Find cheap flights from Philadelphia to San Antonio starting at $40.
Book one-way or return flights from Philadelphia to San Antonio from as little as $40. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- PHL15:5522h 46m1 stopSAT13:41Tue, May 7|Philadelphia - San Antonio|Spirit Airlines$40$10662% OFF62% OFF$106$40
- PHL05:257h 25m1 stopSAT11:50Wed, May 29|Philadelphia - San Antonio|Frontier Airlines$41$10661% OFF61% OFF$106$41
- PHL22:4614h 4m1 stopSAT11:50Tue, May 28|Philadelphia - San Antonio|Frontier Airlines$46$10656% OFF56% OFF$106$46
- TTN17:0721h 34m1 stopSAT13:41Tue, May 7|Philadelphia - San Antonio|Frontier Airlines$50$50
- PHL17:127h 25m1 stopSAT23:37Wed, Jun 5|Philadelphia - San Antonio|Spirit Airlines$56$56
- PHL17:3020h 48m1 stopSAT13:18Tue, May 14|Philadelphia - San Antonio|Frontier Airlines$63$63
- PHL16:179h 4m1 stopSAT00:21Wed, May 22|Philadelphia - San Antonio|Spirit Airlines$68$68
- PHL20:2712h 56m1 stopSAT08:23Tue, May 21|Philadelphia - San Antonio|Frontier Airlines$71$71
- PHL08:4111h 38m1 stopSAT19:19Wed, Jun 5|Philadelphia - San Antonio|Frontier Airlines$72$72
- PHL18:067h 36m1 stopSAT00:42Mon, May 6|Philadelphia - San Antonio|Spirit Airlines$75$75
- PHL13:003h 5mDirectSAT14:00Tue, May 7|Philadelphia - San Antonio|Spirit AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Find more flights and airlines
Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Philadelphia to San Antonio.
- CheapestPHL15:5522h 46m1 transferSAT13:41Philadelphia International Airport - San Antonio International AirportTue, May 7Spirit Airlines$40
- TTN17:0721h 34m1 transferSAT13:41Trenton Mercer Airport - San Antonio International AirportTue, May 7Frontier Airlines$50
- TTN17:0721h 34m1 transferSAT13:41Trenton Mercer Airport - San Antonio International AirportTue, May 7Frontier Airlines$50Find More Flights
Frequently Asked Questions
How to find a cheap flight from Philadelphia to San Antonio
Cheapest nonstop flight price | $40 |
---|---|
Cheapest round-trip ticket price | $344 |
Off-season for travel | May |
Peak season for travel | October |
Flight distance | 2,405.1km |
Popular airline | Frontier Airlines |
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