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Dulles Intl

$172+ Cheap flights from South Dakota to Dulles Intl (IAD)

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — IAD
May 6 — May 131
Wed 5/6
Wed 5/13
1 adult, Economy
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Cheap flight deals from South Dakota to Dulles Intl

Cheapest flights from South Dakota to Dulles Intl
Explore the most affordable flight options available from South Dakota to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 6, 2026.

This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:41 pm
FSD
-
IAD
1 stop8h 45m
American Airlines
Tue 5/127:00 am
IAD
-
FSD
1 stop6h 56m
American Airlines
Deal found 4/1$299
This Delta deal was found by Cheapflights users on 4/5. 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 5/54:17 pm
FSD
-
IAD
2 stops7h 25m
Delta
Tue 5/126:00 am
IAD
-
FSD
1 stop7h 49m
Delta
Deal found 4/5$304
This United Airlines deal was found by Cheapflights users on 4/4. 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.
Fri 10/27:40 am
FSD
-
IAD
1 stop7h 21m
United Airlines
Tue 10/610:08 am
IAD
-
FSD
1 stop5h 27m
United Airlines
Deal found 4/4$319
This United Airlines deal was found by Cheapflights users on 4/2. 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 4/306:51 pm
FSD
-
IAD
1 stop4h 42m
United Airlines
Sat 5/26:15 am
IAD
-
FSD
1 stop5h 30m
United Airlines
Deal found 4/2$323
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:37 pm
FSD
-
IAD
1 stop5h 08m
United Airlines
Sat 5/305:38 pm
IAD
-
FSD
1 stop5h 29m
United Airlines
Deal found 4/6$330
This American Airlines deal was found by Cheapflights users on 4/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/241:41 pm
FSD
-
IAD
1 stop8h 45m
American Airlines
Sat 4/257:00 am
IAD
-
FSD
1 stop6h 56m
American Airlines
Deal found 4/3$339
This United Airlines deal was found by Cheapflights users on 4/2. 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 4/236:53 pm
FSD
-
IAD
1 stop4h 39m
United Airlines
Sat 4/258:20 am
IAD
-
FSD
1 stop7h 14m
United Airlines
Deal found 4/2$343
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Fri 5/16:52 pm
FSD
-
IAD
1 stop4h 41m
United Airlines
Fri 5/83:15 pm
IAD
-
FSD
1 stop7h 37m
United Airlines
Deal found 4/3$347
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Tue 6/304:40 pm
RAP
-
IAD
1 stop6h 05m
United Airlines
Tue 7/76:30 am
IAD
-
RAP
1 stop7h 59m
United Airlines
Deal found 4/3$349
This United Airlines deal was found by Cheapflights users on 4/4. 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 4/236:53 pm
FSD
-
IAD
1 stop4h 39m
United Airlines
Mon 4/275:26 pm
IAD
-
FSD
1 stop5h 28m
United Airlines
Deal found 4/4$354
This United Airlines deal was found by Cheapflights users on 4/5. 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.
Fri 5/110:00 am
RAP
-
IAD
1 stop7h 00m
United Airlines
Mon 5/45:20 pm
IAD
-
RAP
1 stop6h 35m
United Airlines
Deal found 4/5$380
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:40 am
RAP
-
IAD
1 stop5h 43m
United Airlines
Mon 4/204:00 pm
IAD
-
RAP
1 stop6h 44m
United Airlines
Deal found 4/1$399

Find flight deals from South Dakota to Dulles Intl

Keep the following information in mind while searching for South Dakota to Dulles Intl flight deals. Data was last updated April 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$299
(American Airlines)

One-way from

$172
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$353
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. Dulles Intl
Search Deals
One-way flight from South Dakota to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($51 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 April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Dakota to Dulles Intl 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 April 6, 2026.
Use the filters below to find and compare flights from South Dakota to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Wed 5/20

