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Cheap flights from Washington, D.C. to San Antonio from $60

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to San Antonio departing on 2/10. 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 Washington, D.C. to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 am - 8:14 am
BWI
-
SAT
25h 14m1 stop
Multiple Airlines Logo
10:35 am - 11:34 pm
SAT
-
BWI
11h 59m1 stop
$137Multiple Airlines
Wed, Jan 14 - Thu, Jan 15
Multiple Airlines Logo
8:00 am - 8:14 am
BWI
-
SAT
25h 14m1 stop
Multiple Airlines Logo
6:30 am - 11:47 pm
SAT
-
BWI
16h 17m1 stop
$160Multiple Airlines
Wed, Jan 14 - Sat, Jan 17
Multiple Airlines Logo
5:26 pm - 11:59 pm
BWI
-
SAT
7h 33m1 stop
Multiple Airlines Logo
1:57 pm - 6:59 pm
SAT
-
BWI
28h 02m1 stop
$165Multiple Airlines
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
5:26 pm - 11:59 pm
BWI
-
SAT
7h 33m1 stop
Multiple Airlines Logo
8:14 pm - 2:13 pm
SAT
-
BWI
16h 59m1 stop
$167Multiple Airlines
Thu, Feb 19 - Sun, Feb 22
United Airlines Logo
5:50 pm - 8:56 pm
IAD
-
SAT
4h 06mnonstop
United Airlines Logo
7:25 am - 11:34 am
SAT
-
IAD
3h 09mnonstop
$249United Airlines
Wed, Jan 14 - Sun, Jan 25
American Airlines Logo
5:37 pm - 8:43 pm
DCA
-
SAT
4h 06mnonstop
American Airlines Logo
6:00 am - 10:13 am
SAT
-
DCA
3h 13mnonstop
$249American Airlines
Fri, Feb 20 - Thu, Feb 26
United Airlines Logo
8:15 am - 11:19 am
IAD
-
SAT
4h 04mnonstop
United Airlines Logo
9:00 am - 5:35 pm
SAT
-
IAD
7h 35m1 stop
$259United Airlines
Thu, Jan 15 - Tue, Jan 20
Delta Logo
7:59 am - 12:45 pm
DCA
-
SAT
5h 46m1 stop
Delta Logo
1:40 pm - 7:32 pm
SAT
-
DCA
4h 52m1 stop
$269Delta
Wed, Jan 14 - Tue, Jan 20
Delta Logo
12:09 pm - 5:15 pm
IAD
-
SAT
6h 06m1 stop
Delta Logo
4:00 pm - 11:06 pm
SAT
-
IAD
6h 06m1 stop
$269Delta
Thu, Jan 15 - Tue, Jan 20
Southwest Logo
9:05 am - 9:55 pm
IAD
-
SAT
13h 50m1 stop
Southwest Logo
6:25 am - 4:50 pm
SAT
-
IAD
9h 25m1 stop
$274Southwest
Tue, Jan 20 - Wed, Jan 21

Spirit Airlines flights from Washington, D.C. to San Antonio

Our best Spirit Airlines deals on Washington, D.C. to San Antonio flight tickets
Spirit Airlines
Jan 20
BWI11:30 amBaltimore/Washington
13h 22m
1 stop
SAT11:52 pmSan Antonio
Jan 23
SAT10:35 amSan Antonio
7h 28m
1 stop
BWI7:03 pmBaltimore/Washington
$183
Find similar
Spirit Airlines
Feb 3
BWI11:30 amBaltimore/Washington
13h 22m
1 stop
SAT11:52 pmSan Antonio
Feb 6
SAT10:35 amSan Antonio
20h 56m
1 stop
BWI8:31 amBaltimore/Washington
$184
Find similar
Spirit Airlines
Jan 24
BWI4:44 pmBaltimore/Washington
8h 08m
1 stop
SAT11:52 pmSan Antonio
Jan 26
SAT10:35 amSan Antonio
12h 01m
1 stop
BWI11:36 pmBaltimore/Washington
$190
Find similar

American Airlines flights from Washington, D.C. to San Antonio

Our best American Airlines deals on Washington, D.C. to San Antonio flight tickets
American Airlines
Feb 4
DCA5:25 pmWashington, D.C. Reagan-National
4h 00m
SAT8:25 pmSan Antonio
Feb 8
SAT6:20 amSan Antonio
3h 02m
DCA10:22 amWashington, D.C. Reagan-National
$249
Find similar
American Airlines
Jan 27
DCA6:59 amWashington, D.C. Reagan-National
6h 02m
1 stop
SAT12:01 pmSan Antonio
Jan 31
SAT6:41 amSan Antonio
3h 02m
DCA10:43 amWashington, D.C. Reagan-National
$275
Find similar
American Airlines
Jan 9
DCA5:25 pmWashington, D.C. Reagan-National
4h 00m
SAT8:25 pmSan Antonio
Jan 14
SAT6:41 amSan Antonio
3h 02m
DCA10:43 amWashington, D.C. Reagan-National
$279
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 December 23, 2025.
Use the filters below to find and compare flights from Washington, D.C. to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Wed 1/14

