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Cheap flights from San Antonio to Washington, D.C. from $126

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:20 pm - 12:09 pmSAT  San Antonio-DCA Washington, D.C. Reagan-National
14h 49m1 stop Denver Intl
Frontier Logo
1:33 pm - 7:56 pmDCA  Washington, D.C. Reagan-National-SAT San Antonio
7h 23m1 stop Denver Intl
$284Frontier
Tue, Nov 17 - Thu, Dec 3
Frontier Logo
8:20 pm - 12:09 pmSAT  San Antonio-DCA Washington, D.C. Reagan-National
14h 49m1 stop Denver Intl
Frontier Logo
1:33 pm - 7:56 pmDCA  Washington, D.C. Reagan-National-SAT San Antonio
7h 23m1 stop Denver Intl
$284Frontier
Wed, Nov 18 - Fri, Dec 4
Southwest Logo
3:55 pm - 10:40 pmSAT  San Antonio-DCA Washington, D.C. Reagan-National
5h 45m1 stop Lambert-St Louis
Southwest Logo
6:10 am - 10:55 amDCA  Washington, D.C. Reagan-National-SAT San Antonio
5h 45m1 stop Nashville Intl
$286Southwest
Fri, Feb 5 - Wed, Feb 10
American Airlines Logo
6:00 am - 10:18 amSAT  San Antonio-DCA Washington, D.C. Reagan-National
3h 18mnonstop
American Airlines Logo
5:00 pm - 7:59 pmDCA  Washington, D.C. Reagan-National-SAT San Antonio
3h 59mnonstop
$291American Airlines
Wed, Nov 11 - Sat, Nov 14
Southwest Logo
1:20 pm - 8:40 pmSAT  San Antonio-DCA Washington, D.C. Reagan-National
6h 20m2 stops Houston Hobby Dallas Love Field
Southwest Logo
6:10 am - 10:55 amDCA  Washington, D.C. Reagan-National-SAT San Antonio
5h 45m1 stop Nashville Intl
$291Southwest
Fri, Feb 5 - Wed, Feb 10
American Airlines Logo
6:00 am - 10:18 amSAT  San Antonio-DCA Washington, D.C. Reagan-National
3h 18mnonstop
American Airlines Logo
5:30 pm - 8:29 pmDCA  Washington, D.C. Reagan-National-SAT San Antonio
3h 59mnonstop
$292American Airlines
Mon, Nov 9 - Tue, Nov 17
Delta Logo
12:57 pm - 10:26 pmSAT  San Antonio-DCA Washington, D.C. Reagan-National
8h 29m1 stop New York John F Kennedy Intl
Delta Logo
2:59 pm - 9:26 pmDCA  Washington, D.C. Reagan-National-SAT San Antonio
7h 27m1 stop Minneapolis St Paul
$311Delta
Mon, Nov 9 - Mon, Nov 16
United Airlines Logo
4:19 pm - 10:15 pmSAT  San Antonio-DCA Washington, D.C. Reagan-National
4h 56m1 stop Houston George Bush Intcntl
United Airlines Logo
6:00 am - 10:46 amDCA  Washington, D.C. Reagan-National-SAT San Antonio
5h 46m1 stop Houston George Bush Intcntl
$377United Airlines
Sat, Nov 21 - Tue, Nov 24
Delta Logo
2:00 pm - 10:01 pmSAT  San Antonio-DCA Washington, D.C. Reagan-National
7h 01m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:28 pm - 10:54 pmDCA  Washington, D.C. Reagan-National-SAT San Antonio
6h 26m1 stop Detroit Metropolitan Wayne County
$389Delta
Sat, Nov 21 - Sun, Nov 22
United Airlines Logo
5:58 pm - 11:59 pmSAT  San Antonio-DCA Washington, D.C. Reagan-National
5h 01m1 stop Houston George Bush Intcntl
United Airlines Logo
5:05 pm - 10:59 pmDCA  Washington, D.C. Reagan-National-SAT San Antonio
6h 54m1 stop Chicago O'Hare Intl
$394United Airlines
Fri, Dec 18 - Mon, Jan 4

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Frontier flights from San Antonio to Washington, D.C. Reagan-National Airport

