$58+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAT
Feb 22 — Mar 11
1 adult, Economy
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Find cheap flights from San Francisco to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 Saturday or Wednesday and return on a Thursday
Cheap flight deals from San Francisco to San Antonio
Cheapest flights from San Francisco to San AntonioExplore 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 January 23, 2026.
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 January 23, 2026.
This Frontier deal was found by Cheapflights users on 1/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:15 am
SFO
- SAT
1 stop11h 18m
Frontier
Mon 2/98:24 pm
SAT
- SFO
1 stop6h 04m
Frontier
Deal found 1/22![Frontier logo]()
$241
This Booking.com deal was found by Cheapflights users on 1/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:00 pm
SFO
- SAT
1 stop25h 19m
Frontier
Sat 4/116:45 am
SAT
- SFO
1 stop19h 38m
Frontier
Deal found 1/22![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Tue 3/37:15 pm
SFO
- SAT
2 stops20h 00m
Frontier
Fri 3/610:05 am
SAT
- SFO
1 stop12h 04m
Frontier
Deal found 1/21![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/198:05 am
SFO
- SAT
1 stop22h 40m
Frontier
Thu 2/268:20 pm
SAT
- SFO
2 stops23h 38m
Frontier
Deal found 1/22![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Tue 3/317:32 pm
SFO
- SAT
2 stops14h 55m
Multiple Airlines
Tue 4/77:45 am
SAT
- SFO
1 stop14h 25m
Multiple Airlines
Deal found 1/20![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 Kiwi.com 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
Sun 2/225:04 pm
SAT
- SFO
1 stop30h 35m
Frontier
Deal found 1/22![Frontier logo]()
$247
This Frontier deal was found by Cheapflights users on 1/21. 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.
Sat 2/2811:16 pm
SFO
- SAT
1 stop15h 03m
Frontier
Sun 3/17:07 pm
SAT
- SFO
1 stop7h 21m
Frontier
Deal found 1/21![Frontier logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Sun 3/89:04 pm
SFO
- SAT
1 stop10h 02m
Frontier
Thu 3/124:54 pm
SAT
- SFO
2 stops17h 04m
Frontier
Deal found 1/21![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Sat 4/49:45 pm
SFO
- SAT
1 stop16h 00m
Frontier
Wed 4/87:45 am
SAT
- SFO
1 stop18h 38m
Frontier
Deal found 1/20![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:05 am
SFO
- SAT
2 stops9h 20m
Frontier
Tue 3/106:45 am
SAT
- SFO
1 stop19h 43m
Frontier
Deal found 1/22![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 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
Mon 3/162:40 pm
SAT
- SFO
2 stops35h 48m
Frontier
Deal found 1/22![Frontier logo]()
$254
This Expedia deal was found by Cheapflights users on 1/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1210:48 am
SFO
- SAT
1 stop7h 57m
Multiple Airlines
Sun 2/156:06 pm
SAT
- SFO
1 stop7h 53m
Multiple Airlines
Deal found 1/21![Multiple Airlines logo]()
$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 January 23, 2026.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $241 (Frontier) |
One-way from | $58 (Trip.com) |
Popular in | December |
Cheapest in | July |
Average price | $378 |
Good round-trip deal | $483 or less |
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 January 23, 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
Sun 2/1
9:32 pm-12:25 pm
1 stop12h 53m
San Antonio
Mon 2/2
8:24 pm-11:41 pm
1 stop29h 17m
$256
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Fri 2/20
4:02 pm-11:43 pm
1 stop5h 41m
San Antonio
Mon 2/23
4:42 pm-8:27 pm
1 stop5h 45m
$279
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Sat 2/21
5:55 am-1:38 pm
1 stop5h 43m
San Antonio
Tue 2/24
7:00 am-12:44 pm
1 stop7h 44m
$279
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Thu 4/2
6:00 am-2:38 pm
1 stop6h 38m
San Antonio
Tue 4/7
7:35 am-6:44 pm
2 stops13h 09m
$281
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Tue 3/3
12:30 pm-9:55 pm
1 stop7h 25m
San Antonio
Fri 3/6
9:25 pm-12:50 am
1 stop5h 25m
$299
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Wed 4/15
5:40 am-2:25 pm
1 stop6h 45m
San Antonio
Thu 4/16
12:55 pm-8:00 pm
1 stop9h 05m
$299
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Mon 4/20
5:40 pm-12:30 am
1 stop4h 50m
San Antonio
Wed 4/22
5:55 pm-10:45 pm
2 stops6h 50m
$300
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Wed 2/25
11:30 am-9:40 pm
2 stops8h 10m
San Antonio
Mon 3/2
4:05 pm-10:05 pm
2 stops8h 00m
$310
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Mon 4/20
5:40 pm-12:30 am
1 stop4h 50m
San Antonio
Thu 4/23
8:30 pm-12:10 am
1 stop5h 40m
$325
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Wed 4/15
8:46 am-2:32 pm
Nonstop3h 46m
San Antonio
Thu 4/16
7:15 pm-11:59 pm
1 stop6h 44m
$327
Showing 1-10 of 21 results
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 January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on San Francisco-San Antonio flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on San Francisco-San Antonio flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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
Prices
More
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 16, 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 March is currently the most expensive (average of $187). 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 January 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 at noon tend to be the most expensive. A flight in the evening could potentially save you up to 56% on airfare.
What’s the top layover airport for flights from San Francisco to San Antonio?
Share of 1-stop round-trip flights from San Francisco to San Antonio chosen by Cheapflights users in the past 12 months, using the same layover each way.
Phoenix (PHX) – chosen by Cheapflights users on 33% of 1-stop itineraries from San Francisco to San Antonio on Cheapflights.
What’s the cheapest layover airport for flights from San Francisco to San Antonio?
Average round-trip fare for 1-stop flights from San Francisco to San Antonio, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $177.
What’s the fastest layover option from San Francisco to San Antonio?
Shortest average travel time for 1-stop one-way flights from San Francisco to San Antonio, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 4h 47m.
Which airport typically offers the quickest layover for flights from San Francisco to San Antonio?
Average layover duration for 1-stop one-way flights from San Francisco to San Antonio, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 0h 38m.
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 January 23, 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.
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
Browse thousands of different options on Cheapflights for your next trip
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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 January 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$245 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$236 | Average$332 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$241 | Average$367 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$256 | Average$356 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$259 | Average$450 | FlexibilityNo cancel fee | On-time69% |