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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 September , October 2026

08 Sep - 07 Oct $ 312.00
PHL
Philadelphia
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
PHL
Philadelphia
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30 Sep - 31 Oct $ 317.00
PHL
Philadelphia
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
PHL
Philadelphia
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17 Sep - 08 Oct $ 1,058.00
PHL
Philadelphia
JetBlue Airways
1 STOPS
SAN
San Diego
SAN
San Diego
JetBlue Airways
1 STOPS
PHL
Philadelphia
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Last minute flights from Philadelphia to San Diego

23 Sep - 30 Sep $ 317.00
PHL
Philadelphia
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
PHL
Philadelphia
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15 Sep - 30 Sep $ 444.00
PHL
Philadelphia
United Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
1 STOPS
PHL
Philadelphia
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15 Sep - 30 Sep $ 448.00
PHL
Philadelphia
United Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
1 STOPS
PHL
Philadelphia
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One-way flights to San Diego from Philadelphia

10:30 AM - 12:35 PM
United Airlines
1 Stops
7h 27m
PHL - SAN
$ 169
Kiwi
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10:30 AM - 12:35 PM
United Airlines
1 Stops
7h 27m
PHL - SAN
$ 169
Kiwi
Pick dates
10:30 AM - 12:35 PM
United Airlines
1 Stops
7h 27m
PHL - SAN
$ 169
Kiwi
Pick dates

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.