Cheap flights from District of Columbia to San Antonio from $63

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia 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.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:45 pm - 8:41 pm
DCA
-
SAT
3h 56mnonstop
American Airlines Logo
6:00 am - 10:11 am
SAT
-
DCA
3h 11mnonstop
$249American Airlines
Thu, Feb 12 - Sun, Feb 15
United Airlines Logo
8:15 am - 11:11 am
IAD
-
SAT
3h 56mnonstop
United Airlines Logo
7:05 am - 11:19 am
SAT
-
IAD
3h 14mnonstop
$249United Airlines
Thu, Feb 19 - Mon, Feb 23
Frontier Logo
8:59 am - 9:18 am
DCA
-
SAT
25h 19m1 stop
Frontier Logo
10:13 am - 1:01 pm
SAT
-
DCA
25h 48m1 stop
$252Frontier
Wed, Jan 7 - Sun, Jan 11
Multiple Airlines Logo
8:35 am - 11:52 pm
IAD
-
SAT
16h 17m1 stop
Multiple Airlines Logo
6:30 am - 12:36 pm
SAT
-
IAD
29h 06m1 stop
$253Multiple Airlines
Sun, Jan 11 - Sun, Jan 25
Frontier Logo
8:00 am - 4:17 pm
DCA
-
SAT
9h 17m1 stop
Frontier Logo
8:22 pm - 1:15 pm
SAT
-
DCA
15h 53m1 stop
$255Frontier
Wed, Feb 11 - Mon, Feb 16
Frontier Logo
6:00 pm - 12:17 am
DCA
-
SAT
7h 17m1 stop
Frontier Logo
10:13 am - 9:59 pm
SAT
-
DCA
10h 46m1 stop
$257Frontier
Thu, Jan 1 - Thu, Jan 8
Delta Logo
9:00 am - 3:24 pm
DCA
-
SAT
7h 24m1 stop
Delta Logo
4:29 pm - 10:33 pm
SAT
-
DCA
5h 04m1 stop
$269Delta
Fri, Jan 23 - Mon, Jan 26
Delta Logo
6:00 am - 11:21 am
IAD
-
SAT
6h 21m1 stop
Delta Logo
5:30 am - 11:35 am
SAT
-
IAD
5h 05m1 stop
$269Delta
Thu, Feb 19 - Sun, Feb 22
Southwest Logo
6:00 pm - 11:55 pm
DCA
-
SAT
6h 55m1 stop
Southwest Logo
5:25 am - 12:40 pm
SAT
-
DCA
6h 15m2 stops
$274Southwest
Sat, Mar 28 - Sat, Apr 4
Southwest Logo
9:05 am - 5:00 pm
IAD
-
SAT
8h 55m1 stop
Southwest Logo
6:10 am - 3:50 pm
SAT
-
IAD
8h 40m1 stop
$283Southwest
Sun, Jan 18 - Tue, Jan 20

United Airlines flights from District of Columbia to San Antonio

Our best United Airlines deals on District of Columbia to San Antonio flight tickets
United Airlines
Feb 19
IAD8:15 amWashington, D.C. Dulles Intl
3h 56m
SAT11:11 amSan Antonio
Feb 23
SAT7:05 amSan Antonio
3h 14m
IAD11:19 amWashington, D.C. Dulles Intl
United Airlines
Jan 29
IAD8:15 amWashington, D.C. Dulles Intl
5h 53m
1 stop
SAT1:08 pmSan Antonio
Feb 2
SAT12:15 pmSan Antonio
3h 09m
IAD4:24 pmWashington, D.C. Dulles Intl
United Airlines
Feb 19
DCA11:00 amWashington, D.C. Reagan-National
5h 38m
1 stop
SAT3:38 pmSan Antonio
Feb 24
SAT11:43 amSan Antonio
6h 01m
1 stop
DCA6:44 pmWashington, D.C. Reagan-National

Frontier flights from District of Columbia to San Antonio

Our best Frontier deals on District of Columbia to San Antonio flight tickets
Frontier
Jan 7
DCA8:59 amWashington, D.C. Reagan-National
25h 19m
1 stop
SAT9:18 amSan Antonio
Jan 11
SAT10:13 amSan Antonio
25h 48m
1 stop
DCA1:01 pmWashington, D.C. Reagan-National
Frontier
Feb 11
DCA8:00 amWashington, D.C. Reagan-National
9h 17m
1 stop
SAT4:17 pmSan Antonio
Feb 16
SAT8:22 pmSan Antonio
15h 53m
1 stop
DCA1:15 pmWashington, D.C. Reagan-National
Frontier
Jan 1
DCA6:00 pmWashington, D.C. Reagan-National
7h 17m
1 stop
SAT12:17 amSan Antonio
Jan 8
SAT10:13 amSan Antonio
10h 46m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 28, 2025.
Use the filters below to find and compare flights from District of Columbia to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Thu 2/12