8:00 am-8:14 am

1 stop25h 14m

San Antonio

Thu 1/15

10:35 am-11:34 pm

1 stop11h 59m

$137

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Wed 1/14

8:00 am-8:14 am

1 stop25h 14m

San Antonio

Sat 1/17

6:30 am-11:47 pm

1 stop16h 17m

$160

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Thu 2/19

5:26 pm-11:59 pm

1 stop7h 33m

San Antonio

Mon 2/23

1:57 pm-6:59 pm

1 stop28h 02m

$165

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Thu 2/19

5:26 pm-11:59 pm

1 stop7h 33m

San Antonio

Sun 2/22

8:14 pm-2:13 pm

1 stop16h 59m

$167

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Wed 1/14

5:50 pm-8:56 pm

Nonstop4h 06m

San Antonio

Sun 1/25

7:25 am-11:34 am

Nonstop3h 09m

$249

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Fri 2/20

5:37 pm-8:43 pm

Nonstop4h 06m

San Antonio

Thu 2/26

6:00 am-10:13 am

Nonstop3h 13m

$249

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Thu 1/15

8:15 am-11:19 am

Nonstop4h 04m

San Antonio

Tue 1/20

9:00 am-5:35 pm

1 stop7h 35m

$259

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Wed 1/14

7:59 am-12:45 pm

1 stop5h 46m

San Antonio

Tue 1/20

1:40 pm-7:32 pm

1 stop4h 52m

$269

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Thu 1/15

12:09 pm-5:15 pm

1 stop6h 06m

San Antonio

Tue 1/20

4:00 pm-11:06 pm

1 stop6h 06m

$269

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Tue 1/20

9:05 am-9:55 pm

1 stop13h 50m

San Antonio

Wed 1/21

6:25 am-4:50 pm

1 stop9h 25m

$274

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 Washington, D.C. 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 August, then book flights to San Antonio from Washington, D.C. during October instead. Flights to San Antonio in October, while not as cheap as those in August, still average around $317.

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 $341. 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 Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $490.

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 Washington, D.C. to San Antonio in the evening for as low as $317. 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 afternoon, with an average ticket price of $397. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Washington, D.C. to San Antonio flight route?

Fly from Washington, D.C. Reagan-National to San Antonio for the best Washington, D.C. - 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 Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $384 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Washington, D.C. for as low as $303 on momondo.

What cabin class options are available on Washington, D.C. to San Antonio flights?

There are 4 cabin classes available to choose from on Washington, D.C. to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. to San Antonio flights?

You could potentially save up to 15% on your flight if you consider stops on a Washington, D.C. to San Antonio flight.

How have Washington, D.C. to San Antonio flight prices changed over time?

As of December 2025, prices for Washington, D.C. to San Antonio flights are approximately 90% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to San Antonio (WAS to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to San Antonio

Best Price Found

$253

Fastest flight time

3h 21m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Washington, D.C. in the past 72 hours is $253. The best round-trip flight deal from Washington, D.C. to San Antonio found on momondo in the last 72 hours is $249.
The fastest flight from Washington, D.C. to San Antonio takes 3h 21m
Direct flights go from Washington, D.C. to San Antonio every day.
There is 1 airport in San Antonio. From Washington, D.C. there are direct flights to San Antonio (SAT).
Search flight deals

  • How far is Washington, D.C. to San Antonio by plane?

    San Antonio is 1384.8 mi away from Washington, D.C.. A reasonable flight in good conditions will take 3h 21m.

  • When did momondo last update prices for flights from Washington, D.C. to San Antonio Airport?

    Prices for flights from Washington, D.C. to San Antonio Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. to San Antonio Airport?

  • How old do you have to be to fly from Washington, D.C. 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 from Washington, D.C. 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 Washington, D.C. to San Antonio?

  • What is the most popular airline from Washington, D.C. to San Antonio?

Best airlines flying from Washington, D.C. to San Antonio

Compare and see reviews for airlines that fly from Washington, D.C. to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $114Free CancellationRating
6.3
8,194 reviews
Search Spirit Airlines flights
FrontierPriceFrom $120Free CancellationRating
5.8
3,074 reviews
Search Frontier flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
SouthwestPriceFrom $181Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,014 reviews
Search Delta flights
United AirlinesPriceFrom $240Free CancellationRating
7.4
9,106 reviews
Search United Airlines flights

  • Southwest Flights From Washington, D.C. to San Antonio

    Southwest is one of the most popular airlines flying from Washington, D.C. to San Antonio, operating 8 flights/week on average for this route. A good Southwest flight deal for Washington, D.C. to San Antonio starts from $181 round-trip, up to an average price of $393. Our users have rated Southwest at 8.0/10.

  • United Airlines Flights From Washington, D.C. to San Antonio

    The best United Airlines deal for Washington, D.C. to San Antonio flight tickets found on momondo in the last 72 hours was $240, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $386 round-trip. United Airlines operates 20 flights out of Washington, D.C. into San Antonio in an average week, so prices vary by time and availability. 9,106 United Airlines reviews by users on momondo have scored the airline 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 Washington, D.C. to San Antonio?

Finding the right flight to San Antonio from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Antonio quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to San Antonio with flexible booking policies on momondo?

Yes. All flights to San Antonio from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to San Antonio?

Once all potential Washington, D.C. to San Antonio flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Washington, D.C. to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert, 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

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