Which airlines fly to San Antonio?

American Airlines, Delta, Southwest and United Airlines are the most popular airlines that fly from United States to San Antonio on a routine basis, according to our data. You should be able to find flights to San Antonio with these airlines and other airlines flying from United States.

Southwest Flights to San Antonio

12 Southwest flights head to San Antonio on average each week. Most will be flying from Dallas Love Field to San Antonio, the most popular route that Southwest operates to San Antonio. Prices vary based on when and where you fly from - the cheapest Southwest flight to San Antonio found in the past 3 days on momondo was $180, departing from Atlanta Hartsfield-Jackson. Southwest is the most popular choice on momondo for this route and has been scored 8.0/10 by 4,248 of our users.

Alaska Airlines Flights to San Antonio

$249 is the best round-trip Alaska Airlines deal to San Antonio found on momondo in the last few days. The deal departed from Los Angeles. Alaska Airlines has 18 flights to San Antonio most weeks, with prices varying by availability. 10,000 momondo users have reviewed Alaska Airlines, scoring the airline a 8.0/10 on average.

How long does it take to fly to San Antonio?

Flight times vary depending on what airport in United States you fly out of and what airport in San Antonio you fly into. For example, flying from Los Angeles to Austin Bergstrom takes 2h 50m on average. On the other hand, flying from Miami to Austin Bergstrom takes 3h 04m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

$39 Cheap Flights to San Antonio in 2025/26

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Find the cheapest flights from the United States to San Antonio

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:00 pm - 3:14 pmDEN-SAT

2h 14mnonstop

5:32 pm - 6:53 pmSAT-DEN

2h 21mnonstop

$96Frontier

Find Deal

mar., oct. 21 - sáb., oct. 25

4:34 pm - 7:48 pmDEN-SAT

2h 14mnonstop

8:25 pm - 9:48 pmSAT-DEN

2h 23mnonstop

$97Frontier

Find Deal

jue., oct. 30 - lun., nov. 3

5:45 pm - 10:42 pmLAX-SAT

2h 57mnonstop

7:30 am - 9:04 amSAT-LAX

3h 34mnonstop

$179American Airlines

Find Deal

sáb., nov. 1 - mar., nov. 4

4:10 pm - 5:55 pmATL-SAT

2h 45mnonstop

4:25 pm - 7:40 pmSAT-ATL

2h 15mnonstop

$187Southwest

Find Deal

jue., dic. 4 - dom., dic. 7

7:16 am - 2:07 pmATL-SAT

7h 51m1 stop

6:00 am - 11:22 amSAT-ATL

4h 22m1 stop

$207American Airlines

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mar., nov. 4 - dom., nov. 9

6:25 am - 11:58 amLGA-SAT

6h 33m1 stop

4:21 pm - 11:14 pmSAT-LGA

5h 53m1 stop

$251United Airlines

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sáb., oct. 25 - sáb., oct. 25

5:50 pm - 10:35 pmLGA-SAT

5h 45m1 stop

5:30 am - 2:19 pmSAT-LGA

7h 49m2 stops

$256United Airlines

Find Deal

mar., oct. 21 - sáb., oct. 25

7:30 am - 10:41 amJFK-SAT

4h 11mnonstop

12:10 pm - 5:05 pmSAT-JFK

3h 55mnonstop

$259Delta

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sáb., nov. 8 - mar., nov. 11

6:55 am - 11:15 amDCA-SAT

5h 20m1 stop

6:50 am - 12:35 pmSAT-DCA

4h 45m1 stop

$260Southwest

Find Deal

lun., dic. 29 - mié., dic. 31

7:35 am - 10:51 amJFK-SAT

4h 16mnonstop

12:02 pm - 5:00 pmSAT-JFK

3h 58mnonstop

$261Delta

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vie., oct. 31 - jue., nov. 6

