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$62+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SAT
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:22 amIAD - SAT
Nonstop4h 01mUnited Airlines
Mon 1/54:05 pmSAT - IAD
1 stop5h 14mUnited Airlines
Deal found 12/12$273
This Expedia deal was found by Cheapflights users on 12/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:00 amDCA - SAT
1 stop17h 17mFrontier
Thu 12/256:45 amSAT - DCA
1 stop29h 16mFrontier
Deal found 12/14$278
This Delta deal was found by Cheapflights users on 12/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:38 pmDCA - SAT
1 stop7h 15mDelta
Mon 1/55:20 amSAT - DCA
1 stop6h 20mDelta
Deal found 12/13$283
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:20 amIAD - SAT
1 stop7h 52mUnited Airlines
Mon 1/54:05 pmSAT - IAD
1 stop5h 14mUnited Airlines
Deal found 12/15$283
This Frontier deal was found by Cheapflights users on 12/13. 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 12/182:00 pmDCA - SAT
1 stop11h 17mFrontier
Wed 12/242:09 pmSAT - DCA
1 stop6h 50mFrontier
Deal found 12/13$284
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:05 amIAD - SAT
2 stops18h 21mMultiple Airlines
Mon 1/55:56 pmSAT - IAD
1 stop16h 32mMultiple Airlines
Deal found 12/12$288
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Thu 12/255:25 pmIAD - SAT
Nonstop3h 59mUnited Airlines
Thu 1/17:05 amSAT - IAD
Nonstop3h 09mUnited Airlines
Deal found 12/13$293
This Delta deal was found by Cheapflights users on 12/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amIAD - SAT
1 stop6h 08mDelta
Thu 1/15:20 amSAT - IAD
1 stop5h 32mDelta
Deal found 12/13$297
This Delta deal was found by Cheapflights users on 12/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:35 pmDCA - SAT
1 stop6h 14mDelta
Mon 1/55:20 amSAT - DCA
1 stop6h 20mDelta
Deal found 12/14$299
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:31 pmIAD - SAT
1 stop6h 23mUnited Airlines
Wed 12/317:05 amSAT - IAD
Nonstop3h 09mUnited Airlines
Deal found 12/14$303
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:25 pmIAD - SAT
Nonstop3h 59mUnited Airlines
Thu 1/17:05 amSAT - IAD
Nonstop3h 09mUnited Airlines
Deal found 12/15$309
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:42 pmDCA - SAT
1 stop6h 25mDelta
Wed 12/314:45 pmSAT - DCA
1 stop5h 11mDelta
Deal found 12/15$313

Find 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 December 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$251
(American Airlines)

One-way from

$62
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$472

Good round-trip deal

$263 or less

Good one-way deal

$148 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. 9% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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

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 December 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

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Sat 1/17

12:50 pm-5:33 pm

1 stop5h 43m

San Antonio

Sun 1/18

12:15 pm-4:24 pm

Nonstop3h 09m

$259

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Thu 1/8

8:29 am-2:50 pm

1 stop7h 21m

San Antonio

Tue 1/13

12:15 pm-4:24 pm

Nonstop3h 09m

$259

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Thu 2/5

8:15 am-3:31 pm

1 stop8h 16m

San Antonio

Mon 2/9

7:25 am-11:34 am

Nonstop3h 09m

$259

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Thu 1/29

8:15 am-1:08 pm

1 stop5h 53m

San Antonio

Sun 2/1

7:25 am-11:34 am

Nonstop3h 09m

$259

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Thu 1/1

5:25 pm-8:24 pm

Nonstop3h 59m

San Antonio

Tue 1/6

12:15 pm-4:25 pm

Nonstop3h 10m

$263

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Tue 1/6

5:50 pm-8:56 pm

Nonstop4h 06m

San Antonio

Tue 1/13

12:15 pm-4:24 pm

Nonstop3h 09m

$265

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Tue 1/20

7:30 pm-12:38 am

1 stop6h 08m

San Antonio

Sun 1/25

6:30 am-1:35 pm

1 stop6h 05m

$269

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Sat 1/24

7:00 am-12:45 pm

1 stop6h 45m

San Antonio

Mon 1/26

6:30 am-12:40 pm

1 stop5h 10m

$269

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Sat 1/24

4:00 pm-8:25 pm

1 stop5h 25m

San Antonio

Sun 1/25

6:30 am-1:35 pm

1 stop6h 05m

$269

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Thu 1/22

7:59 am-3:21 pm

1 stop8h 22m

San Antonio

Sun 1/25

5:20 am-11:20 am

1 stop5h 00m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 44 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, 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 December is currently the most expensive (average of $184). 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 December 15, 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 24% 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 December 13, 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 43m. United Airlines provides one of the quickest options available for as low as $259. 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 Spirit Airlines, with whom users have recently found tickets for as low as $52. However, be on the lookout for offers from Frontier and American 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 Air Canada (92%), United Airlines (92%) and Brussels Airlines (87%).

  • 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 $636, our data shows the cheapest flight currently is $178. When looking at the most popular route, (Washington, D.C. Dulles Intl - San Antonio), you can expect to pay $200 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 December is currently the most expensive (average of $184). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$86Average$228FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$114Average$225FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$158Average$357FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$181Average$394FlexibilityNo cancel feeOn-time63%
DeltaCheapest$236Average$329FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$240Average$395FlexibilityNo cancel feeOn-time69%

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