Washington, D.C.

$158+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — WAS
Jun 19 — Jun 261
We work with more than 300 partners to bring you better travel deals

Find cheap flights from South Dakota to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 20, 2026.

This Booking.com deal was found by Cheapflights users on 5/19. 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.
Wed 7/298:14 pm
FSD
-
DCA
1 stop15h 37m
Frontier
Fri 8/77:00 am
DCA
-
FSD
1 stop13h 23m
Frontier
Deal found 5/19$262
This Delta deal was found by Cheapflights users on 5/17. 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.
Tue 10/204:00 pm
RAP
-
DCA
1 stop5h 29m
Delta
Wed 10/287:40 am
DCA
-
RAP
1 stop8h 12m
Delta
Deal found 5/17$271
This Delta deal was found by Cheapflights users on 5/17. 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.
Tue 10/204:00 pm
RAP
-
IAD
1 stop5h 33m
Delta
Wed 10/287:30 am
IAD
-
RAP
1 stop5h 42m
Delta
Deal found 5/17$271
This Delta deal was found by Cheapflights users on 5/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:25 pm
RAP
-
DCA
1 stop5h 49m
Delta
Sat 10/311:45 pm
DCA
-
RAP
2 stops10h 54m
Delta
Deal found 5/16$276
This Booking.com deal was found by Cheapflights users on 5/19. 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.
Wed 8/58:14 pm
FSD
-
DCA
1 stop15h 37m
Frontier
Mon 8/101:59 pm
DCA
-
FSD
1 stop6h 24m
Frontier
Deal found 5/19$296
This Delta deal was found by Cheapflights users on 5/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:55 am
RAP
-
DCA
1 stop5h 03m
Delta
Sat 10/316:10 am
DCA
-
RAP
1 stop7h 02m
Delta
Deal found 5/16$300
This Booking.com deal was found by Cheapflights users on 5/20. 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.
Wed 6/37:18 pm
FSD
-
DCA
1 stop16h 41m
Frontier
Mon 6/87:00 am
DCA
-
FSD
1 stop9h 40m
Frontier
Deal found 5/20$302
This Delta deal was found by Cheapflights users on 5/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:20 am
RAP
-
DCA
2 stops10h 59m
Delta
Mon 9/216:50 pm
DCA
-
RAP
1 stop5h 08m
Delta
Deal found 5/16$305
This American Airlines deal was found by Cheapflights users on 5/19. 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 9/97:30 am
FSD
-
IAD
1 stop9h 24m
American Airlines
Sat 9/192:46 pm
IAD
-
FSD
1 stop8h 09m
American Airlines
Deal found 5/19$309
This American Airlines deal was found by Cheapflights users on 5/19. 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 8/512:07 pm
FSD
-
DCA
1 stop4h 55m
American Airlines
Tue 8/115:22 pm
DCA
-
FSD
1 stop8h 09m
American Airlines
Deal found 5/19$309
This Trip.com deal was found by Cheapflights users on 5/19. 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 5/294:25 pm
FSD
-
DCA
1 stop19h 34m
Frontier
Fri 6/57:00 am
DCA
-
FSD
1 stop9h 40m
Frontier
Deal found 5/19$312
This Booking.com deal was found by Cheapflights users on 5/18. 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.
Wed 6/178:14 pm
FSD
-
DCA
1 stop24h 45m
Frontier
Sun 6/286:00 pm
DCA
-
FSD
1 stop26h 19m
Frontier
Deal found 5/18$313

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 May 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$262
(Booking.com)

One-way from

$158
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$358
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Washington, D.C. (WAS) flights.
From South Dakota to Washington, D.C. (WAS)
One-way flight from South Dakota to Washington, D.C. (WAS)
Highest demand for flights based on searches. 12% potential increase in price ($56 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 20, 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 - IAD

RAPIAD

Rapid City

Tue 10/20

4:00 pm-11:33 pm

1 stop5h 33m

Washington, D.C. Dulles Intl

Wed 10/28

7:30 am-11:12 am

1 stop5h 42m

$271

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Wed 10/21

2:25 pm-11:29 pm

1 stop7h 04m

Washington, D.C. Reagan-National

Sun 10/25

7:40 am-11:12 am

1 stop5h 32m

$300

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Tue 11/3

4:09 pm-11:29 pm

1 stop6h 20m

Washington, D.C. Reagan-National

Tue 11/10

3:55 pm-10:12 pm

1 stop7h 17m

$309

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Wed 8/26

5:20 am-11:32 am

1 stop5h 12m

Washington, D.C. Dulles Intl

Sun 8/30

3:03 pm-7:59 pm

1 stop5h 56m

$314

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Wed 10/28

5:25 am-2:38 pm

1 stop8h 13m

Washington, D.C. Reagan-National

Mon 11/2

3:55 pm-10:12 pm

1 stop7h 17m

$314

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Wed 8/26

5:20 am-12:42 pm

1 stop6h 22m

Washington, D.C. Reagan-National

Mon 8/31

6:50 pm-10:46 pm

1 stop4h 56m

$314

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Wed 8/26

5:20 am-11:27 am

1 stop5h 07m

Washington, D.C. Reagan-National

Sun 8/30

6:05 am-10:20 am

1 stop5h 15m

$314
Quickest round-trip

Sioux FallsBaltimore

FSD - BWI

FSDBWI

Sioux Falls Joe Foss Field

Wed 10/28

5:15 am-10:37 am

1 stop4h 22m

Baltimore/Washington

Mon 11/2

6:59 pm-10:51 pm

1 stop4h 52m

$319

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Tue 10/20

6:55 am-7:19 pm

2 stops10h 24m

Washington, D.C. Reagan-National

Wed 10/28

7:40 am-11:12 am

1 stop5h 32m

$321

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Fri 8/21

10:26 am-7:34 pm

1 stop7h 08m

Baltimore/Washington

Tue 8/25

6:00 am-10:26 am

1 stop6h 26m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/19

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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, February 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 March 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 Delta, United Airlines, and American Airlines fly from South Dakota to Washington, D.C. in about 5h 33m. The time it takes to get you to your destination can typically vary by up to 1h 35m. There are 1364 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.?

  • 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, February 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 March 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
Tysons
Owings Mills
Springfield
Arlington
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Silver Spring
Hanover
Laurel
Woodbridge
Waldorf
Largo
Clinton
Hunt Valley
Cordova
Reston

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.

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 May 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$422FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$422FlexibilityNo cancel feeOn-time69%
DeltaCheapest$258Average$406FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.