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Cheap flights from San Antonio to District of Columbia from $62

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to District of Columbia departing on 1/6. 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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Find the cheapest flights from San Antonio to District of Columbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:22 pm - 12:04 pm
SAT
-
DCA
14h 42m1 stop
Frontier Logo
8:00 am - 6:22 pm
DCA
-
SAT
11h 22m1 stop
$263Frontier
Fri, Feb 13 - Sun, Feb 15
Frontier Logo
8:24 pm - 1:02 pm
SAT
-
DCA
15h 38m1 stop
Frontier Logo
8:00 am - 7:33 pm
DCA
-
SAT
12h 33m1 stop
$266Frontier
Thu, Jan 22 - Mon, Jan 26
Delta Logo
4:00 pm - 11:09 pm
SAT
-
IAD
6h 09m1 stop
Delta Logo
5:20 pm - 10:19 pm
IAD
-
SAT
5h 59m1 stop
$269Delta
Sat, Mar 7 - Wed, Mar 11
Delta Logo
4:00 pm - 10:57 pm
SAT
-
DCA
5h 57m1 stop
Delta Logo
6:00 am - 11:25 am
DCA
-
SAT
6h 25m1 stop
$269Delta
Sat, Mar 7 - Sat, Mar 14
American Airlines Logo
6:41 am - 10:43 am
SAT
-
DCA
3h 02mnonstop
American Airlines Logo
5:37 pm - 8:43 pm
DCA
-
SAT
4h 06mnonstop
$279American Airlines
Wed, Feb 11 - Mon, Feb 16
American Airlines Logo
6:41 am - 10:43 am
SAT
-
DCA
3h 02mnonstop
American Airlines Logo
5:25 pm - 8:25 pm
DCA
-
SAT
4h 00mnonstop
$283American Airlines
Fri, Jan 16 - Mon, Jan 19
Southwest Logo
6:25 am - 4:50 pm
SAT
-
IAD
9h 25m1 stop
Southwest Logo
5:30 am - 2:50 pm
IAD
-
SAT
10h 20m2 stops
$308Southwest
Mon, Feb 2 - Fri, Feb 6
United Airlines Logo
5:15 am - 11:28 am
SAT
-
IAD
5h 13m1 stop
United Airlines Logo
6:30 am - 12:14 pm
IAD
-
SAT
6h 44m1 stop
$314United Airlines
Tue, Dec 30 - Sun, Jan 4
Southwest Logo
10:50 am - 7:05 pm
SAT
-
IAD
7h 15m1 stop
Southwest Logo
9:05 am - 5:00 pm
IAD
-
SAT
8h 55m1 stop
$315Southwest
Mon, Jan 5 - Wed, Jan 7
United Airlines Logo
2:05 pm - 9:17 pm
SAT
-
IAD
6h 12m1 stop
United Airlines Logo
8:15 am - 11:19 am
IAD
-
SAT
4h 04mnonstop
$316United Airlines
Sun, Jan 18 - Fri, Jan 30

Southwest flights from San Antonio to District of Columbia

Our best Southwest deals on San Antonio to District of Columbia flight tickets
Southwest
Jan 6
SAT6:25 amSan Antonio
9h 25m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
Jan 9
IAD9:05 amWashington, D.C. Dulles Intl
8h 55m
1 stop
SAT5:00 pmSan Antonio
$269
Find similar
Southwest
Mar 10
SAT11:10 amSan Antonio
8h 25m
2 stops
DCA8:35 pmWashington, D.C. Reagan-National
Mar 14
DCA4:25 pmWashington, D.C. Reagan-National
9h 45m
1 stop
SAT1:10 amSan Antonio
$292
Find similar
Southwest
Jan 13
SAT4:40 pmSan Antonio
4h 40m
1 stop
DCA10:20 pmWashington, D.C. Reagan-National
Jan 27
DCA10:35 amWashington, D.C. Reagan-National
8h 05m
2 stops
SAT5:40 pmSan Antonio
$298
Find similar

Delta flights from San Antonio to District of Columbia

Our best Delta deals on San Antonio to District of Columbia flight tickets
Delta
Mar 7
SAT4:00 pmSan Antonio
5h 57m
1 stop
DCA10:57 pmWashington, D.C. Reagan-National
Mar 14
DCA6:00 amWashington, D.C. Reagan-National
6h 25m
1 stop
SAT11:25 amSan Antonio
$269
Find similar
Delta
Jan 8
SAT4:29 pmSan Antonio
6h 08m
1 stop
IAD11:37 pmWashington, D.C. Dulles Intl
Jan 14
IAD6:20 amWashington, D.C. Dulles Intl
7h 25m
1 stop
SAT12:45 pmSan Antonio
$270
Find similar
Delta
Jan 6
SAT1:40 pmSan Antonio
5h 57m
1 stop
IAD8:37 pmWashington, D.C. Dulles Intl
Jan 7
IAD6:15 pmWashington, D.C. Dulles Intl
6h 08m
1 stop
SAT11:23 pmSan Antonio
$293
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to District of Columbia 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 16, 2025.
Use the filters below to find and compare flights from San Antonio to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Fri 2/13

