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Cheap flights from Washington, D.C. Reagan-National Airport to San Antonio from $60

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 2/10. 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

Enter your travel dates to find the best prices.
American Airlines Logo
5:25 pm - 8:25 pm
DCA
-
SAT
4h 00mnonstop
American Airlines Logo
6:20 am - 10:22 am
SAT
-
DCA
3h 02mnonstop
$249American Airlines
Wed, Feb 4 - Sun, Feb 8
Multiple Airlines Logo
8:01 am - 9:18 am
DCA
-
SAT
26h 17m1 stop
Multiple Airlines Logo
6:30 am - 1:02 pm
SAT
-
DCA
29h 32m2 stops
$250Multiple Airlines
Thu, Jan 8 - Mon, Jan 12
Frontier Logo
6:00 pm - 9:18 am
DCA
-
SAT
16h 18m1 stop
Frontier Logo
10:13 am - 9:59 pm
SAT
-
DCA
10h 46m1 stop
$252Frontier
Wed, Jan 7 - Sun, Jan 11
Multiple Airlines Logo
6:00 pm - 11:52 pm
DCA
-
SAT
30h 52m2 stops
Multiple Airlines Logo
8:24 pm - 9:59 pm
SAT
-
DCA
24h 35m1 stop
$255Multiple Airlines
Mon, Jan 19 - Mon, Jan 26
Multiple Airlines Logo
6:00 pm - 9:18 am
DCA
-
SAT
16h 18m1 stop
Multiple Airlines Logo
6:30 am - 6:00 pm
SAT
-
DCA
10h 30m1 stop
$261Multiple Airlines
Thu, Jan 8 - Mon, Jan 12
United Airlines Logo
8:30 am - 3:46 pm
DCA
-
SAT
8h 16m1 stop
United Airlines Logo
4:17 pm - 10:15 pm
SAT
-
DCA
4h 58m1 stop
$264United Airlines
Wed, Apr 15 - Mon, Apr 20
Frontier Logo
2:00 pm - 3:00 pm
DCA
-
SAT
26h 00m1 stop
Frontier Logo
10:13 am - 9:59 pm
SAT
-
DCA
10h 46m1 stop
$266Frontier
Fri, Jan 9 - Sun, Jan 11
Delta Logo
6:00 am - 11:37 am
DCA
-
SAT
6h 37m1 stop
Delta Logo
1:34 pm - 7:32 pm
SAT
-
DCA
4h 58m1 stop
$269Delta
Thu, Feb 12 - Tue, Feb 17
Frontier Logo
6:00 pm - 7:01 pm
DCA
-
SAT
26h 01m1 stop
Frontier Logo
1:57 pm - 9:59 pm
SAT
-
DCA
31h 02m2 stops
$270Frontier
Fri, Feb 20 - Thu, Feb 26
Frontier Logo
2:00 pm - 3:00 pm
DCA
-
SAT
26h 00m1 stop
Frontier Logo
3:55 pm - 4:59 pm
SAT
-
DCA
24h 04m1 stop
$271Frontier
Tue, Jan 6 - Sat, Jan 10

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
Feb 4
DCA5:25 pmWashington, D.C. Reagan-National
4h 00m
SAT8:25 pmSan Antonio
Feb 8
SAT6:20 amSan Antonio
3h 02m
DCA10:22 amWashington, D.C. Reagan-National
$249
Find similar
American Airlines
Jan 27
DCA6:59 amWashington, D.C. Reagan-National
6h 02m
1 stop
SAT12:01 pmSan Antonio
Jan 31
SAT6:41 amSan Antonio
3h 02m
DCA10:43 amWashington, D.C. Reagan-National
$275
Find similar
American Airlines
Jan 9
DCA5:25 pmWashington, D.C. Reagan-National
4h 00m
SAT8:25 pmSan Antonio
Jan 14
SAT6:41 amSan Antonio
3h 02m
DCA10:43 amWashington, D.C. Reagan-National
$279
Find similar

