Cheap flights from San Antonio to Houston

Flights overview

Useful information for finding cheap flights from San Antonio to Houston and booking your next trip
Cheapest round-trip flights $329
Southwest Nonstop 1 hr Thu, May 21 — Sun, May 24
The cheapest round-trip flight from San Antonio to Houston is currently $329
Cheapest one-way flight $155
Southwest Nonstop 2 hr Wed, May 20
The cheapest one-way flight from San Antonio to Houston is currently $155
Last-minute weekend getaway $533
Southwest Nonstop 1 hr Sat, Apr 25 — Sun, Apr 26
The cheapest last-minute weekend getaway from San Antonio to Houston is currently $533
Cheapest business class flights $529
United Nonstop 2 hr Thu, May 21 — Sun, May 24
The cheapest business class round-trip flight from San Antonio to Houston is currently $529
Fastest flight 1 hr The fastest nonstop flight from San Antonio to Houston takes 1 hr
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from San Antonio to Houston is typically September. The most expensive month to fly is typically February.
September
Cheapest
Typical prices: $110–220
February
Most expensive
Typical prices: $280–400

Popular airlines from San Antonio to Houston

  • Southwest
    Nonstop
    from $329
    Typical price: $190–420
    23 weekly nonstop flights
    SAT - HOU Every day
    2247 weekly connecting flights
    SAT - HOU Every day
  • United
    Nonstop
    from $329
    Typical price: $195–450
    56 weekly nonstop flights
    SAT - IAH Every day
    189 weekly connecting flights
    SAT - IAH Every day
  • American
    from $349
    Typical price: $265–470
    893 weekly connecting flights
    SAT - HOU, IAH Every day
  • Frontier
    Typical price: $140–310
    18 weekly connecting flights
    SAT - IAH Every day
  • Spirit
    Typical price: $230–620
    18 weekly connecting flights
    SAT - IAH Every Mon, Wed, Thu, Fri, Sat, Sun
  • Alaska
    from $988
    Typical price: $630–1,400
    14 weekly connecting flights
    SAT - IAH Every day

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

Popular airports near Houston

  • George Bush Intercontinental Airport (IAH)
    Houston United States 22 min 16 mi
  • William P. Hobby Airport (HOU)
    Houston United States 22 min 9 mi
  • Dallas Fort Worth International Airport (DFW)
    Dallas United States 3 hr 53 min 237 mi
  • Austin-Bergstrom International Airport (AUS)
    Austin United States 2 hr 27 min 140 mi

Frequently asked questions about flying from San Antonio to Houston

The cheapest flights from San Antonio to Houston are usually in September. Typical ticket prices in September range from $110 to $220.
The cheapest round-trip flight from San Antonio to Houston recently found on Google Flights was with Southwest from $329. The cheapest one-way flight was with Southwest from $155.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from San Antonio to Houston is $329, flying from May 21 to May 24.
  • The cheapest United flight from San Antonio to Houston is $329, flying from May 21 to May 24.
  • The cheapest American flight from San Antonio to Houston is $349, flying from May 21 to May 24.
  • The cheapest Alaska flight from San Antonio to Houston is $988, flying from May 14 to May 17.
The cheapest round-trip flight from San Antonio to Houston starts at $329 from Thu, May 21 to Sun, May 24. The cheapest one-way flight starts at $155 and departs on Wed, May 20.
1 hr is the shortest flight time from San Antonio to Houston.
Most visitors explore Houston May–Aug when the days are hot and humid. Winters (Nov–Feb) tend to be mild. Local events include the Martin Luther King, Jr., Grande Parade (Jan) and the Houston Livestock Show & Rodeo (Mar).
It's easy to use Google Flights to find the cheapest days to fly from San Antonio to Houston.
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 San Antonio to Houston 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 San Antonio to Houston.

In terms of nonstop flights, United is the most popular. United offers 56 nonstop flights and 189 connecting flights per week. United flies from San Antonio International Airport (SAT) to George Bush Intercontinental Airport (IAH) .

In terms of flights, Southwest is the most popular. Southwest offers 23 nonstop flights and 2,247 connecting flights per week. Southwest flies from San Antonio International Airport (SAT) to William P. Hobby Airport (HOU) .

Other popular airlines flying from San Antonio to Houston are:
  • American offers 893 connecting flights per week. American flies from San Antonio International Airport (SAT) to William P. Hobby Airport (HOU) , George Bush Intercontinental Airport (IAH) .
  • Frontier offers 18 connecting flights per week. Frontier flies from San Antonio International Airport (SAT) to George Bush Intercontinental Airport (IAH) .
  • Spirit offers 18 connecting flights per week. Spirit flies from San Antonio International Airport (SAT) to George Bush Intercontinental Airport (IAH) .
  • Alaska offers 14 connecting flights per week. Alaska flies from San Antonio International Airport (SAT) to George Bush Intercontinental Airport (IAH) .
The number of connecting flights refers to distinct flights with at least one stop between San Antonio and Houston.
The cheapest round-trip flight from San Antonio to Houston recently found on Google Flights was with Southwest from $329. The cheapest one-way flight was with Southwest from $155.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from San Antonio to Houston is $329, flying from May 21 to May 24.
  • The cheapest United flight from San Antonio to Houston is $329, flying from May 21 to May 24.
  • The cheapest American flight from San Antonio to Houston is $349, flying from May 21 to May 24.
  • The cheapest Alaska flight from San Antonio to Houston is $988, flying from May 14 to May 17.
Southwest and United fly direct from San Antonio to Houston.
  • There are 23 Southwest direct flights from San Antonio to Houston per week. Flights are available every day.
  • There are 56 United direct flights from San Antonio to Houston per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between San Antonio and Houston at price $533 is offered by Southwest from Sat, Apr 25 to Sun, Apr 26.
Southwest and United fly direct from San Antonio to Houston.
  • There are 23 Southwest direct flights from San Antonio to Houston per week. Flights are available every day.
  • There are 56 United direct flights from San Antonio to Houston per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from San Antonio to Houston on a daily basis.
The cheapest direct (nonstop) round-trip flights between San Antonio and Houston start at $329 from Thu, May 21 to Sun, May 24 with Southwest.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from San Antonio to Houston, 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 San Antonio and Houston start at $529 from Thu, May 21 to Sun, May 24 with United.
The cheapest economy class round-trip flights between San Antonio and Houston start at $329 from Thu, May 21 to Sun, May 24.
To book business class trips from San Antonio to Houston, 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 San Antonio and Houston starts at $533 from Sat, Apr 25 to Sun, Apr 26 with Southwest.
The cheapest last-minute deal between San Antonio and Houston at price $533 is offered by Southwest from Sat, Apr 25 to Sun, Apr 26.
To find last-minute flight deals from San Antonio to Houston, 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.

Search more flights

Popular trips from San Antonio

  1. Seattle
    $255
    May 29 — May 31
    1 stop 8 hr 33 min Delta
  2. Paris
    $1,001
    Sep 19 — Sep 21
    2 stops 17 hr 10 min Air France, Delta, Scandinavian Airlines
  3. Denver
    $68
    May 9 — May 11
    Nonstop 2 hr 29 min Frontier
  4. New York
    $318
    Apr 23 — Apr 27
    1 stop 5 hr 34 min American

Find cheap flights from San Antonio to anywhere

Find cheap flights on popular routes