HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Antonio

$98+ Cheap flights from District of Columbia to San Antonio (SAT)

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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SAT
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from District of Columbia to San Antonio 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.

Cheap flight deals from District of Columbia to San Antonio

Keep the following information in mind while searching for District of Columbia to San Antonio flight deals. Data was last updated October 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$260
(Southwest)

One-way from

$98
(eDestinos)

Popular in

December

Cheapest in

August

Average price

$385

Good round-trip deal

$283 or less

Good one-way deal

$193 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San Antonio flights.
Search Deals
From District of Columbia to San Antonio
Search Deals
One-way flight from District of Columbia to San Antonio
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from District of Columbia to San Antonio.
Search Deals
Price to beat on a one-way flight from District of Columbia to San Antonio.
Search Deals

Find flight deals from District of Columbia to San Antonio

Cheapest flights from District of Columbia to San Antonio
Explore the most affordable flight options available from District of Columbia to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Southwest deal was found by Cheapflights users on 10/29. 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 12/92:40 pmDCA - SAT
1 stop5h 15mSouthwest
Wed 12/106:50 amSAT - DCA
1 stop4h 45mSouthwest
Deal found 10/29$260
This Priceline deal was found by Cheapflights users on 10/27. 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.
Fri 12/128:00 amDCA - SAT
1 stop12h 00mFrontier
Sun 12/1410:25 amSAT - DCA
1 stop10h 34mFrontier
Deal found 10/27$261
This Frontier deal was found by Cheapflights users on 10/29. 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 12/55:45 amIAD - SAT
1 stop12h 06mFrontier
Sun 12/148:50 amSAT - IAD
1 stop10h 34mFrontier
Deal found 10/29$261
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Fri 11/72:00 pmDCA - SAT
1 stop25h 17mFrontier
Sun 11/98:25 pmSAT - DCA
1 stop24h 34mFrontier
Deal found 10/28$262
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/18:40 amIAD - SAT
1 stop11h 41mMultiple Airlines
Tue 12/27:37 pmSAT - IAD
2 stops17h 52mMultiple Airlines
Deal found 10/28$263
This Booking.com deal was found by Cheapflights users on 10/28. 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.
Fri 11/142:00 pmDCA - SAT
1 stop25h 17mFrontier
Sun 11/168:25 pmSAT - DCA
1 stop24h 34mFrontier
Deal found 10/28$264
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/267:05 amIAD - SAT
1 stop10h 03mMultiple Airlines
Wed 11/268:33 pmSAT - IAD
1 stop12h 44mMultiple Airlines
Deal found 10/28$266
This American Airlines deal was found by Cheapflights users on 10/30. 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 12/47:44 pmDCA - SAT
Nonstop3h 51mAmerican Airlines
Sun 12/76:00 amSAT - DCA
1 stop4h 59mAmerican Airlines
Deal found 10/30$268
This Delta deal was found by Cheapflights users on 10/28. 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.
Sun 11/237:59 amDCA - SAT
1 stop5h 11mDelta
Tue 12/21:00 pmSAT - DCA
1 stop5h 40mDelta
Deal found 10/28$269
This Delta deal was found by Cheapflights users on 10/28. 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.
Sat 11/225:59 pmIAD - SAT
1 stop7h 09mDelta
Wed 11/264:35 pmSAT - IAD
1 stop5h 28mDelta
Deal found 10/28$269
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/139:52 pmIAD - SAT
2 stops21h 40mMultiple Airlines
Sat 11/1510:58 amSAT - IAD
1 stop7h 53mMultiple Airlines
Deal found 10/28$270
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/245:25 pmIAD - SAT
Nonstop3h 59mUnited Airlines
Wed 12/317:05 amSAT - IAD
Nonstop3h 09mUnited Airlines
Deal found 10/29$271

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to San Antonio 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 October 30, 2025.
Use the filters below to find and compare flights from District of Columbia to San Antonio that are best for you.

Fly from

District of Columbia

Fly to

San Antonio

Route

Depart

Return

Price

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Mon 11/24

7:35 pm-12:38 am

1 stop6h 03m

San Antonio

Thu 11/27

12:10 pm-9:15 pm

1 stop8h 05m

$269

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Thu 1/22

4:28 pm-9:21 pm

1 stop5h 53m

San Antonio

Sun 1/25

9:50 am-3:57 pm

1 stop5h 07m

$269

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Sun 11/23

7:35 pm-12:38 am

1 stop6h 03m

San Antonio

Thu 11/27

12:10 pm-9:15 pm

1 stop8h 05m

$269

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Fri 1/9

2:45 pm-7:41 pm

1 stop5h 56m

San Antonio

Sun 1/11

2:05 pm-8:59 pm

1 stop5h 54m

$269

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Wed 12/3

5:31 pm-10:57 pm

1 stop6h 26m

San Antonio

Sat 12/6

5:20 am-11:37 am

1 stop5h 17m

$269

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Thu 2/12

6:03 am-1:08 pm

1 stop8h 05m

San Antonio

Sat 2/14

9:10 am-4:30 pm

1 stop6h 20m

$269

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Mon 11/24

7:35 pm-12:38 am

1 stop6h 03m

San Antonio

Tue 12/2

1:00 pm-9:41 pm

1 stop7h 41m

$269

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Sat 12/13

6:00 am-10:36 am

1 stop5h 36m

San Antonio

Wed 12/17

6:25 am-1:30 pm

1 stop6h 05m

$269

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Fri 11/28

6:00 am-10:55 am

1 stop5h 55m

San Antonio

Sat 12/6

11:41 am-5:21 pm

1 stop4h 40m

$269

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Tue 12/30

5:42 pm-12:38 am

1 stop7h 56m

San Antonio

Mon 1/5

5:20 am-12:40 pm

1 stop6h 20m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 42 results
1
2
3
...
5

Best time to book a flight from District of Columbia to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from District of Columbia 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 District of Columbia to San Antonio

What is the cheapest month to book a flight from District of Columbia to San Antonio?

