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Washington, D.C.

$125+ 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — WAS
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
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 3, 2026.

This American Airlines deal was found by Cheapflights users on 2/2. 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.
Fri 2/271:26 pm
FSD
-
IAD
1 stop8h 27m
American Airlines
Fri 3/66:00 am
IAD
-
FSD
1 stop7h 41m
American Airlines
Deal found 2/2$279
This Delta deal was found by Cheapflights users on 2/2. 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 4/11:34 pm
FSD
-
DCA
1 stop7h 39m
Delta
Thu 4/96:05 am
DCA
-
FSD
1 stop5h 16m
Delta
Deal found 2/2$279
This Delta deal was found by Cheapflights users on 2/1. 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 4/178:05 am
FSD
-
DCA
2 stops9h 54m
Delta
Sat 4/256:59 pm
DCA
-
FSD
1 stop5h 03m
Delta
Deal found 2/1$284
This Sun Country Air deal was found by Cheapflights users on 2/3. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:27 pm
RAP
-
BWI
1 stop15h 57m
Sun Country Air
Mon 8/3112:29 pm
BWI
-
RAP
1 stop6h 01m
Sun Country Air
Deal found 2/3$285
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/3012:10 pm
RAP
-
BWI
1 stop6h 52m
United Airlines
Sun 5/36:15 am
BWI
-
RAP
1 stop6h 21m
United Airlines
Deal found 2/2$289
This Delta deal was found by Cheapflights users on 2/1. 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 5/21:44 pm
FSD
-
IAD
2 stops8h 19m
Delta
Sat 5/911:15 am
IAD
-
FSD
2 stops9h 34m
Delta
Deal found 2/1$289
This American Airlines deal was found by Cheapflights users on 2/2. 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 4/1511:53 am
RAP
-
DCA
1 stop5h 06m
American Airlines
Sat 4/186:00 am
DCA
-
RAP
1 stop7h 23m
American Airlines
Deal found 2/2$289
This United Airlines deal was found by Cheapflights users on 2/3. 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 stop8h 05m
United Airlines
Deal found 2/3$289
This Delta deal was found by Cheapflights users on 2/1. 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 5/21:44 pm
FSD
-
DCA
2 stops8h 06m
Delta
Sat 5/99:15 am
DCA
-
FSD
2 stops11h 34m
Delta
Deal found 2/1$289
This Delta deal was found by Cheapflights users on 2/1. 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 4/1410:58 am
RAP
-
BWI
1 stop5h 19m
Delta
Sat 4/185:36 pm
BWI
-
RAP
2 stops6h 44m
Delta
Deal found 2/1$294
This Delta deal was found by Cheapflights users on 2/1. 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 4/143:55 pm
RAP
-
IAD
1 stop5h 37m
Delta
Sat 4/185:15 pm
IAD
-
RAP
2 stops7h 05m
Delta
Deal found 2/1$294
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/227:39 am
FSD
-
BWI
1 stop5h 53m
United Airlines
Mon 4/273:42 pm
BWI
-
FSD
1 stop7h 07m
United Airlines
Deal found 2/2$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 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$279
(American Airlines)

One-way from

$125
(Frontier)

Popular in

February

Cheapest in

January

Average price

$683
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. 13% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 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 3, 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 - IAD

FSDIAD

Sioux Falls Joe Foss Field

Sat 4/11

5:20 am-11:55 am

1 stop5h 35m

Washington, D.C. Dulles Intl

Wed 4/15

6:37 pm-11:02 pm

1 stop5h 25m

$279

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Sat 5/2

7:30 am-2:14 pm

1 stop5h 44m

Washington, D.C. Reagan-National

Sat 5/9

6:30 am-10:42 am

1 stop5h 12m

$279

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Sat 4/11

4:25 pm-11:34 pm

1 stop6h 09m

Washington, D.C. Reagan-National

Wed 4/15

6:30 am-10:12 am

1 stop4h 42m

$279

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Wed 4/1

1:34 pm-10:13 pm

1 stop7h 39m

Washington, D.C. Reagan-National

Thu 4/9

6:05 am-10:21 am

1 stop5h 16m

$279

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Sat 5/2

4:17 pm-11:32 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Sat 5/9

5:16 pm-10:57 pm

2 stops6h 41m

$284

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Sat 5/2

1:44 pm-10:50 pm

2 stops8h 06m

Washington, D.C. Reagan-National

Sat 5/9

3:00 pm-7:26 pm

1 stop5h 26m

$284

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Fri 4/17

8:05 am-6:59 pm

2 stops9h 54m

Washington, D.C. Reagan-National

Sat 4/25

6:59 pm-11:02 pm

1 stop5h 03m

$284

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Wed 4/15

11:53 am-6:59 pm

1 stop5h 06m

Washington, D.C. Reagan-National

Sat 4/18

6:00 am-11:23 am

1 stop7h 23m

$289

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Thu 4/30

12:10 pm-9:02 pm

1 stop6h 52m

Baltimore/Washington

Sun 5/3

6:15 am-10:36 am

1 stop6h 21m

$289

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Sat 5/9

12:10 pm-7:28 pm

1 stop5h 18m

Washington, D.C. Dulles Intl

Sun 5/24

5:41 pm-10:24 pm

1 stop6h 43m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

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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 $277). 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 Delta, United Airlines, and American Airlines fly from South Dakota to Washington, D.C. in about 5h 06m. The time it takes to get you to your destination can typically vary by up to 38m. There are 1387 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. Dulles Intl or Sioux Falls Joe Foss Field - Baltimore/Washington, Sioux Falls Joe Foss Field - 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, 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 $277). 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
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton

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 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$189Average$380FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$371FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$444FlexibilityNo cancel feeOn-time69%

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