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Cheap flights from San Francisco to San Antonio from $56

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 1/21. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 2:32 pm
SFO
-
SAT
6h 32m1 stop
Delta Logo
4:10 pm - 8:02 pm
SAT
-
SFO
5h 52m1 stop
$289Delta
jue., mar. 19 - dom., mar. 22
Southwest Logo
5:30 am - 3:45 pm
SFO
-
SAT
8h 15m2 stops
Southwest Logo
4:05 pm - 10:05 pm
SAT
-
SFO
8h 00m2 stops
$291Southwest
mié., ene. 14 - dom., ene. 25
Frontier Logo
4:07 pm - 12:17 am
SFO
-
SAT
6h 10m1 stop
Frontier Logo
6:45 am - 12:25 am
SAT
-
SFO
19h 40m1 stop
$296Frontier
vie., abr. 10 - lun., abr. 13
Southwest Logo
6:05 am - 4:05 pm
SFO
-
SAT
8h 00m2 stops
Southwest Logo
6:15 pm - 9:50 pm
SAT
-
SFO
5h 35m1 stop
$301Southwest
vie., ene. 9 - vie., ene. 9
American Airlines Logo
9:10 am - 8:04 pm
SFO
-
SAT
8h 54m1 stop
American Airlines Logo
2:35 pm - 6:30 pm
SAT
-
SFO
5h 55m1 stop
$304American Airlines
mar., ene. 6 - dom., ene. 11
Alaska Airlines Logo
5:42 pm - 5:05 am
SFO
-
SAT
9h 23m1 stop
Alaska Airlines Logo
6:46 pm - 2:00 pm
SAT
-
SFO
21h 14m1 stop
$306Alaska Airlines
mar., ene. 6 - mar., ene. 20
Frontier Logo
6:00 am - 9:23 am
SFO
-
SAT
25h 23m2 stops
Frontier Logo
6:45 am - 3:10 pm
SAT
-
SFO
10h 25m1 stop
$307Frontier
mié., dic. 17 - mar., dic. 30
Southwest Logo
6:40 pm - 1:25 am
SFO
-
SAT
4h 45m1 stop
Southwest Logo
6:10 am - 10:30 am
SAT
-
SFO
6h 20m1 stop
$309Southwest
sáb., dic. 27 - mié., ene. 14
Frontier Logo
10:10 pm - 9:23 am
SFO
-
SAT
33h 13m2 stops
Frontier Logo
2:01 pm - 7:48 am
SAT
-
SFO
19h 47m1 stop
$311Frontier
mar., dic. 16 - dom., dic. 21
Frontier Logo
4:07 pm - 12:17 am
SFO
-
SAT
6h 10m1 stop
Frontier Logo
3:55 pm - 8:47 pm
SAT
-
SFO
6h 52m1 stop
$312Frontier
dom., dic. 28 - sáb., ene. 10

Frontier flights from San Francisco to San Antonio

Our best Frontier deals on San Francisco to San Antonio flight tickets
Frontier
Apr 10
SFO4:07 pmSan Francisco
6h 10m
1 stop
SAT12:17 amSan Antonio
Apr 13
SAT6:45 amSan Antonio
19h 40m
1 stop
SFO12:25 amSan Francisco
$296
Find similar
Frontier
Dec 17
SFO6:30 amSan Francisco
28h 44m
1 stop
SAT1:14 pmSan Antonio
Dec 21
SAT2:01 pmSan Antonio
19h 47m
1 stop
SFO7:48 amSan Francisco
$307
Find similar
Frontier
Dec 6
SFO11:33 pmSan Francisco
15h 18m
1 stop
SAT4:51 pmSan Antonio
Dec 8
SAT12:03 pmSan Antonio
7h 31m
1 stop
SFO5:34 pmSan Francisco
$311
Find similar

Southwest flights from San Francisco to San Antonio

Our best Southwest deals on San Francisco to San Antonio flight tickets
Southwest
Jan 9
SFO6:05 amSan Francisco
8h 00m
2 stops
SAT4:05 pmSan Antonio
Jan 9
SAT6:15 pmSan Antonio
5h 35m
1 stop
SFO9:50 pmSan Francisco
$301
Find similar
Southwest
Dec 27
SFO6:40 pmSan Francisco
4h 45m
1 stop
SAT1:25 amSan Antonio
Jan 14
SAT6:10 amSan Antonio
6h 20m
1 stop
SFO10:30 amSan Francisco
$309
Find similar
Southwest
Dec 27
SFO6:40 pmSan Francisco
4h 45m
1 stop
SAT1:25 amSan Antonio
Jan 14
SAT6:10 amSan Antonio
10h 10m
2 stops
SFO2:20 pmSan Francisco
$314
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 diciembre 4, 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

jue. 3/19

6:00 am-2:32 pm

1 stop6h 32m

San Antonio

dom. 3/22

4:10 pm-8:02 pm

1 stop5h 52m

$289

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

mié. 1/14

5:30 am-3:45 pm

2 stops8h 15m

San Antonio

dom. 1/25

4:05 pm-10:05 pm

2 stops8h 00m

$291

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

vie. 4/10

4:07 pm-12:17 am

1 stop6h 10m

San Antonio

lun. 4/13

6:45 am-12:25 am

1 stop19h 40m

$296

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

vie. 1/9

6:05 am-4:05 pm

2 stops8h 00m

San Antonio

vie. 1/9

6:15 pm-9:50 pm

1 stop5h 35m

$301

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

mar. 1/6

9:10 am-8:04 pm

1 stop8h 54m

San Antonio

dom. 1/11

2:35 pm-6:30 pm

1 stop5h 55m

$304

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

mar. 1/6

5:42 pm-5:05 am

1 stop9h 23m

San Antonio

mar. 1/20

6:46 pm-2:00 pm

1 stop21h 14m

$306

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

mié. 12/17

6:00 am-9:23 am

2 stops25h 23m

San Antonio

mar. 12/30

6:45 am-3:10 pm

1 stop10h 25m

$307

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

sáb. 12/27

6:40 pm-1:25 am

1 stop4h 45m

San Antonio

mié. 1/14

6:10 am-10:30 am

1 stop6h 20m

$309

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

mar. 12/16

10:10 pm-9:23 am

2 stops33h 13m

San Antonio

dom. 12/21

2:01 pm-7:48 am

1 stop19h 47m

$311

San FranciscoSan Antonio

SFO - SAT

SFOSAT

San Francisco

dom. 12/28

4:07 pm-12:17 am

1 stop6h 10m

San Antonio

sáb. 1/10

3:55 pm-8:47 pm

1 stop6h 52m

$312

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 October instead. Flights to San Antonio in October, while not as cheap as those in July, still average around $322.

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 $399. 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 $577.

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 $528. 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 $379 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 $292 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 December 2025, prices for San Francisco to San Antonio flights are approximately 5% cheaper 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 $398.
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)
Search flight deals

  • 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 24m 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 $148Free CancellationRating
5.8
3,091 reviews
Search Frontier flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,011 reviews
Search Delta flights
American AirlinesPriceFrom $256Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
SouthwestPriceFrom $268Free CancellationRating
8.0
4,250 reviews
Search Southwest 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 16 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 $432. 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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