Currently, July is the cheapest month in which you can book a flight from District of Columbia to San Antonio (average of $94). Flying from District of Columbia to San Antonio in September is currently the most expensive (average of $175). 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 DC to SAT?

Find hourly flight availability from District of Columbia to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

One of the essential ways to save on airfare from District of Columbia to San Antonio is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 19% on airfare.

What is the cheapest day to fly from District of Columbia to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from District of Columbia to San Antonio. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their District of Columbia to San Antonio flight should consider departing on Friday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to San Antonio. 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 into for flights to San Antonio from District of Columbia?

    Most people fly into San Antonio (SAT) if they book a flight to San Antonio from District of Columbia. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.

  • How long is the flight from District of Columbia to San Antonio?

    A quick flight from District of Columbia to San Antonio can take about 5h 53m. Delta provides one of the quickest options available for as low as $269. The distance between District of Columbia and San Antonio is about 1378 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from District of Columbia to San Antonio one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $103. However, be on the lookout for offers from Southwest and United Airlines, as they are both options that can get you from District of Columbia to San Antonio for a low price.

  • What are the most reliable airlines from District of Columbia to San Antonio?

    The top 3 most reliable airlines when flying from District of Columbia to San Antonio are Mesa Airlines (100%), United Airlines (96%) and Air Canada (95%).

  • What are the cheapest flights from District of Columbia to San Antonio?

    While on average a flight from District of Columbia to San Antonio is generally $726, our data shows the cheapest flight currently is $148. When looking at the most popular route, (Washington, D.C. Dulles Intl - San Antonio), you can expect to pay $147 for that flight.

  • Can I find deals for flights from District of Columbia to San Antonio that include hotel bookings?

    Yes. In addition to deals on District of Columbia to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to San Antonio?

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

  • Can I find deals for business class flights from District of Columbia to San Antonio?

    Yes. Cheapflights offers flight deals from District of Columbia to San Antonio 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 District of Columbia to San Antonio?

    Currently, July is the cheapest month in which you can book a flight from District of Columbia to San Antonio (average of $94). Flying from District of Columbia to San Antonio in September is currently the most expensive (average of $175). 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
New Braunfels
Kerrville

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 District of Columbia to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to Dallas/Fort Worth flights
Newark to Dallas/Fort Worth flights
John F Kennedy Intl to Dallas/Fort Worth flights
Los Angeles to Dallas/Fort Worth flights
LaGuardia to Hobby flights
Dulles Intl to Dallas/Fort Worth flights
Baltimore to Dallas/Fort Worth flights
Newark to Hobby flights
Seattle to Dallas/Fort Worth flights
John F Kennedy Intl to Hobby flights
O'Hare Intl to Dallas/Fort Worth flights
Boston to Dallas/Fort Worth flights
Minneapolis to Dallas/Fort Worth flights
San Francisco to Dallas/Fort Worth flights
Reagan-National to Dallas/Fort Worth flights
John F Kennedy Intl to Austin flights
Newark to George Bush Intcntl flights
John F Kennedy Intl to George Bush Intcntl flights
Ontario to Dallas/Fort Worth flights
LaGuardia to George Bush Intcntl flights
Reagan-National to Hobby flights
Dulles Intl to Hobby flights
Seattle to Hobby flights
Philadelphia to Dallas/Fort Worth flights
Fort Lauderdale to Dallas/Fort Worth flights
Baltimore to Hobby flights
Newark to Austin flights
Midway to Dallas/Fort Worth flights
Detroit to Dallas/Fort Worth flights
Santa Ana to Dallas/Fort Worth flights
Los Angeles to Hobby flights
Atlanta to Dallas/Fort Worth flights
Raleigh to Dallas/Fort Worth flights
Denver to Dallas/Fort Worth flights
San Francisco to Hobby flights
Salt Lake City to Dallas/Fort Worth flights
Ontario to Hobby flights
O'Hare Intl to Hobby flights
Boston to Hobby flights
Seattle to George Bush Intcntl flights
Dulles Intl to George Bush Intcntl flights
Charlotte to Dallas/Fort Worth flights
Orlando to Dallas/Fort Worth flights
Los Angeles to Austin flights
Los Angeles to George Bush Intcntl flights
O'Hare Intl to George Bush Intcntl flights
LaGuardia to Love Field flights
Dallas/Fort Worth to Hobby flights
Denver to Hobby flights
Dallas/Fort Worth to George Bush Intcntl flights

Top 6 airlines flying from District of Columbia to San Antonio

Discover the top 6 airlines that operate flights from District of Columbia to San Antonio. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$86Average$228FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$114Average$224FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$158Average$342FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$181Average$400FlexibilityNo cancel feeOn-time63%
DeltaCheapest$236Average$350FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$240Average$388FlexibilityNo 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.