The cheapest times to fly from YUL to GTF are

  • January 1st to February 25th
  • August 6th to December 16th (except the week of September 10th)

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 YUL to GTF is late January and early February. Prices can be as high as $1040 for Sunday flights during late December, or as low as $366 for Tuesday flights around late January and early February.


When to Fly to Great Falls

Flying from Montreal (YUL) to Great Falls, MT (GTF) will usually cost between $448 to $913 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January and early February with an average ticket price of $433. Due to high demand the most expensive time to fly is late December, with an average price of $846. Planning your trip to low-cost times can easily save you $413 on economy flights and even more on first-class flights. Generally, any price below $705 can be considered a good price for a round-trip YUL to GTF flight.

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

YUL to GTF Flight Prices

Compared to other flights, the YUL to GTF flight is cheaper than the average and costs slightly more than the average flight leaving from Montreal. The average price per mile (for a direct flight) is $0.25, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to GTF, and Wednesday the cheapest day to fly back into YUL. 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 $197 (22%) 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 $609. Return trip prices are from the GTF to YUL 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 YUL 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 4 hour 11 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 YUL to GTF while comparing.

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

  • 118 miles (190 km) away from GTF
  • Usually 25.46% less expensive than GTF
  • 1-layover flights available

See YUL to BZN flights

Destination alternative #2: Glacier Park International Airport (FCA) in Kalispell, MT

  • 145 miles (233 km) away from GTF
  • Usually 7.09% less expensive than GTF
  • 1-layover flights available

See YUL to FCA flights


Flight Hacking YUL to GTF

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 YUL to GTF — but Champion Traveler does!

Hack #1: Salt Lake City, UT (YUL > SLC > GTF)

  • Price for both tickets: $606
  • Average savings: $99 (14.08%)

See YUL to YYZ flights

Hack #2: Toronto (YUL > YYZ > GTF)

  • Price for both tickets: $655
  • Average savings: $51 (7.16%)

See YUL to SLC flights

Hack #3: Los Angeles, CA (YUL > LAX > GTF)

  • Price for both tickets: $695
  • Average savings: $11 (1.49%)

See YUL to LAX flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 7 major airlines flying this route most often: Air Canada, Alaska, American, Delta, United, Virgin Atlantic, WestJet, and potentially more during busy seasons.

How far away is it from Great Falls International Airport to Pierre Elliott Trudeau International Airport?

The distance between the two airports is roughly 1778 miles or 2861 kilometers.

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

The real-world flight time for a nonstop YUL to GTF flight is about 4 hour 11 minutes.

How many flights go between Montreal and Great Falls, MT?

It depends on the day of the week and the date, but a typical day might have around 21 available flights from YUL to GTF.


Airport Location Info


Departing Airport

Origination code YUL
Origination airport name Pierre Elliott Trudeau International Airport
City Montreal
Country Canada
Latitude 45.5
Longitude -73.7

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.