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South Dakota

$109+ Cheap flights from Washington, D.C. (WAS) to South Dakota

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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — FSD
Jul 27 — Aug 31
Mon 7/27
Mon 8/3
1 adult, Economy
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Cheap flight deals from Washington, D.C. to South Dakota

Cheapest flights from Washington, D.C. to South Dakota
Explore the most affordable flight options available from Washington, D.C. to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.

This Frontier deal was found by Cheapflights users on 6/24. 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 7/277:00 am
DCA
-
FSD
1 stop13h 23m
Frontier
Wed 8/58:08 pm
FSD
-
DCA
1 stop15h 43m
Frontier
Deal found 6/24$229
This CheapOair deal was found by Cheapflights users on 6/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:00 am
DCA
-
FSD
1 stop13h 23m
Frontier
Wed 7/228:08 pm
FSD
-
DCA
1 stop15h 43m
Frontier
Deal found 6/22$240
This CheapOair deal was found by Cheapflights users on 6/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:00 am
DCA
-
FSD
1 stop13h 23m
Frontier
Wed 7/158:08 pm
FSD
-
DCA
1 stop24h 51m
Frontier
Deal found 6/24$250
This CheapOair deal was found by Cheapflights users on 6/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 pm
DCA
-
FSD
1 stop26h 23m
Frontier
Fri 7/178:08 pm
FSD
-
DCA
1 stop24h 51m
Frontier
Deal found 6/25$255
This CheapOair deal was found by Cheapflights users on 6/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:00 am
DCA
-
FSD
1 stop13h 23m
Frontier
Mon 7/138:08 pm
FSD
-
DCA
1 stop24h 51m
Frontier
Deal found 6/23$260
This CheapOair deal was found by Cheapflights users on 6/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:00 am
DCA
-
FSD
1 stop13h 23m
Frontier
Wed 7/228:08 pm
FSD
-
DCA
1 stop15h 43m
Frontier
Deal found 6/25$270
This Delta deal was found by Cheapflights users on 6/23. 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 10/246:50 pm
DCA
-
RAP
1 stop5h 49m
Delta
Tue 10/274:00 pm
RAP
-
DCA
1 stop5h 29m
Delta
Deal found 6/23$271
This United Airlines deal was found by Cheapflights users on 6/23. 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 10/176:10 am
IAD
-
RAP
1 stop6h 05m
United Airlines
Tue 10/2011:17 am
RAP
-
IAD
1 stop6h 09m
United Airlines
Deal found 6/23$271
This CheapOair deal was found by Cheapflights users on 6/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:59 pm
DCA
-
FSD
1 stop29h 37m
Frontier
Mon 10/127:31 pm
FSD
-
DCA
1 stop16h 19m
Frontier
Deal found 6/25$271
This CheapOair deal was found by Cheapflights users on 6/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:00 pm
DCA
-
FSD
1 stop26h 23m
Frontier
Fri 7/318:08 pm
FSD
-
DCA
1 stop24h 51m
Frontier
Deal found 6/24$275
This Delta deal was found by Cheapflights users on 6/23. 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 10/176:00 am
IAD
-
RAP
2 stops11h 46m
Delta
Tue 10/204:00 pm
RAP
-
IAD
1 stop5h 33m
Delta
Deal found 6/23$276
This Kiwi.com deal was found by Cheapflights users on 6/23. 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.
Tue 8/45:21 pm
BWI
-
RAP
1 stop17h 40m
Multiple Airlines
Wed 8/129:51 am
RAP
-
BWI
1 stop21h 03m
Multiple Airlines
Deal found 6/23$277

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

Keep the following information in mind while searching for Washington, D.C. to South Dakota flight deals. Data was last updated June 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$229
(Frontier)

One-way from

$109
(Kiwi.com)

