Cheap flights from Austin to San Antonio

Flights overview

Useful information for finding cheap flights from Austin to San Antonio and booking your next trip
Cheapest round-trip flights $347
Southwest 1 stop 4 hr Thu, Jun 4 — Sun, Jun 7
The cheapest round-trip flight from Austin to San Antonio is currently $347
Cheapest one-way flight $174
Southwest 1 stop 4 hr Wed, Jun 3
The cheapest one-way flight from Austin to San Antonio is currently $174
Last-minute weekend getaway $637
Southwest 1 stop 4 hr Sat, May 9 — Sun, May 10
The cheapest last-minute weekend getaway from Austin to San Antonio is currently $637
Cheapest business class flights $778
American 1 stop 9 hr Sat, Jun 6 — Mon, Jun 8
The cheapest business class round-trip flight from Austin to San Antonio is currently $778
Fastest flight 2 hr 45 min The fastest flight with stops from Austin to San Antonio takes 2 hr 45 min
Nonstop flights None There are no direct flights on this route.

When is the cheapest time to fly?

The cheapest month to fly from Austin to San Antonio is typically October. The most expensive month to fly is typically February.
October
Cheapest
Typical prices: $140–580
February
Most expensive
Typical prices: $375–640

Popular airlines from Austin to San Antonio

  • Southwest
    from $347
    Typical price: $320–650
    837 weekly connecting flights
    AUS - SAT Every day
  • American
    from $444
    Typical price: $340–710
    769 weekly connecting flights
    AUS - SAT Every day
  • United
    from $477
    Typical price: $345–720
    336 weekly connecting flights
    AUS - SAT Every day
  • Alaska
    from $759
    Typical price: $460–1,250
    14 weekly connecting flights
    AUS - SAT Every day
  • Frontier
    Typical price: $140–320
    12 weekly connecting flights
    AUS - SAT Every day
  • Spirit
    1 weekly connecting flight
    AUS - SAT Every Sun

Popular airports near Austin

  • Austin-Bergstrom International Airport (AUS)
    Austin United States 24 min 6 mi
  • Dallas Fort Worth International Airport (DFW)
    Dallas United States 3 hr 14 min 186 mi
  • George Bush Intercontinental Airport (IAH)
    Houston United States 2 hr 44 min 144 mi
  • San Antonio International Airport (SAT)
    San Antonio United States 1 hr 16 min 66 mi

Popular airports near San Antonio

  • San Antonio International Airport (SAT)
    San Antonio United States 19 min 7 mi
  • Austin-Bergstrom International Airport (AUS)
    Austin United States 1 hr 21 min 72 mi
  • George Bush Intercontinental Airport (IAH)
    Houston United States 3 hr 9 min 193 mi
  • William P. Hobby Airport (HOU)
    Houston United States 3 hr 14 min 193 mi

Frequently asked questions about flying from Austin to San Antonio

The cheapest flights from Austin to San Antonio are usually in October. Typical ticket prices in October range from $140 to $580.
The cheapest round-trip flight from Austin to San Antonio recently found on Google Flights was with Southwest from $347. The cheapest one-way flight was with Southwest from $174.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Austin to San Antonio is $347, flying from Jun 4 to Jun 7.
  • The cheapest American flight from Austin to San Antonio is $444, flying from May 28 to Jun 1.
  • The cheapest United flight from Austin to San Antonio is $477, flying from Jun 6 to Jun 8.
  • The cheapest Alaska flight from Austin to San Antonio is $759, flying from Jun 6 to Jun 7.
The cheapest round-trip flight from Austin to San Antonio starts at $347 from Thu, Jun 4 to Sun, Jun 7. The cheapest one-way flight starts at $174 and departs on Wed, Jun 3.
2 hr 45 min is the shortest flight time from Austin to San Antonio.
San Antonio has mild winters (Dec–Feb), and hot and humid summers (Jun–Sep). Summer, as well as warm spring (Mar–May) are the most popular times to visit. Remember the Alamo Weekend (Mar) sees reenactments of the battle. Fiesta San Antonio (Apr), a long-standing heritage festival, is a huge, 11-day party known for its flower parades, live music and food stands.
It's easy to use Google Flights to find the cheapest days to fly from Austin to San Antonio.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Austin to San Antonio really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Austin to San Antonio.