10:56 am-6:15 pm

1 stop6h 19m

Washington, D.C. Dulles Intl

Sun 5/24

6:00 am-12:49 pm

2 stops7h 49m

$374

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Tue 4/21

5:00 am-2:04 pm

2 stops8h 04m

Washington, D.C. Dulles Intl

Sat 4/25

6:00 am-1:03 pm

2 stops8h 03m

$379

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Wed 5/20

1:41 pm-11:26 pm

1 stop8h 45m

Washington, D.C. Dulles Intl

Sun 5/24

6:18 am-12:12 pm

1 stop6h 54m

$385
Quickest round-trip

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Thu 9/24

5:15 am-11:23 am

1 stop5h 08m

Washington, D.C. Dulles Intl

Tue 9/29

6:15 am-10:00 am

1 stop4h 45m

$392

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Tue 4/21

9:20 am-5:28 pm

1 stop6h 08m

Washington, D.C. Dulles Intl

Sat 4/25

1:10 pm-6:19 pm

1 stop7h 09m

$399

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Thu 4/16

11:40 am-7:23 pm

1 stop5h 43m

Washington, D.C. Dulles Intl

Mon 4/20

4:00 pm-8:44 pm

1 stop6h 44m

$399

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Sun 5/3

5:25 am-11:42 am

1 stop5h 17m

Washington, D.C. Dulles Intl

Sun 5/10

6:00 am-10:15 am

1 stop5h 15m

$399

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Wed 4/29

11:25 am-7:23 pm

1 stop6h 58m

Washington, D.C. Dulles Intl

Sat 5/2

5:15 pm-11:29 pm

1 stop7h 14m

$409

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Tue 4/28

7:39 am-4:03 pm

1 stop7h 24m

Washington, D.C. Dulles Intl

Sat 5/2

3:15 pm-9:52 pm

1 stop7h 37m

$409

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Sat 5/2

5:20 am-1:21 pm

1 stop6h 01m

Washington, D.C. Dulles Intl

Tue 5/5

5:20 pm-9:55 pm

1 stop6h 35m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/4

Showing 1-10 of 33 resultsSorted by cheapest first
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Best time to book a flight from South Dakota to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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. Dulles Intl Airport

How much does it cost to fly round-trip from South Dakota to Washington, D.C. Dulles Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from South Dakota to Dulles Intl. 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. Dulles Intl Airport?

    Delta, American Airlines, and United Airlines can get you from South Dakota to Washington, D.C. Dulles Intl Airport in just under 6h 08m. Your travel time can differ by up to 2h 37m. The distance from South Dakota to Washington, D.C. Dulles Intl Airport is about 1364 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from South Dakota to Dulles Intl that include hotel bookings?

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

  • How can I find direct flights from South Dakota to Dulles Intl?

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

  • Can I find deals for business class flights from South Dakota to Dulles Intl?

    Yes. Cheapflights offers flight deals from South Dakota to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Owings Mills
Springfield
Arlington
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Largo
Bowie
Clinton
Towson
Cordova
Manassas
Falls Church

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for South Dakota to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Dulles Intl flights
Dallas/Fort Worth to Baltimore flights
Los Angeles to Reagan-National flights
Los Angeles to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
Los Angeles to Baltimore flights
Seattle to Dulles Intl flights
Atlanta to Dulles Intl flights
Boston to Reagan-National flights
San Francisco to Dulles Intl flights
Boston to Dulles Intl flights
San Francisco to Reagan-National flights
Seattle to Reagan-National flights
Atlanta to Baltimore flights
Atlanta to Reagan-National flights
O'Hare Intl to Baltimore flights
Hobby to Reagan-National flights
San Francisco to Baltimore flights
Boston to Baltimore flights
Minneapolis to Dulles Intl flights
Hobby to Dulles Intl flights
Denver to Dulles Intl flights
O'Hare Intl to Reagan-National flights
O'Hare Intl to Dulles Intl flights
Orlando to Dulles Intl flights
Minneapolis to Reagan-National flights
Orlando to Reagan-National flights
Denver to Baltimore flights
Tampa to Dulles Intl flights
George Bush Intcntl to Reagan-National flights
George Bush Intcntl to Dulles Intl flights
LaGuardia to Reagan-National flights
Minneapolis to Baltimore flights
Austin to Dulles Intl flights
Detroit to Dulles Intl flights
Miami to Baltimore flights
Seattle to Baltimore flights
Miami to Reagan-National flights
John F Kennedy Intl to Dulles Intl flights
Tampa to Baltimore flights
Hobby to Baltimore flights
Fort Lauderdale to Baltimore flights
Orlando to Baltimore flights
Fort Lauderdale to Dulles Intl flights
Sky Harbor Intl to Dulles Intl flights
Detroit to Baltimore flights
San Diego to Dulles Intl flights
Miami to Dulles Intl flights
Denver to Reagan-National flights
Midway to Dulles Intl flights

Top 2 airlines flying from South Dakota to Dulles Intl

Discover the top 2 airlines that operate flights from South Dakota to Dulles Intl. 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 April 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$288Average$409FlexibilityNo cancel feeOn-time69%
DeltaCheapest$378Average$454FlexibilityNo cancel feeOn-timeN/A

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