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South Dakota

$178+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — FSD
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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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 April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$305
(Delta)

One-way from

$189
(Delta)

Popular in

December

Cheapest in

February

Average price

$409
Provider with most accurate pricing for Washington, D.C. (WAS)-Sioux Falls Joe Foss Field flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sioux Falls Joe Foss Field flights.
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From Washington, D.C. Dulles Intl to South Dakota
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One-way flight from Washington, D.C. Dulles Intl to South Dakota
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Highest demand for flights based on searches. 9% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 29, 2025.

This Delta deal was found by Cheapflights users on 4/29. 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 8/57:04 pmIAD - RAP
1 stop5h 27mDelta
Tue 8/122:20 pmRAP - IAD
1 stop7h 09mDelta
Deal found 4/29$305
This American Airlines deal was found by Cheapflights users on 4/29. 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 8/56:35 amIAD - RAP
2 stops11h 33mAmerican Airlines
Tue 8/1212:19 pmRAP - IAD
2 stops8h 42mAmerican Airlines
Deal found 4/29$315
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/306:35 amIAD - RAP
1 stop6h 48mUnited Airlines
Thu 6/54:30 pmRAP - IAD
1 stop6h 04mUnited Airlines
Deal found 4/29$360
This Delta deal was found by Cheapflights users on 4/29. 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 5/286:25 amIAD - FSD
1 stop4h 50mDelta
Tue 6/35:00 amFSD - IAD
1 stop5h 16mDelta
Deal found 4/29$373
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Wed 6/119:10 amIAD - FSD
2 stops15h 48mAmerican Airlines
Fri 6/205:56 pmFSD - IAD
2 stops15h 52mAmerican Airlines
Deal found 4/27$400
This Delta deal was found by Cheapflights users on 4/28. 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 10/226:10 amIAD - ABR
2 stops8h 49mDelta
Sat 10/252:41 pmABR - IAD
1 stop7h 53mDelta
Deal found 4/28$472
This United Airlines deal was found by Cheapflights users on 4/28. 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 8/148:30 amIAD - FSD
1 stop7h 05mUnited Airlines
Mon 8/188:00 amFSD - IAD
1 stop4h 49mUnited Airlines
Deal found 4/28$487
This Mytrip deal was found by Cheapflights users on 4/28. 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.
Fri 5/28:30 amIAD - FSD
2 stops28h 38mMultiple Airlines
Sun 5/411:20 amFSD - IAD
2 stops24h 34mMultiple Airlines
Deal found 4/28$857

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 April 29, 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.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 8/5

7:04 pm-10:31 pm

1 stop5h 27m

Rapid City

Tue 8/12

2:20 pm-11:29 pm

1 stop7h 09m

$305

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 8/5

6:35 am-4:08 pm

2 stops11h 33m

Rapid City

Tue 8/12

12:19 pm-11:01 pm

2 stops8h 42m

$315

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Fri 5/30

6:35 am-11:23 am

1 stop6h 48m

Rapid City

Thu 6/5

4:30 pm-12:34 am

1 stop6h 04m

$360

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Wed 5/28

6:25 am-10:15 am

1 stop4h 50m

Sioux Falls Joe Foss Field

Tue 6/3

5:00 am-11:16 am

1 stop5h 16m

$373

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Wed 6/11

9:10 am-11:58 pm

2 stops15h 48m

Sioux Falls Joe Foss Field

Fri 6/20

5:56 pm-10:48 am

2 stops15h 52m

$400

Washington, D.C.Aberdeen

IAD - ABR

IADABR

Washington, D.C. Dulles Intl

Wed 10/22

6:10 am-1:59 pm

2 stops8h 49m

Aberdeen

Sat 10/25

2:41 pm-11:34 pm

1 stop7h 53m

$472

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Wed 5/28

6:48 am-10:45 am

1 stop4h 57m

Sioux Falls Joe Foss Field

Mon 6/2

6:35 pm-12:30 am

1 stop4h 55m

$501

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Fri 5/2

8:30 am-12:08 pm

2 stops28h 38m

Sioux Falls Joe Foss Field

Sun 5/4

11:20 am-12:54 pm

2 stops24h 34m

$857

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sun 8/31

12:00 pm-4:04 pm

1 stop6h 04m

$178

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Thu 5/29

5:40 pm-11:25 pm

1 stop6h 45m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 14 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South Dakota (average of $334). Flying from Washington, D.C. Dulles Intl Airport to South Dakota in December is currently the most expensive (average of $446). 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 April 29, 2025.

When flying from Washington, D.C. Dulles Intl Airport to South Dakota, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in South Dakota by month

Plan your trip to South Dakota by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Dakota ranges from 0.6 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit South Dakota when rainfall is around 0.6 in.

Temperature in South Dakota by month

Plan your trip to South Dakota by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Dakota, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

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 April 29, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from Washington, D.C. to South Dakota to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 Delta, with whom users have recently found tickets for as low as $189. However, be on the lookout for offers from American Airlines and United Airlines, 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 - Aberdeen 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South Dakota (average of $334). Flying from Washington, D.C. Dulles Intl Airport to South Dakota in December is currently the most expensive (average of $446). 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 Dulles Intl to South Dakota

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$438FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$270Average$478FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$359Average$523FlexibilityNo cancel feeOn-time71%

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