$197+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from South Dakota to Dulles Intl 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 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 June 12, 2025.
Round-trip from | $259 (United Airlines) |
|---|---|
One-way from | $197 (American Airlines) |
Popular in | February |
Cheapest in | November |
Average price | $414 |
Find flight deals from South Dakota to Dulles Intl
Cheapest flights from South Dakota to Dulles IntlExplore 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 June 12, 2025.
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 June 12, 2025.
This United Airlines deal was found by Cheapflights users on 6/10. 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.
This Delta deal was found by Cheapflights users on 6/12. 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.
This Delta deal was found by Cheapflights users on 6/11. 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.
This American Airlines deal was found by Cheapflights users on 6/11. 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.
This Mytrip deal was found by Cheapflights users on 6/12. 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.
This Mytrip deal was found by Cheapflights users on 6/10. 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.
This American Airlines deal was found by Cheapflights users on 6/11. 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.
This Frontier deal was found by Cheapflights users on 6/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/10. 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.
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 June 12, 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
Fly to
Route
Depart
Return
Price
Sioux FallsWashington, D.C.
FSD - IAD
FSDIAD
Sioux Falls Joe Foss Field
Tue 7/22
6:26 pm-12:30 am
1 stop5h 04m
Washington, D.C. Dulles Intl
Mon 7/28
5:13 pm-10:00 pm
1 stop5h 47m
Rapid CityWashington, D.C.
RAP - IAD
RAPIAD
Rapid City
Tue 7/22
4:30 pm-11:25 pm
1 stop4h 55m
Washington, D.C. Dulles Intl
Tue 7/29
6:39 pm-10:31 pm
1 stop5h 52m
Sioux FallsWashington, D.C.
FSD - IAD
FSDIAD
Sioux Falls Joe Foss Field
Fri 7/4
5:55 pm-11:19 pm
1 stop4h 24m
Washington, D.C. Dulles Intl
Fri 7/11
5:20 pm-11:03 pm
1 stop6h 43m
Sioux FallsWashington, D.C.
FSD - IAD
FSDIAD
Sioux Falls Joe Foss Field
Fri 6/27
8:03 pm-8:52 pm
1 stop23h 49m
Washington, D.C. Dulles Intl
Mon 6/30
3:13 pm-9:13 am
2 stops19h 00m
Sioux FallsWashington, D.C.
FSD - IAD
FSDIAD
Sioux Falls Joe Foss Field
Fri 7/25
8:06 pm-8:53 pm
1 stop23h 47m
Washington, D.C. Dulles Intl
Tue 7/29
12:34 pm-12:52 pm
3 stops25h 18m
Sioux FallsWashington, D.C.
FSD - IAD
FSDIAD
Sioux Falls Joe Foss Field
Tue 7/22
6:21 am-5:09 pm
2 stops9h 48m
Washington, D.C. Dulles Intl
Sat 7/26
11:07 am-10:49 pm
2 stops12h 42m
Rapid CityWashington, D.C.
RAP - IAD
RAPIAD
Rapid City
Fri 10/3
6:00 am-4:50 pm
1 stop8h 50m
Washington, D.C. Dulles Intl
Mon 10/6
6:05 pm-11:45 am
2 stops19h 40m
Sioux FallsWashington, D.C.
FSD - IAD
FSDIAD
Sioux Falls Joe Foss Field
Wed 6/25
7:48 pm-3:36 pm
2 stops18h 48m
Washington, D.C. Dulles Intl
Sun 6/29
9:57 pm-6:32 pm
2 stops21h 35m
Rapid CityWashington, D.C.
RAP - IAD
RAPIAD
Rapid City
Tue 6/24
6:20 am-2:28 pm
1 stop6h 08m
Washington, D.C. Dulles Intl
Thu 6/26
6:35 am-10:20 am
1 stop5h 45m
Sioux FallsWashington, D.C.
FSD - IAD
FSDIAD
Sioux Falls Joe Foss Field
Sat 8/16
6:00 am-7:49 pm
2 stops12h 49m
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.
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, August is the cheapest month in which you can book a flight from South Dakota to Washington, D.C. Dulles Intl Airport (average of $309). Flying from South Dakota to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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.
Rainfall in Dulles Intl by month
Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.
Temperature in Dulles Intl by month
Plan your trip to Dulles Intl by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated June 12, 2025.
See what other customers who have flown with Delta, United Airlines and Allegiant Air from South Dakota to Washington, D.C. have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
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.
Traveling to a place near South Dakota?
Book flights to South Dakota if you plan to visit one of these locationsBrowse 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 South Dakota to Dulles Intl
See prices for flight routes from nearby airports that may be better suited for you.
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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$216 | Average$358 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$288 | Average$534 | FlexibilityNo cancel fee | On-time69% |