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Cheap flights from Washington, D.C. Reagan-National Airport to San Antonio from $55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to San Antonio departing on 4/8. 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 Washington, D.C. Reagan-National Airport to San Antonio

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. Reagan-National Airport to San Antonio that have been recently found on momondo from popular airlines, departing in the coming months.
7:00 am - 1:54 pmDCA-SAT
7h 54m1 stop
2:44 pm - 12:04 pmSAT-DCA
20h 20m1 stop
$112Frontier
Find Deal
ter, abr 8 - ter, abr 15
6:00 pm - 7:35 pmDCA-SAT
26h 35m1 stop
6:25 pm - 12:07 pmSAT-DCA
16h 42m1 stop
$160Frontier
Find Deal
sáb, mai 3 - ter, mai 6
7:45 pm - 10:43 pmDCA-SAT
3h 58mnonstop
6:35 am - 10:41 amSAT-DCA
3h 06mnonstop
$189American Airlines
Find Deal
qua, mar 19 - sáb, mar 22
7:45 pm - 10:43 pmDCA-SAT
3h 58mnonstop
6:35 am - 10:41 amSAT-DCA
3h 06mnonstop
$209American Airlines
Find Deal
qua, mar 19 - dom, mar 23
6:00 pm - 11:20 pmDCA-SAT
6h 20m1 stop
6:06 pm - 11:59 pmSAT-DCA
4h 53m1 stop
$230United Airlines
Find Deal
ter, mar 25 - seg, mar 31
5:47 pm - 10:40 pmDCA-SAT
5h 53m1 stop
5:20 am - 11:52 amSAT-DCA
5h 32m1 stop
$237Delta
Find Deal
ter, abr 29 - qua, mai 7
6:00 am - 11:35 amDCA-SAT
6h 35m1 stop
4:45 pm - 11:10 pmSAT-DCA
5h 25m1 stop
$243Delta
Find Deal
qua, abr 2 - seg, abr 7
6:00 am - 11:16 amDCA-SAT
6h 16m1 stop
5:59 pm - 11:59 pmSAT-DCA
5h 00m1 stop
$270United Airlines
Find Deal
qui, mai 1 - qua, mai 7
12:40 pm - 5:15 pmDCA-SAT
5h 35m1 stop
1:05 pm - 8:55 pmSAT-DCA
6h 50m1 stop
$293Southwest
Find Deal
qui, mar 27 - sáb, mar 29
6:05 am - 1:20 pmDCA-SAT
8h 15m2 stops
1:05 pm - 8:55 pmSAT-DCA
6h 50m1 stop
$303Southwest
Find Deal
qui, mar 27 - sáb, mar 29

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

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to San Antonio flight tickets
American Airlines
Mar 19
DCA7:45 pmWashington, D.C. Reagan-National
3h 58m
SAT10:43 pmSan Antonio
Mar 22
SAT6:35 amSan Antonio
3h 06m
DCA10:41 amWashington, D.C. Reagan-National
American Airlines
Mar 19
DCA7:45 pmWashington, D.C. Reagan-National
3h 58m
SAT10:43 pmSan Antonio
Mar 23
SAT6:35 amSan Antonio
3h 06m
DCA10:41 amWashington, D.C. Reagan-National
American Airlines
Mar 24
DCA7:45 pmWashington, D.C. Reagan-National
3h 58m
SAT10:43 pmSan Antonio
Mar 31
SAT6:35 amSan Antonio
3h 06m
DCA10:41 amWashington, D.C. Reagan-National

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

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to San Antonio flight tickets
United Airlines
Mar 25
DCA6:00 pmWashington, D.C. Reagan-National
6h 20m
1 stop
SAT11:20 pmSan Antonio
Mar 31
SAT6:06 pmSan Antonio
4h 53m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
United Airlines
May 1
DCA6:00 amWashington, D.C. Reagan-National
6h 16m
1 stop
SAT11:16 amSan Antonio
May 7
SAT5:59 pmSan Antonio
5h 00m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
United Airlines
Mar 12
DCA11:00 amWashington, D.C. Reagan-National
5h 47m
1 stop
SAT3:47 pmSan Antonio
Mar 13
SAT12:30 pmSan Antonio
5h 12m
1 stop
DCA6:42 pmWashington, D.C. Reagan-National

See travel insights to San Antonio from

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

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 Washington, D.C. Reagan-National Airport and San Antonio?

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from Washington, D.C. Reagan-National Airport during February instead. Flights to San Antonio in February, while not as cheap as those in August, still average around $335.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $378. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $498.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Washington, D.C. Reagan-National Airport to San Antonio in the evening for as low as $309. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the afternoon, with an average ticket price of $422. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from Washington, D.C. Reagan-National Airport when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $375 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Washington, D.C. Reagan-National Airport for as low as $249 on momondo.

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

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

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

As of February 2025, prices for Washington, D.C. Reagan-National Airport to San Antonio flights are approximately 39% more expensive when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$55

Fastest flight time

3h 39m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Washington, D.C. Reagan-National Airport in the past 72 hours is $55. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to San Antonio found on momondo in the last 72 hours is $112.
The fastest flight from Washington, D.C. Reagan-National Airport to San Antonio takes 3h 39m
Direct flights go from Washington, D.C. Reagan-National Airport to San Antonio every day.
There is 1 airport near San Antonio: San Antonio (SAT)

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

    Washington, D.C. Reagan-National and San Antonio are 1383.3 mi apart from one another. A reasonable flight in good conditions will take 3h 39m.

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

    Prices for flights from Washington, D.C. Reagan-National Airport to San Antonio Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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


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

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $128Free CancellationRating
6.0
3,355 reviews
Search Frontier flights
United AirlinesPriceFrom $234Free CancellationRating
7.4
8,766 reviews
Search United Airlines flights
DeltaPriceFrom $247Free CancellationRating
8.0
8,220 reviews
Search Delta flights
American AirlinesPriceFrom $248Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $263Free CancellationRating
8.1
4,411 reviews
Search Southwest flights
  • Southwest Flights From Washington, D.C. Reagan-National Airport to San Antonio

    The lowest priced Southwest flight from Washington, D.C. Reagan-National Airport to San Antonio from the last 72 hours was $263. Generally, Southwest has 4 flights on this route every week with an average price of $507. Southwest is rated 8.1/10 by our users.


Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Schertz
Pleasanton

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to San Antonio. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to San Antonio from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to San Antonio from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to San Antonio from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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