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Washington, D.C.

$157+ Cheap flights from South Dakota 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — WAS
Sep 10 — Sep 171
Thu 9/10
Thu 9/17
1 adult, Economy
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Cheap flight deals from South Dakota to Washington, D.C.

Cheapest flights from South Dakota to Washington, D.C.
Explore the most affordable flight options available from South Dakota to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.

This Frontier deal was found by Cheapflights users on 8/9. 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.
Mon 8/318:56 pm -
1 stop19h 03m
Sun 9/66:00 pm -
1 stop27h 01m
Deal found 8/9$231
This Trip.com deal was found by Cheapflights users on 8/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:56 pm -
1 stop14h 55m
Mon 8/241:59 pm -
1 stop7h 02m
Deal found 8/7$277
This American Airlines deal was found by Cheapflights users on 8/6. 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 10/2812:51 pm -
1 stop9h 08m
Wed 11/45:00 am -
1 stop9h 39m
Deal found 8/6$281
This American Airlines deal was found by Cheapflights users on 8/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:51 pm -
1 stop8h 32m
Sat 10/316:42 am -
1 stop7h 39m
Deal found 8/10$281
This Delta deal was found by Cheapflights users on 8/7. 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 9/304:31 pm -
1 stop5h 28m
Wed 10/72:00 pm -
2 stops10h 30m
Deal found 8/7$286
This Delta deal was found by Cheapflights users on 8/6. 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 10/282:37 pm -
1 stop6h 49m
Wed 11/45:13 pm -
2 stops7h 17m
Deal found 8/6$286
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Fri 9/188:52 pm -
1 stop14h 19m
Mon 9/211:06 pm -
1 stop8h 01m
Deal found 8/8$309
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Tue 10/2012:51 pm -
1 stop8h 32m
Wed 10/286:42 am -
1 stop7h 39m
Deal found 8/11$310
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Tue 10/2012:51 pm -
2 stops9h 08m
Wed 10/285:00 am -
1 stop9h 21m
Deal found 8/11$315
This Delta deal was found by Cheapflights users on 8/11. 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 10/206:39 am -
2 stops10h 01m
Wed 10/289:32 am -
2 stops8h 26m
Deal found 8/11$320
This American Airlines deal was found by Cheapflights users on 8/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:30 am -
1 stop9h 18m
Sun 9/66:09 am -
1 stop7h 08m
Deal found 8/10$329
This Delta deal was found by Cheapflights users on 8/9. 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.
Fri 10/1611:00 am -
1 stop6h 31m
Sun 10/187:10 pm -
1 stop5h 12m
Deal found 8/9$329

Find flight deals from South Dakota to Washington, D.C.

Keep the following information in mind while searching for South Dakota to Washington, D.C. flight deals. Data was last updated August 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$231
(Frontier)

One-way from

$157
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$408
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Washington, D.C. (WAS) flights.
Search Deals
From South Dakota to Washington, D.C. (WAS)
Search Deals
One-way flight from South Dakota to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Dakota 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 August 11, 2026.
Use the filters below to find and compare flights from South Dakota to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityWashington, D.C.

RAP Rapid City - IAD Washington, D.C. Dulles Intl

RAPIAD

Rapid City

Wed 10/28

2:37 pm-11:26 pm

1 stop6h 49m

Washington, D.C. Dulles Intl

Sat 10/31

8:03 am-3:58 pm

2 stops9h 55m

$286

Sioux FallsWashington, D.C.

FSD Sioux Falls Joe Foss Field - IAD Washington, D.C. Dulles Intl

FSDIAD

Sioux Falls Joe Foss Field

Fri 1/8

3:16 pm-9:05 pm

1 stop4h 49m

Washington, D.C. Dulles Intl

Sun 1/10

3:30 pm-9:43 pm

1 stop7h 13m

$329

Sioux FallsWashington, D.C.

FSD Sioux Falls Joe Foss Field - DCA Washington, D.C. Reagan-National

FSDDCA

Sioux Falls Joe Foss Field

Thu 10/1

7:50 am-2:23 pm

1 stop5h 33m

Washington, D.C. Reagan-National

Mon 10/5

6:12 pm-11:11 pm

1 stop5h 59m

$329

Sioux FallsWashington, D.C.

