San Antonio

$86+ Cheap flights from San Francisco to San Antonio (SFO - SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAT
Apr 22 — Apr 291
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Find cheap flights from San Francisco to San Antonio with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Francisco to San Antonio are usually found in July or October, booked 43 days in advance, depart on a Wednesday or Saturday and return on a Thursday

Cheap flight deals from San Francisco to San Antonio

Cheapest flights from San Francisco to San Antonio
Explore the most affordable flight options available from San Francisco to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.

This Frontier deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 am
SFO
-
SAT
1 stop7h 09m
Frontier
Wed 4/154:49 pm
SAT
-
SFO
1 stop8h 36m
Frontier
Deal found 3/19$250
This Frontier deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1010:50 pm
SFO
-
SAT
1 stop9h 53m
Frontier
Wed 4/154:49 pm
SAT
-
SFO
1 stop8h 36m
Frontier
Deal found 3/21$251
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
SFO
-
SAT
1 stop7h 09m
Frontier
Sat 4/254:04 pm
SAT
-
SFO
2 stops20h 46m
Frontier
Deal found 3/19$252
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
SFO
-
SAT
1 stop6h 53m
Frontier
Wed 4/294:49 pm
SAT
-
SFO
2 stops17h 34m
Frontier
Deal found 3/20$253
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
SFO
-
SAT
1 stop6h 53m
Frontier
Mon 4/278:39 pm
SAT
-
SFO
2 stops27h 00m
Frontier
Deal found 3/21$255
This Booking.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:00 am
SFO
-
SAT
1 stop6h 15m
Frontier
Mon 5/46:31 pm
SAT
-
SFO
1 stop18h 10m
Frontier
Deal found 3/19$256
This Booking.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:00 am
SFO
-
SAT
1 stop6h 15m
Frontier
Mon 4/206:31 pm
SAT
-
SFO
1 stop26h 14m
Frontier
Deal found 3/19$258
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/282:50 pm
SFO
-
SAT
1 stop5h 15m
Southwest
Fri 5/16:45 pm
SAT
-
SFO
1 stop6h 20m
Southwest
Deal found 3/22$259
This Travelocity deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/29:00 pm
SFO
-
SAT
1 stop25h 19m
Frontier
Mon 4/66:45 am
SAT
-
SFO
1 stop19h 43m
Frontier
Deal found 3/20$260
This CheapOair deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
SFO
-
SAT
1 stop16h 19m
Frontier
Thu 4/163:00 pm
SAT
-
SFO
1 stop11h 27m
Frontier
Deal found 3/19$261
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
SFO
-
SAT
1 stop10h 59m
Frontier
Sun 5/107:54 pm
SAT
-
SFO
2 stops27h 25m
Frontier
Deal found 3/19$264

Find flight deals from San Francisco to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$250
(Frontier)

One-way from

$86
(Mytrip)

Popular in

December

Cheapest in

July

Average price

$463

Good round-trip deal

$426 or less

Good one-way deal

$200 or less
Provider with most accurate pricing for San Francisco-San Antonio flight deals.
Provider most trusted by Cheapflights users for San Francisco-San Antonio flights.
From San Francisco to San Antonio
One-way flight from San Francisco to San Antonio
Highest demand for flights based on searches. 14% potential increase in price ($62 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from San Francisco to San Antonio.
Price to beat on a one-way flight from San Francisco to San Antonio.

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 23, 2026.
Use the filters below to find and compare flights from San Francisco to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Wed 5/27

