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$78+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SAT
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$241
(Booking.com)

One-way from

$78
(Frontier)

Popular in

December

Cheapest in

August

Average price

$349

Good round-trip deal

$283 or less

Good one-way deal

$148 or less
From District of Columbia to San Antonio
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One-way flight from District of Columbia to San Antonio
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Highest demand for flights based on searches. 9% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from District of Columbia to San Antonio.
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Price to beat on a one-way flight from District of Columbia to San Antonio.
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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 September 15, 2025.

This Booking.com deal was found by Cheapflights users on 9/15. 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 9/256:00 pmDCA - SAT
1 stop18h 46mFrontier
Sun 9/288:20 pmSAT - DCA
1 stop14h 50mFrontier
Deal found 9/15$241
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.
Fri 10/246:15 amIAD - SAT
1 stop11h 35mFrontier
Sun 10/268:26 pmSAT - IAD
2 stops18h 13mFrontier
Deal found 9/13$241
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/178:15 amDCA - SAT
1 stop12h 15mFrontier
Thu 11/207:00 amSAT - DCA
1 stop8h 57mFrontier
Deal found 9/13$242
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.
Thu 10/28:59 pmIAD - SAT
2 stops22h 31mFrontier
Sat 10/43:22 pmSAT - IAD
2 stops16h 55mFrontier
Deal found 9/13$243
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:00 amIAD - SAT
1 stop11h 40mFrontier
Sun 11/98:25 pmSAT - IAD
2 stops26h 46mFrontier
Deal found 9/14$246
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Sat 10/254:22 pmIAD - SAT
1 stop25h 30mMultiple Airlines
Sun 11/24:55 pmSAT - IAD
1 stop25h 56mMultiple Airlines
Deal found 9/15$247
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/182:40 pmDCA - SAT
1 stop5h 15mSouthwest
Tue 12/166:50 amSAT - DCA
1 stop4h 45mSouthwest
Deal found 9/14$248
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 10/227:59 pmDCA - SAT
Nonstop3h 57mAmerican Airlines
Sat 10/256:35 amSAT - DCA
Nonstop3h 14mAmerican Airlines
Deal found 9/13$249
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/315:25 pmIAD - SAT
Nonstop3h 50mUnited Airlines
Sun 11/27:07 amSAT - IAD
Nonstop3h 12mUnited Airlines
Deal found 9/13$249
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/307:59 pmDCA - SAT
Nonstop3h 57mAmerican Airlines
Thu 11/66:50 amSAT - DCA
Nonstop3h 09mAmerican Airlines
Deal found 9/15$250
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 9/196:10 amIAD - SAT
1 stop11h 20mFrontier
Fri 9/265:40 pmSAT - IAD
1 stop5h 35mFrontier
Deal found 9/14$250
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:59 pmDCA - SAT
Nonstop3h 57mAmerican Airlines
Wed 11/56:50 amSAT - DCA
Nonstop3h 09mAmerican Airlines
Deal found 9/14$251

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 September 15, 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

Tue 11/18

2:40 pm-6:55 pm

1 stop5h 15m

San Antonio

Tue 12/16

6:50 am-12:35 pm

1 stop4h 45m

$248

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Sat 10/25

7:59 pm-10:56 pm

Nonstop3h 57m

San Antonio

Mon 10/27

6:35 am-10:49 am

Nonstop3h 14m

$249

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Sun 10/5

8:25 am-10:58 am

Nonstop3h 33m

San Antonio

Sun 10/12

7:00 am-11:19 am

Nonstop3h 19m

$249

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Tue 11/18

5:25 pm-8:15 pm

Nonstop3h 50m

San Antonio

Tue 12/16

12:08 pm-4:19 pm

Nonstop3h 11m

$249

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Wed 10/29

12:31 pm-5:16 pm

1 stop5h 45m

San Antonio

Wed 11/5

5:25 am-11:47 am

1 stop5h 22m

$257

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Wed 10/22

9:45 am-3:56 pm

1 stop7h 11m

San Antonio

Wed 10/29

5:14 am-12:45 pm

1 stop6h 31m

$257

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Wed 11/12

6:03 am-11:55 am

1 stop6h 52m

San Antonio

Wed 11/19

3:00 pm-11:19 pm

1 stop7h 19m

$257

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Wed 10/29

7:05 am-11:28 am

1 stop5h 23m

San Antonio

Wed 11/5

6:41 am-2:38 pm

1 stop6h 57m

$257

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Wed 10/22

10:11 am-4:07 pm

1 stop6h 56m

San Antonio

Wed 10/29

5:25 am-11:29 am

1 stop5h 04m

$257

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Thu 11/20

6:00 am-10:43 am

1 stop5h 43m

San Antonio

Sun 11/23

7:07 am-11:19 am

Nonstop3h 12m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 42 results
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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, August is the cheapest month in which you can book a flight from District of Columbia to San Antonio (average of $295). Flying from District of Columbia to San Antonio in March is currently the most expensive (average of $376). 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 September 15, 2025.

When flying from District of Columbia to San Antonio, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from District of Columbia to San Antonio

Explore weekly flight availability from District of Columbia to San Antonio. 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 September 15, 2025.

The most flights from USDC to SAT are scheduled on a Monday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

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 3h 33m. Southwest provides one of the quickest options available for as low as $249. The distance between District of Columbia and San Antonio is about 1360 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 $78. However, be on the lookout for offers from Southwest and Delta, 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 (91%) and Air Canada (83%).

  • 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 $317, 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 $144 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, August is the cheapest month in which you can book a flight from District of Columbia to San Antonio (average of $295). Flying from District of Columbia to San Antonio in March is currently the most expensive (average of $376). 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

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Alternative routes for District of Columbia to San Antonio

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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$86Average$258FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$114Average$234FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$158Average$363FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$181Average$390FlexibilityNo cancel feeOn-time63%
DeltaCheapest$238Average$366FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$240Average$400FlexibilityNo cancel feeOn-time69%

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