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South Dakota

$141+ Cheap flights from Dulles Intl (IAD) 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — FSD
dic. 6 — dic. 131
sáb. 12/6
sáb. 12/13
1 adult, Economy
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Find flight deals from Dulles Intl to South Dakota

Cheapest flights from Dulles Intl to South Dakota
Explore the most affordable flight options available from Dulles Intl to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 6, 2025.

This United Airlines deal was found by Cheapflights users on 11/6. 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.
vie. 11/286:30 amIAD - RAP
1 stop6h 04mUnited Airlines
sáb. 12/610:55 amRAP - IAD
1 stop6h 13mUnited Airlines
Deal found 11/6$269
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/85:15 pmIAD - FSD
1 stop5h 35mUnited Airlines
mar. 12/306:16 pmFSD - IAD
1 stop4h 59mUnited Airlines
Deal found 11/4$284
This Delta deal was found by Cheapflights users on 11/5. 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.
jue. 11/203:35 pmIAD - FSD
1 stop8h 34mDelta
lun. 11/245:18 amFSD - IAD
1 stop4h 49mDelta
Deal found 11/5$309
This United Airlines deal was found by Cheapflights users on 11/5. 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.
mié. 11/195:18 pmIAD - RAP
1 stop6h 41mUnited Airlines
dom. 11/2311:15 amRAP - IAD
1 stop8h 06mUnited Airlines
Deal found 11/5$339
This Delta deal was found by Cheapflights users on 11/5. 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.
mié. 11/196:59 pmIAD - RAP
1 stop5h 40mDelta
dom. 11/2311:07 amRAP - IAD
2 stops9h 56mDelta
Deal found 11/5$344
This Delta deal was found by Cheapflights users on 11/6. 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.
mar. 11/185:59 pmIAD - FSD
1 stop6h 10mDelta
mar. 12/25:14 amFSD - IAD
2 stops8h 26mDelta
Deal found 11/6$354
This United Airlines deal was found by Cheapflights users on 11/6. 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.
vie. 11/286:30 amIAD - RAP
1 stop6h 04mUnited Airlines
dom. 12/72:55 pmRAP - IAD
1 stop6h 20mUnited Airlines
Deal found 11/6$360
This United Airlines deal was found by Cheapflights users on 11/5. 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.
sáb. 11/225:15 pmIAD - FSD
1 stop5h 31mUnited Airlines
mar. 12/23:15 pmFSD - IAD
1 stop5h 03mUnited Airlines
Deal found 11/5$364
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/1910:43 amIAD - FSD
1 stop23h 44mMultiple Airlines
dom. 1/410:17 amFSD - IAD
2 stops24h 21mMultiple Airlines
Deal found 11/5$365
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/95:15 pmIAD - FSD
1 stop5h 35mUnited Airlines
mié. 12/313:08 pmFSD - IAD
1 stop5h 13mUnited Airlines
Deal found 11/4$367
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.
sáb. 11/156:03 amIAD - RAP
1 stop6h 24mDelta
jue. 11/202:51 pmRAP - IAD
1 stop7h 01mDelta
Deal found 11/3$374
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/2010:15 pmIAD - FSD
1 stop20h 27mMultiple Airlines
dom. 1/410:17 amFSD - IAD
2 stops24h 21mMultiple Airlines
Deal found 11/5$379

Cheap flight deals from Dulles Intl to South Dakota

Keep the following information in mind while searching for Dulles Intl to South Dakota flight deals. Data was last updated noviembre 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(American Airlines)

One-way from

$141
(eDestinos)

Popular in

April

Cheapest in

February

Average price

$368
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. Dulles Intl to South Dakota
Search Deals
One-way flight from Washington, D.C. Dulles Intl to South Dakota
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 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 Dulles Intl 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 noviembre 6, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to South Dakota that are best for you.

