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Washington, D.C.

$101+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — WAS
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
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 February 18, 2026.

This Trip.com deal was found by Cheapflights users on 2/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/12:16 pm
FSD
-
DCA
1 stop21h 44m
Frontier
Thu 3/56:00 pm
DCA
-
FSD
1 stop26h 59m
Frontier
Deal found 2/14$264
This American Airlines deal was found by Cheapflights users on 2/14. 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.
Tue 3/172:06 pm
FSD
-
BWI
1 stop6h 54m
American Airlines
Tue 3/245:00 am
BWI
-
FSD
1 stop7h 38m
American Airlines
Deal found 2/14$271
This American Airlines deal was found by Cheapflights users on 2/16. 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 4/161:41 pm
FSD
-
BWI
1 stop8h 28m
American Airlines
Thu 4/237:00 am
BWI
-
FSD
1 stop6h 56m
American Airlines
Deal found 2/16$279
This Delta deal was found by Cheapflights users on 2/17. 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 9/195:15 am
FSD
-
DCA
1 stop4h 14m
Delta
Sun 9/276:10 am
DCA
-
FSD
1 stop7h 18m
Delta
Deal found 2/17$279
This Frontier deal was found by Cheapflights users on 2/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:16 pm
FSD
-
DCA
1 stop6h 43m
Frontier
Mon 3/28:00 am
DCA
-
FSD
1 stop6h 57m
Frontier
Deal found 2/15$282
This Delta deal was found by Cheapflights users on 2/14. 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 3/178:00 am
FSD
-
DCA
2 stops9h 18m
Delta
Tue 3/246:05 am
DCA
-
FSD
1 stop5h 16m
Delta
Deal found 2/14$284
This United Airlines deal was found by Cheapflights users on 2/17. 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 4/211:40 am
RAP
-
DCA
1 stop6h 35m
United Airlines
Mon 4/66:30 am
DCA
-
RAP
1 stop6h 05m
United Airlines
Deal found 2/17$289
This United Airlines deal was found by Cheapflights users on 2/17. 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.
Sat 5/95:20 am
RAP
-
IAD
1 stop6h 01m
United Airlines
Sun 5/246:30 am
IAD
-
RAP
1 stop7h 59m
United Airlines
Deal found 2/17$289
This United Airlines deal was found by Cheapflights users on 2/17. 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 7/97:40 am
FSD
-
DCA
1 stop7h 07m
United Airlines
Tue 7/145:00 pm
DCA
-
FSD
1 stop5h 38m
United Airlines
Deal found 2/17$291
This United Airlines deal was found by Cheapflights users on 2/14. 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.
Wed 3/411:21 am
FSD
-
IAD
1 stop5h 09m
United Airlines
Sat 3/75:10 pm
IAD
-
FSD
1 stop5h 53m
United Airlines
Deal found 2/14$294
This United Airlines deal was found by Cheapflights users on 2/15. 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 3/57:43 am
FSD
-
BWI
1 stop5h 23m
United Airlines
Tue 3/108:09 am
BWI
-
FSD
1 stop7h 23m
United Airlines
Deal found 2/15$294
This United Airlines deal was found by Cheapflights users on 2/15. 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 3/57:43 am
FSD
-
DCA
1 stop5h 30m
United Airlines
Tue 3/105:01 pm
DCA
-
FSD
1 stop6h 01m
United Airlines
Deal found 2/15$294

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 February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$264
(Trip.com)

One-way from

$101
(Kiwi.com)

Popular in

February

Cheapest in

April

Average price

$878
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. 22% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 18, 2026.
Use the filters below to find and compare flights from South Dakota to Washington, D.C. that are best for you.

Fly from

South Dakota

Fly to

Washington, D.C.

Route

Depart

Return

Price

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Sun 3/1

2:16 pm-1:00 pm

1 stop21h 44m

Washington, D.C. Reagan-National

Thu 3/5

6:00 pm-7:59 pm

1 stop26h 59m

$264

Sioux FallsBaltimore

FSD - BWI

FSDBWI

Sioux Falls Joe Foss Field

Tue 3/17

2:06 pm-10:00 pm

1 stop6h 54m

Baltimore/Washington

Tue 3/24

5:00 am-11:38 am

1 stop7h 38m

$271

Sioux FallsBaltimore

FSD - BWI

FSDBWI

Sioux Falls Joe Foss Field

Thu 4/16

1:41 pm-11:09 pm

1 stop8h 28m

Baltimore/Washington

Thu 4/23

7:00 am-12:56 pm

1 stop6h 56m

$279

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Tue 3/17

8:00 am-6:18 pm

2 stops9h 18m

Washington, D.C. Reagan-National

Tue 3/24

6:05 am-10:21 am

1 stop5h 16m

$284

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Thu 4/2

11:40 am-8:15 pm

1 stop6h 35m

Washington, D.C. Reagan-National

Mon 4/6

6:30 am-10:35 am

1 stop6h 05m

$289

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Sat 5/9

5:20 am-1:21 pm

1 stop6h 01m

Washington, D.C. Dulles Intl

Sun 5/24

6:30 am-12:29 pm

1 stop7h 59m

$289

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Thu 7/9

7:40 am-3:47 pm

1 stop7h 07m

Washington, D.C. Reagan-National

Tue 7/14

5:00 pm-9:38 pm

1 stop5h 38m

$291

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Tue 3/17

7:43 am-4:09 pm

1 stop7h 26m

Washington, D.C. Dulles Intl

Tue 3/24

5:26 pm-10:02 pm

1 stop5h 36m

$294

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Wed 3/4

11:21 am-5:30 pm

1 stop5h 09m

Washington, D.C. Dulles Intl

Sat 3/7

5:10 pm-10:03 pm

1 stop5h 53m

$294

Sioux FallsBaltimore

FSD - BWI

FSDBWI

Sioux Falls Joe Foss Field

Thu 3/5

7:43 am-2:06 pm

1 stop5h 23m

Baltimore/Washington

Tue 3/10

8:09 am-2:32 pm

1 stop7h 23m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Showing 1-10 of 60 results
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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, March is the cheapest month in which you can book a flight from South Dakota to Washington, D.C. (average of $182). Flying from South Dakota to Washington, D.C. in June is currently the most expensive (average of $293). 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.?

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 Frontier, American Airlines, and Delta fly from South Dakota to Washington, D.C. in about 6h 54m. The time it takes to get you to your destination can typically vary by up to 14h 50m. There are 1081 mi between South Dakota and Washington, D.C.. This flight may include one or multiple stops.

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

    $119 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $186 and $229, respectively.

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

    While some choose either Sioux Falls Joe Foss Field - Washington, D.C. Reagan-National or Sioux Falls Joe Foss Field - Baltimore/Washington, Sioux Falls Joe Foss Field - Washington, D.C. Dulles Intl 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, March is the cheapest month in which you can book a flight from South Dakota to Washington, D.C. (average of $182). Flying from South Dakota to Washington, D.C. in June is currently the most expensive (average of $293). 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Laurel
Linthicum Heights
Rockville
Upper Marlboro
Manassas
Bowie
Largo
McLean
Clinton
Towson

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 February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$189Average$390FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$376FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$426FlexibilityNo cancel feeOn-time69%

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