The cheapest times to fly from GTF to FSD are
- January 1st to March 4th (except the week of February 5th)
- April 16th to April 29th
- August 13th to November 18th (except the week of September 3rd)
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 GTF to FSD is late October. Prices can be as high as $825 for Monday flights during mid December, or as low as $294 for Saturday flights around late October.
When to Fly to Sioux Falls
Flying from Great Falls, MT (GTF) to Sioux Falls, SD (FSD) will usually cost between $375 to $680 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October with an average ticket price of $448. Due to high demand the most expensive time to fly is mid December, with an average price of $673. Planning your trip to low-cost times can easily save you $225 on economy flights and even more on first-class flights. Generally, any price below $543 can be considered a good price for a round-trip GTF to FSD flight.
See below for a graph of average weekly prices for the GTF to FSD route. All prices are for round-trip tickets in USD.
Compared to other flights, the GTF to FSD flight is cheaper than the average and costs less than the average flight leaving from Great Falls. The average price per mile (for a direct flight) is $0.45, which is a bit above average.
Flight Prices by Day of the Week
Saturday is usually the cheapest day to fly to FSD, and Tuesday the cheapest day to fly back into GTF. Mondays are the most expensive days to fly to Sioux Falls, and Sundays are the most expensive days to return to Great Falls. Selecting flights on the least expensive days could save you up to $102 (17%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Saturday and returning a week later will cost an average of $486. Return trip prices are from the FSD to GTF 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 GTF 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 21 minutes may not be realistic.
Flight Hacking GTF 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 GTF to FSD — but Champion Traveler does!
- Price for both tickets: $488
- Average savings: $55 (10.14%)
- Price for both tickets: $503
- Average savings: $40 (7.28%)
Flight Questions Answered
Still have questions about flying from GTF 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 Great Falls International Airport?
The distance between the two airports is roughly 756 miles or 1217 kilometers.
How long does it take to fly from GTF to FSD?
The real-world flight time for a nonstop GTF to FSD flight is about 2 hour 21 minutes.
How many flights go between Great Falls, MT and Sioux Falls, SD?
It depends on the day of the week and the date, but a typical day might have around 23 available flights from GTF to FSD.
Airport Location Info
|Origination airport name||Great Falls International Airport|
|City||Great Falls, MT|
|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.