San Antonio

$60+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAT
Mar 10 — Mar 171
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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 Thursday 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 February 8, 2026.

This CheapOair deal was found by Cheapflights users on 2/6. 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.
Fri 2/206:15 am
SFO
-
SAT
1 stop11h 22m
Frontier
Mon 2/238:22 pm
SAT
-
SFO
1 stop27h 39m
Frontier
Deal found 2/6$236
This American Airlines deal was found by Cheapflights users on 2/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:15 am
SFO
-
SAT
1 stop8h 52m
American Airlines
Sat 11/148:54 am
SAT
-
SFO
1 stop9h 11m
American Airlines
Deal found 2/7$239
This Trip.com deal was found by Cheapflights users on 2/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:55 am
SFO
-
SAT
1 stop8h 20m
Frontier
Fri 2/208:22 pm
SAT
-
SFO
1 stop13h 41m
Frontier
Deal found 2/8$240
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Mon 3/99:04 pm
SFO
-
SAT
1 stop25h 13m
Frontier
Mon 3/1610:05 am
SAT
-
SFO
2 stops37h 33m
Frontier
Deal found 2/7$242
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 3/106:00 am
SFO
-
SAT
1 stop16h 17m
Frontier
Fri 3/1310:05 am
SAT
-
SFO
1 stop16h 23m
Frontier
Deal found 2/5$244
This Frontier deal was found by Cheapflights users on 2/4. 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.
Sun 4/199:33 pm
SFO
-
SAT
1 stop12h 07m
Frontier
Wed 4/293:14 pm
SAT
-
SFO
1 stop10h 11m
Frontier
Deal found 2/4$245
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Fri 4/247:00 am
SFO
-
SAT
1 stop8h 05m
Multiple Airlines
Wed 4/293:14 pm
SAT
-
SFO
1 stop10h 11m
Multiple Airlines
Deal found 2/4$246
This United Airlines deal was found by Cheapflights users on 2/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/211:10 pm
SFO
-
SAT
Nonstop3h 50m
United Airlines
Tue 4/76:12 am
SAT
-
SFO
Nonstop4h 15m
United Airlines
Deal found 2/6$249
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Mon 4/206:41 pm
SFO
-
SAT
2 stops17h 38m
Frontier
Wed 4/293:14 pm
SAT
-
SFO
1 stop10h 11m
Frontier
Deal found 2/4$250
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Sun 4/192:01 pm
SFO
-
SAT
2 stops22h 18m
Frontier
Sat 4/253:34 pm
SAT
-
SFO
1 stop9h 51m
Frontier
Deal found 2/4$251
This American Airlines deal was found by Cheapflights users on 2/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:26 am
SFO
-
SAT
1 stop6h 10m
American Airlines
Sat 8/83:20 pm
SAT
-
SFO
1 stop9h 19m
American Airlines
Deal found 2/8$254
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Mon 3/26:15 am
SFO
-
SAT
1 stop11h 22m
Frontier
Tue 3/35:36 pm
SAT
-
SFO
2 stops26h 44m
Frontier
Deal found 2/6$255

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 February 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$236
(CheapOair)

One-way from

$60
(Trip.com)

Popular in

December

Cheapest in

July

Average price

$387

Good round-trip deal

$250 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. 2% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip 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 February 8, 2026.
Use the filters below to find and compare flights from San Francisco to San Antonio that are best for you.

Fly from

San Francisco

Fly to

San Antonio

Route

Depart

Return

Price

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Thu 4/2

11:10 pm-5:00 am

Nonstop3h 50m

San Antonio

Tue 4/7

7:15 pm-11:59 pm

1 stop6h 44m

$259

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Fri 4/24

5:40 pm-12:30 am

1 stop4h 50m

San Antonio

Tue 4/28

6:20 am-10:40 am

1 stop6h 20m

$264

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Sun 4/19

10:35 pm-9:46 am

1 stop9h 11m

San Antonio

Mon 4/27

6:12 pm-11:54 pm

1 stop7h 42m

$269

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Wed 5/6

4:17 pm-11:32 pm

1 stop5h 15m

San Antonio

Sun 5/10

5:59 pm-11:57 pm

1 stop7h 58m

$269

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Thu 4/2

11:35 am-10:15 pm

1 stop8h 40m

San Antonio

Tue 4/7

4:55 pm-10:05 pm

2 stops7h 10m

$274

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Thu 4/23

11:10 pm-5:00 am

Nonstop3h 50m

San Antonio

Mon 4/27

7:15 pm-11:59 pm

1 stop6h 44m

$280

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Thu 2/26

6:00 am-2:44 pm

1 stop6h 44m

San Antonio

Tue 3/17

4:10 pm-8:00 pm

1 stop5h 50m

$299

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Wed 3/25

4:03 pm-11:29 pm

1 stop5h 26m

San Antonio

Wed 4/1

7:35 am-11:57 pm

2 stops18h 22m

$300

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Tue 3/10

6:00 am-12:17 am

1 stop16h 17m

$60

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Wed 3/25

7:32 pm-10:40 am

1 stop13h 08m

$85

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 18 results
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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust 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 January 30, 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 May is currently the most expensive (average of $184). 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 February 8, 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 52% 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 February 8, 2026.
Read through reviews of airlines operating flights from San Francisco to San Antonio, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

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.

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

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.

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

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.

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

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.

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

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.

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

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

    A quick flight from San Francisco to San Antonio can take about 3h 50m. United Airlines provides one of the quickest options available for as low as $259. 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 Delta and Southwest, with the lowest prices starting at $236 and $245, respectively. Users have found that Frontier is 60% 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 Alaska Airlines start at $118 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 (88%), United Airlines (87%) or Emirates (87%) 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 $270, our data indicates the cheapest price to be $166. The most popular route (San Francisco - San Antonio), is priced around $214.

  • 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 May is currently the most expensive (average of $184). 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 February 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$151Average$246FlexibilityNo cancel feeOn-time62%
DeltaCheapest$236Average$329FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$245Average$362FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$256Average$350FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$423FlexibilityNo cancel feeOn-time69%

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