The cheapest times to fly from SUN to FSD are

  • April 9th to May 20th
  • October 22nd to November 18th
  • December 17th to March 25th (except the weeks of January 1st, February 19th, and March 12th)

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 SUN to FSD is mid November. Prices can be as high as $1085 for Sunday flights during mid July, or as low as $320 for Tuesday flights around mid November.


When to Fly to Sioux Falls

Flying from Sun Valley/Hailey/Ketchum, ID (SUN) to Sioux Falls, SD (FSD) will usually cost between $434 to $896 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid November with an average ticket price of $529. Due to high demand the most expensive time to fly is mid July, with an average price of $823. Planning your trip to low-cost times can easily save you $294 on economy flights and even more on first-class flights. Generally, any price below $647 can be considered a good price for a round-trip SUN to FSD flight.

See below for a graph of average weekly prices for the SUN to FSD route. All prices are for round-trip tickets in USD.

SUN to FSD Flight Prices

Compared to other flights, the SUN to FSD flight is cheaper than the average and costs less than the average flight leaving from Sun Valley. The average price per mile (for a direct flight) is $0.46, which is a bit above average.


Flight Prices by Day of the Week

Tuesday 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 $210 (27%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $550. Return trip prices are from the FSD to SUN flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SUN 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 34 minutes may not be realistic.


Flight Hacking SUN to FSD

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SUN to FSD — but Champion Traveler does!

Hack #1: Salt Lake City, UT (SUN > SLC > FSD)

  • Price for both tickets: $619
  • Average savings: $28 (4.29%)

See SUN to SLC flights


Flight Questions Answered

Still have questions about flying from SUN to FSD? We’ve got answers.

Which airlines fly this route?

You can find 4 major airlines flying this route most often: Alaska, American, Delta, United, and potentially more during busy seasons.

How far away is it from Joe Foss Field Airport to Friedman Memorial Airport?

The distance between the two airports is roughly 877 miles or 1411 kilometers.

How long does it take to fly from SUN to FSD?

The real-world flight time for a nonstop SUN to FSD flight is about 2 hour 34 minutes.

How many flights go between Sun Valley/Hailey/Ketchum, ID and Sioux Falls, SD?

It depends on the day of the week and the date, but a typical day might have around 37 available flights from SUN to FSD.


Airport Location Info


Departing Airport

Origination code SUN
Origination airport name Friedman Memorial Airport
City Sun Valley/Hailey/Ketchum, ID
Country the United States
Latitude 43.5
Longitude -114.3

Return Airport

Destination code FSD
Destination airport name Joe Foss Field Airport
City Sioux Falls, SD
Country the United States
Latitude 43.6
Longitude -96.7


Other Resources

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.