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

American Airlines, Southwest and United Airlines 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 40% 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.

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

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

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 June 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.

$105 Cheap Flights from San Antonio to Washington, D.C. Reagan-National Airport in 2026

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

As of June 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.

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 $517 to $319. The lowest price recently found on this route was $314.

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

9 flights are operational weekly from San Antonio to Washington, D.C. Reagan-National Airport as of June 2026. The most popular departure day for this route is Mon, with 22% of flights per week taking off on this day.

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:35 pm - 10:55 pm

SAT

DCA

6h 20m

1 stop

6:15 am - 10:25 am

DCA

SAT

5h 10m

1 stop

$314Southwest

Wed, Jul 15 - Mon, Jul 20

7:45 am - 4:05 pm

SAT

DCA

7h 20m

2 stops

6:00 am - 11:15 am

DCA

SAT

6h 15m

1 stop

$318Southwest

Fri, Oct 2 - Tue, Oct 6

6:40 am - 11:02 am

SAT

DCA

3h 22mnonstop

5:00 am - 9:02 am

DCA

SAT

5h 02m

1 stop

$319American Airlines

Wed, Jul 8 - Wed, Jul 15

5:45 am - 3:00 pm

SAT

DCA

8h 15m

2 stops

6:15 am - 10:25 am

DCA

SAT

5h 10m

1 stop

$320Southwest

Wed, Jul 15 - Mon, Jul 20

11:20 am - 9:55 pm

SAT

DCA

9h 35m

1 stop

6:10 am - 12:15 pm

DCA

SAT

7h 05m

1 stop

$321Southwest

Fri, Oct 2 - Sun, Oct 4

5:55 am - 12:00 pm

SAT

DCA

5h 05m

1 stop

6:00 am - 12:55 pm

DCA

SAT

7h 55m

1 stop

$322Southwest

Thu, Nov 5 - Mon, Nov 9

4:55 pm - 10:50 pm

SAT

DCA

4h 55m

1 stop

2:10 pm - 8:30 pm

DCA

SAT

7h 20m

2 stops

$323Southwest

Fri, Nov 13 - Wed, Nov 18

9:45 am - 6:00 pm

SAT

DCA

7h 15m

1 stop

6:50 am - 11:10 am

DCA

SAT

5h 20m

1 stop

$324Southwest

Sat, Aug 8 - Mon, Sep 14

6:40 am - 11:02 am

SAT

DCA

3h 22mnonstop

5:00 am - 9:02 am

DCA

SAT

5h 02m

1 stop

$325American Airlines

Fri, Jul 10 - Mon, Jul 13

5:40 am - 6:40 pm

SAT

DCA

12h 00m

2 stops

12:45 pm - 7:50 pm

DCA

SAT

8h 05m

2 stops

$328Southwest

Sat, Aug 8 - Sat, Sep 12

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Jul 8

SAT6:40 amSan Antonio

3h 22m

DCA11:02 amWashington, D.C. Reagan-National

Jul 15

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

5h 02m

1 stop

SAT9:02 amSan Antonio

$319

American Airlines

Jul 10

SAT6:40 amSan Antonio

3h 22m

DCA11:02 amWashington, D.C. Reagan-National

Jul 13

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

5h 02m

1 stop

SAT9:02 amSan Antonio

$325

American Airlines

Jul 8

SAT6:40 amSan Antonio

3h 22m

DCA11:02 amWashington, D.C. Reagan-National

Jul 11

DCA4:59 pmWashington, D.C. Reagan-National

3h 41m

SAT7:40 pmSan Antonio

$333

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 15

SAT3:35 pmSan Antonio

6h 20m

1 stop

DCA10:55 pmWashington, D.C. Reagan-National

Jul 20

DCA6:15 amWashington, D.C. Reagan-National

5h 10m

1 stop

SAT10:25 amSan Antonio

$314

Southwest

Oct 2

SAT7:45 amSan Antonio

7h 20m

2 stops

DCA4:05 pmWashington, D.C. Reagan-National

Oct 6

DCA6:00 amWashington, D.C. Reagan-National

6h 15m

1 stop

SAT11:15 amSan Antonio

$318

Southwest

Jul 15

SAT5:45 amSan Antonio

8h 15m

2 stops

DCA3:00 pmWashington, D.C. Reagan-National

Jul 20

DCA6:15 amWashington, D.C. Reagan-National

5h 10m

1 stop

SAT10:25 amSan Antonio

$320

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 7/15

3:35 pm-10:55 pm

1 stop6h 20m

Washington, D.C. Reagan-National

Mon 7/20

6:15 am-10:25 am

1 stop5h 10m

$314

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Fri 10/2

7:45 am-4:05 pm

2 stops7h 20m

Washington, D.C. Reagan-National

Tue 10/6

6:00 am-11:15 am

1 stop6h 15m

$318

Quickest round-trip

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Wed 7/8

6:40 am-11:02 am

Nonstop3h 22m

Washington, D.C. Reagan-National

Wed 7/15

5:00 am-9:02 am

1 stop5h 02m

$319

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Wed 7/15

5:45 am-3:00 pm

2 stops8h 15m

Washington, D.C. Reagan-National

Mon 7/20

6:15 am-10:25 am

1 stop5h 10m

$320

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Fri 10/2

11:20 am-9:55 pm

1 stop9h 35m

Washington, D.C. Reagan-National

Sun 10/4

6:10 am-12:15 pm

1 stop7h 05m

$321

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Thu 11/5

5:55 am-12:00 pm

1 stop5h 05m

Washington, D.C. Reagan-National

Mon 11/9

6:00 am-12:55 pm

1 stop7h 55m

$322

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Fri 11/13

4:55 pm-10:50 pm

1 stop4h 55m

Washington, D.C. Reagan-National

Wed 11/18

2:10 pm-8:30 pm

2 stops7h 20m

$323

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Sat 8/8

9:45 am-6:00 pm

1 stop7h 15m

Washington, D.C. Reagan-National

Mon 9/14

