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Find cheap one-way flights from San Diego to San Antonio starting at US$53.

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 Diego to San Antonio?

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 Diego to San Antonio

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

Frontier Airlines
From US$53
Spirit Airlines
From US$131
American Airlines
From US$156
United Airlines
From US$157
Alaska Airlines
From US$162
Southwest Airlines
From US$162
Delta Air Lines
From US$229
ANA airlines

Find more flights and airlines

Find cheap flights from San Diego to San Antonio by different airports

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

  • Cheapest
    Frontier Airlines
    SAN
    08:44
    24h 12m
    1 transfer
    SAT
    10:56
    San Diego International Airport - San Antonio International Airport
    Sat, Apr 20Frontier Airlines
    US$53
  • Frontier Airlines
    SAN
    08:44
    24h 12m
    1 transfer
    SAT
    10:56
    San Diego International Airport - San Antonio International Airport
    Sat, Apr 20Frontier Airlines
    US$53
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from San Diego (SAN) to San Antonio (SAT) the cheapest?

    Airlines adjust prices for flights from San Diego to San Antonio 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 Diego (SAN) to San Antonio (SAT) cost?

    According to Trip.com's data, the lowest price is around $461.
  • How long does it take to fly from San Diego (SAN) to San Antonio (SAT) and what is the distance?

    It takes around 3 hours 8 minutes to fly from San Diego (SAN) to San Antonio (SAT).
  • What is the transportation method from the main airport to downtown in San Antonio?

    • The distance from San Antonio International Airport to downtown is about 12km. It takes about 30 minutes by taxi.
  • What are the most popular airlines that fly from San Diego (SAN) to San Antonio (SAT)?

    Airlines with flights from San Diego (SAN) to San Antonio (SAT): Southwest Airlines.

San Diego to San Antonio Flight Information

Cheapest nonstop flight price

$52

Cheapest round-trip ticket price

$235

Off-season for travel

February

Peak season for travel

June