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Dulles Intl

$216+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — IAD
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Find 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 November 5, 2025.

This Delta deal was found by Cheapflights users on 11/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/44:25 pmFSD - IAD
1 stop6h 37mDelta
Wed 12/106:56 pmIAD - FSD
1 stop5h 16mDelta
Deal found 11/4$259
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:25 pmRAP - IAD
1 stop5h 37mDelta
Mon 12/156:03 amIAD - RAP
1 stop6h 19mDelta
Deal found 11/2$269
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/216:23 pmFSD - IAD
1 stop4h 36mUnited Airlines
Sun 11/236:30 amIAD - FSD
1 stop5h 12mUnited Airlines
Deal found 11/3$309
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/191:30 pmFSD - IAD
2 stops9h 46mDelta
Sun 11/236:03 amIAD - FSD
1 stop5h 15mDelta
Deal found 11/3$314
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Tue 11/118:00 amFSD - IAD
1 stop6h 55mUnited Airlines
Sun 11/236:30 amIAD - FSD
1 stop5h 12mUnited Airlines
Deal found 11/2$329
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/185:15 amRAP - IAD
1 stop6h 11mUnited Airlines
Thu 1/812:35 pmIAD - RAP
1 stop6h 37mUnited Airlines
Deal found 11/2$329
This American Airlines deal was found by Cheapflights users on 11/3. 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 11/211:16 pmFSD - IAD
1 stop8h 25mAmerican Airlines
Sun 11/236:04 amIAD - FSD
1 stop7h 32mAmerican Airlines
Deal found 11/3$334
This Delta deal was found by Cheapflights users on 11/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1911:07 amRAP - IAD
1 stop5h 12mDelta
Sun 11/236:03 amIAD - RAP
1 stop6h 24mDelta
Deal found 11/4$339
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 12/181:16 pmFSD - IAD
1 stop8h 17mAmerican Airlines
Tue 12/306:05 amIAD - FSD
1 stop7h 23mAmerican Airlines
Deal found 11/3$364
This Delta deal was found by Cheapflights users on 11/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:51 pmRAP - IAD
1 stop7h 01mDelta
Fri 11/216:03 amIAD - RAP
1 stop6h 24mDelta
Deal found 11/4$374
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:07 amRAP - IAD
2 stops11h 09mDelta
Mon 11/175:03 pmIAD - RAP
2 stops7h 36mDelta
Deal found 11/2$384
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:36 amFSD - IAD
1 stop20h 44mAllegiant Air
Sun 12/218:16 pmIAD - FSD
2 stops22h 46mAllegiant Air
Deal found 11/3$386

Cheap 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 November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(Delta)

One-way from

$216
(United Airlines)

Popular in

February

Cheapest in

April

Average price

$333
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. 22% potential increase in price ($122 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 5, 2025.
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

Wed 1/7

3:11 pm-9:17 pm

1 stop5h 06m

Washington, D.C. Dulles Intl

Sun 1/11

5:17 pm-9:50 pm

1 stop5h 33m

$259

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Thu 12/4

4:25 pm-12:02 am

1 stop6h 37m

Washington, D.C. Dulles Intl

Wed 12/10

6:56 pm-11:12 pm

1 stop5h 16m

$259

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 12/5

10:57 am-6:12 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Tue 12/9

6:03 am-10:20 am

1 stop5h 17m

$259

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Thu 1/22

1:02 pm-12:24 am

2 stops10h 22m

Washington, D.C. Dulles Intl

Sat 1/24

12:38 pm-11:06 pm

2 stops11h 28m

$269

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Thu 12/11

4:25 pm-12:02 am

1 stop5h 37m

Washington, D.C. Dulles Intl

Mon 12/15

6:03 am-10:22 am

1 stop6h 19m

$269

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 11/21

6:23 pm-11:59 pm

1 stop4h 36m

Washington, D.C. Dulles Intl

Sun 11/23

6:30 am-10:42 am

1 stop5h 12m

$309

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Wed 11/19

4:19 pm-11:52 pm

1 stop6h 33m

Washington, D.C. Dulles Intl

Sun 11/23

5:59 pm-11:09 pm

1 stop6h 10m

$309

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Thu 11/20

5:18 am-11:07 am

1 stop4h 49m

Washington, D.C. Dulles Intl

Mon 11/24

6:03 am-10:18 am

1 stop5h 15m

$309

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Thu 12/18

5:15 am-1:26 pm

1 stop6h 11m

Washington, D.C. Dulles Intl

Thu 1/8

12:35 pm-5:12 pm

1 stop6h 37m

$329

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Wed 11/19

11:07 am-6:19 pm

1 stop5h 12m

Washington, D.C. Dulles Intl

Sun 11/23

6:03 am-10:27 am

1 stop6h 24m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 25 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 $239). 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?

    United Airlines and Delta can get you from South Dakota to Washington, D.C. Dulles Intl Airport in just under 5h 06m. Your travel time can differ by up to 1h 09m. 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.

  • What are the cheapest airlines to fly from South Dakota to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airlines for a one-way flight from South Dakota to Washington, D.C. Dulles Intl Airport are United Airlines ($216), Delta ($216), and Allegiant Air ($243).

  • 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 $239). 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
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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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.
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San Francisco to Reagan-National flights
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Boston to Dulles Intl flights
Seattle to Baltimore flights
Minneapolis to Baltimore flights
Detroit to Baltimore flights
George Bush Intcntl to Reagan-National flights
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Orlando to Dulles Intl flights
Miami to Dulles Intl flights
Denver to Reagan-National flights
Tampa to Reagan-National flights
Orlando to Baltimore flights
George Bush Intcntl to Baltimore flights
John F Kennedy Intl to Reagan-National flights
Minneapolis to Dulles Intl flights
Minneapolis to Reagan-National flights
Tampa to Baltimore flights
Midway to Reagan-National flights
Miami to Reagan-National 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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$273Average$413FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$318Average$529FlexibilityNo cancel feeOn-time69%

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