$120+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAT
Jun 19 — Jun 261
Round-trip
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 October or July, 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
Best
Last-minute
One-way
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 May 20, 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 May 20, 2026.
This Frontier deal was found by Cheapflights users on 5/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:00 am
SFO
- SAT
1 stop10h 56m
Frontier
Wed 6/247:51 pm
SAT
- SFO
1 stop6h 36m
Frontier
Deal found 5/20![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 5/19. 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.
Sat 7/46:00 am
SFO
- SAT
1 stop10h 56m
Frontier
Sun 7/127:51 pm
SAT
- SFO
1 stop6h 27m
Frontier
Deal found 5/19![Frontier logo]()
$271
This CheapOair deal was found by Cheapflights users on 5/18. 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 8/279:35 pm
SFO
- SAT
1 stop19h 21m
Frontier
Sun 8/308:56 pm
SAT
- SFO
1 stop25h 00m
Frontier
Deal found 5/18![Frontier logo]()
$274
This Super.com deal was found by Cheapflights users on 5/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/218:45 pm
SFO
- SAT
1 stop21h 26m
Frontier
Wed 6/247:51 pm
SAT
- SFO
1 stop6h 36m
Frontier
Deal found 5/18![Frontier logo]()
$277
This CheapOair deal was found by Cheapflights users on 5/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:56 pm
SFO
- SAT
1 stop19h 18m
Frontier
Sun 7/197:51 pm
SAT
- SFO
1 stop6h 27m
Frontier
Deal found 5/20![Frontier logo]()
$280
This Trip.com deal was found by Cheapflights users on 5/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/109:39 pm
SFO
- SAT
1 stop19h 15m
Frontier
Mon 7/137:51 pm
SAT
- SFO
1 stop6h 27m
Frontier
Deal found 5/19![Frontier logo]()
$282
This Frontier deal was found by Cheapflights users on 5/16. 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 8/811:10 am
SFO
- SAT
1 stop7h 04m
Frontier
Mon 8/247:51 pm
SAT
- SFO
1 stop6h 31m
Frontier
Deal found 5/16![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 5/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:00 am
SFO
- SAT
1 stop10h 56m
Frontier
Tue 6/237:51 pm
SAT
- SFO
1 stop6h 36m
Frontier
Deal found 5/20![Frontier logo]()
$290
This Frontier deal was found by Cheapflights users on 5/16. 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.
Mon 8/106:00 am
SFO
- SAT
1 stop10h 54m
Frontier
Tue 8/257:51 pm
SAT
- SFO
1 stop6h 31m
Frontier
Deal found 5/16![Frontier logo]()
$294
This Gotogate deal was found by Cheapflights users on 5/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:00 am
SFO
- SAT
1 stop10h 56m
Frontier
Fri 6/268:56 pm
SAT
- SFO
1 stop19h 20m
Frontier
Deal found 5/17![Frontier logo]()
$296
This Super.com deal was found by Cheapflights users on 5/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1510:58 pm
SFO
- SAT
1 stop19h 13m
Frontier
Thu 6/188:56 pm
SAT
- SFO
1 stop13h 55m
Frontier
Deal found 5/15![Frontier logo]()
$297
Best flights from San Francisco to San AntonioDiscover carefully curated flight deals from San Francisco to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 20, 2026.
Discover carefully curated flight deals from San Francisco to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 20, 2026.