Our best Frontier deals on San Antonio to Washington, D.C. Reagan-National Airport flight tickets
Frontier
Nov 17
SAT8:20 pmSan Antonio
14h 49m
1 stop
DCA12:09 pmWashington, D.C. Reagan-National
Dec 3
DCA1:33 pmWashington, D.C. Reagan-National
7h 23m
1 stop
SAT7:56 pmSan Antonio
$284
Frontier
Dec 7
SAT8:47 pmSan Antonio
19h 08m
1 stop
DCA4:55 pmWashington, D.C. Reagan-National
Dec 10
DCA1:40 pmWashington, D.C. Reagan-National
7h 22m
1 stop
SAT8:02 pmSan Antonio
$285
Frontier
Nov 13
SAT8:11 pmSan Antonio
24h 39m
1 stop
DCA9:50 pmWashington, D.C. Reagan-National
Nov 15
DCA7:00 amWashington, D.C. Reagan-National
13h 25m
1 stop
SAT7:25 pmSan Antonio
$286

Southwest flights from San Antonio to Washington, D.C. Reagan-National Airport

Our best Southwest deals on San Antonio to Washington, D.C. Reagan-National Airport flight tickets
Southwest
Dec 1
SAT1:00 pmSan Antonio
8h 00m
2 stops
DCA10:00 pmWashington, D.C. Reagan-National
Dec 10
DCA2:10 pmWashington, D.C. Reagan-National
7h 25m
2 stops
SAT8:35 pmSan Antonio
$306
Southwest
Jan 29
SAT6:40 amSan Antonio
4h 35m
1 stop
DCA12:15 pmWashington, D.C. Reagan-National
Jan 31
DCA12:20 pmWashington, D.C. Reagan-National
5h 20m
1 stop
SAT4:40 pmSan Antonio
$312
Southwest
Jan 29
SAT3:25 pmSan Antonio
7h 20m
2 stops
DCA11:45 pmWashington, D.C. Reagan-National
Jan 31
DCA12:20 pmWashington, D.C. Reagan-National
5h 20m
1 stop
SAT4:40 pmSan Antonio
$322

momondo Fare Finder

 
Use the filters below to find and compare flights from San Antonio to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioWashington, D.C.

SAT San Antonio - DCA Washington, D.C. Reagan-National

SATDCA

San Antonio

Tue 11/17

8:20 pm-12:09 pm

1 stop14h 49m

Washington, D.C. Reagan-National

Thu 12/3

1:33 pm-7:56 pm

1 stop7h 23m

$284

San AntonioWashington, D.C.

SAT San Antonio - DCA Washington, D.C. Reagan-National

SATDCA

San Antonio

Wed 11/18

8:20 pm-12:09 pm

1 stop14h 49m

Washington, D.C. Reagan-National

Fri 12/4

1:33 pm-7:56 pm

1 stop7h 23m

$284

San AntonioWashington, D.C.

SAT San Antonio - DCA Washington, D.C. Reagan-National

SATDCA

San Antonio

Fri 2/5

3:55 pm-10:40 pm

1 stop5h 45m

Washington, D.C. Reagan-National

Wed 2/10

6:10 am-10:55 am

1 stop5h 45m

$286
Quickest round-trip

San AntonioWashington, D.C.

SAT San Antonio - DCA Washington, D.C. Reagan-National

SATDCA

San Antonio

Wed 11/11

6:00 am-10:18 am

Nonstop3h 18m

Washington, D.C. Reagan-National

Sat 11/14

5:00 pm-7:59 pm

Nonstop3h 59m

$291

San AntonioWashington, D.C.

SAT San Antonio - DCA Washington, D.C. Reagan-National

SATDCA

San Antonio

Fri 2/5

1:20 pm-8:40 pm

2 stops6h 20m

Washington, D.C. Reagan-National

Wed 2/10

6:10 am-10:55 am

1 stop5h 45m

$291

San AntonioWashington, D.C.

SAT San Antonio - DCA Washington, D.C. Reagan-National

SATDCA

San Antonio

Mon 11/9

6:00 am-10:18 am

Nonstop3h 18m

Washington, D.C. Reagan-National

Tue 11/17

5:30 pm-8:29 pm

Nonstop3h 59m

$292

San AntonioWashington, D.C.

SAT San Antonio - DCA Washington, D.C. Reagan-National

SATDCA

San Antonio

Mon 11/9

12:57 pm-10:26 pm

1 stop8h 29m

Washington, D.C. Reagan-National

Mon 11/16

2:59 pm-9:26 pm

1 stop7h 27m

$311

San AntonioWashington, D.C.

SAT San Antonio - DCA Washington, D.C. Reagan-National

SATDCA

San Antonio

Sat 11/21

4:19 pm-10:15 pm

1 stop4h 56m

Washington, D.C. Reagan-National

Tue 11/24

6:00 am-10:46 am

1 stop5h 46m

$377

San AntonioWashington, D.C.