5:45 pm-8:41 pm

Nonstop3h 56m

San Antonio

Sun 2/15

6:00 am-10:11 am

Nonstop3h 11m

$249

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Thu 2/19

8:15 am-11:11 am

Nonstop3h 56m

San Antonio

Mon 2/23

7:05 am-11:19 am

Nonstop3h 14m

$249

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Wed 1/7

8:59 am-9:18 am

1 stop25h 19m

San Antonio

Sun 1/11

10:13 am-1:01 pm

1 stop25h 48m

$252

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Sun 1/11

8:35 am-11:52 pm

1 stop16h 17m

San Antonio

Sun 1/25

6:30 am-12:36 pm

1 stop29h 06m

$253

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Wed 2/11

8:00 am-4:17 pm

1 stop9h 17m

San Antonio

Mon 2/16

8:22 pm-1:15 pm

1 stop15h 53m

$255

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Thu 1/1

6:00 pm-12:17 am

1 stop7h 17m

San Antonio

Thu 1/8

10:13 am-9:59 pm

1 stop10h 46m

$257

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Fri 1/23

9:00 am-3:24 pm

1 stop7h 24m

San Antonio

Mon 1/26

4:29 pm-10:33 pm

1 stop5h 04m

$269

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Thu 2/19

6:00 am-11:21 am

1 stop6h 21m

San Antonio

Sun 2/22

5:30 am-11:35 am

1 stop5h 05m

$269

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Sat 3/28

6:00 pm-11:55 pm

1 stop6h 55m

San Antonio

Sat 4/4

5:25 am-12:40 pm

2 stops6h 15m

$274

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Sun 1/18

9:05 am-5:00 pm

1 stop8h 55m

San Antonio

Tue 1/20

6:10 am-3:50 pm

1 stop8h 40m

$283

Flights are sorted by cheapest round-trip flights first.

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See travel insights to San Antonio from

How to get the cheapest flight ticket from District of Columbia 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 District of Columbia 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 $339. 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 $494.

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 District of Columbia 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 $396. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest District of Columbia to San Antonio flight route?

Fly from Washington, D.C. Reagan-National to San Antonio for the best District of Columbia - 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 District of Columbia 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 District of Columbia for as low as $303 on momondo.

What cabin class options are available on District of Columbia to San Antonio flights?

There are 4 cabin classes available to choose from on District of Columbia 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 District of Columbia to San Antonio flights?

No. A direct flight is the cheapest option for a flight between District of Columbia to San Antonio.

Cheap District of Columbia to San Antonio flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to San Antonio

Best Price Found

$148

Fastest flight time

3h 21m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from District of Columbia in the past 72 hours is $148. The best round-trip flight deal from District of Columbia to San Antonio found on momondo in the last 72 hours is $249.
The fastest flight from District of Columbia to San Antonio takes 3h 21m
Direct flights go from District of Columbia to San Antonio every day.
There is 1 airport in San Antonio. From District of Columbia there are direct flights to San Antonio (SAT).
  • When did momondo last update prices for flights from District of Columbia to San Antonio Airport?

    Prices for flights from District of Columbia to San Antonio Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from District of Columbia to San Antonio Airport?

  • How old do you have to be to fly from District of Columbia 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 District of Columbia to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from District of Columbia to San Antonio?

Best airlines flying from District of Columbia to San Antonio

Compare and see reviews for airlines that fly from District of Columbia to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $114Free CancellationRating
6.3
8,210 reviews
Search Spirit Airlines flights
FrontierPriceFrom $120Free CancellationRating
5.7
3,064 reviews
Search Frontier flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
11,070 reviews
Search American Airlines flights
SouthwestPriceFrom $181Free CancellationRating
8.0
4,256 reviews
Search Southwest flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,017 reviews
Search Delta flights
United AirlinesPriceFrom $240Free CancellationRating
7.4
9,114 reviews
Search United Airlines flights

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 District of Columbia 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 from District of Columbia to San Antonio for you.

Can I find flights from District of Columbia to San Antonio with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for District of Columbia to San Antonio flights to just show those with flexible booking policies.

How can momondo help me find flights from District of Columbia to San Antonio?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Antonio from District of Columbia.

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

If you are simply researching potential flights to San Antonio, momondo offers a useful price alert feature which will track prices for flights to San Antonio from District of Columbia and alert you when they change.

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Tue 1/27
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