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

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Philadelphia (PHL) to San Francisco (SFO)

How to find the cheapest flight from Philadelphia (PHL) to San Francisco (SFO)
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How to find the cheapest flight from Philadelphia (PHL) to San Francisco (SFO)
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How to find the cheapest flight from Philadelphia (PHL) to San Francisco (SFO)
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Cheap flights from Philadelphia to San Francisco in September , October 2026

30 Sep - 21 Oct $ 443.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SFO
San Francisco
SFO
San Francisco
Frontier Airlines
1 STOPS
PHL
Philadelphia
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30 Sep - 07 Oct $ 556.00
PHL
Philadelphia
Alaska Airlines
1 STOPS
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
1 STOPS
PHL
Philadelphia
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28 Sep - 14 Oct $ 701.00
PHL
Philadelphia
United Airlines
DIRECT
SFO
San Francisco
SFO
San Francisco
United Airlines
DIRECT
PHL
Philadelphia
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Last minute flights from Philadelphia to San Francisco

30 Sep - 01 Oct $ 588.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SFO
San Francisco
SFO
San Francisco
Frontier Airlines
1 STOPS
PHL
Philadelphia
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30 Sep - 01 Oct $ 596.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SFO
San Francisco
SFO
San Francisco
Frontier Airlines
1 STOPS
PHL
Philadelphia
Pick dates
30 Sep - 30 Sep $ 1,291.00
PHL
Philadelphia
United Airlines
DIRECT
SFO
San Francisco
SFO
San Francisco
United Airlines
DIRECT
PHL
Philadelphia
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One-way flights to San Francisco from Philadelphia

7:00 AM - 10:47 AM
Alaska Airlines
1 Stops
9h 3m
PHL - SFO
$ 280
Kiwi
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12:40 PM - 5:45 PM
Frontier Airlines
1 Stops
10h 28m
PHL - SFO
$ 291
Kiwi
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6:34 PM - 6:34 PM
United Airlines
0 Stops
6h 3m
PHL - SFO
$ 551
Kiwi
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How to find the cheapest flight from Philadelphia (PHL) to San Francisco (SFO)

Related info for your journey
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How to find the cheapest flight from Philadelphia (PHL) to San Francisco (SFO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Philadelphia (PHL) to San Francisco (SFO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.