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Cheap flights from Philadelphia (PHL) to San Diego (SAN)

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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 Diego (SAN)

How to find the cheapest flight from Philadelphia (PHL) to San Diego (SAN)
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How to find the cheapest flight from Philadelphia (PHL) to San Diego (SAN)
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How to find the cheapest flight from Philadelphia (PHL) to San Diego (SAN)
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Cheap flights from Philadelphia to San Diego in February , March 2026

23 Feb - 09 Mar $ 303.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Frontier Airlines
1 STOPS
PHL
Philadelphia
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07 Feb - 03 Mar $ 931.00
PHL
Philadelphia
Alaska Airlines
2 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
PHL
Philadelphia
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07 Feb - 08 Mar $ 1,143.00
PHL
Philadelphia
Hawaiian Airlines
2 STOPS
SAN
San Diego
SAN
San Diego
Hawaiian Airlines
2 STOPS
PHL
Philadelphia
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Last minute flights from Philadelphia to San Diego

23 Feb - 28 Feb $ 286.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Frontier Airlines
2 STOPS
PHL
Philadelphia
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07 Feb - 01 Mar $ 1,208.00
PHL
Philadelphia
Alaska Airlines
2 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
PHL
Philadelphia
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06 Feb - 01 Mar $ 1,288.00
PHL
Philadelphia
Hawaiian Airlines
2 STOPS
SAN
San Diego
SAN
San Diego
Hawaiian Airlines
1 STOPS
PHL
Philadelphia
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One-way flights to San Diego from Philadelphia

5:47 PM - 10:29 PM
Frontier Airlines
1 Stops
9h 21m
PHL - SAN
$ 178
Kiwi
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12:40 PM - 12:35 PM
Frontier Airlines
3 Stops
28h 21m
PHL - SAN
$ 331
Kiwi
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8:09 AM - 11:24 AM
United Airlines
1 Stops
7h 50m
PHL - SAN
$ 455
Kiwi
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How to find the cheapest flight from Philadelphia (PHL) to San Diego (SAN)

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