Lowest Prices
Uncover the best deals on Philadelphia to San Antonio flights by comparing fares from hundreds of airlines and agencies.
Useful information for finding best airline tickets from Philadelphia International to San Antonio International on your next trip.
Cheapest Round Trip Flight
$337
Southwest Airlines
• 1 stop
• 13h 20m
Dec 09 – Dec 13
The cheapest round trip flight from Philadelphia to San Antonio (PHL-SAT-PHL) is currently $337
Cheapest Direct Flight
$309
American Airlines
• nonstop
• 5h 58m
Jul 11
The cheapest nonstop flight from Philadelphia to San Antonio (PHL-SAT) is currently $309
Fastest Flight
5h 58m
The fastest nonstop flight from Philadelphia to San Antonio (PHL-SAT) takes 5h 58m
| Origin Airport | Philadelphia International , Philadelphia, US |
| Destination Airport | San Antonio International , San Antonio, US |
| Distance | 1496 miles |