The cheapest times to fly from GRB to FCA are

  • January 1st to February 4th
  • April 2nd to May 6th
  • June 4th to July 8th (except the week of June 25th)
  • July 30th to August 19th

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 GRB to FCA is early June. Prices can be as high as $965 for Monday flights during early to mid March, or as low as $318 for Wednesday flights around early June.


When to Fly to Kalispell

Flying from Green Bay, WI (GRB) to Kalispell, MT (FCA) will usually cost between $415 to $760 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early June with an average ticket price of $437. Due to high demand the most expensive time to fly is early to mid March, with an average price of $754. Planning your trip to low-cost times can easily save you $317 on economy flights and even more on first-class flights. Generally, any price below $551 can be considered a good price for a round-trip GRB to FCA flight.

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

GRB to FCA Flight Prices

Compared to other flights, the GRB to FCA flight is cheaper than the average and costs less than the average flight leaving from Green Bay. The average price per mile (for a direct flight) is $0.27, which is below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Mondays are the most expensive days to fly to Kalispell, and Sundays are the most expensive days to return to Green Bay. Selecting flights on the least expensive days could save you up to $122 (20%) 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 $496. Return trip prices are from the FCA to GRB 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 GRB to FCA can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 16 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 GRB to FCA while comparing.

Destination alternative #1: Missoula International Airport (MSO) in Missoula, MT

  • 97 miles (156 km) away from FCA
  • Usually 11.43% less expensive than FCA
  • 1-layover flights available

See GRB to MSO flights


Flight Questions Answered

Still have questions about flying from GRB to FCA? 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 Glacier Park International Airport to Green Bay Austin Straubel International Airport?

The distance between the two airports is roughly 1266 miles or 2037 kilometers.

How long does it take to fly from GRB to FCA?

The real-world flight time for a nonstop GRB to FCA flight is about 3 hour 16 minutes.

How many flights go between Green Bay, WI and Kalispell, MT?

It depends on the day of the week and the date, but a typical day might have around 86 available flights from GRB to FCA.


Airport Location Info


Departing Airport

Origination code GRB
Origination airport name Green Bay Austin Straubel International Airport
City Green Bay, WI
Country the United States
Latitude 44.5
Longitude -88.1

Return Airport

Destination code FCA
Destination airport name Glacier Park International Airport
City Kalispell, MT
Country the United States
Latitude 48.3
Longitude -114.3


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.