What is the cheapest airline that flies from San Antonio to Washington, D.C. Reagan-National?

Delta, United Airlines, and Southwest are the most popular carriers operating from San Antonio to Washington, D.C. Reagan-National

What airlines fly to Washington, D.C. Reagan-National Airport?

American Airlines, Southwest and Delta are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from San Antonio according to our data. American Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 6 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from San Antonio Airport to Washington, D.C. Reagan-National Airport is 5 as of April 2026.

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.

$130 Cheap Flights from San Antonio to Washington, D.C. Reagan-National Airport in 2026

Q: 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 $398 to $307. The lowest price recently found on this route was $309.

Q: How many flights depart from San Antonio to Washington, D.C. Reagan-National Airport on average per week?

11 flights are operational weekly from San Antonio to Washington, D.C. Reagan-National Airport as of April 2026. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.

Q: How many flights depart from San Antonio to Washington, D.C. Reagan-National Airport on average per day?

As of April 2026, 1 flights take off from San Antonio and land in Washington, D.C. Reagan-National Airport each day. The most common flight departure time for this route is 6:00AM, with 100% of daily flights taking off at noon.

1 adult

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

Round-trip

One-way

Last minute

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Cheap round-trip flights

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11:50 am - 6:59 pm

SAT

DCA

6h 09m

1 stop

7:30 pm - 12:44 am

DCA

SAT

6h 14m

1 stop

$309Delta

Wed, May 20 - Sat, May 23

7:54 pm - 12:59 pm

SAT

DCA

16h 05m

1 stop

7:00 am - 6:59 pm

DCA

SAT

12h 59m

1 stop

$314Frontier

Thu, May 21 - Sun, May 24

7:51 pm - 9:59 pm

SAT

DCA

25h 08m

1 stop

1:59 pm - 6:56 pm

DCA

SAT

29h 57m

1 stop

$315Frontier

Wed, Jun 10 - Fri, Jun 12

7:00 am - 4:29 pm

SAT

DCA

8h 29m

1 stop

4:59 pm - 7:42 pm

DCA

SAT

3h 43mnonstop

$317American Airlines

Wed, May 20 - Sat, May 23

6:15 am - 10:34 am

SAT

DCA

3h 19mnonstop

5:00 am - 10:09 am

DCA

SAT

6h 09m

1 stop

$319American Airlines

Wed, May 27 - Wed, Sep 2

6:15 am - 10:34 am

SAT

DCA

3h 19mnonstop

5:00 am - 9:10 am

DCA

SAT

5h 10m

1 stop

$321American Airlines

Thu, May 21 - Wed, May 27

6:15 am - 10:34 am

SAT

DCA

3h 19mnonstop

6:32 pm - 9:15 pm

DCA

SAT

3h 43mnonstop

$323American Airlines

Sat, Jun 13 - Wed, Jun 17

1:33 pm - 11:24 pm

SAT

DCA

8h 51m

1 stop

7:30 pm - 12:44 am

DCA

SAT

6h 14m

1 stop

$329Delta

Thu, May 21 - Sat, May 23

6:15 am - 10:34 am

SAT

DCA

3h 19mnonstop

5:00 am - 9:10 am

DCA

SAT

5h 10m

1 stop

$333American Airlines

Sat, Jun 13 - Wed, Jun 17

12:30 pm - 8:45 pm

SAT

DCA

7h 15m

2 stops

6:30 pm - 11:10 pm

DCA

SAT

5h 40m

1 stop

$334Southwest

Wed, May 20 - Sat, May 23

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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

