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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 December 2025 , January 2026

31 Dec - 17 Jan $ 285.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
PHL
Philadelphia
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17 Dec - 11 Jan $ 754.00
PHL
Philadelphia
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
PHL
Philadelphia
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17 Dec - 11 Jan $ 795.00
PHL
Philadelphia
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
PHL
Philadelphia
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Last minute flights from Philadelphia to San Antonio

25 Dec - 31 Dec $ 441.00
PHL
Philadelphia
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
PHL
Philadelphia
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25 Dec - 31 Dec $ 441.00
PHL
Philadelphia
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
PHL
Philadelphia
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25 Dec - 31 Dec $ 1,341.00
PHL
Philadelphia
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
PHL
Philadelphia
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One-way flights to San Antonio from Philadelphia

5:50 PM - 9:41 PM
United Airlines
1 Stops
5h 58m
PHL - SAT
$ 220
Kiwi
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5:00 PM - 7:41 PM
United Airlines
1 Stops
6h 54m
PHL - SAT
$ 223
Kiwi
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8:15 AM - 12:00 PM
United Airlines
1 Stops
5h 57m
PHL - SAT
$ 363
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.