Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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)
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.
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.

Cheap flights from Philadelphia to San Antonio in June , July 2026

30 Jun - 08 Jul $ 695.00
PHL
Philadelphia
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
PHL
Philadelphia
Pick dates
30 Jun - 04 Jul $ 1,069.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
PHL
Philadelphia
Pick dates
29 Jun - 04 Jul $ 1,069.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
PHL
Philadelphia
Pick dates

Last minute flights from Philadelphia to San Antonio

29 Jun - 30 Jun $ 731.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
PHL
Philadelphia
Pick dates
28 Jun - 30 Jun $ 997.00
PHL
Philadelphia
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
PHL
Philadelphia
Pick dates
28 Jun - 30 Jun $ 1,069.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
PHL
Philadelphia
Pick dates

One-way flights to San Antonio from Philadelphia

6:15 AM - 9:39 AM
United Airlines
1 Stops
5h 31m
PHL - SAT
$ 523
Kiwi
Pick dates
1:00 PM - 4:35 PM
United Airlines
1 Stops
5h 44m
PHL - SAT
$ 523
Kiwi
Pick dates
6:10 AM - 8:25 AM
United Airlines
1 Stops
5h 49m
PHL - SAT
$ 523
Kiwi
Pick dates

How to find the cheapest flight from Philadelphia (PHL) to San Antonio (SAT)

Related info for your journey
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.
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.