HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Reagan-National

$131+ Cheap flights from San Antonio (SAT) to Reagan-National (DCA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — DCA
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Reagan-National with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from San Antonio to Washington, D.C. Reagan-National are usually found in September or February, booked 78 days in advance, depart on a Saturday or Wednesday and return on a Saturday

Find flight deals from San Antonio to Reagan-National

Cheapest flights from San Antonio to Reagan-National
Explore the most affordable flight options available from San Antonio to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This American Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:48 amSAT - DCA
Nonstop3h 12mAmerican Airlines
Sun 12/147:44 pmDCA - SAT
Nonstop3h 51mAmerican Airlines
Deal found 11/12$249
This Frontier deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2812:44 pmSAT - DCA
1 stop8h 15mFrontier
Fri 12/58:00 amDCA - SAT
1 stop12h 00mFrontier
Deal found 11/11$250
This Mytrip deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2611:05 amSAT - DCA
1 stop9h 54mFrontier
Sat 11/298:00 amDCA - SAT
1 stop17h 20mFrontier
Deal found 11/12$253
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:55 pmSAT - DCA
1 stop16h 11mFrontier
Wed 12/176:00 pmDCA - SAT
2 stops16h 23mFrontier
Deal found 11/11$254
This Kiwi.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1512:03 pmSAT - DCA
2 stops24h 03mFrontier
Thu 12/186:00 pmDCA - SAT
1 stop18h 21mFrontier
Deal found 11/12$255
This Booking.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:00 amSAT - DCA
1 stop13h 59mFrontier
Sun 11/308:00 amDCA - SAT
1 stop17h 20mFrontier
Deal found 11/11$256
This Booking.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:00 amSAT - DCA
1 stop8h 57mFrontier
Wed 11/262:00 pmDCA - SAT
1 stop25h 28mFrontier
Deal found 11/12$261
This Kiwi.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:00 amSAT - DCA
2 stops37h 59mMultiple Airlines
Fri 12/128:00 amDCA - SAT
1 stop12h 00mMultiple Airlines
Deal found 11/12$264
This United Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:20 amSAT - DCA
1 stop5h 12mUnited Airlines
Sun 12/148:15 amDCA - SAT
1 stop5h 57mUnited Airlines
Deal found 11/10$269
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:56 pmSAT - DCA
1 stop16h 10mMultiple Airlines
Wed 12/101:00 pmDCA - SAT
2 stops25h 00mMultiple Airlines
Deal found 11/11$273
This Southwest deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:15 amSAT - DCA
1 stop4h 45mSouthwest
Wed 12/103:20 pmDCA - SAT
2 stops7h 35mSouthwest
Deal found 11/13$274
This American Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:50 amSAT - DCA
Nonstop3h 09mAmerican Airlines
Tue 12/97:44 pmDCA - SAT
Nonstop3h 51mAmerican Airlines
Deal found 11/12$279

Cheap flight deals from San Antonio to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(American Airlines)

One-way from

$131
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$353

Good round-trip deal

$329 or less

Good one-way deal

$238 or less
Provider with most accurate pricing for San Antonio-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Washington, D.C. Reagan-National flights.
Search Deals
From San Antonio to Washington, D.C. Reagan-National
Search Deals
One-way flight from San Antonio to Washington, D.C. Reagan-National
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from San Antonio to Washington, D.C. Reagan-National.
Search Deals
Price to beat on a one-way flight from San Antonio to Washington, D.C. Reagan-National.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Reagan-National 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, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
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

San Antonio

Fly to

Reagan-National

Route

Depart

Return

Price

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Wed 3/18

6:35 am-10:50 am

Nonstop3h 15m

Washington, D.C. Reagan-National

Tue 3/24

5:30 pm-8:10 pm

Nonstop3h 40m

$249

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Thu 12/11

6:48 am-11:00 am

Nonstop3h 12m

Washington, D.C. Reagan-National

Sun 12/14

7:44 pm-10:35 pm

Nonstop3h 51m

$249

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Wed 3/18

5:35 am-11:15 am

1 stop4h 40m

Washington, D.C. Reagan-National

Tue 3/24

6:45 pm-11:10 pm

1 stop5h 25m

$260

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Wed 2/4

10:15 am-4:00 pm

1 stop4h 45m

Washington, D.C. Reagan-National

Fri 2/6

11:40 am-5:55 pm

1 stop7h 15m

$264

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Thu 12/11

2:40 pm-10:15 pm

1 stop6h 35m

Washington, D.C. Reagan-National

Sun 12/14

6:02 am-10:56 am

1 stop5h 54m

$269

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Sat 12/6

7:47 am-3:58 pm

1 stop7h 11m

Washington, D.C. Reagan-National

Sun 12/7

8:15 am-1:12 pm

1 stop5h 57m

$269

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Tue 3/10

4:00 pm-10:56 pm

1 stop5h 56m

Washington, D.C. Reagan-National

Wed 3/11

6:25 pm-12:14 am

1 stop6h 49m

$269

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Tue 12/2

1:00 pm-8:40 pm

1 stop6h 40m

Washington, D.C. Reagan-National

Wed 12/10

8:59 am-1:43 pm

1 stop5h 44m

$269

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Fri 12/12

7:05 am-4:01 pm

1 stop7h 56m

Washington, D.C. Reagan-National

Sun 1/4

6:00 am-11:07 am

1 stop6h 07m

$269

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Thu 1/8

10:03 pm-4:59 pm

2 stops17h 56m

$133

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 17 results
1
2

Compare providers for flights from San Antonio to Reagan-National

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Reagan-National in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-Washington, D.C. Reagan-National Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Antonio-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Antonio-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Antonio to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from San Antonio with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to Washington, D.C. Reagan-National Airport

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

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Reagan-National. Price data was last updated on November 7, 2025.

