Cheap flights from San Francisco to San Antonio

Flights overview

Useful information for finding cheap flights from San Francisco to San Antonio and booking your next trip
Cheapest round-trip flights $210
Frontier 1 stop 29 hr Fri, May 29 — Thu, Jun 4
The cheapest round-trip flight from San Francisco to San Antonio is currently $210
Cheapest one-way flight $105
Frontier 1 stop 9 hr Wed, May 27
The cheapest one-way flight from San Francisco to San Antonio is currently $105
Cheapest nonstop flights $309
United Nonstop 4 hr Sat, Aug 1 — Sat, Aug 8
The cheapest nonstop round-trip flight from San Francisco to San Antonio is currently $309
Last-minute weekend getaway $261
Frontier 1 stop 11 hr Sat, May 9 — Mon, May 11
The cheapest last-minute weekend getaway from San Francisco to San Antonio is currently $261
Cheapest business class flights $458
Frontier 1 stop 11 hr Mon, Jun 1 — Tue, Jun 9
The cheapest business class round-trip flight from San Francisco to San Antonio is currently $458
Fastest flight 3 hr 38 min The fastest nonstop flight from San Francisco to San Antonio takes 3 hr 38 min
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 Francisco to San Antonio is typically October. The most expensive month to fly is typically March.
October
Cheapest
Typical prices: $145–265
March
Most expensive
Typical prices: $235–395

Popular airlines from San Francisco to San Antonio

  • United
    Nonstop
    from $309
    Typical price: $255–450
    12 weekly nonstop flights
    SFO - SAT Every day
    402 weekly connecting flights
    SFO - SAT Every day
  • American
    from $329
    Typical price: $265–475
    471 weekly connecting flights
    SFO - SAT Every day
  • Southwest
    from $329
    Typical price: $265–450
    365 weekly connecting flights
    SFO - SAT Every day
  • Delta
    from $329
    Typical price: $265–580
    212 weekly connecting flights
    SFO - SAT Every day
  • Frontier
    from $210
    Typical price: $200–440
    24 weekly connecting flights
    SFO - SAT Every day
  • Alaska
    from $469
    Typical price: $375–890
    21 weekly connecting flights
    SFO - SAT Every day

Popular airports near San Francisco

  • San Francisco International Airport (SFO)
    San Francisco United States 19 min 11 mi
  • Oakland San Francisco Bay Airport (OAK)
    Oakland United States 27 min 11 mi
  • Sacramento International Airport (SMF)
    Sacramento United States 1 hr 34 min 78 mi
  • San Jose Mineta International Airport (SJC)
    San Jose United States 51 min 39 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 San Francisco to San Antonio

The cheapest flights from San Francisco to San Antonio are usually in October. Typical ticket prices in October range from $145 to $265.
The cheapest round-trip flight from San Francisco to San Antonio recently found on Google Flights was with Frontier from $210. The cheapest one-way flight was with Frontier from $105.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest United flight from San Francisco to San Antonio is $309, flying from Jul 18 to Jul 26.
  • The cheapest American flight from San Francisco to San Antonio is $329, flying from May 28 to Jun 3.
  • The cheapest Southwest flight from San Francisco to San Antonio is $329, flying from Jul 9 to Jul 15.
  • The cheapest Delta flight from San Francisco to San Antonio is $329, flying from May 28 to Jun 3.
  • The cheapest Frontier flight from San Francisco to San Antonio is $210, flying from May 29 to Jun 4.
  • The cheapest Alaska flight from San Francisco to San Antonio is $469, flying from Jul 30 to Aug 5.
The cheapest round-trip flight from San Francisco to San Antonio starts at $210 from Fri, May 29 to Thu, Jun 4. The cheapest one-way flight starts at $105 and departs on Wed, May 27.
3 hr 38 min is the shortest flight time from San Francisco 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 San Francisco 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 San Francisco 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 San Francisco to San Antonio.

In terms of nonstop flights, United is the most popular. United offers 12 nonstop flights and 402 connecting flights per week. United flies from San Francisco International Airport (SFO) to San Antonio International Airport (SAT) .

In terms of flights, American is the most popular. American offers 471 connecting flights per week. American flies from San Francisco International Airport (SFO) to San Antonio International Airport (SAT) .

Other popular airlines flying from San Francisco to San Antonio are:
  • Southwest offers 365 connecting flights per week. Southwest flies from San Francisco International Airport (SFO) to San Antonio International Airport (SAT) .
  • Delta offers 212 connecting flights per week. Delta flies from San Francisco International Airport (SFO) to San Antonio International Airport (SAT) .
  • Frontier offers 24 connecting flights per week. Frontier flies from San Francisco International Airport (SFO) to San Antonio International Airport (SAT) .
  • Alaska offers 21 connecting flights per week. Alaska flies from San Francisco International Airport (SFO) to San Antonio International Airport (SAT) .
The number of connecting flights refers to distinct flights with at least one stop between San Francisco and San Antonio.
The cheapest round-trip flight from San Francisco to San Antonio recently found on Google Flights was with Frontier from $210. The cheapest one-way flight was with Frontier from $105.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest United flight from San Francisco to San Antonio is $309, flying from Jul 18 to Jul 26.
  • The cheapest American flight from San Francisco to San Antonio is $329, flying from May 28 to Jun 3.
  • The cheapest Southwest flight from San Francisco to San Antonio is $329, flying from Jul 9 to Jul 15.
  • The cheapest Delta flight from San Francisco to San Antonio is $329, flying from May 28 to Jun 3.
  • The cheapest Frontier flight from San Francisco to San Antonio is $210, flying from May 29 to Jun 4.
  • The cheapest Alaska flight from San Francisco to San Antonio is $469, flying from Jul 30 to Aug 5.
United flies direct from San Francisco to San Antonio.
  • There are 12 United direct flights from San Francisco to San Antonio 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 Francisco and San Antonio at price $261 is offered by Frontier from Sat, May 9 to Mon, May 11.
United flies direct from San Francisco to San Antonio.
  • There are 12 United direct flights from San Francisco to San Antonio 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 Francisco to San Antonio on a daily basis.
The cheapest direct (nonstop) round-trip flights between San Francisco and San Antonio start at $309 from Sat, Aug 1 to Sat, Aug 8 with United.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from San Francisco 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 San Francisco and San Antonio start at $458 from Mon, Jun 1 to Tue, Jun 9 with Frontier.
The cheapest economy class round-trip flights between San Francisco and San Antonio start at $210 from Fri, May 29 to Thu, Jun 4.
To book business class trips from San Francisco 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 San Francisco and San Antonio starts at $261 from Sat, May 9 to Mon, May 11 with Frontier.
The cheapest last-minute deal between San Francisco and San Antonio at price $261 is offered by Frontier from Sat, May 9 to Mon, May 11.
To find last-minute flight deals from San Francisco 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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