This Southwest deal was found by Cheapflights users on 5/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/83:45 pm
SFO
- SAT
2 stops7h 25m
Southwest
Mon 6/159:40 pm
SAT
- SFO
1 stop5h 10m
Southwest
Deal found 5/19![Southwest logo]()
$364
This Delta deal was found by Cheapflights users on 5/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:35 am
SFO
- SAT
2 stops11h 51m
Delta
Sun 7/196:03 pm
SAT
- SFO
1 stop7h 49m
Delta
Deal found 5/15![Delta logo]()
$375
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Tue 7/1412:45 am
SFO
- SAT
1 stop5h 42m
United Airlines
Sun 7/197:30 am
SAT
- SFO
Nonstop3h 40m
United Airlines
Deal found 5/15![United Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 5/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/253:45 pm
SFO
- SAT
2 stops7h 25m
Southwest
Tue 6/305:55 pm
SAT
- SFO
1 stop7h 30m
Southwest
Deal found 5/19![Southwest logo]()
$364
This United Airlines deal was found by Cheapflights users on 5/15. 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 5/2812:45 am
SFO
- SAT
1 stop5h 42m
United Airlines
Wed 6/37:35 am
SAT
- SFO
Nonstop3h 55m
United Airlines
Deal found 5/15![United Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 5/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/184:00 pm
SFO
- SAT
2 stops7h 15m
Southwest
Mon 6/226:35 am
SAT
- SFO
2 stops6h 45m
Southwest
Deal found 5/20![Southwest logo]()
$433
Last-minute flights from San Francisco to San AntonioDiscover last-minute flight deals from San Francisco to San Antonio. Data last updated May 20, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to San Antonio. Data last updated May 20, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 5/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:56 am
SFO
- SAT
1 stop8h 03m
Frontier
Wed 6/37:54 pm
SAT
- SFO
1 stop6h 29m
Frontier
Deal found 5/15![Frontier logo]()
$307
This Orbitz deal was found by Cheapflights users on 5/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:56 am
SFO
- SAT
1 stop8h 03m
Frontier
Mon 6/87:54 pm
SAT
- SFO
1 stop6h 29m
Frontier
Deal found 5/18![Frontier logo]()
$284
This CheapOair deal was found by Cheapflights users on 5/17. 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 6/129:43 pm
SFO
- SAT
1 stop19h 13m
Frontier
Sun 6/147:51 pm
SAT
- SFO
1 stop6h 36m
Frontier
Deal found 5/17![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 5/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:00 am
SFO
- SAT
1 stop10h 56m
Frontier
Wed 6/247:51 pm
SAT
- SFO
1 stop6h 36m
Frontier
Deal found 5/20![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 5/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:00 am
SFO
- SAT
1 stop10h 56m
Frontier
Tue 6/237:51 pm
SAT
- SFO
1 stop6h 36m
Frontier
Deal found 5/20![Frontier logo]()
$290
This Super.com deal was found by Cheapflights users on 5/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1510:58 pm
SFO
- SAT
1 stop19h 13m
Frontier
Thu 6/188:56 pm
SAT
- SFO
1 stop13h 55m
Frontier
Deal found 5/15![Frontier logo]()
$297
This Trip.com deal was found by Cheapflights users on 5/16. 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.
Tue 6/1610:58 pm
SFO
- SAT
1 stop19h 13m
Frontier
Fri 6/197:51 pm
SAT
- SFO
1 stop6h 36m
Frontier
Deal found 5/16![Frontier logo]()
$298
This Frontier deal was found by Cheapflights users on 5/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:00 am
SFO
- SAT
1 stop10h 56m
Frontier
Wed 6/247:51 pm
SAT
- SFO
1 stop6h 36m
Frontier
Deal found 5/20![Frontier logo]()
$299
This Super.com deal was found by Cheapflights users on 5/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/218:45 pm
SFO
- SAT
1 stop21h 26m
Frontier
Wed 6/247:51 pm
SAT
- SFO
1 stop6h 36m
Frontier
Deal found 5/18![Frontier logo]()
$277
This Gotogate deal was found by Cheapflights users on 5/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:00 am
SFO
- SAT
1 stop10h 56m
Frontier
Fri 6/268:56 pm
SAT
- SFO
1 stop19h 20m
Frontier
Deal found 5/17![Frontier logo]()
$296
One-way flights from San Francisco to San AntonioSearch for one-way flight options from San Francisco to San Antonio. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
Search for one-way flight options from San Francisco to San Antonio. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
This Super.com deal was found by Cheapflights users on 5/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:00 am
SFO
- SAT
1 stop10h 54m
Frontier
Deal found 5/17![Frontier logo]()
$120
This Frontier deal was found by Cheapflights users on 5/18. 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 6/96:00 am
SFO
- SAT
1 stop10h 56m
Frontier
Deal found 5/18![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 5/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:56 am
SFO
- SAT
1 stop8h 03m
Frontier
Deal found 5/15![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 5/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:00 am
SFO
- SAT
1 stop10h 59m
Frontier
Deal found 5/20![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 5/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:39 pm
SFO
- SAT
1 stop21h 32m
Frontier
Deal found 5/15![Frontier logo]()
$134
This Frontier deal was found by Cheapflights users on 5/17. 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 7/186:00 am
SFO
- SAT
1 stop10h 54m
Frontier
Deal found 5/17![Frontier logo]()
$135
This CheapOair deal was found by Cheapflights users on 5/19. 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.
