in San Francisco (SFO)

Book Flight
US$268

6:15am - 6:09pm
Thu Jun 12th 2025

14h 54m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 Frontier Airlines · F9 3339 Depart at 6:15am from Philadelphia (PHL) Fly for 4h 14m Arrive at 8:29am in Denver (DEN)

Layover in Denver for 7h 48m

Thu Jun 12th 2025 Frontier Airlines · F9 1229 Depart at 4:17pm from Denver (DEN) Fly for 2h 52m Arrive at 6:09pm in San Francisco (SFO)

Book Flight
US$268

6:39pm - 10:19am
Fri Jun 13th 2025

18h 40m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 Frontier Airlines · F9 2507 Depart at 6:39pm from Philadelphia (PHL) Fly for 2h 50m Arrive at 9:29pm in Orlando (MCO)

Layover in Orlando for 10h 12m

Sat Jun 14th 2025 Frontier Airlines · F9 1645 Depart at 7:41am from Orlando (MCO) Fly for 5h 38m Arrive at 10:19am in San Francisco (SFO)

Book Flight
US$298

6:45am - 1:45pm
Thu Jun 12th 2025

10h 0m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 Hawaiian Airlines · HA 6428 Depart at 6:45am from Philadelphia (PHL) Fly for 5h 57m Arrive at 9:42am in Seattle (SEA)

Layover in Seattle for 1h 49m

Thu Jun 12th 2025 Hawaiian Airlines · HA 6900 Depart at 11:31am from Seattle (SEA) Fly for 2h 14m Arrive at 1:45pm in San Francisco (SFO)

Book Flight
US$298

7:00am - 3:51pm
Wed Jun 11th 2025

11h 51m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Wed Jun 11th 2025 Hawaiian Airlines · HA 6353 Depart at 7:00am from Philadelphia (PHL) Fly for 5h 56m Arrive at 9:56am in Seattle (SEA)

Layover in Seattle for 3h 44m

Wed Jun 11th 2025 Hawaiian Airlines · HA 6901 Depart at 1:40pm from Seattle (SEA) Fly for 2h 11m Arrive at 3:51pm in San Francisco (SFO)

Book Flight
US$298

6:45am - 3:48pm
Thu Jun 12th 2025

12h 3m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 Hawaiian Airlines · HA 6428 Depart at 6:45am from Philadelphia (PHL) Fly for 5h 57m Arrive at 9:42am in Seattle (SEA)

Layover in Seattle for 3h 53m

Thu Jun 12th 2025 Hawaiian Airlines · HA 6901 Depart at 1:35pm from Seattle (SEA) Fly for 2h 13m Arrive at 3:48pm in San Francisco (SFO)

Book Flight
US$308

6:45am - 1:45pm
Thu Jun 12th 2025

10h 0m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 Alaska Airlines · AS 446 Depart at 6:45am from Philadelphia (PHL) Fly for 5h 57m Arrive at 9:42am in Seattle (SEA)

Layover in Seattle for 1h 49m

Thu Jun 12th 2025 Alaska Airlines · AS 1112 Depart at 11:31am from Seattle (SEA) Fly for 2h 14m Arrive at 1:45pm in San Francisco (SFO)

Book Flight
US$308

7:00am - 3:51pm
Wed Jun 11th 2025

11h 51m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Wed Jun 11th 2025 Alaska Airlines · AS 446 Depart at 7:00am from Philadelphia (PHL) Fly for 5h 56m Arrive at 9:56am in Seattle (SEA)

Layover in Seattle for 3h 44m

Wed Jun 11th 2025 Alaska Airlines · AS 1304 Depart at 1:40pm from Seattle (SEA) Fly for 2h 11m Arrive at 3:51pm in San Francisco (SFO)

Book Flight
US$308

6:45am - 3:48pm
Thu Jun 12th 2025

12h 3m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 Alaska Airlines · AS 446 Depart at 6:45am from Philadelphia (PHL) Fly for 5h 57m Arrive at 9:42am in Seattle (SEA)

Layover in Seattle for 3h 53m

Thu Jun 12th 2025 Alaska Airlines · AS 1132 Depart at 1:35pm from Seattle (SEA) Fly for 2h 13m Arrive at 3:48pm in San Francisco (SFO)

