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Cheap flights from San Francisco to San Antonio from $115

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to San Antonio departing on 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Frontier Logo
6:34 am - 7:30 pmSFO-SAT
10h 56m1 stop
Frontier Logo
10:46 pm - 12:11 amSAT-SFO
27h 25m2 stops
$214Frontier
Find Deal
Fri, Oct 31 - Sun, Nov 2
Frontier Logo
5:45 am - 1:19 pmSFO-SAT
5h 34m1 stop
Frontier Logo
4:20 pm - 9:29 pmSAT-SFO
7h 09m1 stop
$220Frontier
Find Deal
Thu, Oct 30 - Sat, Nov 1
Frontier Logo
6:44 am - 4:37 pmSFO-SAT
7h 53m1 stop
Frontier Logo
3:12 pm - 10:27 pmSAT-SFO
9h 15m1 stop
$223Frontier
Find Deal
Sat, Oct 25 - Sat, Nov 1
Delta Logo
6:00 am - 1:49 pmSFO-SAT
5h 49m1 stop
Delta Logo
6:00 am - 11:30 amSAT-SFO
7h 30m1 stop
$239Delta
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Thu, Nov 20 - Mon, Nov 24
United Airlines Logo
6:25 pm - 12:03 amSFO-SAT
3h 38mnonstop
United Airlines Logo
6:00 am - 7:45 amSAT-SFO
3h 45mnonstop
$249United Airlines
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Fri, Apr 3 - Tue, Apr 7
Delta Logo
12:35 am - 11:50 amSFO-SAT
9h 15m1 stop
Delta Logo
1:05 pm - 8:46 pmSAT-SFO
9h 41m1 stop
$254Delta
Find Deal
Fri, Nov 7 - Sat, Nov 15
Southwest Logo
3:05 pm - 10:25 pmSFO-SAT
5h 20m1 stop
Southwest Logo
6:00 pm - 12:30 amSAT-SFO
8h 30m1 stop
$269Southwest
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Thu, Nov 20 - Sat, Nov 22
United Airlines Logo
11:59 pm - 8:43 amSFO-SAT
6h 44m1 stop
United Airlines Logo
7:25 am - 9:45 amSAT-SFO
4h 20mnonstop
$285United Airlines
Find Deal
Sat, Feb 14 - Tue, Feb 17
Alaska Airlines Logo
2:46 pm - 12:05 amSFO-SAT
7h 19m1 stop
Alaska Airlines Logo
6:32 am - 1:50 pmSAT-SFO
9h 18m1 stop
$308Alaska Airlines
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Mon, Oct 27 - Tue, Oct 28
Southwest Logo
2:30 pm - 10:55 pmSFO-SAT
6h 25m1 stop
Southwest Logo
6:45 am - 3:05 pmSAT-SFO
10h 20m1 stop
$314Southwest
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Fri, Nov 7 - Sun, Nov 9

Frontier flights from San Francisco to San Antonio

Our best Frontier deals on San Francisco to San Antonio flight tickets
Frontier
Oct 31
SFO6:34 amSan Francisco
10h 56m
1 stop
SAT7:30 pmSan Antonio
Nov 2
SAT10:46 pmSan Antonio
27h 25m
2 stops
SFO12:11 amSan Francisco
$214
Find similar
Frontier
Oct 30
SFO5:45 amSan Francisco
5h 34m
1 stop
SAT1:19 pmSan Antonio
Nov 1
SAT4:20 pmSan Antonio
7h 09m
1 stop
SFO9:29 pmSan Francisco
$220
Find similar
Frontier
Oct 25
SFO6:44 amSan Francisco
7h 53m
1 stop
SAT4:37 pmSan Antonio
Nov 1
SAT3:12 pmSan Antonio
9h 15m
1 stop
SFO10:27 pmSan Francisco
$223
Find similar

Delta flights from San Francisco to San Antonio

Our best Delta deals on San Francisco to San Antonio flight tickets
Delta
Nov 20
SFO6:00 amSan Francisco
5h 49m
1 stop
SAT1:49 pmSan Antonio
Nov 24
SAT6:00 amSan Antonio
7h 30m
1 stop
SFO11:30 amSan Francisco
$239
Find similar
Delta
Nov 7
SFO12:35 amSan Francisco
9h 15m
1 stop
SAT11:50 amSan Antonio
Nov 15
SAT1:05 pmSan Antonio
9h 41m
1 stop
SFO8:46 pmSan Francisco
$254
Find similar
Delta
Nov 3
SFO8:15 amSan Francisco
10h 13m
1 stop
SAT8:28 pmSan Antonio
Nov 8
SAT12:40 pmSan Antonio
12h 53m
2 stops
SFO11:33 pmSan Francisco
$281
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 13, 2025.
Use the filters below to find and compare flights from San Francisco to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Fri 10/31