Popular in

May

Cheapest in

November

Average price

$399
Provider with most accurate pricing for Washington, D.C. (WAS)-Sioux Falls Joe Foss Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sioux Falls Joe Foss Field flights.
Search Deals
From Washington, D.C. (WAS) to South Dakota
Search Deals
One-way flight from Washington, D.C. (WAS) to South Dakota
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to South Dakota 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 June 27, 2026.
Use the filters below to find and compare flights from Washington, D.C. to South Dakota that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Tue 9/8

6:09 am-12:17 pm

1 stop7h 08m

Sioux Falls Joe Foss Field

Tue 9/15

12:56 pm-8:24 pm

1 stop6h 28m

$319

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Sat 7/25

5:42 pm-11:31 pm

1 stop6h 49m

Sioux Falls Joe Foss Field

Sat 8/1

6:28 pm-12:45 am

1 stop5h 17m

$319

BaltimoreSioux Falls

BWI - FSD

BWIFSD

Baltimore/Washington

Wed 10/21

4:39 pm-10:12 pm

1 stop6h 33m

Sioux Falls Joe Foss Field

Sun 10/25

5:15 am-10:37 am

1 stop4h 22m

$339

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Thu 8/13

1:45 pm-7:59 pm

1 stop7h 14m

Sioux Falls Joe Foss Field

Tue 8/18

4:28 pm-11:50 pm

1 stop6h 22m

$339

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Tue 7/14

6:10 am-10:41 am

1 stop5h 31m

Sioux Falls Joe Foss Field

Sat 7/18

6:28 pm-12:45 am

1 stop5h 17m

$344

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Mon 7/27

12:10 pm-5:37 pm

1 stop7h 27m

Rapid City

Fri 7/31

7:05 pm-11:24 am

1 stop14h 19m

$355

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Fri 9/25

4:13 pm-8:52 pm

1 stop6h 39m

Rapid City

Tue 9/29

8:57 am-7:40 pm

1 stop8h 43m

$357

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Sat 8/22

4:20 pm-8:37 pm

1 stop6h 17m

Rapid City

Wed 8/26

1:31 pm-9:09 pm

1 stop5h 38m

$361

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Sat 7/25

12:27 pm-7:56 pm

1 stop8h 29m

Sioux Falls Joe Foss Field

Tue 7/28

5:00 am-11:00 am

1 stop5h 00m

$369

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Fri 9/25

4:13 pm-10:30 pm

1 stop8h 17m

Rapid City

Sat 10/3

8:57 am-7:40 pm

1 stop8h 43m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

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

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

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

Currently, December is the cheapest month in which you can book a flight from Washington, D.C. to South Dakota (average of $142). Flying from Washington, D.C. to South Dakota in February is currently the most expensive (average of $319). 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 Washington, D.C. to South Dakota?

Reviews of airlines servicing South Dakota

Get insights into the airlines that provide service to South Dakota. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to South Dakota. Reviews last updated June 27, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Washington, D.C. to South Dakota. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,451 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

7.8

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,451 reviews
Delta
7.8
Good
8,451 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

7.8

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,896 reviews
Delta
7.8
Good
8,451 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

7.8

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,779 reviews
Delta
7.8
Good
8,451 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

7.8

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to South Dakota. 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 Washington, D.C. to South Dakota?

    Airlines like American Airlines, United Airlines, and Delta fly from Washington, D.C. to South Dakota in about 6h 33m. The time it takes to get you to your destination can typically vary by up to 35m. Washington, D.C. and South Dakota are separated by a distance of 1081 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The most popular route from Washington, D.C. to South Dakota is Washington, D.C. Reagan-National - Sioux Falls Joe Foss Field. You may also consider Washington, D.C. Dulles Intl - Sioux Falls Joe Foss Field or Baltimore/Washington - Sioux Falls Joe Foss Field.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to South Dakota.

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

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

    Currently, December is the cheapest month in which you can book a flight from Washington, D.C. to South Dakota (average of $142). Flying from Washington, D.C. to South Dakota in February is currently the most expensive (average of $319). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to South Dakota

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

Discover the top 3 airlines that operate flights from Washington, D.C. to South Dakota. 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 June 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$200Average$438FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$480FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$514FlexibilityNo cancel feeOn-time71%

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