Book Flight
US$352

6:45am - 1:45pm
Fri Jun 13th 2025

10h 0m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 Hawaiian Airlines · HA 6353 Depart at 6:45am from Philadelphia (PHL) Fly for 5h 57m Arrive at 9:42am in Seattle (SEA)

Layover in Seattle for 1h 49m

Fri Jun 13th 2025 Hawaiian Airlines · HA 6900 Depart at 11:31am from Seattle (SEA) Fly for 2h 14m Arrive at 1:45pm in San Francisco (SFO)

Book Flight
US$362

6:45am - 1:45pm
Fri Jun 13th 2025

10h 0m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 Alaska Airlines · AS 446 Depart at 6:45am from Philadelphia (PHL) Fly for 5h 57m Arrive at 9:42am in Seattle (SEA)

Layover in Seattle for 1h 49m

Fri Jun 13th 2025 Alaska Airlines · AS 1112 Depart at 11:31am from Seattle (SEA) Fly for 2h 14m Arrive at 1:45pm in San Francisco (SFO)

Book Flight
US$428

6:39pm - 11:48pm
Wed Jun 11th 2025

8h 9m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Wed Jun 11th 2025 Frontier Airlines · F9 3265 Depart at 6:39pm from Philadelphia (PHL) Fly for 4h 21m Arrive at 9:00pm in Denver (DEN)

Layover in Denver for 0h 50m

Wed Jun 11th 2025 Frontier Airlines · F9 3439 Depart at 9:50pm from Denver (DEN) Fly for 2h 58m Arrive at 11:48pm in San Francisco (SFO)

Book Flight
US$495

6:30am - 9:30am
Fri Jun 13th 2025

6h 0m
Philadelphia (PHL) → San Francisco (SFO)

Direct

Fri Jun 13th 2025 United Airlines · UA 433 Depart at 6:30am from Philadelphia (PHL) Fly for 6h 0m Arrive at 9:30am in San Francisco (SFO)

Book Flight
US$495

6:30am - 9:30am
Thu Jun 12th 2025

6h 0m
Philadelphia (PHL) → San Francisco (SFO)

Direct

Thu Jun 12th 2025 United Airlines · UA 433 Depart at 6:30am from Philadelphia (PHL) Fly for 6h 0m Arrive at 9:30am in San Francisco (SFO)

Book Flight
US$495

6:05pm - 9:05pm
Fri Jun 13th 2025

6h 0m
Philadelphia (PHL) → San Francisco (SFO)

Direct

Fri Jun 13th 2025 United Airlines · UA 2182 Depart at 6:05pm from Philadelphia (PHL) Fly for 6h 0m Arrive at 9:05pm in San Francisco (SFO)

Book Flight
US$495

8:31am - 5:23pm
Fri Jun 13th 2025

11h 52m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 United Airlines · UA 622 Depart at 8:31am from Philadelphia (PHL) Fly for 2h 24m Arrive at 9:55am in Chicago (ORD)

Layover in Chicago for 4h 38m

Fri Jun 13th 2025 United Airlines · UA 1577 Depart at 2:33pm from Chicago (ORD) Fly for 4h 50m Arrive at 5:23pm in San Francisco (SFO)

Book Flight
US$495

6:30am - 5:23pm
Fri Jun 13th 2025

13h 53m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 United Airlines · UA 1971 Depart at 6:30am from Philadelphia (PHL) Fly for 2h 24m Arrive at 7:54am in Chicago (ORD)

Layover in Chicago for 6h 39m

Fri Jun 13th 2025 United Airlines · UA 1577 Depart at 2:33pm from Chicago (ORD) Fly for 4h 50m Arrive at 5:23pm in San Francisco (SFO)

Book Flight
US$499

12:25pm - 9:15pm
Fri Jun 13th 2025

11h 50m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 United Airlines · UA 2226 Depart at 12:25pm from Philadelphia (PHL) Fly for 2h 24m Arrive at 1:49pm in Chicago (ORD)

Layover in Chicago for 4h 37m

Fri Jun 13th 2025 United Airlines · UA 2179 Depart at 6:26pm from Chicago (ORD) Fly for 4h 49m Arrive at 9:15pm in San Francisco (SFO)