FSD Sioux Falls Joe Foss Field - DCA Washington, D.C. Reagan-National

FSDDCA

Sioux Falls Joe Foss Field

Fri 10/2

7:50 am-3:42 pm

1 stop6h 52m

Washington, D.C. Reagan-National

Sun 10/4

7:10 pm-11:11 pm

1 stop5h 01m

$329

Rapid CityWashington, D.C.

RAP Rapid City - IAD Washington, D.C. Dulles Intl

RAPIAD

Rapid City

Fri 9/25

1:37 pm-10:52 pm

1 stop7h 15m

Washington, D.C. Dulles Intl

Tue 9/29

2:43 pm-7:20 pm

1 stop6h 37m

$331

Rapid CityWashington, D.C.

RAP Rapid City - DCA Washington, D.C. Reagan-National

RAPDCA

Rapid City

Fri 9/25

1:37 pm-10:52 pm

1 stop7h 15m

Washington, D.C. Reagan-National

Tue 9/29

6:30 am-10:15 am

1 stop5h 45m

$332

Sioux FallsBaltimore

FSD Sioux Falls Joe Foss Field - BWI Baltimore/Washington

FSDBWI

Sioux Falls Joe Foss Field

Thu 11/19

7:48 am-2:06 pm

1 stop5h 18m

Baltimore/Washington

Sun 11/22

12:34 pm-8:04 pm

2 stops8h 30m

$334

Rapid CityBaltimore

RAP Rapid City - BWI Baltimore/Washington

RAPBWI

Rapid City

Wed 10/28

12:51 pm-10:54 pm

1 stop8h 03m

Baltimore/Washington

Sat 10/31

4:04 pm-9:39 pm

1 stop7h 35m

$339

Rapid CityBaltimore

RAP Rapid City - BWI Baltimore/Washington

RAPBWI

Rapid City

Wed 10/28

2:37 pm-11:23 pm

1 stop6h 46m

Baltimore/Washington

Sat 10/31

9:00 am-3:58 pm

2 stops8h 58m

$344

Rapid CityBaltimore

RAP Rapid City - BWI Baltimore/Washington

RAPBWI

Rapid City

Tue 10/27

4:38 pm-11:23 pm

1 stop4h 45m

Baltimore/Washington

Sat 10/31

7:21 am-3:58 pm

2 stops10h 37m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/10

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from South Dakota to Washington, D.C.

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

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

Currently, January is the cheapest month in which you can book a flight from South Dakota to Washington, D.C. (average of $305). Flying from South Dakota to Washington, D.C. in March is currently the most expensive (average of $552). 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.

How much does it cost to fly round-trip from South Dakota to Washington, D.C.?

Airfare is below average for this route at the moment.
South Dakota to Washington, D.C. flights typically cost between $388 and $408 in August.
The cheapest round-trip price found within the last 5 days was $231 on Frontier (Aug 31-Sep 6).

Related info for your journey

Find useful and relevant information for your journey from South Dakota 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.

  • How long is the flight from South Dakota to Washington, D.C.?

    Airlines like Delta, United Airlines, and American Airlines fly from South Dakota to Washington, D.C. in about 4h 49m. The time it takes to get you to your destination can typically vary by up to 3h 14m. There are 1048 mi between South Dakota and Washington, D.C.. This flight may include one or multiple stops.

  • What are the most popular routes from South Dakota to Washington, D.C.?

    While some choose either Rapid City - Washington, D.C. Dulles Intl or Sioux Falls Joe Foss Field - Washington, D.C. Dulles Intl, Rapid City - Washington, D.C. Reagan-National is the most popular route from South Dakota to Washington, D.C..

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

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

  • How can I find direct flights from South Dakota 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 South Dakota to Washington, D.C..

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

    Yes. Cheapflights offers flight deals from South Dakota 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 South Dakota to Washington, D.C.?

    Currently, January is the cheapest month in which you can book a flight from South Dakota to Washington, D.C. (average of $305). Flying from South Dakota to Washington, D.C. in March is currently the most expensive (average of $552). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Oxon Hill
Clinton
Hunt Valley
Woodbridge
Silver Spring
Largo

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 South Dakota to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from South Dakota to Washington, D.C.

Discover the top 3 airlines that operate flights from South Dakota 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 August 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$201Average$438FlexibilityNo cancel feeOn-time69%
DeltaCheapest$258Average$421FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$298Average$467FlexibilityNo cancel feeOn-time71%

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