HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
South Dakota

$100+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — FSD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to South Dakota with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Delta)

One-way from

$100
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$367
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. 6% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 February 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. 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 4/236:00 amIAD - FSD
1 stop5h 12mDelta
Sat 4/264:20 pmFSD - IAD
1 stop6h 06mDelta
Deal found 2/20$217
This American Airlines deal was found by Cheapflights users on 2/20. 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 3/266:18 amIAD - RAP
1 stop7h 37mAmerican Airlines
Mon 3/3112:25 pmRAP - IAD
2 stops9h 33mAmerican Airlines
Deal found 2/20$274
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/136:10 amIAD - FSD
1 stop5h 34mUnited Airlines
Wed 3/196:38 pmFSD - IAD
1 stop4h 21mUnited Airlines
Deal found 2/20$310
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 5/511:47 amIAD - FSD
1 stop6h 18mAmerican Airlines
Sun 5/116:17 amFSD - IAD
1 stop9h 00mAmerican Airlines
Deal found 2/20$319
This Delta deal was found by Cheapflights users on 2/20. 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.
Mon 6/96:40 pmIAD - RAP
1 stop5h 16mDelta
Sat 6/1411:55 amRAP - IAD
2 stops9h 04mDelta
Deal found 2/20$329
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/1410:05 amIAD - RAP
1 stop8h 56mUnited Airlines
Mon 3/243:21 pmRAP - IAD
1 stop6h 02mUnited Airlines
Deal found 2/20$339
This Delta deal was found by Cheapflights users on 2/20. 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.
Fri 7/46:10 amIAD - ABR
2 stops8h 49mDelta
Wed 7/162:41 pmABR - IAD
1 stop7h 48mDelta
Deal found 2/20$524
This Mytrip deal was found by Cheapflights users on 2/20. 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 3/148:30 amIAD - FSD
2 stops27h 38mMultiple Airlines
Mon 3/1711:31 amFSD - IAD
3 stops22h 55mMultiple Airlines
Deal found 2/20$643

Find flights from Dulles Intl to South Dakota within your budget

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 February 20, 2025.

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

Wed 4/23

6:00 am-10:12 am

1 stop5h 12m

Sioux Falls Joe Foss Field

Sat 4/26

4:20 pm-11:26 pm

1 stop6h 06m

$217

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 3/26

6:18 am-11:55 am

1 stop7h 37m

Rapid City

Mon 3/31

12:25 pm-11:58 pm

2 stops9h 33m

$274

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Thu 3/13

6:10 am-10:44 am

1 stop5h 34m

Sioux Falls Joe Foss Field

Wed 3/19

6:38 pm-11:59 pm

1 stop4h 21m

$310

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Mon 5/5

11:47 am-5:05 pm

1 stop6h 18m

Sioux Falls Joe Foss Field

Sun 5/11

6:17 am-4:17 pm

1 stop9h 00m

$319

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Mon 6/9

6:40 pm-9:56 pm

1 stop5h 16m

Rapid City

Sat 6/14

11:55 am-10:59 pm

2 stops9h 04m

$329

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Fri 3/14

10:05 am-5:01 pm

1 stop8h 56m

Rapid City

Mon 3/24

3:21 pm-11:23 pm

1 stop6h 02m

$339

Washington, D.C.Aberdeen

IAD - ABR

IADABR

Washington, D.C. Dulles Intl

Fri 7/4

6:10 am-1:59 pm

2 stops8h 49m

Aberdeen

Wed 7/16

2:41 pm-11:29 pm

1 stop7h 48m

$524

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Fri 3/14

8:30 am-11:08 am

2 stops27h 38m

Sioux Falls Joe Foss Field

Mon 3/17

11:31 am-11:26 am

3 stops22h 55m

$643

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Wed 4/9

6:30 am-10:39 am

1 stop5h 09m

$100

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Wed 3/19

6:09 am-11:42 am

1 stop6h 33m

$140

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 15 results
1
2

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.

Travel insights for flights from Dulles Intl to South Dakota

Get recent, data-driven insights about flights from Dulles Intl to South Dakota including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 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
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

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
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

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
8,765 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

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
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

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 United Airlines, with whom users have recently found tickets for as low as $100. However, be on the lookout for offers from Delta and American 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 - Sioux Falls Joe Foss Field, Washington, D.C. Dulles Intl - Rapid City 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to South Dakota

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Miami flights
Dulles Intl to Orlando flights
Dulles Intl to Dallas/Fort Worth flights
Dulles Intl to Las Vegas flights
Reagan-National to Orlando flights
Baltimore to Dallas/Fort Worth flights
Reagan-National to Los Angeles flights
Baltimore to Fort Lauderdale flights
Dulles Intl to Los Angeles flights
Baltimore to Hobby flights
Dulles Intl to Miami flights
Baltimore to Miami flights
Reagan-National to Seattle flights
Baltimore to Las Vegas flights
Baltimore to Los Angeles flights
Baltimore to Orlando flights
Reagan-National to Las Vegas flights
Dulles Intl to O'Hare Intl flights
Dulles Intl to Hobby flights
Dulles Intl to Atlanta flights
Dulles Intl to Sky Harbor Intl flights
Reagan-National to Hobby flights
Baltimore to O'Hare Intl flights
Dulles Intl to Tampa flights
Dulles Intl to Denver flights
Dulles Intl to San Francisco flights
Dulles Intl to New Orleans flights
Reagan-National to O'Hare Intl flights
Reagan-National to Dallas/Fort Worth flights
Reagan-National to Tampa flights
Dulles Intl to Fort Lauderdale flights
Dulles Intl to Seattle flights
Reagan-National to San Francisco flights
Baltimore to Seattle flights
Reagan-National to Atlanta flights
Dulles Intl to George Bush Intcntl flights
Baltimore to George Bush Intcntl flights
Reagan-National to New Orleans flights
Reagan-National to Fort Lauderdale flights
Baltimore to San Francisco flights
Dulles Intl to Salt Lake City flights
Dulles Intl to West Palm Beach flights
Baltimore to Denver flights
Baltimore to Tampa flights
Reagan-National to Sky Harbor Intl flights
Baltimore to Sky Harbor Intl flights
Baltimore to New Orleans flights
Reagan-National to Salt Lake City flights
Baltimore to Atlanta flights
Reagan-National to Nashville flights

Top 2 airlines flying from Dulles Intl to South Dakota

Discover the top 2 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$522FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$270Average$503FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.