Book Flight
US$499

6:35pm - 9:27am
Fri Jun 13th 2025

17h 52m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 United Airlines · UA 2378 Depart at 6:35pm from Philadelphia (PHL) Fly for 2h 25m Arrive at 8:00pm in Chicago (ORD)

Layover in Chicago for 10h 48m

Sat Jun 14th 2025 United Airlines · UA 336 Depart at 6:48am from Chicago (ORD) Fly for 4h 39m Arrive at 9:27am in San Francisco (SFO)

Book Flight
US$502

8:00am - 1:25pm
Fri Jun 13th 2025

8h 25m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 United Airlines · UA 2383 Depart at 8:00am from Philadelphia (PHL) Fly for 4h 3m Arrive at 10:03am in Denver (DEN)

Layover in Denver for 1h 38m

Fri Jun 13th 2025 United Airlines · UA 1561 Depart at 11:41am from Denver (DEN) Fly for 2h 44m Arrive at 1:25pm in San Francisco (SFO)

Book Flight
US$503

10:10am - 3:10pm
Fri Jun 13th 2025

8h 0m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 United Airlines · UA 1252 Depart at 10:10am from Philadelphia (PHL) Fly for 4h 7m Arrive at 12:17pm in Denver (DEN)

Layover in Denver for 1h 9m

Fri Jun 13th 2025 United Airlines · UA 1812 Depart at 1:26pm from Denver (DEN) Fly for 2h 44m Arrive at 3:10pm in San Francisco (SFO)

Book Flight
US$503

3:45pm - 8:47pm
Fri Jun 13th 2025

8h 2m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 United Airlines · UA 1236 Depart at 3:45pm from Philadelphia (PHL) Fly for 4h 18m Arrive at 6:03pm in Denver (DEN)

Layover in Denver for 0h 57m

Fri Jun 13th 2025 United Airlines · UA 2027 Depart at 7:00pm from Denver (DEN) Fly for 2h 47m Arrive at 8:47pm in San Francisco (SFO)

Book Flight
US$503

6:06pm - 11:34pm
Fri Jun 13th 2025

8h 28m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 United Airlines · UA 6356 Depart at 6:06pm from Philadelphia (PHL) Fly for 3h 40m Arrive at 8:46pm in Houston (IAH)

Layover in Houston for 0h 44m

Fri Jun 13th 2025 United Airlines · UA 725 Depart at 9:30pm from Houston (IAH) Fly for 4h 4m Arrive at 11:34pm in San Francisco (SFO)

Book Flight
US$503

2:50pm - 8:30pm
Fri Jun 13th 2025

8h 40m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 United Airlines · UA 4576 Depart at 2:50pm from Philadelphia (PHL) Fly for 1h 10m Arrive at 4:00pm in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 53m

Fri Jun 13th 2025 United Airlines · UA 1757 Depart at 5:53pm from Washington, D.C. (IAD) Fly for 5h 37m Arrive at 8:30pm in San Francisco (SFO)

Book Flight
US$555

6:05pm - 9:05pm
Thu Jun 12th 2025

6h 0m
Philadelphia (PHL) → San Francisco (SFO)

Direct

Thu Jun 12th 2025 United Airlines · UA 2182 Depart at 6:05pm from Philadelphia (PHL) Fly for 6h 0m Arrive at 9:05pm in San Francisco (SFO)

Book Flight
US$604

6:30am - 9:30am
Wed Jun 11th 2025

6h 0m
Philadelphia (PHL) → San Francisco (SFO)

Direct

Wed Jun 11th 2025 United Airlines · UA 433 Depart at 6:30am from Philadelphia (PHL) Fly for 6h 0m Arrive at 9:30am in San Francisco (SFO)

Book Flight
US$604

6:05pm - 9:05pm
Wed Jun 11th 2025

6h 0m
Philadelphia (PHL) → San Francisco (SFO)

Direct

Wed Jun 11th 2025 United Airlines · UA 2182 Depart at 6:05pm from Philadelphia (PHL) Fly for 6h 0m Arrive at 9:05pm in San Francisco (SFO)

Book Flight
US$612

10:35am - 3:23pm
Thu Jun 12th 2025

7h 48m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 United Airlines · UA 6079 Depart at 10:35am from Philadelphia (PHL) Fly for 1h 5m Arrive at 11:40am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 55m