In terms of flights, Southwest is the most popular. Southwest offers 837 connecting flights per week. Southwest flies from Austin-Bergstrom International Airport (AUS) to San Antonio International Airport (SAT) .

Other popular airlines flying from Austin to San Antonio are:
  • American offers 769 connecting flights per week. American flies from Austin-Bergstrom International Airport (AUS) to San Antonio International Airport (SAT) .
  • United offers 336 connecting flights per week. United flies from Austin-Bergstrom International Airport (AUS) to San Antonio International Airport (SAT) .
  • Alaska offers 14 connecting flights per week. Alaska flies from Austin-Bergstrom International Airport (AUS) to San Antonio International Airport (SAT) .
  • Frontier offers 12 connecting flights per week. Frontier flies from Austin-Bergstrom International Airport (AUS) to San Antonio International Airport (SAT) .
  • Spirit offers 1 connecting flights per week. Spirit flies from Austin-Bergstrom International Airport (AUS) to San Antonio International Airport (SAT) .
The number of connecting flights refers to distinct flights with at least one stop between Austin and San Antonio.
The cheapest round-trip flight from Austin to San Antonio recently found on Google Flights was with Southwest from $347. The cheapest one-way flight was with Southwest from $174.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Austin to San Antonio is $347, flying from Jun 4 to Jun 7.
  • The cheapest American flight from Austin to San Antonio is $444, flying from May 28 to Jun 1.
  • The cheapest United flight from Austin to San Antonio is $477, flying from Jun 6 to Jun 8.
  • The cheapest Alaska flight from Austin to San Antonio is $759, flying from Jun 6 to Jun 7.
No airline flies direct from Austin to San Antonio.
  • There are 837 Southwest connecting flights from Austin to San Antonio per week. Flights are available every day.
  • There are 769 American connecting flights from Austin to San Antonio per week. Flights are available every day.
  • There are 336 United connecting flights from Austin to San Antonio per week. Flights are available every day.
  • There are 14 Alaska connecting flights from Austin to San Antonio per week. Flights are available every day.
  • There are 12 Frontier connecting flights from Austin to San Antonio per week. Flights are available every day.
  • There are 1 Spirit connecting flights from Austin to San Antonio per week. Flights are available on Sunday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Austin and San Antonio at price $637 is offered by Southwest from Sat, May 9 to Sun, May 10.
No airline flies direct from Austin to San Antonio.
  • There are 837 Southwest connecting flights from Austin to San Antonio per week. Flights are available every day.
  • There are 769 American connecting flights from Austin to San Antonio per week. Flights are available every day.
  • There are 336 United connecting flights from Austin to San Antonio per week. Flights are available every day.
  • There are 14 Alaska connecting flights from Austin to San Antonio per week. Flights are available every day.
  • There are 12 Frontier connecting flights from Austin to San Antonio per week. Flights are available every day.
  • There are 1 Spirit connecting flights from Austin to San Antonio per week. Flights are available on Sunday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are no direct flights from Austin to San Antonio.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Austin to San Antonio, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Austin and San Antonio start at $778 from Sat, Jun 6 to Mon, Jun 8 with American.
The cheapest economy class round-trip flights between Austin and San Antonio start at $347 from Thu, Jun 4 to Sun, Jun 7.
To book business class trips from Austin to San Antonio, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Austin and San Antonio starts at $637 from Sat, May 9 to Sun, May 10 with Southwest.
The cheapest last-minute deal between Austin and San Antonio at price $637 is offered by Southwest from Sat, May 9 to Sun, May 10.
To find last-minute flight deals from Austin to San Antonio, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

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