Reagan-National

$108+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — DCA
Oct 15 — Oct 221
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Cheapflights Tip: The best prices from San Antonio to Washington, D.C. Reagan-National are usually found in February or April, booked 61 days in advance, depart on a Saturday or Wednesday and return on a Wednesday

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 September 15, 2025.

Round-trip from

$200
(Booking.com)

One-way from

$108
(Trip.com)

Popular in

March

Cheapest in

February

Average price

$323

Good round-trip deal

$249 or less

Good one-way deal

$210 or less
From San Antonio to Washington, D.C. Reagan-National
One-way flight from San Antonio to Washington, D.C. Reagan-National
High demand for flights, 5% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from San Antonio to Washington, D.C. Reagan-National.
Price to beat on a one-way flight from San Antonio to Washington, D.C. Reagan-National.

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 September 15, 2025.

This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:20 pmSAT - DCA
1 stop14h 50mFrontier
Sat 10/117:00 amDCA - SAT
1 stop29h 14mFrontier
Deal found 9/13$200
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/213:59 pmSAT - DCA
1 stop29h 00mFrontier
Sun 10/268:00 amDCA - SAT
1 stop12h 41mFrontier
Deal found 9/13$208
This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/285:45 amSAT - DCA
2 stops8h 10mSouthwest
Fri 10/316:10 amDCA - SAT
1 stop5h 30mSouthwest
Deal found 9/12$209
This Frontier deal was found by Cheapflights users on 9/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/44:45 pmSAT - DCA
2 stops18h 25mFrontier
Wed 10/87:00 amDCA - SAT
1 stop9h 14mFrontier
Deal found 9/13$213
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:20 pmSAT - DCA
1 stop19h 39mFrontier
Sat 9/277:00 amDCA - SAT
1 stop8h 27mFrontier
Deal found 9/13$222
This Booking.com deal was found by Cheapflights users on 9/14. 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 10/28:20 pmSAT - DCA
1 stop24h 39mFrontier
Sun 10/57:00 amDCA - SAT
1 stop13h 34mFrontier
Deal found 9/14$226
This Frontier deal was found by Cheapflights users on 9/14. 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 10/312:41 pmSAT - DCA
1 stop8h 18mFrontier
Sun 10/57:00 amDCA - SAT
1 stop13h 34mFrontier
Deal found 9/14$234
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Wed 10/156:35 amSAT - DCA
Nonstop3h 14mAmerican Airlines
Sat 10/187:59 pmDCA - SAT
Nonstop3h 57mAmerican Airlines
Deal found 9/12$235
This American Airlines deal was found by Cheapflights users on 9/12. 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 11/136:50 amSAT - DCA
Nonstop3h 09mAmerican Airlines
Sat 11/157:59 pmDCA - SAT
Nonstop4h 06mAmerican Airlines
Deal found 9/12$242
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/273:22 pmSAT - DCA
1 stop19h 48mFrontier
Sat 10/47:00 amDCA - SAT
1 stop27h 10mFrontier
Deal found 9/13$243
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:35 amSAT - DCA
Nonstop3h 14mAmerican Airlines
Sat 10/257:59 pmDCA - SAT
Nonstop3h 57mAmerican Airlines
Deal found 9/13$249
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 12/35:59 pmSAT - DCA
1 stop4h 45mUnited Airlines
Wed 12/318:15 amDCA - SAT
1 stop8h 38mUnited Airlines
Deal found 9/14$252

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 September 15, 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

Tue 10/28

4:35 pm-10:59 pm

1 stop5h 24m

Washington, D.C. Reagan-National

Tue 11/4

6:59 am-11:28 am

1 stop5h 29m

$257

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Tue 12/16

3:00 pm-11:39 pm

1 stop7h 39m

Washington, D.C. Reagan-National

Tue 1/13

5:15 pm-10:19 pm

1 stop6h 04m

$257

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Tue 10/7

5:30 am-11:34 am

1 stop5h 04m

Washington, D.C. Reagan-National

Sun 10/12

8:20 am-3:25 pm

1 stop8h 05m

$258

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Fri 11/7

5:55 am-2:15 pm

1 stop7h 20m

Washington, D.C. Reagan-National

Tue 11/11

2:40 pm-6:55 pm

1 stop5h 15m

$258

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Tue 11/11

6:50 am-12:35 pm

1 stop4h 45m

Washington, D.C. Reagan-National

Fri 11/14

6:00 am-10:55 am

1 stop5h 55m

$258

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Tue 1/6

11:43 am-6:41 pm

1 stop5h 58m

Washington, D.C. Reagan-National

Sat 1/17

6:00 am-10:47 am

1 stop5h 47m

$258

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Sat 10/4

12:15 pm-6:45 pm

1 stop5h 30m

Washington, D.C. Reagan-National

Tue 10/7

7:35 pm-12:20 am

1 stop5h 45m

$263

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Wed 11/19

2:14 pm-8:45 pm

1 stop5h 31m

Washington, D.C. Reagan-National

Mon 11/24

6:00 am-10:43 am

1 stop5h 43m

$263

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Wed 11/5

7:00 am-2:25 pm

1 stop6h 25m

Washington, D.C. Reagan-National

Mon 11/10

4:34 pm-9:20 pm

1 stop5h 46m

$263

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Fri 11/21

2:15 pm-9:45 pm

1 stop6h 30m

Washington, D.C. Reagan-National

Sun 11/23

7:15 pm-11:45 pm

1 stop5h 30m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 21 results
1
2
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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 September 12, 2025.

The best time to book flights from San Antonio to Washington, D.C. Reagan-National Airport is 61 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, February is the cheapest month in which you can book a flight from San Antonio to Washington, D.C. Reagan-National Airport (average of $278). Flying from San Antonio to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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 September 15, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 56% 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 September 15, 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.

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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
8.0
Very good

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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 1 outbound flight 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 $258, Delta can have you in Washington, D.C. Reagan-National Airport from San Antonio in 5h 04m. 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 $195, 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 American Airlines and Southwest - these airlines can fly you to your destination from $202 and $220, respectively. Delta is 43% 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 $306, our data indicates the cheapest price to be $102. The most popular route (San Antonio - Washington, D.C. Reagan-National), is priced around $155.

  • 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, February is the cheapest month in which you can book a flight from San Antonio to Washington, D.C. Reagan-National Airport (average of $278). Flying from San Antonio to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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Alternative routes for San Antonio to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$195Average$348FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$202Average$328FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$220Average$420FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$264Average$403FlexibilityNo cancel feeOn-time69%

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