Thu Jun 12th 2025 United Airlines · UA 1786 Depart at 12:35pm from Washington, D.C. (IAD) Fly for 5h 48m Arrive at 3:23pm in San Francisco (SFO)

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US$612

8:31am - 1:22pm
Thu Jun 12th 2025

7h 51m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 United Airlines · UA 622 Depart at 8:31am from Philadelphia (PHL) Fly for 2h 24m Arrive at 9:55am in Chicago (ORD)

Layover in Chicago for 0h 40m

Thu Jun 12th 2025 United Airlines · UA 343 Depart at 10:35am from Chicago (ORD) Fly for 4h 47m Arrive at 1:22pm in San Francisco (SFO)

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US$612

12:25pm - 5:23pm
Thu Jun 12th 2025

7h 58m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 United Airlines · UA 2226 Depart at 12:25pm from Philadelphia (PHL) Fly for 2h 24m Arrive at 1:49pm in Chicago (ORD)

Layover in Chicago for 0h 44m

Thu Jun 12th 2025 United Airlines · UA 1577 Depart at 2:33pm from Chicago (ORD) Fly for 4h 50m Arrive at 5:23pm in San Francisco (SFO)

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US$612

7:59pm - 12:58am
Thu Jun 12th 2025

7h 59m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 United Airlines · UA 6021 Depart at 7:59pm from Philadelphia (PHL) Fly for 1h 10m Arrive at 9:09pm in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 0m

Thu Jun 12th 2025 United Airlines · UA 367 Depart at 10:09pm from Washington, D.C. (IAD) Fly for 5h 49m Arrive at 12:58am in San Francisco (SFO)

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US$614

10:35am - 3:23pm
Wed Jun 11th 2025

7h 48m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Wed Jun 11th 2025 United Airlines · UA 6079 Depart at 10:35am from Philadelphia (PHL) Fly for 1h 5m Arrive at 11:40am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 55m

Wed Jun 11th 2025 United Airlines · UA 1786 Depart at 12:35pm from Washington, D.C. (IAD) Fly for 5h 48m Arrive at 3:23pm in San Francisco (SFO)

Book Flight
US$614

8:31am - 1:22pm
Wed Jun 11th 2025

7h 51m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Wed Jun 11th 2025 United Airlines · UA 622 Depart at 8:31am from Philadelphia (PHL) Fly for 2h 24m Arrive at 9:55am in Chicago (ORD)

Layover in Chicago for 0h 40m

Wed Jun 11th 2025 United Airlines · UA 343 Depart at 10:35am from Chicago (ORD) Fly for 4h 47m Arrive at 1:22pm in San Francisco (SFO)

Book Flight
US$614

12:25pm - 5:23pm
Wed Jun 11th 2025

7h 58m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Wed Jun 11th 2025 United Airlines · UA 2226 Depart at 12:25pm from Philadelphia (PHL) Fly for 2h 24m Arrive at 1:49pm in Chicago (ORD)

Layover in Chicago for 0h 44m

Wed Jun 11th 2025 United Airlines · UA 1577 Depart at 2:33pm from Chicago (ORD) Fly for 4h 50m Arrive at 5:23pm in San Francisco (SFO)

Book Flight
US$614

7:59pm - 12:58am
Wed Jun 11th 2025

7h 59m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Wed Jun 11th 2025 United Airlines · UA 6021 Depart at 7:59pm from Philadelphia (PHL) Fly for 1h 10m Arrive at 9:09pm in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 0m

Wed Jun 11th 2025 United Airlines · UA 367 Depart at 10:09pm from Washington, D.C. (IAD) Fly for 5h 49m Arrive at 12:58am in San Francisco (SFO)

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US$614

10:10am - 3:10pm
Wed Jun 11th 2025

8h 0m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Wed Jun 11th 2025 United Airlines · UA 1252 Depart at 10:10am from Philadelphia (PHL) Fly for 4h 7m Arrive at 12:17pm in Denver (DEN)

Layover in Denver for 1h 9m

Wed Jun 11th 2025 United Airlines · UA 1812 Depart at 1:26pm from Denver (DEN) Fly for 2h 44m Arrive at 3:10pm in San Francisco (SFO)

