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Cheap flights from San Antonio to Washington, D.C. from $90

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 Washington, D.C. departing on 5/28. 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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Find the cheapest flights from San Antonio to Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from San Antonio to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.
American Airlines Logo
6:34 am - 10:55 amSAT-DCA
3h 21mnonstop
American Airlines Logo
7:45 pm - 10:24 pmDCA-SAT
3h 39mnonstop
$205American Airlines
Find Deal
Wed, May 21 - Wed, May 28
American Airlines Logo
6:34 am - 10:55 amSAT-DCA
3h 21mnonstop
American Airlines Logo
7:45 pm - 10:24 pmDCA-SAT
3h 39mnonstop
$229American Airlines
Find Deal
Wed, May 21 - Tue, Jun 3
American Airlines Logo
6:30 am - 10:53 amSAT-DCA
3h 23mnonstop
American Airlines Logo
7:59 pm - 10:38 pmDCA-SAT
3h 39mnonstop
$231American Airlines
Find Deal
Tue, Jul 8 - Tue, Jul 15
Delta Logo
4:35 pm - 11:15 pmSAT-DCA
5h 40m1 stop
Delta Logo
2:55 pm - 11:07 pmDCA-SAT
9h 12m1 stop
$243Delta
Find Deal
Fri, May 30 - Tue, Jun 3
Delta Logo
6:25 am - 1:58 pmSAT-DCA
6h 33m1 stop
Delta Logo
9:39 am - 3:36 pmDCA-SAT
6h 57m1 stop
$249Delta
Find Deal
Sat, Jun 14 - Tue, Jun 24
United Airlines Logo
5:56 pm - 11:59 pmSAT-DCA
5h 03m1 stop
United Airlines Logo
6:00 am - 1:16 pmDCA-SAT
8h 16m1 stop
$251United Airlines
Find Deal
Sat, Jun 28 - Wed, Jul 2
Southwest Logo
11:15 am - 5:15 pmSAT-DCA
5h 00m1 stop
Southwest Logo
6:55 am - 11:00 amDCA-SAT
5h 05m1 stop
$264Southwest
Find Deal
Wed, Sep 17 - Thu, Sep 18
Frontier Logo
3:22 pm - 12:07 pmSAT-DCA
19h 45m1 stop
Frontier Logo
7:00 am - 2:17 pmDCA-SAT
8h 17m1 stop
$268Frontier
Find Deal
Fri, May 16 - Mon, May 19
United Airlines Logo
6:45 am - 2:13 pmSAT-DCA
6h 28m1 stop
United Airlines Logo
6:00 am - 10:44 amDCA-SAT
5h 44m1 stop
$284United Airlines
Find Deal
Fri, May 23 - Mon, May 26
Southwest Logo
3:35 pm - 11:55 pmSAT-DCA
7h 20m1 stop
Southwest Logo
6:10 am - 1:20 pmDCA-SAT
8h 10m2 stops
$304Southwest
Find Deal
Mon, Jul 7 - Thu, Jul 10

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

Our best American Airlines deals on San Antonio to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
May 21
SAT6:34 amSan Antonio
3h 21m
DCA10:55 amWashington, D.C. Reagan-National
May 28
DCA7:45 pmWashington, D.C. Reagan-National
3h 39m
SAT10:24 pmSan Antonio
American Airlines
May 21
SAT6:34 amSan Antonio
3h 21m
DCA10:55 amWashington, D.C. Reagan-National
Jun 3
DCA7:45 pmWashington, D.C. Reagan-National
3h 39m
SAT10:24 pmSan Antonio
American Airlines
Jul 8
SAT6:30 amSan Antonio
3h 23m
DCA10:53 amWashington, D.C. Reagan-National
Jul 15
DCA7:59 pmWashington, D.C. Reagan-National
3h 39m
SAT10:38 pmSan Antonio

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
Sep 17
SAT11:15 amSan Antonio
5h 00m
1 stop
DCA5:15 pmWashington, D.C. Reagan-National
Sep 18
DCA6:55 amWashington, D.C. Reagan-National
5h 05m
1 stop
SAT11:00 amSan Antonio
Southwest
Jul 7
SAT3:35 pmSan Antonio
7h 20m
1 stop
DCA11:55 pmWashington, D.C. Reagan-National
Jul 10
DCA6:10 amWashington, D.C. Reagan-National
8h 10m
2 stops
SAT1:20 pmSan Antonio
Southwest
Jul 4
SAT6:00 amSan Antonio
9h 40m
1 stop
DCA4:40 pmWashington, D.C. Reagan-National
Jul 7
DCA6:10 amWashington, D.C. Reagan-National
8h 10m
2 stops
SAT1:20 pmSan Antonio

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 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 $276. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $311.

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 Saturday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Saturday will often find tickets for as low as $293. Flights from San Antonio to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $366. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest San Antonio to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the evening. Our users have found flights to Washington, D.C. Reagan-National Airport in the evening for as low as $171. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the afternoon when prices are around $384.

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 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 24 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $355 when searching 24 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 $269 on momondo.

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

There are 3 cabin classes available to choose from on San Antonio to Washington, D.C. Reagan-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of April 2025, prices for San Antonio to Washington, D.C. Reagan-National Airport flights are approximately 11% 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

$90

Fastest flight time

3h 15m

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 $90. 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 $205.
The fastest flight from San Antonio to Washington, D.C. Reagan-National Airport takes 3h 15m
Direct flights go from San Antonio to Washington, D.C. Reagan-National Airport every day.

  • 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 21m 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 $85Free CancellationRating
5.9
3,287 reviews
Search Frontier flights
SouthwestPriceFrom $204Free CancellationRating
8.0
4,294 reviews
Search Southwest flights
American AirlinesPriceFrom $205Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $217Free CancellationRating
8.0
7,934 reviews
Search Delta flights
United AirlinesPriceFrom $264Free CancellationRating
7.4
8,696 reviews
Search United Airlines 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 $204 round-trip. Over the 8 Southwest flights for this route in a normal week, average airfare is usually $423 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 (7.2/10, 10,000 ratings). American Airlines flies from San Antonio to Washington, D.C. Reagan-National Airport around 3 times per week, with deals starting from $205 round-trip and rising to an average price of around $342.


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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Arlington
Gettysburg
National Harbor
Laurel
Silver Spring
Woodbridge
Tysons
Fredericksburg
Waldorf
Manassas
Gaithersburg
Towson
Rockville
Glen Burnie
Fairfax
Linthicum Heights
Reston
Hyattsville
Springfield

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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1 adult
Mon 5/5
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