SAT San Antonio - DCA Washington, D.C. Reagan-National

SATDCA

San Antonio

Sat 11/21

2:00 pm-10:01 pm

1 stop7h 01m

Washington, D.C. Reagan-National

Sun 11/22

5:28 pm-10:54 pm

1 stop6h 26m

$389

San AntonioWashington, D.C.

SAT San Antonio - DCA Washington, D.C. Reagan-National

SATDCA

San Antonio

Fri 12/18

5:58 pm-11:59 pm

1 stop5h 01m

Washington, D.C. Reagan-National

Mon 1/4

5:05 pm-10:59 pm

1 stop6h 54m

$394

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 Washington, D.C. from

How to get the cheapest flight ticket from San Antonio to Washington, D.C. Reagan-National Airport

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 typical price of a round-trip flight between San Antonio and Washington, D.C. Reagan-National Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $366 to $582.
The lowest price recently found on this route was $284.

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of February is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from San Antonio, with most prices found around $345. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $363.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from San Antonio to Washington, D.C. Reagan-National Airport is on a Thursday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Thursday will often find tickets for as low as $385. Flights from San Antonio to Washington, D.C. Reagan-National Airport on a Monday will generally be more expensive and average around $506. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

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

How far in advance should I book a flight from San Antonio to Washington, D.C. Reagan-National Airport?

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $419 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from San Antonio for as low as $262 on momondo.

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

There are 3 cabin classes available to choose from on San Antonio to Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 17% on your flight if you consider stops on a San Antonio to Washington, D.C. Reagan-National Airport flight.

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

As of October 2026, prices for San Antonio to Washington, D.C. Reagan-National Airport flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from San Antonio to Washington, D.C. Reagan-National Airport

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

Cheap San Antonio to Washington, D.C. Reagan-National Airport (SAT to DCA) flight deals and tips

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

Best Price Found

$126

Fastest flight time

3h 10m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from San Antonio in the past 72 hours is $126. The best round-trip flight deal from San Antonio to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $284.
The fastest flight from San Antonio to Washington, D.C. Reagan-National Airport takes 3h 10m
Direct flights go from San Antonio to Washington, D.C. Reagan-National Airport every day.
Search flight deals

Frequently asked questions about flying from San Antonio to Washington, D.C. Reagan-National Airport

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

    San Antonio and Washington, D.C. Reagan-National are 1383.3 mi apart from one another. Typically, this will take 3h 10m by plane in normal conditions.

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

    Prices for flights from San Antonio Airport to Washington, D.C. Reagan-National Airport are updated daily.

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

  • How old do you have to be to fly from San Antonio Airport to Washington, D.C. Reagan-National 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 San Antonio Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The required travel and health documents for your Washington, D.C. Reagan-National 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 Washington, D.C. Reagan-National 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 San Antonio to Washington, D.C. Reagan-National Airport?

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

Best airlines flying from San Antonio to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from San Antonio to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $143Free CancellationRating
5.5
2,524 reviews
Search Frontier flights
DeltaPriceFrom $247Free CancellationRating
7.8
8,650 reviews
Search Delta flights
American AirlinesPriceFrom $264Free CancellationRating
7.0
12,182 reviews
Search American Airlines flights
United AirlinesPriceFrom $268Free CancellationRating
7.3
10,388 reviews
Search United Airlines flights
SouthwestPriceFrom $282Free CancellationRating
7.9
4,213 reviews
Search Southwest flights

  • Southwest Flights From San Antonio to Washington, D.C. Reagan-National Airport

    Southwest flight deals from San Antonio to Washington, D.C. Reagan-National Airport start from $282 round-trip. Over the 9 Southwest flights for this route in a normal week, average airfare is usually $382 round-trip - but some users have found much cheaper deals with momondo.

  • American Airlines Flights From San Antonio to Washington, D.C. Reagan-National Airport

    Another popular option for San Antonio to Washington, D.C. Reagan-National Airport flights is American Airlines (7.0/10, 12,182 ratings). American Airlines flies from San Antonio to Washington, D.C. Reagan-National Airport around 7 times per week, with deals starting from $264 round-trip and rising to an average price of around $449.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Fredericksburg
Waldorf
Laurel
Woodbridge
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Fairfax
Springfield
Edgewood
Glen Burnie
College Park
Colonial Beach
Bethesda

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Washington, D.C.?

It is quick and easy to find San Antonio to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

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

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

momondo helps you find the best flight between San Antonio and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Washington, D.C. from San Antonio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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