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Reagan-National

$133+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — DCA
dic. 6 — dic. 131
sáb. 12/6
sáb. 12/13
1 adult, Economy
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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 noviembre 6, 2025.

This American Airlines deal was found by Cheapflights users on 11/4. 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.
jue. 12/46:48 amSAT - DCA
Nonstop3h 12mAmerican Airlines
sáb. 12/67:44 pmDCA - SAT
Nonstop3h 51mAmerican Airlines
Deal found 11/4$249
This Priceline deal was found by Cheapflights users on 11/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/287:00 amSAT - DCA
1 stop8h 57mFrontier
vie. 12/58:00 amDCA - SAT
1 stop12h 00mFrontier
Deal found 11/4$250
This Southwest deal was found by Cheapflights users on 11/4. 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.
jue. 11/275:00 amSAT - DCA
2 stops6h 45mSouthwest
mié. 12/36:55 pmDCA - SAT
1 stop5h 25mSouthwest
Deal found 11/4$253
This Mytrip deal was found by Cheapflights users on 11/5. 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.
sáb. 11/83:12 pmSAT - DCA
1 stop20h 50mFrontier
mar. 11/186:00 pmDCA - SAT
1 stop25h 45mFrontier
Deal found 11/5$254
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
mié. 12/36:07 pmSAT - DCA
2 stops21h 52mMultiple Airlines
mié. 12/106:00 pmDCA - SAT
1 stop25h 58mMultiple Airlines
Deal found 11/5$258
This Trip.com deal was found by Cheapflights users on 11/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2112:44 pmSAT - DCA
1 stop8h 15mFrontier
lun. 11/246:00 pmDCA - SAT
1 stop7h 20mFrontier
Deal found 11/4$263
This United Airlines deal was found by Cheapflights users on 11/4. 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.
jue. 12/252:08 pmSAT - DCA
1 stop5h 51mUnited Airlines
mié. 12/318:15 amDCA - SAT
1 stop8h 38mUnited Airlines
Deal found 11/4$264
This American Airlines deal was found by Cheapflights users on 11/3. 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.
dom. 12/215:48 pmSAT - DCA
1 stop4h 57mAmerican Airlines
jue. 1/85:25 pmDCA - SAT
Nonstop4h 00mAmerican Airlines
Deal found 11/3$268
This Delta deal was found by Cheapflights users on 11/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/65:55 pmSAT - DCA
1 stop4h 45mDelta
dom. 12/146:00 amDCA - SAT
1 stop5h 31mDelta
Deal found 11/4$269
This American Airlines deal was found by Cheapflights users on 11/4. 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.
mar. 11/256:50 amSAT - DCA
Nonstop3h 09mAmerican Airlines
jue. 11/271:35 pmDCA - SAT
Nonstop3h 53mAmerican Airlines
Deal found 11/4$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 noviembre 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(American Airlines)

One-way from

$133
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$348

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.
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Provider most trusted by Cheapflights users for San Antonio-Washington, D.C. Reagan-National flights.
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From San Antonio to Washington, D.C. Reagan-National
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One-way flight from San Antonio to Washington, D.C. Reagan-National
Search Deals
High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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.
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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 noviembre 6, 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

mié. 1/28

6:41 am-10:43 am

Nonstop3h 02m

Washington, D.C. Reagan-National

sáb. 1/31

2:00 pm-5:00 pm

Nonstop4h 00m

$249

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

dom. 1/11

6:20 pm-11:50 pm

1 stop4h 30m

Washington, D.C. Reagan-National

mié. 1/14

6:10 am-2:00 pm

2 stops8h 50m

$249

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

vie. 2/20

11:43 am-6:44 pm

1 stop6h 01m

Washington, D.C. Reagan-National

sáb. 2/28

6:00 pm-11:12 pm

1 stop6h 12m

$264

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

mié. 4/22

12:24 pm-6:25 pm

1 stop5h 01m

Washington, D.C. Reagan-National

mié. 4/29

12:40 pm-5:33 pm

1 stop5h 53m

$264

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

jue. 12/25

2:08 pm-8:59 pm

1 stop5h 51m

Washington, D.C. Reagan-National

mié. 12/31

8:15 am-3:53 pm

1 stop8h 38m

$264

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

mié. 1/28

6:41 am-10:43 am

Nonstop3h 02m

Washington, D.C. Reagan-National

dom. 2/1

10:10 am-4:10 pm

1 stop7h 00m

$268

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

mar. 12/2

3:00 pm-8:40 pm

1 stop4h 40m

Washington, D.C. Reagan-National

jue. 12/11

8:59 am-1:43 pm

1 stop5h 44m

$269

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

vie. 2/20

4:00 pm-10:59 pm

1 stop5h 59m

Washington, D.C. Reagan-National

lun. 3/2

6:00 pm-12:36 am

1 stop7h 36m

$269

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

mié. 2/4

9:50 am-3:57 pm

1 stop5h 07m

Washington, D.C. Reagan-National

dom. 2/8

9:07 am-2:50 pm

1 stop6h 43m

$269

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

mié. 12/3

5:59 pm-11:44 pm

1 stop4h 45m

Washington, D.C. Reagan-National

sáb. 12/6

12:40 pm-5:44 pm

1 stop6h 04m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 21 results
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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 October 31, 2025.

The best time to book flights from San Antonio to Washington, D.C. Reagan-National Airport is 52 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 $234). 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 noviembre 6, 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 noviembre 6, 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
4,241 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

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
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

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
8,001 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

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
9,007 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

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
11,040 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

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 02m. 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 airlines to fly from San Antonio to Washington, D.C. Reagan-National Airport one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $135. However, be on the lookout for offers from Southwest and Delta, as they are both options that can get you from San Antonio to Washington, D.C. Reagan-National Airport for a low price.

  • 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 $234.

  • 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 $234). 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

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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.
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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 noviembre 6, 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%

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