Sun 6/1410:58 pm
SFO
- SAT
1 stop19h 13m
Frontier
Deal found 5/19![Frontier logo]()
$136
This Super.com deal was found by Cheapflights users on 5/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:00 am
SFO
- SAT
1 stop10h 59m
Frontier
Deal found 5/18![Frontier logo]()
$137
This Super.com deal was found by Cheapflights users on 5/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1510:58 pm
SFO
- SAT
1 stop19h 13m
Frontier
Deal found 5/18![Frontier logo]()
$138
This Super.com deal was found by Cheapflights users on 5/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1910:58 pm
SFO
- SAT
1 stop19h 13m
Frontier
Deal found 5/19![Frontier logo]()
$139
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 May 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $270 (Frontier) |
One-way from | $120 (Super.com) |
Popular in | March |
Cheapest in | October |
Average price | $379 |
Good round-trip deal | $479 or less |
Good one-way deal | $317 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 May 20, 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
Cheapest round-trip
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Mon 6/8
3:45 pm-1:10 am
2 stops7h 25m
San Antonio
Mon 6/15
9:40 pm-12:50 am
1 stop5h 10m
$364
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Thu 6/25
3:45 pm-1:10 am
2 stops7h 25m
San Antonio
Tue 6/30
5:55 pm-11:25 pm
1 stop7h 30m
$364
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Wed 7/15
10:35 am-12:26 am
2 stops11h 51m
San Antonio
Sun 7/19
6:03 pm-11:52 pm
1 stop7h 49m
$375
Quickest round-trip
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Tue 7/14
12:45 am-8:27 am
1 stop5h 42m
San Antonio
Sun 7/19
7:30 am-9:10 am
Nonstop3h 40m
$409
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Thu 5/28
12:45 am-8:27 am
1 stop5h 42m
San Antonio
Wed 6/3
7:35 am-9:30 am
Nonstop3h 55m
$409
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Thu 6/18
4:00 pm-1:15 am
2 stops7h 15m
San Antonio
Mon 6/22
6:35 am-11:20 am
2 stops6h 45m
$433
Cheapest one-way
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Wed 8/5
11:05 pm-10:35 am
2 stops9h 30m
$170
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Sat 6/6
3:15 pm-11:05 pm
1 stop5h 50m
$195
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Mon 6/15
4:00 pm-1:10 am
1 stop7h 10m
$225
San FranciscoSan Antonio
SFO - SAT
SFOSAT
San Francisco
Tue 6/2
10:30 am-8:15 pm
2 stops7h 45m
$230
Showing 1-10 of 16 resultsSorted by cheapest first
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | 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 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.
SFO-SAT
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?
The best time to book flights from San Francisco to San Antonio is 42 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, October is the cheapest month in which you can book a flight from San Francisco to San Antonio (average of $313). Flying from San Francisco to San Antonio in March is currently the most expensive (average of $533). 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 May 20, 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 15% 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.
Houston (IAH) – chosen by Cheapflights users on 88% 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.
Houston (IAH) is the most affordable 1-stop option, with an average round-trip price of $379.
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 May 20, 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.
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Food
7.0
Entertainment
7.5
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
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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 May 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$151 | Average$253 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$216 | Average$347 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$217 | Average$354 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$256 | Average$382 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$259 | Average$448 | FlexibilityNo cancel fee | On-time69% |