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Find cheap one-way flights from San Antonio to Philadelphia starting at US$65.

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

  • One way
  • Round-trip

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

When is the cheapest time to book flights 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.
Cheapest airlines flights 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 US$65
Spirit Airlines
From US$78
United Airlines
From US$146
Jetblue Airways
From US$164
American Airlines
From US$180
Delta Air Lines
From US$183
Sun Country Airlines
From US$186
Alaska Airlines
From US$194
Southwest Airlines
From US$213
ANA airlines

Find more flights and airlines

Find cheap flights from San Antonio to Philadelphia by different airports

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
    US$65
  • Frontier Airlines
    SAT
    14:18
    17h 53m
    1 transfer
    PHL
    09:11
    San Antonio International Airport - Philadelphia International Airport
    Wed, May 8Frontier Airlines
    US$66
  • Frontier Airlines
    SAT
    14:18
    17h 53m
    1 transfer
    PHL
    09:11
    San Antonio International Airport - Philadelphia International Airport
    Wed, May 8Frontier Airlines
    US$66
    Find More Flights

Frequently Asked Questions

  • 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 departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from San Antonio (SAT) to Philadelphia (PHL) cost?

    According to Trip.com's data, the lowest price is around $457.

San Antonio to Philadelphia Flight Information

Cheapest nonstop flight price

$65

Cheapest round-trip ticket price

$382

Off-season for travel

December

Peak season for travel

September