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Reagan-National

$91+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — DCA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 February or July, booked 61 days in advance, depart on a Wednesday or Saturday and return on a Saturday

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 June 12, 2025.

Round-trip from

$226
(Southwest)

One-way from

$91
(Southwest)

Popular in

March

Cheapest in

February

Average price

$334

Good round-trip deal

$269 or less

Good one-way deal

$203 or less
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
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High demand for flights, 7% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from San Antonio to Washington, D.C. Reagan-National.
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Price to beat on a one-way flight from San Antonio to Washington, D.C. Reagan-National.
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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 June 12, 2025.

This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1911:15 amSAT - DCA
1 stop5h 00mSouthwest
Fri 8/221:55 pmDCA - SAT
2 stops9h 30mSouthwest
Deal found 6/11$226
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/66:30 amSAT - DCA
Nonstop3h 22mAmerican Airlines
Mon 8/117:45 pmDCA - SAT
Nonstop3h 31mAmerican Airlines
Deal found 6/11$231
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:30 amSAT - DCA
1 stop6h 13mDelta
Wed 8/136:00 amDCA - SAT
1 stop4h 40mDelta
Deal found 6/11$237
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 8/194:22 pmSAT - DCA
1 stop4h 47mUnited Airlines
Thu 8/218:20 amDCA - SAT
1 stop8h 06mUnited Airlines
Deal found 6/10$246
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/108:14 pmSAT - DCA
1 stop14h 50mFrontier
Tue 8/127:00 amDCA - SAT
1 stop12h 02mFrontier
Deal found 6/10$346

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 June 12, 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 8/19

11:15 am-5:15 pm

1 stop5h 00m

Washington, D.C. Reagan-National

Fri 8/22

1:55 pm-10:25 pm

2 stops9h 30m

$226

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Wed 8/6

6:30 am-10:52 am

Nonstop3h 22m

Washington, D.C. Reagan-National

Mon 8/11

7:45 pm-10:16 pm

Nonstop3h 31m

$231

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Tue 8/12

6:30 am-1:43 pm

1 stop6h 13m

Washington, D.C. Reagan-National

Wed 8/13

6:00 am-9:40 am

1 stop4h 40m

$237

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Tue 8/19

4:22 pm-10:09 pm

1 stop4h 47m

Washington, D.C. Reagan-National

Thu 8/21

8:20 am-3:26 pm

1 stop8h 06m

$246

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Sun 8/10

8:14 pm-12:04 pm

1 stop14h 50m

Washington, D.C. Reagan-National

Tue 8/12

7:00 am-6:02 pm

1 stop12h 02m

$346

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Sat 8/16

7:37 pm-8:59 pm

2 stops24h 22m

Washington, D.C. Reagan-National

Tue 8/19

8:59 am-5:40 am

2 stops21h 41m

$563

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Sat 8/30

2:05 pm-8:55 pm

1 stop5h 50m

$91

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Sat 7/5

6:30 am-10:53 am

Nonstop3h 23m

$95

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Mon 6/30

6:30 am-2:49 pm

1 stop7h 19m

$119

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Thu 8/21

8:18 pm-9:59 pm

1 stop24h 41m

$128

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 13 results
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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 June 9, 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 June is currently the most expensive (average of $337). 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 June 12, 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.

Weekly flight availability from San Antonio to Washington, D.C. Reagan-National Airport

Explore weekly flight availability from San Antonio to Reagan-National. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from SAT to DCA are scheduled on a Tuesday (3 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from San Antonio to Washington, D.C. by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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. 5 airlines have flights to Washington, D.C. Reagan-National from San Antonio on a regular basis.

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

    Currently priced at $226, Southwest will fly you from San Antonio to Washington, D.C. Reagan-National Airport and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $231 and $237, respectively. Southwest is 34% 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 Southwest, with whom users have recently found tickets for as low as $91. However, be on the lookout for offers from American Airlines 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 $475, our data indicates the cheapest price to be $89. The most popular route (San Antonio - Washington, D.C. Reagan-National), is priced around $237.

  • 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 June is currently the most expensive (average of $337). 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 San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas
Dundalk

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Alternative routes for San Antonio to Reagan-National

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Top 5 airlines flying from San Antonio to Reagan-National

Discover the top 5 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$85Average$170FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$204Average$423FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$207Average$328FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$339FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$259Average$381FlexibilityNo cancel feeOn-time69%

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