Fly from

Dulles Intl

Fly to

South Dakota

Route

Depart

Return

Price

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

jue. 12/4

6:25 am-4:43 pm

2 stops11h 18m

Sioux Falls Joe Foss Field

lun. 12/8

1:09 pm-10:59 pm

1 stop8h 50m

$264

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

vie. 11/28

6:30 am-10:34 am

1 stop6h 04m

Rapid City

sáb. 12/6

10:55 am-7:08 pm

1 stop6h 13m

$269

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

lun. 1/19

6:00 am-1:34 pm

1 stop9h 34m

Rapid City

sáb. 1/24

6:00 am-4:31 pm

1 stop8h 31m

$269

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

lun. 1/19

2:24 pm-8:32 pm

1 stop8h 08m

Rapid City

sáb. 1/24

12:35 pm-9:07 pm

1 stop6h 32m

$269

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

sáb. 1/10

12:35 pm-5:12 pm

1 stop6h 37m

Rapid City

sáb. 1/17

7:00 am-4:35 pm

1 stop7h 35m

$269

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

lun. 12/8

5:15 pm-9:50 pm

1 stop5h 35m

Sioux Falls Joe Foss Field

mar. 12/30

6:16 pm-12:15 am

1 stop4h 59m

$284

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

jue. 11/20

3:35 pm-11:09 pm

1 stop8h 34m

Sioux Falls Joe Foss Field

lun. 11/24

5:18 am-11:07 am

1 stop4h 49m

$309

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

vie. 11/21

8:25 am-12:40 pm

1 stop6h 15m

Rapid City

mié. 11/26

11:15 am-9:21 pm

1 stop8h 06m

$339

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

mié. 11/19

6:59 pm-10:39 pm

1 stop5h 40m

Rapid City

dom. 11/23

11:07 am-11:03 pm

2 stops9h 56m

$344

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

jue. 11/27

9:57 am-2:38 pm

1 stop6h 41m

Rapid City

mié. 12/3

2:55 pm-11:15 pm

1 stop6h 20m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 33 results
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Best time to book a flight from Dulles Intl to South Dakota

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

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South Dakota (average of $195). Flying from Washington, D.C. Dulles Intl Airport to South Dakota in December is currently the most expensive (average of $489). 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.

What is the cheapest time of day to fly from IAD to SD?

Find hourly flight availability from Dulles Intl to South Dakota. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 6, 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to South Dakota is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 23% on airfare.

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 noviembre 6, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Washington, D.C. Dulles Intl Airport to South Dakota to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,001 reviews

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,007 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,040 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

    American Airlines, United Airlines, and Delta can get you from Washington, D.C. Dulles Intl Airport to South Dakota in just under 6h 04m. Your travel time can differ by up to 5h 14m. There are 1364 mi between Washington, D.C. Dulles Intl Airport and South Dakota. 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 Washington, D.C. Dulles Intl Airport to South Dakota one-way?

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $210. However, be on the lookout for offers from Frontier and Delta, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to South Dakota for a low price.

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

    Most travelers choose Washington, D.C. Dulles Intl - Rapid City, Washington, D.C. Dulles Intl - Sioux Falls Joe Foss Field or Washington, D.C. Dulles Intl - Pierre when deciding on the best route from Washington, D.C. Dulles Intl Airport to South Dakota.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to South Dakota?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South Dakota (average of $195). Flying from Washington, D.C. Dulles Intl Airport to South Dakota in December is currently the most expensive (average of $489). 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.

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Alternative routes for Dulles Intl to South Dakota

See prices for flight routes from nearby airports that may be better suited for you.
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Reagan-National to Orlando flights
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Reagan-National to Atlanta flights
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Reagan-National to San Francisco flights
Dulles Intl to Atlanta flights
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Baltimore to Denver flights
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Baltimore to Tampa flights
Dulles Intl to New Orleans flights
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Dulles Intl to Boston flights
Reagan-National to Fort Lauderdale flights
Reagan-National to Seattle flights
Dulles Intl to John F Kennedy Intl flights
Baltimore to San Francisco flights
Reagan-National to Boston flights
Dulles Intl to George Bush Intcntl flights
Baltimore to Sky Harbor Intl flights
Baltimore to Midway flights
Baltimore to Atlanta flights
Reagan-National to Sky Harbor Intl flights
Baltimore to George Bush Intcntl flights
Dulles Intl to Midway flights
Reagan-National to Tampa flights
Reagan-National to George Bush Intcntl flights

Top 3 airlines flying from Dulles Intl to South Dakota

Discover the top 3 airlines that operate flights from Dulles Intl 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 noviembre 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$200Average$438FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$475FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$359Average$439FlexibilityNo cancel feeOn-time71%

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