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Dulles Intl

$177+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — IAD
févr. 1 — févr. 81
dim. 2/1
dim. 2/8
1 adult, Economy
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Cheap flight deals from South Dakota to Dulles Intl

Best flights from South Dakota to Dulles Intl
Discover carefully curated flight deals from South Dakota to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated janvier 2, 2026.

This American Airlines deal was found by Cheapflights users on 12/31. 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.
mer. 3/41:26 pmFSD - IAD
1 stop8h 27mAmerican Airlines
sam. 3/76:00 amIAD - FSD
1 stop7h 42mAmerican Airlines
Deal found 12/31$279
This Delta deal was found by Cheapflights users on 12/31. 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.
ven. 1/304:17 pmFSD - IAD
1 stop6h 40mDelta
ven. 2/62:15 pmIAD - FSD
1 stop6h 38mDelta
Deal found 12/31$279
This United Airlines deal was found by Cheapflights users on 1/1. 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.
ven. 2/207:40 amFSD - IAD
1 stop7h 25mUnited Airlines
lun. 2/235:17 pmIAD - FSD
1 stop5h 40mUnited Airlines
Deal found 1/1$292
This American Airlines deal was found by Cheapflights users on 1/1. 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.
sam. 2/282:21 pmRAP - IAD
1 stop6h 32mAmerican Airlines
jeu. 3/56:00 amIAD - RAP
1 stop9h 51mAmerican Airlines
Deal found 1/1$289
This Delta deal was found by Cheapflights users on 1/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 1/171:10 pmFSD - IAD
1 stop4h 46mDelta
mer. 1/213:42 pmIAD - FSD
1 stop8h 28mDelta
Deal found 1/1$309
This United Airlines deal was found by Cheapflights users on 1/1. 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.
mar. 3/33:15 pmFSD - IAD
1 stop5h 03mUnited Airlines
mar. 3/105:26 pmIAD - FSD
1 stop5h 36mUnited Airlines
Deal found 1/1$321
This United Airlines deal was found by Cheapflights users on 12/30. 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.
sam. 2/143:15 pmFSD - IAD
1 stop5h 03mUnited Airlines
mer. 2/181:02 pmIAD - FSD
1 stop5h 19mUnited Airlines
Deal found 12/30$359
This Delta deal was found by Cheapflights users on 1/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 2/2810:54 amRAP - IAD
2 stops11h 27mDelta
jeu. 3/57:15 amIAD - RAP
2 stops10h 29mDelta
Deal found 1/1$446
This American Airlines deal was found by Cheapflights users on 1/1. 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.
mer. 6/1012:23 pmRAP - IAD
1 stop8h 18mAmerican Airlines
dim. 6/146:22 amIAD - RAP
1 stop7h 52mAmerican Airlines
Deal found 1/1$460
This United Airlines deal was found by Cheapflights users on 12/30. 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.
mer. 1/1412:35 pmRAP - IAD
1 stop6h 36mUnited Airlines
sam. 1/174:11 pmIAD - RAP
1 stop8h 18mUnited Airlines
Deal found 12/30$419
This Delta deal was found by Cheapflights users on 1/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 6/102:25 pmRAP - IAD
2 stops6h 34mDelta
dim. 6/146:00 amIAD - RAP
2 stops9h 48mDelta
Deal found 1/1$835

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 janvier 2, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$279
(Delta)

One-way from

$177
(Kiwi.com)

Popular in

February

Cheapest in

January

Average price

$273
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.
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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. 19% potential increase in price ($103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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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 janvier 2, 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

South Dakota

Fly to

Dulles Intl

Route

Depart

Return

Price

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

mer. 3/4

1:26 pm-10:53 pm

1 stop8h 27m

Washington, D.C. Dulles Intl

sam. 3/7

6:00 am-12:42 pm

1 stop7h 42m

$279

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

ven. 1/30

4:17 pm-11:57 pm

1 stop6h 40m

Washington, D.C. Dulles Intl

ven. 2/6

2:15 pm-7:53 pm

1 stop6h 38m

$279

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

sam. 2/28

2:21 pm-10:53 pm

1 stop6h 32m

Washington, D.C. Dulles Intl

jeu. 3/5

6:00 am-1:51 pm

1 stop9h 51m

$289

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

ven. 2/20

7:40 am-4:05 pm

1 stop7h 25m

Washington, D.C. Dulles Intl

lun. 2/23

5:17 pm-9:57 pm

1 stop5h 40m

$292

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

sam. 1/17

1:10 pm-6:56 pm

1 stop4h 46m

Washington, D.C. Dulles Intl

mer. 1/21

3:42 pm-11:10 pm

1 stop8h 28m

$309

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

mar. 3/3

3:15 pm-9:18 pm

1 stop5h 03m

Washington, D.C. Dulles Intl

mar. 3/10

5:26 pm-10:02 pm

1 stop5h 36m

$321

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

sam. 2/14

3:15 pm-9:18 pm

1 stop5h 03m

Washington, D.C. Dulles Intl

mer. 2/18

1:02 pm-5:21 pm

1 stop5h 19m

$359

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

mer. 1/14

12:35 pm-9:11 pm

1 stop6h 36m

Washington, D.C. Dulles Intl

sam. 1/17

4:11 pm-10:29 pm

1 stop8h 18m

$419

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

sam. 2/28

10:54 am-12:21 am

2 stops11h 27m

Washington, D.C. Dulles Intl

jeu. 3/5

7:15 am-3:44 pm

2 stops10h 29m

$446

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

mer. 6/10

12:23 pm-10:41 pm

1 stop8h 18m

Washington, D.C. Dulles Intl

dim. 6/14

6:22 am-12:14 pm

1 stop7h 52m

$460

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/30

Showing 1-10 of 21 results
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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

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

Currently, April is the cheapest month in which you can book a flight from South Dakota to Washington, D.C. Dulles Intl Airport (average of $224). Flying from South Dakota to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $736). 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. 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?

    American Airlines, Delta, and United Airlines can get you from South Dakota to Washington, D.C. Dulles Intl Airport in just under 6h 40m. Your travel time can differ by up to 1h 47m. The distance from South Dakota to Washington, D.C. Dulles Intl Airport is about 1048 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.

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

    Currently, April is the cheapest month in which you can book a flight from South Dakota to Washington, D.C. Dulles Intl Airport (average of $224). Flying from South Dakota to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $736). 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. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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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
Los Angeles to Reagan-National flights
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San Francisco to Dulles Intl flights
George Bush Intcntl to Reagan-National flights
Denver to Baltimore flights
Fort Lauderdale to Baltimore flights
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Denver to Dulles Intl flights
Miami to Reagan-National flights
Seattle to Baltimore flights
Tampa to Dulles Intl flights
Minneapolis to Dulles Intl flights
Minneapolis to Baltimore flights
Hobby to Dulles Intl flights
Miami to Dulles Intl flights
Tampa to Reagan-National flights
John F Kennedy Intl to Dulles Intl flights
Sky Harbor Intl to Dulles Intl flights
Orlando to Baltimore flights
Charlotte to Dulles Intl flights
Minneapolis to Reagan-National flights
Orlando to Reagan-National flights
Miami to Baltimore flights
Hobby to Baltimore flights
George Bush Intcntl to Dulles Intl flights
Cleveland to Baltimore flights
LaGuardia to Reagan-National flights
Denver to Reagan-National flights
Detroit to Baltimore flights
Detroit to Dulles Intl flights
George Bush Intcntl to Baltimore 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 janvier 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$216Average$424FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$318Average$505FlexibilityNo cancel feeOn-time69%

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