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Flights from San Antonio to Philadelphia Starting at £52

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from San Antonio to Philadelphia

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from San Antonio to Philadelphia

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From £52
Spirit Airlines
From £62
United Airlines
From £115
Jetblue Airways
From £130
American Airlines
From £143
Sun Country Airlines
From £147
Alaska Airlines
From £154
Southwest Airlines
From £168
Delta Air Lines
From £186
ANA airlines

Find more flights and airlines

Alternative Routes from San Antonio to Philadelphia

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from San Antonio to Philadelphia.

  • Cheapest
    Frontier Airlines
    SAT
    19:57
    10h 55m
    1 transfer
    TTN
    07:52
    San Antonio International Airport - Trenton Mercer Airport
    Mon, May 6Frontier Airlines
    £52
  • Frontier Airlines
    SAT
    14:18
    17h 53m
    1 transfer
    PHL
    09:11
    San Antonio International Airport - Philadelphia International Airport
    Wed, May 8Frontier Airlines
    £53
  • Frontier Airlines
    SAT
    14:18
    17h 53m
    1 transfer
    PHL
    09:11
    San Antonio International Airport - Philadelphia International Airport
    Wed, May 8Frontier Airlines
    £53
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from San Antonio (SAT) to Philadelphia (PHL) the cheapest?

    Airlines adjust prices for flights from San Antonio to Philadelphia based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much are flights from San Antonio (SAT) to Philadelphia (PHL) cost?

    According to Trip.com's data, the lowest price is around £361.
  • What's the most popular airline for direct flights from San Antonio (SAT) to Philadelphia (PHL)?

    Southwest Airlines operates 1 direct flights from San Antonio (SAT) to Philadelphia (PHL).
  • How many airports in Philadelphia (PHL)?

Flight Information from San Antonio to Philadelphia

Cheapest direct flight price

£51

Cheapest return ticket price

£302

Cheapest month

December

Peak season for travel

September