The cheapest times to fly from IAD to FSD are
- January 1st to March 4th
- April 23rd to May 6th
- August 13th to November 18th
- early December
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from IAD to FSD is mid to late September. Prices can be as high as $681 for Sunday flights during early to mid June, or as low as $308 for Wednesday flights around mid to late September.
When to Fly to Sioux Falls
Flying from Washington, DC (IAD) to Sioux Falls, SD (FSD) will usually cost between $311 to $554 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $335. Due to high demand the most expensive time to fly is early to mid June, with an average price of $516. Planning your trip to low-cost times can easily save you $181 on economy flights and even more on first-class flights. Generally, any price below $385 can be considered a good price for a round-trip IAD to FSD flight.
See below for a graph of average weekly prices for the IAD to FSD route. All prices are for round-trip tickets in USD.
Compared to other flights, the IAD to FSD flight is much cheaper than the average and costs much less than the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.23, which is below average.
Flight Prices by Day of the Week
Wednesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $126 (27%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $338. Return trip prices are from the FSD to IAD flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from IAD to FSD can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 2 hour 52 minutes may not be realistic.
Flight Questions Answered
Still have questions about flying from IAD to FSD? We’ve got answers.
Which airlines fly this route?
You can find 4 major airlines flying this route most often: American, Delta, Frontier, United, and potentially more during busy seasons.
How far away is it from Joe Foss Field Airport to Washington Dulles International Airport?
The distance between the two airports is roughly 1048 miles or 1687 kilometers.
How long does it take to fly from IAD to FSD?
The real-world flight time for a nonstop IAD to FSD flight is about 2 hour 52 minutes.
How many flights go between Washington, DC and Sioux Falls, SD?
It depends on the day of the week and the date, but a typical day might have around 64 available flights from IAD to FSD.
Airport Location Info
|Origination airport name||Washington Dulles International Airport|
|Country||the United States|
|Destination airport name||Joe Foss Field Airport|
|City||Sioux Falls, SD|
|Country||the United States|
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.