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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 October , November 2026

24 Oct - 12 Nov $ 381.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
PHL
Philadelphia
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25 Oct - 10 Nov $ 697.00
PHL
Philadelphia
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
PHL
Philadelphia
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24 Oct - 10 Nov $ 726.00
PHL
Philadelphia
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
PHL
Philadelphia
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Last minute flights from Philadelphia to San Antonio

22 Oct - 01 Nov $ 480.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
2 STOPS
PHL
Philadelphia
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28 Oct - 31 Oct $ 785.00
PHL
Philadelphia
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
PHL
Philadelphia
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24 Oct - 31 Oct $ 805.00
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

5:50 AM - 4:19 PM
Frontier Airlines
1 Stops
14h 36m
PHL - SAT
$ 175
Kiwi
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1:05 PM - 4:30 PM
United Airlines
1 Stops
5h 35m
PHL - SAT
$ 229
Kiwi
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6:15 PM - 9:47 PM
United Airlines
1 Stops
5h 36m
PHL - SAT
$ 229
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.