6:34 am-7:30 pm

1 stop10h 56m

San Antonio

Sun 11/2

10:46 pm-12:11 am

2 stops27h 25m

$214

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Thu 10/30

5:45 am-1:19 pm

1 stop5h 34m

San Antonio

Sat 11/1

4:20 pm-9:29 pm

1 stop7h 09m

$220

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Sat 10/25

6:44 am-4:37 pm

1 stop7h 53m

San Antonio

Sat 11/1

3:12 pm-10:27 pm

1 stop9h 15m

$223

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Thu 11/20

6:00 am-1:49 pm

1 stop5h 49m

San Antonio

Mon 11/24

6:00 am-11:30 am

1 stop7h 30m

$239

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Fri 4/3

6:25 pm-12:03 am

Nonstop3h 38m

San Antonio

Tue 4/7

6:00 am-7:45 am

Nonstop3h 45m

$249

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Fri 11/7

12:35 am-11:50 am

1 stop9h 15m

San Antonio

Sat 11/15

1:05 pm-8:46 pm

1 stop9h 41m

$254

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Thu 11/20

3:05 pm-10:25 pm

1 stop5h 20m

San Antonio

Sat 11/22

6:00 pm-12:30 am

1 stop8h 30m

$269

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Sat 2/14

11:59 pm-8:43 am

1 stop6h 44m

San Antonio

Tue 2/17

7:25 am-9:45 am

Nonstop4h 20m

$285

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Mon 10/27

2:46 pm-12:05 am

1 stop7h 19m

San Antonio

Tue 10/28

6:32 am-1:50 pm

1 stop9h 18m

$308

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

Fri 11/7

2:30 pm-10:55 pm

1 stop6h 25m

San Antonio

Sun 11/9

6:45 am-3:05 pm

1 stop10h 20m

$314

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from San Francisco to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of July, then book flights to San Antonio from San Francisco during January instead. Flights to San Antonio in January, while not as cheap as those in July, still average around $329.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $389. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $559.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from San Francisco to San Antonio in the evening for as low as $358. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the morning, with an average ticket price of $544. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest San Francisco to San Antonio flight route?

Fly from San Francisco to San Antonio for the best San Francisco - San Antonio flight prices

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $375 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from San Francisco for as low as $303 on momondo.

What cabin class options are available on San Francisco to San Antonio flights?

There are 4 cabin classes available to choose from on San Francisco to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Francisco to San Antonio flight prices changed over time?

As of October 2025, prices for San Francisco to San Antonio flights are approximately 38% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to San Antonio (SFO to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to San Antonio

Best Price Found

$253

Fastest flight time

3h 24m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from San Francisco in the past 72 hours is $253. The best round-trip flight deal from San Francisco to San Antonio found on momondo in the last 72 hours is $289.
The fastest flight from San Francisco to San Antonio takes 3h 24m
Direct flights go from San Francisco to San Antonio every day.
There is 1 airport near San Antonio: San Antonio (SAT)
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  • How far is San Francisco to San Antonio by plane?

    San Francisco and San Antonio are 1486.3 mi apart from one another. Typically, this will take 3h 38m by plane in normal conditions.

  • When did momondo last update prices for flights from San Francisco Airport to San Antonio Airport?

    Prices for flights from San Francisco Airport to San Antonio Airport were last updated today.

  • How many operators does momondo search for flights from San Francisco Airport to San Antonio Airport?

  • How old do you have to be to fly from San Francisco Airport to San Antonio Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The necessary travel and health documents for your San Antonio Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Francisco to San Antonio?

  • What is the most popular airline from San Francisco to San Antonio?

Best airlines flying from San Francisco to San Antonio

Compare and see reviews for airlines that fly from San Francisco to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $116Free CancellationRating
5.8
3,136 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $215Free CancellationRating
6.3
8,094 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $227Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
7,972 reviews
Search Delta flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
8,973 reviews
Search United Airlines flights
SouthwestPriceFrom $268Free CancellationRating
8.0
4,235 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $282Free CancellationRating
8.0
11,066 reviews
Search Alaska Airlines flights

  • United Airlines Flights From San Francisco to San Antonio

    United Airlines is one of the most popular airlines flying from San Francisco to San Antonio, operating 8 flights/week on average for this route. A good United Airlines flight deal for San Francisco to San Antonio starts from $259 round-trip, up to an average price of $457. Our users have rated United Airlines at 7.4/10.

Traveling to a place near San Antonio?

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

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to San Antonio?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to San Antonio. momondo saves you time and could save you money on your trip.

Can I find flights from San Francisco to San Antonio with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Antonio from San Francisco with this policy.

How can momondo help me find flights from San Francisco to San Antonio?

momondo helps you find the best flight between San Francisco and San Antonio by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Francisco to San Antonio right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Francisco to San Antonio flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your San Antonio trip

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