Flights to San Antonio

$31 Cheap flights to San Antonio

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to San Antonio departing on 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from the United States to San Antonio

Cheap round-trip flights

Spirit Airlines Logo
2:38 pm - 7:32 pmLAX-SAT
2h 54mnonstop
Spirit Airlines Logo
8:37 pm - 9:57 pmSAT-LAX
3h 20mnonstop
$65Spirit Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
Frontier Logo
3:06 pm - 4:50 pmATL-SAT
2h 44mnonstop
Frontier Logo
5:45 pm - 9:19 pmSAT-ATL
2h 34mnonstop
$76Frontier
Find Deal
Fri, Oct 10 - Mon, Oct 13
Southwest Logo
2:50 pm - 4:15 pmATL-SAT
2h 25mnonstop
Southwest Logo
4:00 pm - 7:25 pmSAT-ATL
2h 25mnonstop
$167Southwest
Find Deal
Thu, Sep 25 - Sun, Sep 28
Southwest Logo
4:05 pm - 5:50 pmATL-SAT
2h 45mnonstop
Southwest Logo
4:25 pm - 7:40 pmSAT-ATL
2h 15mnonstop
$187Southwest
Find Deal
Thu, Dec 11 - Sun, Dec 14
Delta Logo
5:30 am - 1:49 pmSEA-SAT
6h 19m1 stop
Delta Logo
12:40 pm - 6:36 pmSAT-SEA
7h 56m1 stop
$195Delta
Find Deal
Sat, Sep 6 - Sat, Sep 20
American Airlines Logo
12:58 am - 9:16 amSEA-SAT
6h 18m1 stop
American Airlines Logo
6:00 am - 10:50 amSAT-SEA
6h 50m1 stop
$221American Airlines
Find Deal
Thu, Aug 28 - Wed, Oct 1
Delta Logo
6:00 am - 11:10 amIAD-SAT
6h 10m1 stop
Delta Logo
5:10 am - 11:28 amSAT-IAD
5h 18m1 stop
$237Delta
Find Deal
Wed, Sep 10 - Wed, Sep 17
American Airlines Logo
12:58 am - 9:16 amSEA-SAT
6h 18m1 stop
American Airlines Logo
5:00 am - 9:19 amSAT-SEA
6h 19m1 stop
$247American Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 1
United Airlines Logo
5:55 pm - 8:33 pmIAD-SAT
3h 38mnonstop
United Airlines Logo
7:00 am - 11:19 amSAT-IAD
3h 19mnonstop
$249United Airlines
Find Deal
Fri, Sep 5 - Mon, Sep 8
United Airlines Logo
11:58 pm - 8:57 amSEA-SAT
6h 59m1 stop
United Airlines Logo
4:21 pm - 11:15 pmSAT-SEA
8h 54m2 stops
$252United Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 30

momondo Fare Finder

 
Locate flights to San Antonio that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on August 18, 2025.
Use the filters below to find and compare flights to San Antonio that are best for you.

