Flights to San Antonio

$28 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 2/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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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
4:20 pm - 7:37 pm
DEN
-
SAT
2h 17mnonstop
Frontier Logo
8:22 pm - 9:47 pm
SAT
-
DEN
2h 25mnonstop
$87Frontier
Fri, Feb 27 - Mon, Mar 2
Frontier Logo
4:08 pm - 7:25 pm
DEN
-
SAT
2h 17mnonstop
Frontier Logo
8:22 pm - 9:47 pm
SAT
-
DEN
2h 25mnonstop
$88Frontier
Thu, Feb 26 - Mon, Mar 2
Spirit Airlines Logo
11:30 am - 11:59 pm
BWI
-
SAT
13h 29m
1 stop
Spirit Airlines Logo
10:26 am - 5:46 pm
SAT
-
BWI
6h 20m
1 stop
$128Spirit Airlines
Tue, Mar 3 - Wed, Mar 4
Spirit Airlines Logo
4:45 pm - 11:59 pm
BWI
-
SAT
8h 14m
1 stop
Spirit Airlines Logo
10:26 am - 11:31 pm
SAT
-
BWI
12h 05m
1 stop
$139Spirit Airlines
Sat, Feb 28 - Tue, Mar 3
United Airlines Logo
5:30 pm - 8:28 pm
IAD
-
SAT
3h 58mnonstop
United Airlines Logo
7:05 am - 11:19 am
SAT
-
IAD
3h 14mnonstop
$249United Airlines
Fri, Feb 27 - Mon, Mar 2
United Airlines Logo
5:30 pm - 8:28 pm
IAD
-
SAT
3h 58mnonstop
United Airlines Logo
7:00 am - 4:05 pm
SAT
-
IAD
8h 05m
1 stop
$259United Airlines
Fri, Feb 27 - Mon, Mar 2
Delta Logo
3:42 pm - 10:28 pm
IAD
-
SAT
7h 46m
1 stop
Delta Logo
10:57 am - 7:20 pm
SAT
-
IAD
7h 23m
1 stop
$269Delta
Thu, Feb 19 - Sat, Feb 21
Delta Logo
6:44 pm - 9:47 pm
MSP
-
SAT
3h 03mnonstop
Delta Logo
6:12 pm - 9:00 pm
SAT
-
MSP
2h 48mnonstop
$339Delta
Thu, Apr 9 - Mon, Apr 13
Southwest Logo
5:45 pm - 1:05 am
MSP
-
SAT
7h 20m
1 stop
Southwest Logo
5:25 pm - 12:40 am
SAT
-
MSP
7h 15m
1 stop
$343Southwest
Mon, Mar 16 - Fri, Mar 20
Southwest Logo
2:45 pm - 12:50 am
MSP
-
SAT
10h 05m
1 stop
Southwest Logo
5:25 pm - 12:40 am
SAT
-
MSP
7h 15m
1 stop
$348Southwest
Thu, Mar 26 - Mon, Mar 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 January 28, 2026.
Use the filters below to find and compare flights to San Antonio that are best for you.

Fly from

Route

Depart

Return

Price

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Fri 2/27

4:20 pm-7:37 pm

Nonstop2h 17m

San Antonio

Mon 3/2

8:22 pm-9:47 pm

Nonstop2h 25m

$87

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Thu 2/26

4:08 pm-7:25 pm

Nonstop2h 17m

San Antonio

Mon 3/2

8:22 pm-9:47 pm

Nonstop2h 25m

$88

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Tue 3/3

11:30 am-11:59 pm

1 stop13h 29m

San Antonio

Wed 3/4

10:26 am-5:46 pm

1 stop6h 20m

$128

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Sat 2/28

4:45 pm-11:59 pm

1 stop8h 14m

San Antonio

Tue 3/3

10:26 am-11:31 pm

1 stop12h 05m

$139

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Fri 2/27

5:30 pm-8:28 pm

Nonstop3h 58m

San Antonio

Mon 3/2

7:05 am-11:19 am

Nonstop3h 14m

$249

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Fri 2/27

5:30 pm-8:28 pm

Nonstop3h 58m

San Antonio

Mon 3/2

7:00 am-4:05 pm

1 stop8h 05m

$259

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Thu 2/19

3:42 pm-10:28 pm

1 stop7h 46m

San Antonio

Sat 2/21

10:57 am-7:20 pm

1 stop7h 23m

$269

MinneapolisSan Antonio

MSP - SAT

MSPSAT

Minneapolis St Paul

Thu 4/9

6:44 pm-9:47 pm

Nonstop3h 03m

San Antonio

Mon 4/13

6:12 pm-9:00 pm

Nonstop2h 48m

$339

MinneapolisSan Antonio

MSP - SAT

MSPSAT

Minneapolis St Paul

Mon 3/16

5:45 pm-1:05 am

1 stop7h 20m

San Antonio

Fri 3/20

5:25 pm-12:40 am

1 stop7h 15m

$343

MinneapolisSan Antonio

MSP - SAT

MSPSAT

Minneapolis St Paul

Thu 3/26

2:45 pm-12:50 am

1 stop10h 05m

San Antonio

Mon 3/30

5:25 pm-12:40 am

1 stop7h 15m

$348

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 July instead. Flights to San Antonio in July, while not as cheap as those in September, still average around $319.

What is the absolute cheapest flight to San Antonio?

Users booking trips to San Antonio from Fort Lauderdale found flights 81% 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 $397. 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 $510.

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 $329. 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 $439. 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 $409 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 $295 on momondo.

Cheapest flights to San Antonio

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

Cheap San Antonio flight deals and tips

Summary info about San Antonio flight prices, duration and airlines

Best One-Way Price

$28

Best Round-Trip Price

$87

Fastest flight time

2h 16m

Popular in

December
The best one-way flight price to San Antonio from United States in the last 72 hours is $28 (Atlanta Hartsfield-Jackson to San Antonio).
The best round-trip flight price to San Antonio from United States in the last 72 hours is $87 (Denver Intl to San Antonio).
The fastest flight to San Antonio from United States takes 2h 16m (Denver Intl 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 86 days prior to their departure date when tickets on average are $407. 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 $299 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 $446. 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.

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1 adult
Fri 2/27
Fri 3/6

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