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$62+ 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SAT
nov. 26 — dic. 31
mié. 11/26
mié. 12/3
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

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Cheapflights Tip: The best prices from San Francisco to San Antonio are usually found in July or January, booked 86 days in advance, depart on a Wednesday or Saturday and return on a Thursday

Cheap 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 octubre 27, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$221
(Kiwi.com)

One-way from

$62
(Trip.com)

Popular in

March

Cheapest in

July

Average price

$384

Good round-trip deal

$308 or less

Good one-way deal

$253 or less
Provider with most accurate pricing for San Francisco-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-San Antonio flights.
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From San Francisco to San Antonio
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One-way flight from San Francisco to San Antonio
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from San Francisco to San Antonio.
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Price to beat on a one-way flight from San Francisco to San Antonio.
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Find 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 octubre 27, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
lun. 11/176:34 amSFO - SAT
1 stop10h 56mFrontier
mar. 11/251:50 pmSAT - SFO
1 stop9h 13mFrontier
Deal found 10/27$221
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
mar. 12/210:10 pmSFO - SAT
1 stop17h 02mMultiple Airlines
sáb. 12/67:00 amSAT - SFO
2 stops19h 24mMultiple Airlines
Deal found 10/27$222
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
sáb. 11/19:55 pmSFO - SAT
1 stop10h 19mFrontier
lun. 11/102:04 pmSAT - SFO
2 stops12h 07mFrontier
Deal found 10/25$224
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
lun. 12/111:38 amSFO - SAT
1 stop5h 17mFrontier
jue. 12/47:56 pmSAT - SFO
2 stops21h 50mFrontier
Deal found 10/27$225
This Frontier deal was found by Cheapflights users on 10/27. 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.
jue. 11/202:54 pmSFO - SAT
1 stop7h 26mFrontier
jue. 12/43:06 pmSAT - SFO
1 stop11h 18mFrontier
Deal found 10/27$226
This Frontier deal was found by Cheapflights users on 10/27. 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.
jue. 11/135:45 amSFO - SAT
1 stop5h 34mFrontier
mar. 11/251:50 pmSAT - SFO
1 stop9h 13mFrontier
Deal found 10/27$227
This Frontier deal was found by Cheapflights users on 10/26. 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.
lun. 11/106:34 amSFO - SAT
1 stop10h 56mFrontier
jue. 11/202:08 pmSAT - SFO
1 stop9h 00mFrontier
Deal found 10/26$229
This Kiwi.com deal was found by Cheapflights users on 10/24. 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.
lun. 12/158:43 amSFO - SAT
1 stop6h 22mMultiple Airlines
mar. 1/65:10 amSAT - SFO
1 stop9h 14mMultiple Airlines
Deal found 10/24$230
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
lun. 11/246:00 amSFO - SAT
1 stop29h 05mFrontier
lun. 12/17:50 pmSAT - SFO
2 stops47h 01mFrontier
Deal found 10/25$231
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
mié. 12/246:24 amSFO - SAT
1 stop15h 53mFrontier
mié. 12/316:45 amSAT - SFO
1 stop19h 39mFrontier
Deal found 10/25$232
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
mié. 11/57:30 amSFO - SAT
1 stop27h 49mMultiple Airlines
lun. 11/176:45 amSAT - SFO
1 stop15h 25mMultiple Airlines
Deal found 10/25$234
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
dom. 11/25:45 amSFO - SAT
1 stop5h 34mFrontier
sáb. 11/83:12 pmSAT - SFO
1 stop20h 21mFrontier
Deal found 10/25$236

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 octubre 27, 2025.
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

sáb. 11/15

12:30 am-11:55 am

1 stop9h 25m

San Antonio

jue. 11/27

12:45 pm-6:33 pm

1 stop7h 48m

$269

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

mié. 12/10

11:56 am-9:19 pm

1 stop7h 23m

San Antonio

mié. 12/17

11:36 am-6:16 pm

1 stop8h 40m

$269

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

sáb. 12/13

11:56 am-9:19 pm

1 stop7h 23m

San Antonio

sáb. 12/20

4:10 pm-10:50 pm

1 stop8h 40m

$269

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

jue. 2/5

6:00 am-2:45 pm

1 stop6h 45m

San Antonio

sáb. 2/7

1:40 pm-9:48 pm

1 stop10h 08m

$269

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

mié. 2/18

11:45 am-9:41 pm

1 stop7h 56m

San Antonio

sáb. 2/21

6:30 am-1:25 pm

1 stop8h 55m

$269

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

vie. 1/30

6:00 am-2:45 pm

1 stop6h 45m

San Antonio

lun. 2/2

6:30 am-1:47 pm

1 stop9h 17m

$269

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

jue. 2/19

5:00 am-3:15 pm

2 stops8h 15m

San Antonio

dom. 2/22

5:20 am-3:00 pm

1 stop11h 40m

$274

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

mar. 11/11

9:51 am-5:05 pm

1 stop5h 14m

San Antonio

mar. 11/18

5:59 pm-10:03 pm

1 stop6h 04m

$289

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

sáb. 2/21

5:45 am-1:34 pm

1 stop5h 49m

San Antonio

dom. 2/22

6:30 am-1:25 pm

1 stop8h 55m

$294

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

jue. 4/2

6:25 pm-12:03 am

Nonstop3h 38m

San Antonio

lun. 4/6

3:25 pm-5:10 pm

Nonstop3h 45m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 21 results
1
2
3

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
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 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

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 October 24, 2025.

The best time to book flights from San Francisco to San Antonio is 86 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, December is the cheapest month in which you can book a flight from San Francisco to San Antonio (average of $107). Flying from San Francisco to San Antonio in March is currently the most expensive (average of $204). 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 octubre 27, 2025.

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 34% on airfare.

What is the cheapest day to fly from San Francisco to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to San Antonio. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their San Francisco to San Antonio flight should consider departing on Monday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 octubre 27, 2025.
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.
Southwest
8.0
Very good
4,236 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,236 reviews
Southwest
8.0
Very good
4,236 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,996 reviews
Southwest
8.0
Very good
4,236 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,997 reviews
Southwest
8.0
Very good
4,236 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,033 reviews
Southwest
8.0
Very good
4,236 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,122 reviews
Southwest
8.0
Very good
4,236 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 6 different airlines, which means you should have some options if you want to compare airfare deals. 3h 24m is how long a nonstop flight from San Francisco to San Antonio typically takes.

  • How popular is this San Francisco to San Antonio flight route?

    Flights from San Francisco to San Antonio have been viewed 5 times in the past calendar month.

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

    A quick flight from San Francisco to San Antonio can take about 9h 25m. Delta provides one of the quickest options available for as low as $269. The distance from San Francisco to San Antonio is about 1479 mi.

  • 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 $130. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $236 and $242, respectively. Users have found that Frontier is 65% 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 $103. Alaska Airlines flights start at $135 while deals on Southwest start at $135 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 Air New Zealand (82%), SkyWest Airlines (78%) or Air Canada (78%) 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 $461, our data indicates the cheapest price to be $249. The most popular route (San Francisco - San Antonio), is priced around $172.

  • 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, December is the cheapest month in which you can book a flight from San Francisco to San Antonio (average of $107). Flying from San Francisco to San Antonio in March is currently the most expensive (average of $204). 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.
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Top 7 airlines flying from San Francisco to San Antonio

Discover the top 7 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 octubre 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$242FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$215Average$230FlexibilityNo cancel feeOn-time65%
DeltaCheapest$236Average$337FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$242Average$338FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$259Average$452FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$268Average$401FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$282Average$417FlexibilityNo cancel feeOn-time75%

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