Fly from

Route

Depart

Return

Price

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

mar. 10/21

12:00 pm-3:14 pm

Nonstop2h 14m

San Antonio

sáb. 10/25

5:32 pm-6:53 pm

Nonstop2h 21m

$96

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

jue. 10/30

4:34 pm-7:48 pm

Nonstop2h 14m

San Antonio

lun. 11/3

8:25 pm-9:48 pm

Nonstop2h 23m

$97

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

sáb. 11/1

5:45 pm-10:42 pm

Nonstop2h 57m

San Antonio

mar. 11/4

7:30 am-9:04 am

Nonstop3h 34m

$179

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

jue. 12/4

4:10 pm-5:55 pm

Nonstop2h 45m

San Antonio

dom. 12/7

4:25 pm-7:40 pm

Nonstop2h 15m

$187

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

mar. 11/4

7:16 am-2:07 pm

1 stop7h 51m

San Antonio

dom. 11/9

6:00 am-11:22 am

1 stop4h 22m

$207

New YorkSan Antonio

LGA - SAT

LGASAT

New York LaGuardia

sáb. 10/25

6:25 am-11:58 am

1 stop6h 33m

San Antonio

sáb. 10/25

4:21 pm-11:14 pm

1 stop5h 53m

$251

New YorkSan Antonio

LGA - SAT

LGASAT

New York LaGuardia

mar. 10/21

5:50 pm-10:35 pm

1 stop5h 45m

San Antonio

sáb. 10/25

5:30 am-2:19 pm

2 stops7h 49m

$256

New YorkSan Antonio

JFK - SAT

JFKSAT

New York John F Kennedy Intl

sáb. 11/8

7:30 am-10:41 am

Nonstop4h 11m

San Antonio

mar. 11/11

12:10 pm-5:05 pm

Nonstop3h 55m

$259

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

lun. 12/29

6:55 am-11:15 am

1 stop5h 20m

San Antonio

mié. 12/31

6:50 am-12:35 pm

1 stop4h 45m

$260

New YorkSan Antonio

JFK - SAT

JFKSAT

New York John F Kennedy Intl

vie. 10/31

7:35 am-10:51 am

Nonstop4h 16m

San Antonio

jue. 11/6

12:02 pm-5:00 pm

Nonstop3h 58m

$261

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

San Antonio flights insights and trends

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

Prices

Other information

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of October, then book flights to San Antonio from United States during September instead. Flights to San Antonio in September, while not as cheap as those in October, still average around $319.

What is the absolute cheapest flight to San Antonio?

Users booking trips to San Antonio from Houston found flights 86% 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.

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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 Thursday when prices can be found for as low as $412. 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 $546.

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 United States to San Antonio in the evening for as low as $223. 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 $448. 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 $406 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 $303 on momondo.

Cheapest flights to San Antonio

Find the cheapest flights to San Antonio from your nearest city or airport

Find flights from Los Angeles to San Antonio

CHEAPEST MONTH TO FLY TO SAN ANTONIO FROM LOS ANGELES	August	21% cheaper	Flying from Los Angeles to San Antonio costs on average just $187 in August
MOST EXPENSIVE MONTH TO FLY TO SAN ANTONIO FROM LOS ANGELES	December	17% more expensive	It costs about $276 for flights to San Antonio from Los Angeles in December
MOST POPULAR MONTH TO FLY TO SAN ANTONIO FROM LOS ANGELES	October	240% more users visited	More 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	$39
Best Round-Trip Price	$96
Fastest flight time	2h 14m
Popular in	December

The best one-way flight price to San Antonio from United States in the last 72 hours is $39 (Denver Intl to San Antonio).

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The best round-trip flight price to San Antonio from United States in the last 72 hours is $96 (Denver Intl to San Antonio).

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The fastest flight to San Antonio from United States takes 2h 14m (Denver Intl to San Antonio).

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December has the highest demand for flights to San Antonio, with a 8% price increase on average.

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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 22 days prior to their departure date when tickets on average are $391. 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 $280 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 $357. 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?

The number of operators available for flights to San Antonio Airport is 23 as of October 2025.

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.

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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.