Flights to San Antonio

$39 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 4/18. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from the United States to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:42 pm - 6:59 pm
DEN
-
SAT
2h 17mnonstop
Frontier Logo
7:54 pm - 9:23 pm
SAT
-
DEN
2h 29mnonstop
$108Frontier
Tue, May 5 - Sat, May 9
Frontier Logo
3:42 pm - 6:59 pm
DEN
-
SAT
2h 17mnonstop
Frontier Logo
7:54 pm - 9:23 pm
SAT
-
DEN
2h 29mnonstop
$112Frontier
Tue, May 12 - Fri, May 15
Southwest Logo
12:20 pm - 9:20 pm
LAX
-
SAT
7h 00m
1 stop
Southwest Logo
1:35 pm - 2:50 pm
SAT
-
LAX
3h 15mnonstop
$252Southwest
Tue, Apr 21 - Tue, Apr 28
Southwest Logo
2:40 pm - 10:00 pm
DCA
-
SAT
8h 20m
2 stops
Southwest Logo
5:25 am - 11:10 am
SAT
-
DCA
4h 45m
1 stop
$279Southwest
Wed, Apr 29 - Sun, May 3
Delta Logo
7:30 am - 12:42 pm
DCA
-
SAT
6h 12m
1 stop
Delta Logo
2:31 pm - 10:02 pm
SAT
-
DCA
6h 31m
1 stop
$289Delta
Wed, Apr 8 - Wed, Apr 15
Delta Logo
10:06 am - 3:22 pm
IAD
-
SAT
6h 16m
1 stop
Delta Logo
6:20 am - 2:04 pm
SAT
-
IAD
6h 44m
1 stop
$289Delta
Wed, Apr 8 - Wed, Apr 22
United Airlines Logo
12:31 pm - 5:43 pm
LGA
-
SAT
6h 12m
1 stop
United Airlines Logo
4:17 pm - 11:10 pm
SAT
-
LGA
5h 53m
1 stop
$294United Airlines
Wed, Apr 15 - Sat, Apr 18
United Airlines Logo
7:45 pm - 10:54 pm
ORD
-
SAT
3h 09mnonstop
United Airlines Logo
6:40 am - 9:38 am
SAT
-
ORD
2h 58mnonstop
$297United Airlines
Wed, May 20 - Wed, May 27
American Airlines Logo
2:29 pm - 8:51 pm
JFK
-
SAT
7h 22m
1 stop
American Airlines Logo
5:00 am - 11:34 am
SAT
-
JFK
5h 34m
1 stop
$299American Airlines
Sat, Apr 18 - Wed, Apr 22
American Airlines Logo
5:20 pm - 11:56 pm
JFK
-
SAT
7h 36m
1 stop
American Airlines Logo
5:00 am - 11:34 am
SAT
-
JFK
5h 34m
1 stop
$329American Airlines
Sat, Apr 25 - Sun, Apr 26

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 March 24, 2026.
Use the filters below to find and compare flights to San Antonio that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Tue 5/5

3:42 pm-6:59 pm

Nonstop2h 17m

San Antonio

Sat 5/9

7:54 pm-9:23 pm

Nonstop2h 29m

$108

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Tue 5/12

3:42 pm-6:59 pm

Nonstop2h 17m

San Antonio

Fri 5/15

7:54 pm-9:23 pm

Nonstop2h 29m

$112

Los AngelesSan Antonio

LAX - SAT

LAXSAT

Los Angeles

Tue 4/21

12:20 pm-9:20 pm

1 stop7h 00m

San Antonio

Tue 4/28

1:35 pm-2:50 pm

Nonstop3h 15m

$252

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Wed 4/29

2:40 pm-10:00 pm

2 stops8h 20m

San Antonio

Sun 5/3

5:25 am-11:10 am

1 stop4h 45m

$279

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Wed 4/8

7:30 am-12:42 pm

1 stop6h 12m

San Antonio

Wed 4/15

2:31 pm-10:02 pm

1 stop6h 31m

$289

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Wed 4/8

10:06 am-3:22 pm

1 stop6h 16m

San Antonio

Wed 4/22

6:20 am-2:04 pm

1 stop6h 44m

$289

New YorkSan Antonio

LGA - SAT

LGASAT

New York LaGuardia

Wed 4/15

12:31 pm-5:43 pm

1 stop6h 12m

San Antonio

Sat 4/18

4:17 pm-11:10 pm

1 stop5h 53m

$294

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Wed 5/20

7:45 pm-10:54 pm

Nonstop3h 09m

San Antonio

Wed 5/27

6:40 am-9:38 am

Nonstop2h 58m

$297

New YorkSan Antonio

JFK - SAT

JFKSAT

New York John F Kennedy Intl

Sat 4/18

2:29 pm-8:51 pm

1 stop7h 22m

San Antonio

Wed 4/22

5:00 am-11:34 am

1 stop5h 34m

$299

New YorkSan Antonio

JFK - SAT

JFKSAT

New York John F Kennedy Intl

Sat 4/25

5:20 pm-11:56 pm

1 stop7h 36m

San Antonio

Sun 4/26

5:00 am-11:34 am

1 stop5h 34m

$329

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 July instead. Flights to San Antonio in July, while not as cheap as those in September, still average around $338.

What is the absolute cheapest flight to San Antonio?

Users booking trips to San Antonio from Orlando found flights 78% 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 Thursday when prices can be found for as low as $400. 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 $553.

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 $389. 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 $437. 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 $420 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 $293 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 ANGELESSeptember36% cheaperFlying from Los Angeles to San Antonio costs on average just $167 in September
MOST EXPENSIVE MONTH TO FLY TO SAN ANTONIO FROM LOS ANGELESMarch49% more expensiveIt costs about $387 for flights to San Antonio from Los Angeles in March
MOST POPULAR MONTH TO FLY TO SAN ANTONIO FROM LOS ANGELESNovember209% more users visitedMore momondo users searched in flights to San Antonio from Los Angeles in November 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

$108

Fastest flight time

2h 19m

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).
The best round-trip flight price to San Antonio from United States in the last 72 hours is $108 (Denver Intl to San Antonio).
The fastest flight to San Antonio from United States takes 2h 19m (Denver Intl to San Antonio).
December has the highest demand for flights to San Antonio, with a 8% 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 86 days prior to their departure date when tickets on average are $412. 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 $279 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 $434. 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
Pleasanton
Schertz

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.

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 4/23
Thu 4/30

Find better results for your trip to San Antonio