Washington, D.C.

$54+ Cheap flights from San Antonio (SAT) to Washington, D.C. (WAS)

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — WAS
бер. 17 — бер. 241
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1. Tell us where you want to go
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The best prices from San Antonio to Washington, D.C. are usually found in August or September, booked 86 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from San Antonio to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Washington, D.C. (WAS). 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 березень 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$114
(Cheapflightsfares)

One-way from

$54
(FlightHub)

Popular in

November

Cheapest in

August

Average price

$357

Good round-trip deal

$258 or less

Good one-way deal

$94 or less
Provider with most accurate pricing for San Antonio-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for San Antonio-Washington, D.C. (WAS) flights.
From San Antonio to Washington, D.C. (WAS)
One-way flight from San Antonio to Washington, D.C. (WAS)
Highest demand for flights based on searches. 7% potential increase in price ($26 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from San Antonio to Washington, D.C. (WAS).
Price to beat on a one-way flight from San Antonio to Washington, D.C. (WAS).

Find flight deals from San Antonio to Washington, D.C.

Cheapest flights from San Antonio to Washington, D.C.
Explore the most affordable flight options available from San Antonio to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on березень 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
пт 5/1610:33 amSAT - BWI
Nonstop3h 20mSpirit Airlines
пн 5/197:00 amBWI - SAT
Nonstop3h 38mSpirit Airlines
Deal found 3/11$114
This CheapOair deal was found by Cheapflights users on 3/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
пт 5/168:31 pmSAT - BWI
1 stop21h 05mFrontier
пн 5/196:12 pmBWI - SAT
1 stop24h 23mFrontier
Deal found 3/11$168
This Frontier deal was found by Cheapflights users on 3/11. 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.
чт 5/294:06 pmSAT - IAD
1 stop12h 49mFrontier
вт 6/37:30 amIAD - SAT
1 stop8h 31mFrontier
Deal found 3/11$190
This Booking.com deal was found by Cheapflights users on 3/11. 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.
вт 8/127:43 pmSAT - DCA
1 stop15h 21mFrontier
ср 8/136:00 pmDCA - SAT
1 stop25h 42mFrontier
Deal found 3/11$190
This Priceline deal was found by Cheapflights users on 3/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
вт 8/121:26 pmSAT - BWI
1 stop9h 44mMultiple Airlines
ср 8/136:00 amBWI - SAT
1 stop6h 41mMultiple Airlines
Deal found 3/11$201
This American Airlines deal was found by Cheapflights users on 3/11. 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.
пн 6/306:32 amSAT - DCA
Nonstop3h 22mAmerican Airlines
сб 7/267:49 pmDCA - SAT
Nonstop3h 23mAmerican Airlines
Deal found 3/11$204
This United Airlines deal was found by Cheapflights users on 3/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
чт 4/312:05 pmSAT - IAD
Nonstop3h 20mUnited Airlines
вт 4/85:50 pmIAD - SAT
Nonstop3h 44mUnited Airlines
Deal found 3/11$208
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ср 4/25:30 amSAT - IAD
1 stop5h 03mDelta
вт 4/85:22 pmIAD - SAT
1 stop6h 18mDelta
Deal found 3/12$237
This Delta deal was found by Cheapflights users on 3/11. 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.
ср 4/25:30 amSAT - DCA
1 stop4h 51mDelta
сб 4/511:38 amDCA - SAT
1 stop9h 51mDelta
Deal found 3/11$237
This Southwest deal was found by Cheapflights users on 3/11. 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.
нд 8/106:50 amSAT - DCA
1 stop6h 05mSouthwest
вт 8/126:05 amDCA - SAT
1 stop5h 20mSouthwest
Deal found 3/11$244
This Delta deal was found by Cheapflights users on 3/11. 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.
пн 6/26:22 pmSAT - BWI
1 stop5h 26mDelta
пн 6/96:10 pmBWI - SAT
1 stop7h 04mDelta
Deal found 3/11$257
This Southwest deal was found by Cheapflights users on 3/11. 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.
ср 4/232:30 pmSAT - BWI
Nonstop3h 20mSouthwest
ср 4/306:10 pmBWI - SAT
Nonstop3h 45mSouthwest
Deal found 3/11$262

Find flights from San Antonio to Washington, D.C. within your budget

Customize your flight search to find flights from San Antonio to Washington, D.C. 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 березень 12, 2025.

Fly from

San Antonio

Fly to

Washington, D.C.

