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

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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 August , September 2026

29 Aug - 11 Sep $ 325.00
PHL
Philadelphia
Frontier Airlines
2 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
PHL
Philadelphia
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25 Aug - 08 Sep $ 349.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
PHL
Philadelphia
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23 Aug - 05 Sep $ 396.00
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 Aug - 31 Aug $ 367.00
PHL
Philadelphia
Frontier Airlines
2 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
PHL
Philadelphia
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25 Aug - 31 Aug $ 394.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
PHL
Philadelphia
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17 Aug - 31 Aug $ 716.00
PHL
Philadelphia
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
PHL
Philadelphia
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One-way flights to San Antonio from Philadelphia

8:35 AM - 2:46 PM
BREEZE
2 Stops
9h 23m
PHL - SAT
$ 166
Kiwi
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8:00 AM - 4:36 PM
Frontier Airlines
1 Stops
14h 29m
PHL - SAT
$ 199
Kiwi
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6:16 AM - 9:30 AM
United Airlines
1 Stops
5h 20m
PHL - SAT
$ 346
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.