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South Dakota

$125+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — RAP
Jun 10 — Jun 171
Wed 6/10
Wed 6/17
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 May 11, 2026.

This Mytrip deal was found by Cheapflights users on 5/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:00 am
DCA
-
FSD
1 stop13h 23m
Frontier
Mon 8/108:14 pm
FSD
-
DCA
1 stop24h 45m
Frontier
Deal found 5/7$261
This Delta deal was found by Cheapflights users on 5/10. 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 11/312:00 pm
IAD
-
RAP
1 stop5h 46m
Delta
Tue 11/102:25 pm
RAP
-
IAD
1 stop7h 08m
Delta
Deal found 5/10$271
This CheapOair deal was found by Cheapflights users on 5/6. 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 6/57:00 am
DCA
-
FSD
1 stop9h 40m
Frontier
Fri 6/128:14 pm
FSD
-
DCA
1 stop15h 43m
Frontier
Deal found 5/6$280
This Delta deal was found by Cheapflights users on 5/6. 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 10/277:40 am
DCA
-
RAP
1 stop8h 12m
Delta
Sat 10/316:55 am
RAP
-
DCA
1 stop5h 03m
Delta
Deal found 5/6$281
This Delta deal was found by Cheapflights users on 5/6. 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 10/146:40 pm
IAD
-
RAP
1 stop5h 59m
Delta
Tue 10/204:00 pm
RAP
-
IAD
1 stop5h 33m
Delta
Deal found 5/6$281
This Delta deal was found by Cheapflights users on 5/6. 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 10/277:30 am
IAD
-
RAP
1 stop5h 42m
Delta
Sat 10/3111:30 am
RAP
-
IAD
2 stops10h 35m
Delta
Deal found 5/6$286
This United Airlines deal was found by Cheapflights users on 5/10. 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 8/2912:50 pm
IAD
-
RAP
1 stop6h 33m
United Airlines
Sat 9/58:55 am
RAP
-
IAD
1 stop8h 28m
United Airlines
Deal found 5/10$297
This Delta deal was found by Cheapflights users on 5/6. 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 6/36:30 am
DCA
-
RAP
1 stop6h 03m
Delta
Wed 6/104:29 pm
RAP
-
DCA
1 stop4h 57m
Delta
Deal found 5/6$300
This CheapOair deal was found by Cheapflights users on 5/10. 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 5/257:00 am
DCA
-
FSD
1 stop9h 40m
Frontier
Fri 5/294:25 pm
FSD
-
DCA
1 stop28h 33m
Frontier
Deal found 5/10$300
This Delta deal was found by Cheapflights users on 5/6. 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 6/236:00 am
IAD
-
RAP
1 stop6h 15m
Delta
Tue 6/306:48 am
RAP
-
IAD
2 stops10h 47m
Delta
Deal found 5/6$305
This Delta deal was found by Cheapflights users on 5/6. 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 10/277:40 am
DCA
-
RAP
1 stop5h 32m
Delta
Sun 11/14:00 pm
RAP
-
DCA
1 stop5h 29m
Delta
Deal found 5/6$310
This Delta deal was found by Cheapflights users on 5/7. 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 8/296:00 am
IAD
-
RAP
1 stop7h 26m
Delta
Mon 8/3110:40 am
RAP
-
IAD
1 stop5h 18m
Delta
Deal found 5/7$310

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 May 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$261
(Mytrip)

One-way from

$125
(Priceline)

Popular in

June

Cheapest in

November

Average price

$392
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. 11% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 11, 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.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Sun 8/30

6:05 am-10:01 am

1 stop5h 56m

Rapid City

Sat 9/5

6:20 am-6:23 pm

2 stops10h 03m

$305

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 5/27

6:00 am-10:33 am

1 stop6h 33m

Rapid City

Wed 6/3

4:33 pm-11:39 pm

1 stop5h 06m

$329

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sat 8/8

5:42 pm-11:16 pm

1 stop7h 34m

Rapid City

Thu 8/13

1:31 pm-9:20 pm

1 stop5h 49m

$332

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Wed 7/22

2:45 pm-10:26 pm

2 stops9h 41m

Rapid City

Fri 7/24

6:48 am-1:48 pm

1 stop5h 00m

$337

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Wed 7/22

6:10 pm-11:16 pm

1 stop7h 06m

Rapid City

Fri 7/24

1:35 pm-9:10 pm

1 stop5h 35m

$341

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Wed 5/27

2:45 pm-11:11 pm

2 stops9h 26m

Sioux Falls Joe Foss Field

Wed 6/3

4:16 pm-11:28 pm

1 stop6h 12m

$349

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Wed 7/1

3:02 pm-7:59 pm

1 stop5h 57m

Sioux Falls Joe Foss Field

Tue 7/7

5:20 am-2:01 pm

1 stop7h 41m

$349

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Sat 5/30

8:59 am-7:27 pm

2 stops11h 28m

Sioux Falls Joe Foss Field

Sat 6/6

1:35 pm-11:44 pm

2 stops9h 09m

$359

BaltimoreSioux Falls

BWI - FSD

BWIFSD

Baltimore/Washington

Wed 5/27

6:10 am-12:49 pm

2 stops7h 39m

Sioux Falls Joe Foss Field

Wed 6/3

4:16 pm-11:46 pm

1 stop6h 30m

$362

BaltimoreSioux Falls

BWI - FSD

BWIFSD

Baltimore/Washington

Thu 10/1

6:19 am-10:00 am

1 stop4h 41m

Sioux Falls Joe Foss Field

Mon 10/12

5:25 am-1:04 pm

1 stop6h 39m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

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, June is the cheapest month in which you can book a flight from Washington, D.C. to South Dakota (average of $140). 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 May 11, 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
7.9
Good
8,451 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Boarding

8.1

Overall

7.9

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
7.9
Good
8,451 reviews
Delta
7.9
Good
8,451 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Boarding

8.1

Overall

7.9

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
9,699 reviews
Delta
7.9
Good
8,451 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Boarding

8.1

Overall

7.9

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
11,667 reviews
Delta
7.9
Good
8,451 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Boarding

8.1

Overall

7.9

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 Delta and United Airlines fly from Washington, D.C. to South Dakota in about 5h 56m. The time it takes to get you to your destination can typically vary by up to 1h 38m. Washington, D.C. and South Dakota are separated by a distance of 1387 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. Dulles Intl - Rapid City. You may also consider Baltimore/Washington - Rapid City or Washington, D.C. Dulles Intl - 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, June is the cheapest month in which you can book a flight from Washington, D.C. to South Dakota (average of $140). 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

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

Discover the top 4 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 May 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$243FlexibilityNo cancel feeOn-time62%
DeltaCheapest$200Average$441FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$459FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$264Average$503FlexibilityNo cancel feeOn-time71%

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