Route

Depart

Return

Price

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

пт 5/16

10:33 am-2:53 pm

Nonstop3h 20m

Baltimore/Washington

пн 5/19

7:00 am-9:38 am

Nonstop3h 38m

$114

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

чт 5/1

6:25 pm-5:22 pm

1 stop21h 57m

Baltimore/Washington

пн 5/12

6:12 pm-5:35 pm

1 stop24h 23m

$164

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

вт 4/1

2:18 pm-4:28 pm

1 stop25h 10m

Baltimore/Washington

вт 4/8

6:00 am-8:30 pm

1 stop15h 30m

$174

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

чт 5/29

4:06 pm-5:55 am

1 stop12h 49m

Washington, D.C. Dulles Intl

вт 6/3

7:30 am-3:01 pm

1 stop8h 31m

$190

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

вт 8/12

7:43 pm-12:04 pm

1 stop15h 21m

Washington, D.C. Reagan-National

ср 8/13

6:00 pm-6:42 pm

1 stop25h 42m

$190

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

пн 6/30

6:32 am-10:54 am

Nonstop3h 22m

Washington, D.C. Reagan-National

сб 7/26

7:49 pm-10:12 pm

Nonstop3h 23m

$204

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

чт 4/3

12:05 pm-4:25 pm

Nonstop3h 20m

Washington, D.C. Dulles Intl

вт 4/8

5:50 pm-8:34 pm

Nonstop3h 44m

$208

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

ср 4/2

5:30 am-11:33 am

1 stop5h 03m

Washington, D.C. Dulles Intl

вт 4/8

5:22 pm-10:40 pm

1 stop6h 18m

$237

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

ср 4/2

5:30 am-11:21 am

1 stop4h 51m

Washington, D.C. Reagan-National

сб 4/5

11:38 am-8:29 pm

1 stop9h 51m

$237

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

нд 8/10

6:50 am-1:55 pm

1 stop6h 05m

Washington, D.C. Reagan-National

вт 8/12

6:05 am-12:30 pm

1 stop7h 25m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 38 results
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Compare providers for flights from San Antonio to Washington, D.C.

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 Washington, D.C. in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub 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. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for San Antonio to Washington, D.C. flights

Find out what our experts recommend to make the most of your San Antonio to Washington, D.C. trip
Airports
SAT

For quick check-in, SAT's central ticketing area leads to two smaller concourses. Security is straightforward, making it ideal for business travelers.

Read more about SATby Ramsey Qubein
IAD

Use the Silver Line Metro for a cost-effective 40-minute ride to downtown D.C. from IAD, with a short walk to the terminal.

Read more about IADby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on SAT and IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.

Best time to book a flight from San Antonio to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

Travel insights for flights from San Antonio to Washington, D.C.

Get recent, data-driven insights about flights from San Antonio to Washington, D.C. including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Washington, D.C.. Price data was last updated on March 7, 2025.

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from San Antonio to Washington, D.C. (average of $309). Flying from San Antonio to Washington, D.C. in June is currently the most expensive (average of $388). 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 WAS?

Find hourly flight availability from San Antonio to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated березень 12, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 82% on flights from San Antonio to Washington, D.C. by exploring options for tickets in the evening.

What is the cheapest day to fly from San Antonio to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from San Antonio to Washington, D.C.. Price data was last updated on March 9, 2025.

Travelers seeking maximum savings on their San Antonio to Washington, D.C. flight should consider departing on Thursday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Antonio to Washington, D.C.

Explore weekly flight availability from San Antonio to Washington, D.C.. 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 березень 12, 2025.

The most flights from SAT to WAS are scheduled on a Tuesday (11 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated березень 12, 2025.
To help decide which airline to fly from San Antonio to Washington, D.C., see what other customers have to say about Southwest, Alaska Airlines and Delta. 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.

Crew

8.7

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Crew

8.7

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Crew

8.7

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

8.0
Very good

Crew

8.7

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Crew

8.7

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Crew

8.7

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Washington, D.C.. 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.?

    Located just 7.6 mi from the city center, San Antonio is the airport most travelers will use when flying to Washington, D.C. from San Antonio. Booking flights from San Antonio (SAT) to Washington, D.C. should be relatively easy as there are 7 daily outbound flights to Washington, D.C. from 6 different airlines.

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

    Spirit Airlines, at $114, was found to be the cheapest airline from San Antonio to Washington, D.C..Alternate airlines to your destination round-trip include Frontier and American Airlines. You may be able to fly from San Antonio to Washington, D.C. for 67% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Antonio to Washington, D.C. one-way?

    One-way options have recently been found by users for as low as $54 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $70 and Southwest from $100 one-way.

  • What are the most popular routes from San Antonio to Washington, D.C.?

  • What are the most reliable airlines from San Antonio to Washington, D.C.?

    Before booking your flight to Washington, D.C. from San Antonio, check out the most reliable airlines to get you to your destination on time: Mesa Airlines (83%), United Airlines (83%), Air Canada( 83%).

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

    While on average a flight from San Antonio to Washington, D.C. is generally $1,602, our data shows the cheapest flight currently is $114. When looking at the most popular route, (San Antonio - Washington, D.C. Dulles Intl), you can expect to pay $179 for that flight.

  • Can I find deals for flights from San Antonio to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on San Antonio to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Washington, D.C.?

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

  • Can I find deals for business class flights from San Antonio to Washington, D.C.?

    Yes. Cheapflights offers flight deals from San Antonio to Washington, D.C. 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.?

    Currently, August is the cheapest month in which you can book a flight from San Antonio to Washington, D.C. (average of $309). Flying from San Antonio to Washington, D.C. in June is currently the most expensive (average of $388). 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
Fairfax
Tysons
Springfield
Rockville
Gaithersburg
Fredericksburg
Linthicum Heights
Silver Spring
Woodbridge
Laurel
Falls Church
Easton
Herndon
Bowie
Gettysburg
National Harbor
Oxon Hill
Reston

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Antonio to Washington, D.C.

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

Top 6 airlines flying from San Antonio to Washington, D.C.

Discover the top 6 airlines that operate flights from San Antonio to Washington, D.C.. 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 березень 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$192FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$154Average$237FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$204Average$475FlexibilityNo cancel feeOn-time63%
DeltaCheapest$215Average$381FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$218Average$375FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$233Average$420FlexibilityNo cancel feeOn-time69%
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