6:50 am-11:10 am

1 stop5h 20m

$324

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Fri 7/10

6:40 am-11:02 am

Nonstop3h 22m

Washington, D.C. Reagan-National

Mon 7/13

5:00 am-9:02 am

1 stop5h 02m

$325

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Sat 8/8

5:40 am-6:40 pm

2 stops12h 00m

Washington, D.C. Reagan-National

Sat 9/12

12:45 pm-7:50 pm

2 stops8h 05m

$328

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 $271. 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 $294.

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 Thursday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Thursday will often find tickets for as low as $347. Flights from San Antonio to Washington, D.C. Reagan-National Airport on a Monday will generally be more expensive and average around $452. 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 $370 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 $155 on momondo.

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

There are 3 cabin classes available to choose from on San Antonio to Washington, D.C. Reagan-National Airport 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 San Antonio to Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 2% on your flight if you consider stops on a San Antonio to Washington, D.C. Reagan-National Airport flight.

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

As of June 2026, prices for San Antonio to Washington, D.C. Reagan-National Airport flights are approximately 24% 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	$258
Fastest flight time	3h 19m
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 $258. 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 $369.

The fastest flight from San Antonio to Washington, D.C. Reagan-National Airport takes 3h 19m

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 19m 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 June 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 31.14% of the total bookings. Other popular models include Boeing 737 MAX 8 with 16.57%, Boeing 737-700 with 16.57%, and Boeing 737 MAX 9 with 6.86%.
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 61% of all bookings. The subsequent popular airlines are Southwest at 16%, United Airlines at 11%, and Delta at 9%.

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
Frontier	PriceFrom $143	Free Cancellation	Rating 5.6 2,892 reviews	Search Frontier flights
Southwest	PriceFrom $226	Free Cancellation	Rating 7.9 4,235 reviews	Search Southwest flights
American Airlines	PriceFrom $240	Free Cancellation	Rating 7.1 11,648 reviews	Search American Airlines flights
Delta	PriceFrom $252	Free Cancellation	Rating 7.9 8,405 reviews	Search Delta flights
United Airlines	PriceFrom $268	Free Cancellation	Rating 7.4 9,815 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 $226 round-trip. Over the 3 Southwest flights for this route in a normal week, average airfare is usually $340 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, 11,648 ratings). American Airlines flies from San Antonio to Washington, D.C. Reagan-National Airport around 6 times per week, with deals starting from $240 round-trip and rising to an average price of around $384.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Gaithersburg

Fredericksburg

Colonial Beach

Rockville

Silver Spring

Linthicum Heights

Towson

Manassas

Tysons

Springfield

Fairfax

Bethesda

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.

An easier way to manage your Washington, D.C. Reagan-National Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Mon 7/13

Mon 7/20

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.

Popular cities

Other flights from San Antonio

Other flights to Washington, D.C.

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in the United States

Flights to Newark Airportfrom $102

Flights to New York John F Kennedy Intl Airportfrom $71

Flights to New York LaGuardia Airportfrom $52

Flights to Dallas/Fort Worth Airportfrom $61

Flights to Washington, D.C. Dulles Intl Airportfrom $56

Flights to Chicago O'Hare Intl Airportfrom $98

Flights to Orlando Airportfrom $55

Flights to Chicago Midway Airport

Flights to Dallas Love Field Airport

Cheap flights from San Antonio to Washington, D.C. from $105

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 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

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

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?

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

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

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

Why use momondo?

An easier way to manage your Washington, D.C. Reagan-National Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

San Antonio flight routes

According to popular flight searches on momondo this year

Washington, D.C. Reagan-National Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Complete your trip to Washington, D.C.

Explore popular destinations other users love

According to popular flight searches on momondo this year