Jul 1

SAT11:25 amSan Antonio

9h 30m

1 stop

DCA9:55 pmWashington, D.C. Reagan-National

Jul 8

DCA6:55 pmWashington, D.C. Reagan-National

5h 45m

1 stop

SAT11:40 pmSan Antonio

$314

Southwest

May 20

SAT12:30 pmSan Antonio

7h 15m

2 stops

DCA8:45 pmWashington, D.C. Reagan-National

May 23

DCA6:30 pmWashington, D.C. Reagan-National

5h 40m

1 stop

SAT11:10 pmSan Antonio

$334

Southwest

Aug 4

SAT4:20 pmSan Antonio

5h 00m

1 stop

DCA10:20 pmWashington, D.C. Reagan-National

Aug 6

DCA3:30 pmWashington, D.C. Reagan-National

8h 25m

1 stop

SAT10:55 pmSan Antonio

$338

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 20

SAT7:00 amSan Antonio

8h 29m

1 stop

DCA4:29 pmWashington, D.C. Reagan-National

May 24

DCA6:32 pmWashington, D.C. Reagan-National

3h 43m

SAT9:15 pmSan Antonio

$317

American Airlines

May 27

SAT6:15 amSan Antonio

3h 19m

DCA10:34 amWashington, D.C. Reagan-National

Sep 2

DCA5:00 amWashington, D.C. Reagan-National

6h 09m

1 stop

SAT10:09 amSan Antonio

$319

American Airlines

May 21

SAT6:15 amSan Antonio

3h 19m

DCA10:34 amWashington, D.C. Reagan-National

May 27

DCA5:00 amWashington, D.C. Reagan-National

5h 10m

1 stop

SAT9:10 amSan Antonio

$321

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 - DCA

SATDCA

San Antonio

Wed 5/20

11:50 am-6:59 pm

1 stop6h 09m

Washington, D.C. Reagan-National

Sat 5/23

7:30 pm-12:44 am

1 stop6h 14m

$309

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Thu 5/21

7:54 pm-12:59 pm

1 stop16h 05m

Washington, D.C. Reagan-National

Sun 5/24

7:00 am-6:59 pm

1 stop12h 59m

$314

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Wed 6/10

7:51 pm-9:59 pm

1 stop25h 08m

Washington, D.C. Reagan-National

Fri 6/12

1:59 pm-6:56 pm

1 stop29h 57m

$315

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Wed 5/20

7:00 am-4:29 pm

1 stop8h 29m

Washington, D.C. Reagan-National

Sat 5/23

4:59 pm-7:42 pm

Nonstop3h 43m

$317

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Wed 5/27

6:15 am-10:34 am

Nonstop3h 19m

Washington, D.C. Reagan-National

Wed 9/2

5:00 am-10:09 am

1 stop6h 09m

$319

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Thu 5/21

6:15 am-10:34 am

Nonstop3h 19m

Washington, D.C. Reagan-National

Wed 5/27

5:00 am-9:10 am

1 stop5h 10m

$321

Quickest round-trip

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Sat 6/13

6:15 am-10:34 am

Nonstop3h 19m

Washington, D.C. Reagan-National

Wed 6/17

6:32 pm-9:15 pm

Nonstop3h 43m

$323

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Thu 5/21

1:33 pm-11:24 pm

1 stop8h 51m

Washington, D.C. Reagan-National

Sat 5/23

7:30 pm-12:44 am

1 stop6h 14m

$329

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Sat 6/13

6:15 am-10:34 am

Nonstop3h 19m

Washington, D.C. Reagan-National

Wed 6/17

5:00 am-9:10 am

1 stop5h 10m

$333

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Wed 5/20

12:30 pm-8:45 pm

2 stops7h 15m

Washington, D.C. Reagan-National

Sat 5/23

6:30 pm-11:10 pm

1 stop5h 40m

$334

Flights are sorted by cheapest round-trip flights first.

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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

Prices

Airlines

Other information

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

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

The month of September is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from San Antonio, with most prices found around $268. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $299.

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 $339. Flights from San Antonio to Washington, D.C. Reagan-National Airport on a Monday will generally be more expensive and average around $448. 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 $358 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 $209 on momondo.

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

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

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

As of April 2026, prices for San Antonio to Washington, D.C. Reagan-National Airport flights are approximately 20% 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	$228
Fastest flight time	3h 14m
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 $228. 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 $343.

The fastest flight from San Antonio to Washington, D.C. Reagan-National Airport takes 3h 14m

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 14m 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?
The number of operators available for flights from San Antonio Airport to Washington, D.C. Reagan-National Airport is 5 as of April 2026.
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?
Based on momondo bookings for flights between San Antonio and Washington, D.C. Reagan-National Airport, the leading plane model is Airbus A319, making up 28.86% of the total bookings. Other popular models include Boeing 737-700 with 16.96%, Boeing 737 MAX 9 with 12.15%, and Boeing 737 MAX 8 with 11.90%.
What is the most popular airline from San Antonio to Washington, D.C. Reagan-National Airport?
momondo data reveals that the most frequently booked airline on the route from San Antonio to Washington, D.C. Reagan-National Airport is American Airlines, representing 64% of all bookings. The subsequent popular airlines are Delta at 12%, Southwest at 11%, and United Airlines at 10%.

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
Delta	PriceFrom $118	Free Cancellation	Rating 7.9 8,463 reviews	Search Delta flights
Frontier	PriceFrom $143	Free Cancellation	Rating 5.6 2,969 reviews	Search Frontier flights
Southwest	PriceFrom $220	Free Cancellation	Rating 8.0 4,314 reviews	Search Southwest flights
American Airlines	PriceFrom $231	Free Cancellation	Rating 7.1 11,681 reviews	Search American Airlines flights
United Airlines	PriceFrom $264	Free Cancellation	Rating 7.4 9,677 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 $220 round-trip. Over the 5 Southwest flights for this route in a normal week, average airfare is usually $328 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 (7.1/10, 11,681 ratings). American Airlines flies from San Antonio to Washington, D.C. Reagan-National Airport around 6 times per week, with deals starting from $231 round-trip and rising to an average price of around $363.

Alexandria

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Arlington

Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Fredericksburg

Silver Spring

Rockville

Manassas

Linthicum Heights

Tysons

Bethesda

Springfield

Fairfax

College Park

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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Cheap flights from San Antonio to Washington, D.C. from $130

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 5/13. 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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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

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

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.

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

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

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

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

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

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

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

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

What is the cheapest airline that flies from San Antonio to Washington, D.C. Reagan-National?

What airlines fly to Washington, D.C. Reagan-National Airport?

How many flights depart from San Antonio to Washington, D.C. Reagan-National Airport on average per day?

How many flights depart from San Antonio to Washington, D.C. Reagan-National Airport on average per week?

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

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

Fastest flight time

Direct flights

Frequently asked questions about flying 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

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

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

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