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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — WAS
Oct 16 — Oct 231
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.

Keep the following information in mind while searching for South Dakota to Washington, D.C. flight deals. Data was last updated September 16, 2025.

Round-trip from

$217
(Frontier)

One-way from

$158
(Kiwi.com)

Popular in

February

Cheapest in

October

Average price

$408
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. 23% potential increase in price ($124 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find 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 September 16, 2025.

This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/302:23 pmFSD - DCA
1 stop6h 36mFrontier
Mon 11/38:00 amDCA - FSD
1 stop6h 47mFrontier
Deal found 9/16$217
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/192:23 pmFSD - DCA
1 stop20h 41mFrontier
Wed 10/221:00 pmDCA - FSD
1 stop26h 24mFrontier
Deal found 9/16$229
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/262:54 pmFSD - DCA
1 stop6h 05mFrontier
Mon 9/297:00 amDCA - FSD
1 stop8h 09mFrontier
Deal found 9/14$239
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/146:10 pmFSD - IAD
1 stop5h 11mUnited Airlines
Tue 10/215:15 pmIAD - FSD
1 stop6h 07mUnited Airlines
Deal found 9/14$259
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 11/81:47 pmFSD - BWI
1 stop8h 10mUnited Airlines
Wed 11/1210:10 amBWI - FSD
1 stop7h 08mUnited Airlines
Deal found 9/15$259
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 10/3112:31 pmFSD - DCA
1 stop4h 36mAmerican Airlines
Tue 11/45:42 pmDCA - FSD
1 stop5h 45mAmerican Airlines
Deal found 9/14$259
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/62:54 pmFSD - BWI
2 stops18h 26mFrontier
Sat 10/118:01 pmBWI - FSD
2 stops18h 37mFrontier
Deal found 9/14$263
This Delta deal was found by Cheapflights users on 9/14. 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.
Fri 10/311:35 pmFSD - IAD
2 stops8h 43mDelta
Tue 11/46:18 amIAD - FSD
1 stop4h 55mDelta
Deal found 9/14$264
This Delta deal was found by Cheapflights users on 9/15. 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.
Sat 11/85:20 amFSD - DCA
2 stops8h 05mDelta
Tue 11/117:40 amDCA - FSD
1 stop6h 10mDelta
Deal found 9/15$264
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/62:54 pmFSD - BWI
2 stops18h 26mMultiple Airlines
Sat 10/118:01 pmBWI - FSD
1 stop13h 26mMultiple Airlines
Deal found 9/14$267
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/192:54 pmFSD - DCA
1 stop6h 05mFrontier
Mon 9/227:00 amDCA - FSD
1 stop8h 09mFrontier
Deal found 9/14$267
This Delta deal was found by Cheapflights users on 9/15. 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.
Sat 11/85:20 amFSD - DCA
2 stops8h 05mDelta
Wed 11/123:06 pmDCA - FSD
2 stops8h 54mDelta
Deal found 9/15$269

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 September 16, 2025.
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

Tue 10/14

6:10 pm-12:21 am

1 stop5h 11m

Washington, D.C. Dulles Intl

Tue 10/21

5:15 pm-10:22 pm

1 stop6h 07m

$259

Sioux FallsBaltimore

FSD - BWI

FSDBWI

Sioux Falls Joe Foss Field

Sat 2/21

10:58 am-6:49 pm

1 stop6h 51m

Baltimore/Washington

Wed 2/25

6:19 am-12:35 pm

1 stop7h 16m

$259

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Fri 10/31

12:31 pm-6:07 pm

1 stop4h 36m

Washington, D.C. Reagan-National

Tue 11/4

5:42 pm-10:27 pm

1 stop5h 45m

$259

Sioux FallsBaltimore

FSD - BWI

FSDBWI

Sioux Falls Joe Foss Field

Wed 2/18

7:45 am-1:56 pm

1 stop5h 11m

Baltimore/Washington

Sat 2/21

6:30 am-10:46 am

1 stop5h 16m

$259

Sioux FallsBaltimore

FSD - BWI

FSDBWI

Sioux Falls Joe Foss Field

Sat 11/8

1:47 pm-10:57 pm

1 stop8h 10m

Baltimore/Washington

Wed 11/12

10:10 am-4:18 pm

1 stop7h 08m

$259

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Wed 2/18

7:45 am-2:13 pm

1 stop5h 28m

Washington, D.C. Reagan-National

Sat 2/21

5:00 pm-9:57 pm

1 stop5h 57m

$259

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Thu 11/27

8:00 am-2:10 pm

1 stop5h 10m

Washington, D.C. Reagan-National

Tue 12/2

6:00 pm-9:50 pm

1 stop4h 50m

$259

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 10/31

1:35 pm-11:18 pm

2 stops8h 43m

Washington, D.C. Dulles Intl

Tue 11/4

3:33 pm-10:56 pm

1 stop8h 23m

$264

Sioux FallsBaltimore

FSD - BWI

FSDBWI

Sioux Falls Joe Foss Field

Thu 2/19

1:20 pm-10:59 pm

2 stops8h 39m

Baltimore/Washington

Sun 2/22

6:19 am-12:35 pm

1 stop7h 16m

$264

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Sat 11/8

5:20 am-2:25 pm

2 stops8h 05m

Washington, D.C. Reagan-National

Tue 11/11

7:40 am-12:50 pm

1 stop6h 10m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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, August is the cheapest month in which you can book a flight from South Dakota to Washington, D.C. (average of $292). Flying from South Dakota to Washington, D.C. in April is currently the most expensive (average of $337). 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 SD to WAS?

Find hourly flight availability from South Dakota to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Dakota to Washington, D.C. as you normally would.

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 United Airlines, Delta, and American Airlines fly from South Dakota to Washington, D.C. in about 4h 36m. The time it takes to get you to your destination can typically vary by up to 2h 15m. There are 1071 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?

    $160 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $216 and $216, respectively.

  • 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, August is the cheapest month in which you can book a flight from South Dakota to Washington, D.C. (average of $292). Flying from South Dakota to Washington, D.C. in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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 4 airlines flying from South Dakota to Washington, D.C.

Discover the top 4 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$182Average$420FlexibilityNo cancel feeOn-time71%
DeltaCheapest$224Average$380FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$225Average$239FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$245Average$492FlexibilityNo cancel feeOn-time69%

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.