Cheap flights from San Antonio to District of Columbia from $86

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 9/6. 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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Cheap round-trip flights

Southwest Logo
6:15 am - 3:15 pmSAT-DCA
8h 00m1 stop
Southwest Logo
4:50 pm - 9:00 pmDCA-SAT
5h 10m1 stop
$171Southwest
Find Deal
Sat, Nov 1 - Sat, Nov 1
Southwest Logo
2:05 pm - 8:55 pmSAT-DCA
5h 50m1 stop
Southwest Logo
11:35 am - 6:05 pmDCA-SAT
7h 30m1 stop
$179Southwest
Find Deal
Sat, Aug 30 - Wed, Sep 3
American Airlines Logo
6:30 am - 10:52 amSAT-DCA
3h 22mnonstop
American Airlines Logo
7:59 pm - 10:36 pmDCA-SAT
3h 37mnonstop
$215American Airlines
Find Deal
Sat, Aug 30 - Wed, Sep 3
American Airlines Logo
6:30 am - 10:52 amSAT-DCA
3h 22mnonstop
American Airlines Logo
7:59 pm - 10:36 pmDCA-SAT
3h 37mnonstop
$231American Airlines
Find Deal
Wed, Aug 27 - Wed, Sep 3
Frontier Logo
5:40 pm - 12:15 amSAT-IAD
5h 35m1 stop
Frontier Logo
6:10 am - 10:48 amIAD-SAT
5h 38m1 stop
$236Frontier
Find Deal
Mon, Sep 15 - Thu, Sep 18
Delta Logo
3:50 pm - 11:26 pmSAT-IAD
6h 36m1 stop
Delta Logo
6:15 pm - 11:34 pmIAD-SAT
6h 19m1 stop
$237Delta
Find Deal
Tue, Sep 2 - Fri, Sep 5
Frontier Logo
5:38 pm - 12:19 amSAT-IAD
5h 41m1 stop
Frontier Logo
7:46 pm - 8:05 amIAD-SAT
13h 19m1 stop
$238Frontier
Find Deal
Fri, Aug 15 - Sun, Aug 17
United Airlines Logo
7:07 am - 11:19 amSAT-IAD
3h 12mnonstop
United Airlines Logo
8:15 am - 11:06 amIAD-SAT
3h 51mnonstop
$240United Airlines
Find Deal
Wed, Nov 5 - Sun, Nov 9
United Airlines Logo
12:01 pm - 4:21 pmSAT-IAD
3h 20mnonstop
United Airlines Logo
6:30 am - 11:58 amIAD-SAT
6h 28m1 stop
$241United Airlines
Find Deal
Tue, Sep 16 - Tue, Oct 7
Delta Logo
11:35 am - 7:37 pmSAT-IAD
7h 02m1 stop
Delta Logo
5:55 pm - 11:59 pmIAD-SAT
7h 04m1 stop
$251Delta
Find Deal
Sat, Sep 13 - Tue, Sep 16

Delta flights from San Antonio to District of Columbia

Our best Delta deals on San Antonio to District of Columbia flight tickets
Delta
Sep 2
SAT3:50 pmSan Antonio
6h 36m
1 stop
IAD11:26 pmWashington, D.C. Dulles Intl
Sep 5
IAD6:15 pmWashington, D.C. Dulles Intl
6h 19m
1 stop
SAT11:34 pmSan Antonio
Delta
Sep 13
SAT11:35 amSan Antonio
7h 02m
1 stop
IAD7:37 pmWashington, D.C. Dulles Intl
Sep 16
IAD5:55 pmWashington, D.C. Dulles Intl
7h 04m
1 stop
SAT11:59 pmSan Antonio
Delta
Sep 12
SAT4:31 pmSan Antonio
5h 35m
1 stop
IAD11:06 pmWashington, D.C. Dulles Intl
Sep 16
IAD9:50 amWashington, D.C. Dulles Intl
6h 46m
1 stop
SAT3:36 pmSan Antonio