8:22 pm-12:04 pm

1 stop14h 42m

Washington, D.C. Reagan-National

Sun 2/15

8:00 am-6:22 pm

1 stop11h 22m

$263

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Thu 1/22

8:24 pm-1:02 pm

1 stop15h 38m

Washington, D.C. Reagan-National

Mon 1/26

8:00 am-7:33 pm

1 stop12h 33m

$266

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Sat 3/7

4:00 pm-11:09 pm

1 stop6h 09m

Washington, D.C. Dulles Intl

Wed 3/11

5:20 pm-10:19 pm

1 stop5h 59m

$269

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Sat 3/7

4:00 pm-10:57 pm

1 stop5h 57m

Washington, D.C. Reagan-National

Sat 3/14

6:00 am-11:25 am

1 stop6h 25m

$269

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Wed 2/11

6:41 am-10:43 am

Nonstop3h 02m

Washington, D.C. Reagan-National

Mon 2/16

5:37 pm-8:43 pm

Nonstop4h 06m

$279

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Fri 1/16

6:41 am-10:43 am

Nonstop3h 02m

Washington, D.C. Reagan-National

Mon 1/19

5:25 pm-8:25 pm

Nonstop4h 00m

$283

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Mon 2/2

6:25 am-4:50 pm

1 stop9h 25m

Washington, D.C. Dulles Intl

Fri 2/6

5:30 am-2:50 pm

2 stops10h 20m

$308

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Tue 12/30

5:15 am-11:28 am

1 stop5h 13m

Washington, D.C. Dulles Intl

Sun 1/4

6:30 am-12:14 pm

1 stop6h 44m

$314

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Mon 1/5

10:50 am-7:05 pm

1 stop7h 15m

Washington, D.C. Dulles Intl

Wed 1/7

9:05 am-5:00 pm

1 stop8h 55m

$315

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Sun 1/18

2:05 pm-9:17 pm

1 stop6h 12m

Washington, D.C. Dulles Intl

Fri 1/30

8:15 am-11:19 am

Nonstop4h 04m

$316

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 District of Columbia from

How to get the cheapest flight ticket from San Antonio to District of Columbia

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 District of Columbia?

In general, June is the cheapest month to fly from San Antonio to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $259. If you don’t want to visit District of Columbia in June, then you should wait until September to fly from San Antonio, when ticket prices are also cheap, with an average price of $269.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Thursday when prices can be found for as low as $394. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from San Antonio because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $604.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from San Antonio at noon is the least expensive time of day to depart. momondo users have found prices as low as $308 when looking at flights departing at noon. Flights to District of Columbia are more costly in the afternoon, with an average ticket price of $987. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

Fly from San Antonio to Washington, D.C. Reagan-National for the best San Antonio - District of Columbia flight prices

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $364 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from San Antonio for as low as $250 on momondo.

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

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

You could potentially save up to 9% on your flight if you consider stops on a San Antonio to District of Columbia flight.

Cheap San Antonio to District of Columbia flight deals and tips

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

Best Price Found

$148

Fastest flight time

3h 02m

Direct flights

Every day

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from San Antonio in the past 72 hours is $148. The best round-trip flight deal from San Antonio to District of Columbia found on momondo in the last 72 hours is $368.
The fastest flight from San Antonio to District of Columbia takes 3h 02m
Direct flights go from San Antonio to District of Columbia every day.
There are 2 airports in District of Columbia. From San Antonio there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).
Search flight deals

  • When did momondo last update prices for flights from San Antonio Airport to District of Columbia?

    Prices for flights from San Antonio Airport to District of Columbia are updated daily.

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

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

    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 San Antonio Airport to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The necessary travel and health documents for your District of Columbia 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 San Antonio to District of Columbia?

Best airlines flying from San Antonio to District of Columbia

Compare and see reviews for airlines that fly from San Antonio to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $72Free CancellationRating
5.8
3,082 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $107Free CancellationRating
6.3
8,188 reviews
Search Spirit Airlines flights
DeltaPriceFrom $153Free CancellationRating
7.9
8,009 reviews
Search Delta flights
American AirlinesPriceFrom $185Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
SouthwestPriceFrom $194Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
United AirlinesPriceFrom $226Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to District of Columbia?

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 San Antonio to District of Columbia for you.

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

Yes. momondo enables you to select and highlight flights to District of Columbia from San Antonio with this policy.

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

Once all potential San Antonio to District of Columbia 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 San Antonio to District of Columbia right now. Can momondo alert me if prices change?

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

An easier way to manage your District of Columbia trip

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