Route guide
Cheap Flights from Philadelphia to San Antonio: Book Airline Tickets
- Distance
- about 1,490 mi
- Typical flight time
- 3 h 15 min – 4 h 15 min
- Airports
- 1 × 1
- Time difference
- 1 h behind
This page covers the practical side of flying between Philadelphia and San Antonio: which airports to compare, how long the trip takes, and when it is busy. It works for either direction. For a price on your dates, ask a specialist.
Quick answer: Philadelphia to San Antonio is about 1,490 miles (2,400 km) and a typical flight takes 3 h 15 min to 4 h 15 min. San Antonio is 1 hour behind Philadelphia. Philadelphia has 1 airport to compare and San Antonio has 1.
Airport pairs to compare
Philadelphia's airport is a hub with strong connecting traffic, and it is linked to Center City by regional rail. San Antonio's airport is north of downtown and straightforward to use.
| Pair | Departure airport | Arrival airport |
|---|---|---|
| PHL to SAT | Philadelphia International | San Antonio International |
About the airports
- PHL · Philadelphia International
A hub airport with regional rail service to Center City. - SAT · San Antonio International
The main airport, north of downtown.
Airlines with a major base at either end
- At Philadelphia: American Airlines
Airlines with a base at one end often connect through their hub. A specialist can compare nonstop and connecting options on your dates.
When to go and what to expect
Philadelphia
Spring and fall are the most comfortable. Summers are hot and humid, and winter storms can disrupt flights.
San Antonio
Spring and fall are the most comfortable seasons. Summers are hot, and winters are mild.
How long is Philadelphia to San Antonio?
At about 1,490 miles, Philadelphia to San Antonio is a short-to-medium flight. Fares on routes this length are sensitive to the day of the week and the time of day, so check a few departure times before you settle.
Time zones and timing
San Antonio is 1 hour behind Philadelphia, so you land at a local time 1 hour earlier than departure time plus flight time would suggest. Plan your arrival day around local time at the destination.
Getting between the airport and town
Philadelphia: SEPTA Regional Rail runs from the airport to Center City.
San Antonio: Rental cars, taxis and ride-hail are the most common ways into the city. City buses also serve the airport.
Planning ground transport too? See our car rental guide.
Good to know
- Because many passengers connect here, keep extra time between flights, especially in winter.
- Thunderstorms in spring and summer can cause delays, so leave extra connection time in those seasons.
- Compare the total with bags included, not just the base fare. See baggage fees and taxes and fees.
Flying San Antonio to Philadelphia?
This route guide works in both directions. For other trips, see all flights from Philadelphia or all flights from San Antonio.
Frequently asked questions
How far is Philadelphia from San Antonio?
The straight-line distance between the main airports is about 1,490 miles (2,400 km). Routes can be longer in practice because of air traffic and weather.
How long is a flight from Philadelphia to San Antonio?
A typical scheduled flight takes roughly 3 h 15 min to 4 h 15 min in the air, depending on winds, the aircraft and the airports. Connecting itineraries take longer, and nonstop availability depends on the airline and dates.
Which airports can I use?
At Philadelphia: PHL (Philadelphia International). At San Antonio: SAT (San Antonio International). Ask for prices on more than one pairing.
Is there a time difference?
San Antonio is 1 hour behind Philadelphia.
When is the best time to fly from Philadelphia to San Antonio?
In Philadelphia: Spring and fall are the most comfortable. Summers are hot and humid, and winter storms can disrupt flights. In San Antonio: Spring and fall are the most comfortable seasons. Summers are hot, and winters are mild. Fares are usually highest in the busy periods described for each city, so flexible dates can help.
Which airlines should I compare for Philadelphia to San Antonio?
Airlines with a major base at either end include American Airlines. A specialist compares them with other carriers on your dates, since schedules and availability change.
Do you show fares on this page?
No. Fares change constantly, so we do not publish prices that might be out of date. A specialist checks live availability and confirms the full total, including taxes and bags, before you pay.
Route details updated October 18, 2026.