Frontier flights from San Antonio to District of Columbia

Our best Frontier deals on San Antonio to District of Columbia flight tickets
Frontier
Aug 12
SAT3:06 pmSan Antonio
14h 28m
1 stop
IAD6:34 amWashington, D.C. Dulles Intl
Aug 14
IAD1:29 pmWashington, D.C. Dulles Intl
21h 01m
1 stop
SAT9:30 amSan Antonio
Frontier
Sep 15
SAT5:40 pmSan Antonio
5h 35m
1 stop
IAD12:15 amWashington, D.C. Dulles Intl
Sep 18
IAD6:10 amWashington, D.C. Dulles Intl
5h 38m
1 stop
SAT10:48 amSan Antonio
Frontier
Aug 15
SAT5:38 pmSan Antonio
5h 41m
1 stop
IAD12:19 amWashington, D.C. Dulles Intl
Aug 17
IAD7:46 pmWashington, D.C. Dulles Intl
13h 19m
1 stop
SAT8:05 amSan Antonio

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 August 4, 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

Sat 11/1

6:15 am-3:15 pm

1 stop8h 00m

Washington, D.C. Reagan-National

Sat 11/1

4:50 pm-9:00 pm

1 stop5h 10m

$171

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Sat 8/30

2:05 pm-8:55 pm

1 stop5h 50m

Washington, D.C. Reagan-National

Wed 9/3

11:35 am-6:05 pm

1 stop7h 30m

$179

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Sat 8/30

6:30 am-10:52 am

Nonstop3h 22m

Washington, D.C. Reagan-National

Wed 9/3

7:59 pm-10:36 pm

Nonstop3h 37m

$215

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Wed 8/27

6:30 am-10:52 am

Nonstop3h 22m

Washington, D.C. Reagan-National

Wed 9/3

7:59 pm-10:36 pm

Nonstop3h 37m

$231

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Mon 9/15

5:40 pm-12:15 am

1 stop5h 35m

Washington, D.C. Dulles Intl

Thu 9/18

6:10 am-10:48 am

1 stop5h 38m

$236

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Tue 9/2

3:50 pm-11:26 pm

1 stop6h 36m

Washington, D.C. Dulles Intl

Fri 9/5

6:15 pm-11:34 pm

1 stop6h 19m

$237

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Fri 8/15

5:38 pm-12:19 am

1 stop5h 41m

Washington, D.C. Dulles Intl

Sun 8/17

7:46 pm-8:05 am

1 stop13h 19m

$238

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Wed 11/5

7:07 am-11:19 am

Nonstop3h 12m

Washington, D.C. Dulles Intl

Sun 11/9

8:15 am-11:06 am

Nonstop3h 51m

$240

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Tue 9/16

12:01 pm-4:21 pm

Nonstop3h 20m

Washington, D.C. Dulles Intl

Tue 10/7

6:30 am-11:58 am

1 stop6h 28m

$241

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Sat 9/13

11:35 am-7:37 pm

1 stop7h 02m

Washington, D.C. Dulles Intl

Tue 9/16

5:55 pm-11:59 pm

1 stop7h 04m

$251

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 $264. If you don’t want to visit District of Columbia in June, then you should wait until August to fly from San Antonio, when ticket prices are also cheap, with an average price of $303.

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 $414. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday 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 $644.

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 $1,034. 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 Baltimore/Washington 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 $404 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 $263 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?

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

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

$86

Fastest flight time

3h 09m

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 $86. The best round-trip flight deal from San Antonio to District of Columbia found on momondo in the last 72 hours is $171.
The fastest flight from San Antonio to District of Columbia takes 3h 09m
Direct flights go from San Antonio to District of Columbia every day.
There are 2 airports near District of Columbia: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)

  • 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 $85Free CancellationRating
5.8
3,232 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $107Free CancellationRating
6.3
8,053 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $192Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $204Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
DeltaPriceFrom $216Free CancellationRating
8.0
7,987 reviews
Search Delta flights
United AirlinesPriceFrom $239Free CancellationRating
7.4
8,912 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.


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1 adult
Sat 8/9
Sat 8/16

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