Fly from

Route

Depart

Return

Price

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Sat 9/13

2:38 pm-7:32 pm

Nonstop2h 54m

San Antonio

Sat 9/20

8:37 pm-9:57 pm

Nonstop3h 20m

$65

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Fri 10/10

3:06 pm-4:50 pm

Nonstop2h 44m

San Antonio

Mon 10/13

5:45 pm-9:19 pm

Nonstop2h 34m

$76

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Thu 9/25

2:50 pm-4:15 pm

Nonstop2h 25m

San Antonio

Sun 9/28

4:00 pm-7:25 pm

Nonstop2h 25m

$167

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Thu 12/11

4:05 pm-5:50 pm

Nonstop2h 45m

San Antonio

Sun 12/14

4:25 pm-7:40 pm

Nonstop2h 15m

$187

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Sat 9/6

5:30 am-1:49 pm

1 stop6h 19m

San Antonio

Sat 9/20

12:40 pm-6:36 pm

1 stop7h 56m

$195

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Thu 8/28

12:58 am-9:16 am

1 stop6h 18m

San Antonio

Wed 10/1

6:00 am-10:50 am

1 stop6h 50m

$221

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Wed 9/10

6:00 am-11:10 am

1 stop6h 10m

San Antonio

Wed 9/17

5:10 am-11:28 am

1 stop5h 18m

$237

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Thu 8/28

12:58 am-9:16 am

1 stop6h 18m

San Antonio

Mon 9/1

5:00 am-9:19 am

1 stop6h 19m

$247

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Fri 9/5

5:55 pm-8:33 pm

Nonstop3h 38m

San Antonio

Mon 9/8

7:00 am-11:19 am

Nonstop3h 19m

$249

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Tue 9/16

11:58 pm-8:57 am

1 stop6h 59m

San Antonio

Tue 9/30

4:21 pm-11:15 pm

2 stops8h 54m

$252

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

San Antonio flights insights and trends

Explore insights for your San Antonio flight to craft the best travel plan

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of September, then book flights to San Antonio from United States during October instead. Flights to San Antonio in October, while not as cheap as those in September, still average around $276.

What is the absolute cheapest flight to San Antonio?

Users booking trips to San Antonio from Knoxville found flights 83% cheaper than the average price of flights to San Antonio. To find the cheapest price to San Antonio from your area, use momondo’s Airport-to-Airport Pricing Tool.
See prices from:

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 $385. 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 $500.

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 afternoon. momondo users have found flights departing from United States to San Antonio in the afternoon for as low as $180. 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 $430. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to San Antonio from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $394 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from United States for as low as $300 on momondo.

Cheapest flights to San Antonio

Find the cheapest flights to San Antonio from your nearest city or airport
CHEAPEST MONTH TO FLY TO SAN ANTONIO FROM LOS ANGELESSeptember24% cheaperFlying from Los Angeles to San Antonio costs on average just $179 in September
MOST EXPENSIVE MONTH TO FLY TO SAN ANTONIO FROM LOS ANGELESDecember21% more expensiveIt costs about $285 for flights to San Antonio from Los Angeles in December
MOST POPULAR MONTH TO FLY TO SAN ANTONIO FROM LOS ANGELESOctober173% more users visitedMore momondo users searched in flights to San Antonio from Los Angeles in October than any other month

Cheap San Antonio flight deals and tips

Summary info about San Antonio flight prices, duration and airlines

Best One-Way Price

$31

Best Round-Trip Price

$65

Fastest flight time

2h 31m

Popular in

December
The best one-way flight price to San Antonio from United States in the last 72 hours is $31 (Los Angeles to San Antonio).
The best round-trip flight price to San Antonio from United States in the last 72 hours is $65 (Los Angeles to San Antonio).
The fastest flight to San Antonio from United States takes 2h 31m (Atlanta Hartsfield-Jackson to San Antonio).
December has the highest demand for flights to San Antonio, with a 11% price increase on average.

Frequently asked questions about flying to San Antonio

Are there any amusement parks near San Antonio?

Yes, SeaWorld San Antonio is close to San Antonio and is a great place to spend time with the family when the weather is right. Waterparks like Aquatica are perfect places to go when the heat gets unbearable. San Antonio is a great place for families, with something for everyone to do. Amusement parks and waterparks are often most enjoyable when the weather is 70 degrees fahrenheit or more and the chance of rain is moderate at most. With that in mind, consider planning your flight to San Antonio for May or June if these attractions interest you or your family.

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

In general, most travelers find the cheapest time to book a flight to San Antonio is about 63 days prior to their departure date when tickets on average are $376. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from United States for as low as $275 on momondo.

Is there an alternative airport near San Antonio?

San Antonio Airport can be an alternative airport used for travel to San Antonio.

Is there a cheaper alternative to flying into San Antonio?

Prices vary based on where travelers are departing from, but on average, the cheapest airport to fly to in San Antonio is San Antonio Airport where the average price is $356. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

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

Prices for flights to San Antonio Airport refresh daily.

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

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel 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.

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 to San Antonio?

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

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

Flights to San Antonio with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights to San Antonio?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to San Antonio.

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

If you are not ready to book a flight to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to San Antonio and let you know when they change.

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1 adult
Sat 8/23
Sat 8/30

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