The cheapest times to fly from COS to GTF are

  • January 1st to March 11th
  • July 2nd to November 11th (except the weeks of July 9th, July 16th, September 17th, October 1st, and October 15th)

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 COS to GTF is mid to late August. Prices can be as high as $618 for Sunday flights during mid to late November, or as low as $327 for Tuesday flights around mid to late August.


When to Fly to Great Falls

Flying from Colorado Springs, CO (COS) to Great Falls, MT (GTF) will usually cost between $362 to $564 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late August with an average ticket price of $377. Due to high demand the most expensive time to fly is mid to late November, with an average price of $524. Planning your trip to low-cost times can easily save you $147 on economy flights and even more on first-class flights. Generally, any price below $440 can be considered a good price for a round-trip COS to GTF flight.

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

COS to GTF Flight Prices

Compared to other flights, the COS to GTF flight is much cheaper than the average and costs much less than the average flight leaving from Colorado Springs. The average price per mile (for a direct flight) is $0.4, 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 $86 (17%) 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 $408. Return trip prices are from the GTF to COS 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 COS to GTF 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 13 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from COS to GTF while comparing.

Destination alternative #1: Bozeman Yellowstone International Airport (BZN) in Bozeman, MT

  • 118 miles (190 km) away from GTF
  • Usually 11.77% less expensive than GTF
  • 1-layover flights available

See COS to BZN flights

Destination alternative #2: Bert Mooney Airport (BTM) in Butte, MT

  • 118 miles (190 km) away from GTF
  • Usually 6.20% less expensive than GTF
  • 1-layover flights available

See COS to BTM flights


Flight Questions Answered

Still have questions about flying from COS to GTF? We’ve got answers.

Which airlines fly this route?

You can find 3 major airlines flying this route most often: American, Delta, United, and potentially more during busy seasons.

How far away is it from Great Falls International Airport to City of Colorado Springs Municipal Airport?

The distance between the two airports is roughly 687 miles or 1106 kilometers.

How long does it take to fly from COS to GTF?

The real-world flight time for a nonstop COS to GTF flight is about 2 hour 13 minutes.

How many flights go between Colorado Springs, CO and Great Falls, MT?

It depends on the day of the week and the date, but a typical day might have around 23 available flights from COS to GTF.


Airport Location Info


Departing Airport

Origination code COS
Origination airport name City of Colorado Springs Municipal Airport
City Colorado Springs, CO
Country the United States
Latitude 38.8
Longitude -104.7

Return Airport

Destination code GTF
Destination airport name Great Falls International Airport
City Great Falls, MT
Country the United States
Latitude 47.5
Longitude -111.4


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.