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Cheap flights from Philadelphia (PHL) to San Antonio (SAT)

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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 Antonio (SAT)

How to find the cheapest flight from Philadelphia (PHL) to San Antonio (SAT)
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How to find the cheapest flight from Philadelphia (PHL) to San Antonio (SAT)
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How to find the cheapest flight from Philadelphia (PHL) to San Antonio (SAT)
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Cheap flights from Philadelphia to San Antonio in July , August 2026

29 Jul - 31 Aug $ 313.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
PHL
Philadelphia
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30 Jul - 01 Aug $ 1,005.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
PHL
Philadelphia
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30 Jul - 03 Aug $ 1,011.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
PHL
Philadelphia
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Last minute flights from Philadelphia to San Antonio

29 Jul - 31 Jul $ 391.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
PHL
Philadelphia
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24 Jul - 31 Jul $ 741.00
PHL
Philadelphia
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
PHL
Philadelphia
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30 Jul - 31 Jul $ 1,013.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
PHL
Philadelphia
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One-way flights to San Antonio from Philadelphia

7:20 AM - 7:00 AM
BREEZE
1 Stops
26h 55m
PHL - SAT
$ 175
Kiwi
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6:15 AM - 9:39 AM
United Airlines
1 Stops
5h 31m
PHL - SAT
$ 479
Kiwi
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6:10 AM - 8:25 AM
United Airlines
1 Stops
5h 49m
PHL - SAT
$ 479
Kiwi
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How to find the cheapest flight from Philadelphia (PHL) to San Antonio (SAT)

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