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Cheap flights from San Antonio to Washington, D.C. Reagan-National Airport from $72

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. Reagan-National Airport departing on 3/25. 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.
2:18 pm - 9:59 pmSAT-DCA
6h 41m1 stop
7:00 am - 1:54 pmDCA-SAT
7h 54m1 stop
$145Frontier
Find Deal
Tue, Apr 1 - Tue, Apr 8
2:18 pm - 9:59 pmSAT-DCA
6h 41m1 stop
7:00 am - 1:54 pmDCA-SAT
7h 54m1 stop
$155Frontier
Find Deal
Thu, Apr 3 - Tue, Apr 8
6:35 am - 10:41 amSAT-DCA
3h 06mnonstop
7:45 pm - 10:25 pmDCA-SAT
3h 40mnonstop
$179American Airlines
Find Deal
Wed, Apr 2 - Wed, Apr 23
6:32 am - 10:54 amSAT-DCA
3h 22mnonstop
7:49 pm - 10:12 pmDCA-SAT
3h 23mnonstop
$204American Airlines
Find Deal
Mon, Jun 30 - Sat, Jul 26
1:45 pm - 7:25 pmSAT-DCA
4h 40m1 stop
5:47 pm - 10:40 pmDCA-SAT
5h 53m1 stop
$237Delta
Find Deal
Wed, Apr 2 - Wed, Apr 23
6:50 am - 1:55 pmSAT-DCA
6h 05m1 stop
6:05 am - 10:25 amDCA-SAT
5h 20m1 stop
$244Southwest
Find Deal
Sun, Aug 10 - Tue, Aug 12
4:15 pm - 11:43 pmSAT-DCA
6h 28m1 stop
7:59 am - 12:38 pmDCA-SAT
5h 39m1 stop
$247Delta
Find Deal
Mon, May 19 - Tue, May 20
2:00 pm - 11:00 pmSAT-DCA
8h 00m1 stop
6:55 pm - 12:25 amDCA-SAT
6h 30m1 stop
$269Southwest
Find Deal
Fri, May 16 - Mon, May 19
2:08 pm - 9:05 pmSAT-DCA
5h 57m1 stop
12:42 pm - 5:54 pmDCA-SAT
6h 12m1 stop
$373United Airlines
Find Deal
Tue, May 6 - Sun, May 11
5:59 pm - 11:59 pmSAT-DCA
5h 00m1 stop
11:05 am - 5:46 pmDCA-SAT
7h 41m1 stop
$387United Airlines
Find Deal
Thu, Mar 27 - Mon, Mar 31

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
Apr 1
SAT2:18 pmSan Antonio
6h 41m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Apr 8
DCA7:00 amWashington, D.C. Reagan-National
7h 54m
1 stop
SAT1:54 pmSan Antonio
Frontier
Apr 3
SAT2:18 pmSan Antonio
6h 41m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Apr 8
DCA7:00 amWashington, D.C. Reagan-National
7h 54m
1 stop
SAT1:54 pmSan Antonio
Frontier
Apr 5
SAT2:18 pmSan Antonio
6h 41m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Apr 8
DCA7:00 amWashington, D.C. Reagan-National
7h 54m
1 stop
SAT1:54 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
Aug 10
SAT6:50 amSan Antonio
6h 05m
1 stop
DCA1:55 pmWashington, D.C. Reagan-National
Aug 12
DCA6:05 amWashington, D.C. Reagan-National
5h 20m
1 stop
SAT10:25 amSan Antonio
Southwest
May 16
SAT2:00 pmSan Antonio
8h 00m
1 stop
DCA11:00 pmWashington, D.C. Reagan-National
May 19
DCA6:55 pmWashington, D.C. Reagan-National
6h 30m
1 stop
SAT12:25 amSan Antonio
Southwest
Aug 12
SAT11:15 amSan Antonio
5h 00m
1 stop
DCA5:15 pmWashington, D.C. Reagan-National
Aug 13
DCA12:00 pmWashington, D.C. Reagan-National
7h 20m
2 stops
SAT6:20 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 July is also cheap. Prices for this month can be found on momondo for an average of $322.

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 Wednesday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Wednesday will often find tickets for as low as $308. Flights from San Antonio to Washington, D.C. Reagan-National Airport on a Tuesday will generally be more expensive and average around $374. 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 10 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $360 when searching 10 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 $271 on momondo.

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

There are 2 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 March 2025, prices for San Antonio to Washington, D.C. Reagan-National Airport flights are approximately 19% cheaper 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

$72

Fastest flight time

3h 06m

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 $72. 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 $145.
The fastest flight from San Antonio to Washington, D.C. Reagan-National Airport takes 3h 06m
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 06m 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 $110Free CancellationRating
6.0
3,294 reviews
Search Frontier flights
SouthwestPriceFrom $204Free CancellationRating
8.0
4,297 reviews
Search Southwest flights
American AirlinesPriceFrom $218Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
8.0
7,953 reviews
Search Delta flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
8,623 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 14 Southwest flights for this route in a normal week, average airfare is usually $447 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 7 times per week, with deals starting from $218 round-trip and rising to an average price of around $362.


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
Linthicum Heights
Glen Burnie
Rockville
Fairfax
Towson
Reston
Hanover
Hyattsville

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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