6:37 pm-12:29 am

Nonstop3h 52m

San Antonio

Tue 6/2

5:57 pm-12:15 am

1 stop8h 18m

$319

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Thu 4/16

9:10 am-5:43 pm

1 stop6h 33m

San Antonio

Thu 4/23

6:12 am-8:27 am

Nonstop4h 15m

$319

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Fri 4/17

10:55 pm-10:20 am

1 stop9h 25m

San Antonio

Sun 4/19

5:25 am-9:15 am

1 stop5h 50m

$329

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Wed 4/29

7:20 am-5:00 pm

2 stops7h 40m

San Antonio

Mon 5/4

4:20 pm-10:10 pm

2 stops7h 50m

$339

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Sat 4/11

1:50 pm-9:00 pm

1 stop5h 10m

San Antonio

Sat 4/18

5:40 am-5:25 pm

2 stops13h 45m

$340

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Sat 4/11

6:00 am-2:38 pm

1 stop6h 38m

San Antonio

Mon 4/13

6:12 pm-11:54 pm

1 stop7h 42m

$354

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Thu 4/30

4:17 pm-11:36 pm

1 stop5h 19m

San Antonio

Sun 5/3

7:38 am-11:59 am

1 stop6h 21m

$374
Quickest round-trip

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Sat 4/4

11:10 pm-5:00 am

Nonstop3h 50m

San Antonio

Tue 4/7

2:14 pm-6:58 pm

1 stop6h 44m

$379

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Thu 4/23

3:00 pm-12:05 am

2 stops7h 05m

San Antonio

Mon 4/27

4:20 pm-10:10 pm

2 stops7h 50m

$393

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Fri 4/24

11:59 pm-10:50 am

1 stop8h 51m

San Antonio

Sun 4/26

6:12 am-8:27 am

Nonstop4h 15m

$396

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from San Francisco to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to San Antonio in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to San Antonio

How far ahead should I book a flight from San Francisco to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to San Antonio. Price data was last updated on March 13, 2026.

The best time to book flights from San Francisco to San Antonio is 43 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Francisco to San Antonio?

Currently, September is the cheapest month in which you can book a flight from San Francisco to San Antonio (average of $108). Flying from San Francisco to San Antonio in December is currently the most expensive (average of $177). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to SAT?

Find hourly flight availability from San Francisco to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 23, 2026.

One of the essential ways to save on airfare from San Francisco to San Antonio is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 48% on airfare.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated March 23, 2026.
Read through reviews of airlines operating flights from San Francisco to San Antonio, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from San Francisco to San Antonio?

    If you wish to fly to San Antonio from San Francisco, then you need to book flights from San Francisco to San Antonio. There are 3 flights from San Francisco (SFO) to San Antonio (SAT) per day to choose from. Flights to San Antonio from San Francisco are available from 5 different airlines, which means you should have some options if you want to compare airfare deals. 3h 36m is how long a nonstop flight from San Francisco to San Antonio typically takes.

  • How long is the flight from San Francisco to San Antonio?

    A quick flight from San Francisco to San Antonio can take about 3h 52m. United Airlines provides one of the quickest options available for as low as $319. The distance from San Francisco to San Antonio is about 1479 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from San Francisco to San Antonio round-trip?

    Flying on Frontier is currently your cheapest option to San Antonio, with prices starting at $151. Additional round-trip tickets that might be worth considering are offered by Southwest and Delta, with the lowest prices starting at $226 and $227, respectively. Users have found that Frontier is 59% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Francisco to San Antonio one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $74. Delta flights start at $118 while deals on American Airlines start at $129 one-way.

  • What are the most reliable airlines from San Francisco to San Antonio?

    No one likes to see their flight delayed. When booking a flight from San Francisco to San Antonio consider choosing SkyWest Airlines (73%), United Airlines (73%) or Emirates (70%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from San Francisco to San Antonio?

    Looking for the cheapest flight from San Francisco to San Antonio? While on average our users pay $414, our data indicates the cheapest price to be $188. The most popular route (San Francisco - San Antonio), is priced around $295.

  • Can I find deals for flights from San Francisco to San Antonio that include hotel bookings?

    Yes. In addition to deals on San Francisco to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to San Antonio.

  • Can I find deals for business class flights from San Francisco to San Antonio?

    Yes. Cheapflights offers flight deals from San Francisco to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to San Antonio?

    Currently, September is the cheapest month in which you can book a flight from San Francisco to San Antonio (average of $108). Flying from San Francisco to San Antonio in December is currently the most expensive (average of $177). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Alternative routes for San Francisco to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from San Francisco to San Antonio

Discover the top 5 airlines that operate flights from San Francisco to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$151Average$246FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$226Average$356FlexibilityNo cancel feeOn-time63%
DeltaCheapest$227Average$326FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$250Average$411FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$256Average$361FlexibilityNo cancel feeOn-time71%

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