The best time to book flights from San Antonio to Washington, D.C. Reagan-National Airport is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Antonio to Washington, D.C. Reagan-National Airport?

Currently, May is the cheapest month in which you can book a flight from San Antonio to Washington, D.C. Reagan-National Airport (average of $118). Flying from San Antonio to Washington, D.C. Reagan-National Airport in January is currently the most expensive (average of $233). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAT to DCA?

Find hourly flight availability from San Antonio to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 55% on flights from San Antonio to Washington, D.C. Reagan-National Airport by exploring options for tickets in the evening.

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reagan-National. Reviews last updated November 13, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from San Antonio to Washington, D.C. Reagan-National Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,007 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,017 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,051 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Antonio to Washington, D.C. Reagan-National?

    For a flight from San Antonio to Washington, D.C. Reagan-National, you will be flying from San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city. San Antonio is the only San Antonio airport and it handles 2 outbound flights to Washington, D.C. Reagan-National per day. 4 airlines have flights to Washington, D.C. Reagan-National from San Antonio on a regular basis.

  • How long is the flight from San Antonio to Washington, D.C. Reagan-National Airport?

    For as low as $249, American Airlines can have you in Washington, D.C. Reagan-National Airport from San Antonio in 3h 15m. The distance from San Antonio to Washington, D.C. Reagan-National Airport is about 1378 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Antonio to Washington, D.C. Reagan-National Airport round-trip?

    Currently priced at $177, Delta will fly you from San Antonio to Washington, D.C. Reagan-National Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and American Airlines - these airlines can fly you to your destination from $194 and $208, respectively. Delta is 47% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest flights from San Antonio to Washington, D.C. Reagan-National Airport?

    Looking for the cheapest flight from San Antonio to Washington, D.C. Reagan-National Airport? While on average our users pay $325, our data indicates the cheapest price to be $175. The most popular route (San Antonio - Washington, D.C. Reagan-National), is priced around $210.

  • Can I find deals for flights from San Antonio to Reagan-National that include hotel bookings?

    Yes. In addition to deals on San Antonio to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Reagan-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Reagan-National.

  • Can I find deals for business class flights from San Antonio to Reagan-National?

    Yes. Cheapflights offers flight deals from San Antonio to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Antonio to Washington, D.C. Reagan-National Airport?

    Currently, May is the cheapest month in which you can book a flight from San Antonio to Washington, D.C. Reagan-National Airport (average of $118). Flying from San Antonio to Washington, D.C. Reagan-National Airport in January is currently the most expensive (average of $233). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Antonio to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Baltimore flights
Dallas/Fort Worth to Dulles Intl flights
Hobby to Baltimore flights
Hobby to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
Hobby to Reagan-National flights
George Bush Intcntl to Dulles Intl flights
Austin to Dulles Intl flights
George Bush Intcntl to Baltimore flights
Austin to Baltimore flights
Austin to Reagan-National flights
George Bush Intcntl to Reagan-National flights
Love Field to Baltimore flights
Love Field to Reagan-National flights
Love Field to Dulles Intl flights
San Antonio to Dulles Intl flights
San Antonio to Baltimore flights
El Paso to Reagan-National flights
El Paso to Dulles Intl flights
El Paso to Baltimore flights
Midland to Dulles Intl flights
Lubbock to Reagan-National flights
Corpus Christi to Baltimore flights
Midland to Reagan-National flights
Corpus Christi to Dulles Intl flights
Lubbock to Dulles Intl flights
McAllen to Dulles Intl flights
Lubbock to Baltimore flights
McAllen to Reagan-National flights
Amarillo to Dulles Intl flights
Amarillo to Baltimore flights
Corpus Christi to Reagan-National flights
Amarillo to Reagan-National flights
McAllen to Baltimore flights
Harlingen to Baltimore flights
Abilene to Reagan-National flights
Brownsville to Dulles Intl flights
Brownsville to Reagan-National flights
Midland to Baltimore flights
College Station to Reagan-National flights
San Angelo to Reagan-National flights
College Station to Dulles Intl flights
Waco to Dulles Intl flights
Harlingen to Reagan-National flights
Brownsville to Baltimore flights
Tyler to Baltimore flights
Abilene to Baltimore flights
Harlingen to Dulles Intl flights
Abilene to Dulles Intl flights

Top 4 airlines flying from San Antonio to Reagan-National

Discover the top 4 airlines that operate flights from San Antonio to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$177Average$342FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$194Average$369FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$208Average$328FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$259Average$383FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.