Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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)
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.
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.

Cheap flights from Philadelphia to San Francisco in April , May 2025

30 Apr - 24 May $ 192.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SFO
San Francisco
SFO
San Francisco
Frontier Airlines
1 STOPS
PHL
Philadelphia
Pick dates
26 Apr - 07 May $ 192.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SFO
San Francisco
SFO
San Francisco
Frontier Airlines
1 STOPS
PHL
Philadelphia
Pick dates
18 Apr - 14 May $ 906.00
PHL
Philadelphia
Alaska Airlines
1 STOPS
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
1 STOPS
PHL
Philadelphia
Pick dates

Last minute flights from Philadelphia to San Francisco

26 Apr - 30 Apr $ 198.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SFO
San Francisco
SFO
San Francisco
Frontier Airlines
1 STOPS
PHL
Philadelphia
Pick dates
30 Apr - 01 May $ 213.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SFO
San Francisco
SFO
San Francisco
Frontier Airlines
1 STOPS
PHL
Philadelphia
Pick dates
23 Apr - 30 Apr $ 564.00
PHL
Philadelphia
United Airlines
DIRECT
SFO
San Francisco
SFO
San Francisco
United Airlines
DIRECT
PHL
Philadelphia
Pick dates

One-way flights to San Francisco from Philadelphia

3:13 PM - 7:48 PM
Frontier Airlines
1 Stops
10h 18m
PHL - SFO
$ 96
Kiwi
Pick dates
5:05 AM - 10:05 AM
Frontier Airlines
1 Stops
11h 14m
PHL - SFO
$ 96
Kiwi
Pick dates
4:35 PM - 4:35 PM
United Airlines
0 Stops
6h 18m
PHL - SFO
$ 476
Kiwi
Pick dates

How to find the cheapest flight from Philadelphia (PHL) to San Francisco (SFO)

Related info for your journey
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.
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.