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

Our best Frontier deals on Washington, D.C. Reagan-National Airport to San Antonio flight tickets
Frontier
Jan 7
DCA6:00 pmWashington, D.C. Reagan-National
16h 18m
1 stop
SAT9:18 amSan Antonio
Jan 11
SAT10:13 amSan Antonio
10h 46m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$252
Find similar
Frontier
Dec 25
DCA2:00 pmWashington, D.C. Reagan-National
11h 17m
1 stop
SAT12:17 amSan Antonio
Jan 8
SAT10:13 amSan Antonio
10h 46m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$253
Find similar
Frontier
Jan 9
DCA2:00 pmWashington, D.C. Reagan-National
26h 00m
1 stop
SAT3:00 pmSan Antonio
Jan 11
SAT10:13 amSan Antonio
10h 46m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$266
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to San Antonio 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 December 23, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Wed 2/4

5:25 pm-8:25 pm

Nonstop4h 00m

San Antonio

Sun 2/8

6:20 am-10:22 am

Nonstop3h 02m

$249

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Thu 1/8

8:01 am-9:18 am

1 stop26h 17m

San Antonio

Mon 1/12

6:30 am-1:02 pm

2 stops29h 32m

$250

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Wed 1/7

6:00 pm-9:18 am

1 stop16h 18m

San Antonio

Sun 1/11

10:13 am-9:59 pm

1 stop10h 46m

$252

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Mon 1/19

6:00 pm-11:52 pm

2 stops30h 52m

San Antonio

Mon 1/26

8:24 pm-9:59 pm

1 stop24h 35m

$255

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Thu 1/8

6:00 pm-9:18 am

1 stop16h 18m

San Antonio

Mon 1/12

6:30 am-6:00 pm

1 stop10h 30m

$261

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Wed 4/15

8:30 am-3:46 pm

1 stop8h 16m

San Antonio

Mon 4/20

4:17 pm-10:15 pm

1 stop4h 58m

$264

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Fri 1/9

2:00 pm-3:00 pm

1 stop26h 00m

San Antonio

Sun 1/11

10:13 am-9:59 pm

1 stop10h 46m

$266

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Thu 2/12

6:00 am-11:37 am

1 stop6h 37m

San Antonio

Tue 2/17

1:34 pm-7:32 pm

1 stop4h 58m

$269

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Fri 2/20

6:00 pm-7:01 pm

1 stop26h 01m

San Antonio

Thu 2/26

1:57 pm-9:59 pm

2 stops31h 02m

$270

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Tue 1/6

2:00 pm-3:00 pm

1 stop26h 00m

San Antonio

Sat 1/10

3:55 pm-4:59 pm

1 stop24h 04m

$271

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 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 cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of February, then book flights to San Antonio from Washington, D.C. Reagan-National Airport during September instead. Flights to San Antonio in September, while not as cheap as those in February, still average around $289.

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 $341. 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 $490.

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 $317. 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 $397. 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 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $352 when searching 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 $272 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.

Can stopping save me money on Washington, D.C. Reagan-National Airport to San Antonio flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Reagan-National Airport to San Antonio.

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

As of December 2025, prices for Washington, D.C. Reagan-National Airport to San Antonio flights are approximately 18% 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

$249

Fastest flight time

3h 59m

Direct flights

Every day

Airports in San Antonio

1 airport
The best flight deal from Washington, D.C. Reagan-National Airport to San Antonio found on momondo in the last 72 hours is $249
The fastest flight from Washington, D.C. Reagan-National Airport to San Antonio takes 3h 59m
Direct flights go from Washington, D.C. Reagan-National Airport to San Antonio every day.
There is 1 airport in San Antonio. From Washington, D.C. Reagan-National Airport there are direct flights to San Antonio (SAT).
Search flight deals

  • 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 59m.

  • 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
SouthwestPriceFrom $208Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
American AirlinesPriceFrom $229Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.9
8,014 reviews
Search Delta flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,105 reviews
Search United Airlines 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 $208. Generally, Southwest has 8 flights on this route every week with an average price of $423. Southwest is rated 8.0/10 by our users.

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

    Another popular option for Washington, D.C. Reagan-National Airport to San Antonio flights is United Airlines (7.4/10, 9,105 ratings). United Airlines flies from Washington, D.C. Reagan-National Airport to San Antonio around 4 times per week, with deals starting from $258 round-trip and rising to an average price of around $386.

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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