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US$614

12:58pm - 7:18pm
Wed Jun 11th 2025

9h 20m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Wed Jun 11th 2025 United Airlines · UA 2197 Depart at 12:58pm from Philadelphia (PHL) Fly for 3h 30m Arrive at 3:28pm in Houston (IAH)

Layover in Houston for 1h 42m

Wed Jun 11th 2025 United Airlines · UA 737 Depart at 5:10pm from Houston (IAH) Fly for 4h 8m Arrive at 7:18pm in San Francisco (SFO)

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US$624

10:35am - 3:23pm
Fri Jun 13th 2025

7h 48m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 United Airlines · UA 6079 Depart at 10:35am from Philadelphia (PHL) Fly for 1h 5m Arrive at 11:40am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 55m

Fri Jun 13th 2025 United Airlines · UA 1786 Depart at 12:35pm from Washington, D.C. (IAD) Fly for 5h 48m Arrive at 3:23pm in San Francisco (SFO)

Book Flight
US$624

8:31am - 1:22pm
Fri Jun 13th 2025

7h 51m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 United Airlines · UA 622 Depart at 8:31am from Philadelphia (PHL) Fly for 2h 24m Arrive at 9:55am in Chicago (ORD)

Layover in Chicago for 0h 40m

Fri Jun 13th 2025 United Airlines · UA 343 Depart at 10:35am from Chicago (ORD) Fly for 4h 47m Arrive at 1:22pm in San Francisco (SFO)

Book Flight
US$689

12:25pm - 5:23pm
Fri Jun 13th 2025

7h 58m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Fri Jun 13th 2025 United Airlines · UA 2226 Depart at 12:25pm from Philadelphia (PHL) Fly for 2h 24m Arrive at 1:49pm in Chicago (ORD)

Layover in Chicago for 0h 44m

Fri Jun 13th 2025 United Airlines · UA 1577 Depart at 2:33pm from Chicago (ORD) Fly for 4h 50m Arrive at 5:23pm in San Francisco (SFO)

Book Flight
US$756

6:06pm - 11:34pm
Wed Jun 11th 2025

8h 28m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Wed Jun 11th 2025 United Airlines · UA 6356 Depart at 6:06pm from Philadelphia (PHL) Fly for 3h 40m Arrive at 8:46pm in Houston (IAH)

Layover in Houston for 0h 44m

Wed Jun 11th 2025 United Airlines · UA 725 Depart at 9:30pm from Houston (IAH) Fly for 4h 4m Arrive at 11:34pm in San Francisco (SFO)

Book Flight
US$796

10:10am - 3:10pm
Thu Jun 12th 2025

8h 0m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Thu Jun 12th 2025 United Airlines · UA 1252 Depart at 10:10am from Philadelphia (PHL) Fly for 4h 7m Arrive at 12:17pm in Denver (DEN)

Layover in Denver for 1h 9m

Thu Jun 12th 2025 United Airlines · UA 1812 Depart at 1:26pm from Denver (DEN) Fly for 2h 44m Arrive at 3:10pm in San Francisco (SFO)

Book Flight
US$961

2:50pm - 8:30pm
Wed Jun 11th 2025

8h 40m
Philadelphia (PHL) → San Francisco (SFO)

1 Stop

Wed Jun 11th 2025 United Airlines · UA 4576 Depart at 2:50pm from Philadelphia (PHL) Fly for 1h 10m Arrive at 4:00pm in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 53m

Wed Jun 11th 2025 United Airlines · UA 1757 Depart at 5:53pm from Washington, D.C. (IAD) Fly for 5h 37m Arrive at 8:30pm in San Francisco (SFO)

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Sarah Belizaire

@sarahbb1

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John Ford

@eyupitsjohn

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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. It's designed for remote workers, backpackers, and people living abroad.

Read Sonaa's 7 Amazing Skyscanner Alternatives for Booking Travel

ANDY TRAVELS

@andy_travels

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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! 💪

Read Josh's Ultimate Guide To Find Cheap One Way Flights

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.

Read Wesley's My Best Cheap Flight Hacks (Why Pay More?)

Cheap Flights from Philadelphia to San Francisco (PHL to SFO)

Sarah Belizaire

John Ford

Roaming Sonaa

ANDY TRAVELS

Travel With Bender

Wesley Mergard

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