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Cheap flights from Montreal to Great Falls from C$ 856

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Great Falls departing on 15/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Montreal to Great Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:54 p.m. - 10:30 p.m.
YUL
-
GTF
35h 36m2 stops
Delta Logo
1:15 p.m. - 11:45 a.m.
GTF
-
YUL
20h 30m2 stops
C$ 856Delta
Thu, 15 Jan - Mon, 19 Jan
Delta Logo
12:54 p.m. - 5:30 p.m.
YUL
-
GTF
30h 36m2 stops
Delta Logo
1:15 p.m. - 11:45 a.m.
GTF
-
YUL
20h 30m2 stops
C$ 867Delta
Thu, 15 Jan - Mon, 19 Jan
Delta Logo
12:54 p.m. - 5:30 p.m.
YUL
-
GTF
30h 36m2 stops
Delta Logo
1:15 p.m. - 11:45 a.m.
GTF
-
YUL
20h 30m2 stops
C$ 897Delta
Thu, 15 Jan - Mon, 19 Jan
United Airlines Logo
6:00 a.m. - 9:53 p.m.
YUL
-
GTF
17h 53m2 stops
United Airlines Logo
2:29 p.m. - 4:58 p.m.
GTF
-
YUL
24h 29m1 stop
C$ 1,043United Airlines
Thu, 15 Jan - Mon, 19 Jan
United Airlines Logo
8:10 a.m. - 9:17 p.m.
YUL
-
GTF
15h 07m1 stop
United Airlines Logo
7:00 a.m. - 7:46 a.m.
GTF
-
YUL
22h 46m2 stops
C$ 1,051United Airlines
Sat, 16 May - Sun, 31 May
United Airlines Logo
5:25 p.m. - 9:53 p.m.
YUL
-
GTF
30h 28m1 stop
United Airlines Logo
2:29 p.m. - 11:30 a.m.
GTF
-
YUL
19h 01m2 stops
C$ 1,054United Airlines
Thu, 15 Jan - Mon, 19 Jan
United Airlines Logo
5:25 p.m. - 9:53 p.m.
YUL
-
GTF
30h 28m1 stop
United Airlines Logo
2:29 p.m. - 4:58 p.m.
GTF
-
YUL
24h 29m1 stop
C$ 1,083United Airlines
Thu, 15 Jan - Mon, 19 Jan
United Airlines Logo
5:25 p.m. - 9:53 p.m.
YUL
-
GTF
30h 28m1 stop
United Airlines Logo
2:29 p.m. - 4:58 p.m.
GTF
-
YUL
24h 29m1 stop
C$ 1,094United Airlines
Thu, 15 Jan - Mon, 19 Jan
United Airlines Logo
8:10 a.m. - 1:29 p.m.
YUL
-
GTF
7h 19m1 stop
United Airlines Logo
7:00 a.m. - 3:28 p.m.
GTF
-
YUL
6h 28m1 stop
C$ 1,445United Airlines
Sat, 16 May - Sun, 31 May

Delta flights from Montreal to Great Falls

Our best Delta deals on Montreal to Great Falls flight tickets
Delta
15 Jan
YUL12:54 p.m.Montreal Pierre Elliott Trudeau Intl
35h 36m
2 stops
GTF10:30 p.m.Great Falls
19 Jan
GTF1:15 p.m.Great Falls
20h 30m
2 stops
YUL11:45 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 856
Find similar
Delta
15 Jan
YUL12:54 p.m.Montreal Pierre Elliott Trudeau Intl
30h 36m
2 stops
GTF5:30 p.m.Great Falls
19 Jan
GTF1:15 p.m.Great Falls
20h 30m
2 stops
YUL11:45 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 867
Find similar
Delta
15 Jan
YUL12:54 p.m.Montreal Pierre Elliott Trudeau Intl
30h 36m
2 stops
GTF5:30 p.m.Great Falls
19 Jan
GTF1:15 p.m.Great Falls
20h 30m
2 stops
YUL11:45 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 897
Find similar

United Airlines flights from Montreal to Great Falls

Our best United Airlines deals on Montreal to Great Falls flight tickets
United Airlines
15 Jan
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
17h 53m
2 stops
GTF9:53 p.m.Great Falls
19 Jan
GTF2:29 p.m.Great Falls
24h 29m
1 stop
YUL4:58 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,043
Find similar
United Airlines
16 May
YUL8:10 a.m.Montreal Pierre Elliott Trudeau Intl
15h 07m
1 stop
GTF9:17 p.m.Great Falls
31 May
GTF7:00 a.m.Great Falls
22h 46m
2 stops
YUL7:46 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,051
Find similar
United Airlines
15 Jan
YUL5:25 p.m.Montreal Pierre Elliott Trudeau Intl
30h 28m
1 stop
GTF9:53 p.m.Great Falls
19 Jan
GTF2:29 p.m.Great Falls
19h 01m
2 stops
YUL11:30 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,054
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal to Great Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from Montreal to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

12:54 p.m.-10:30 p.m.

2 stops35h 36m

Great Falls

Mon 19/1

1:15 p.m.-11:45 a.m.

2 stops20h 30m

C$ 856

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

12:54 p.m.-5:30 p.m.

2 stops30h 36m

Great Falls

Mon 19/1

1:15 p.m.-11:45 a.m.

2 stops20h 30m

C$ 867

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

12:54 p.m.-5:30 p.m.

2 stops30h 36m

Great Falls

Mon 19/1

1:15 p.m.-11:45 a.m.

2 stops20h 30m

C$ 897

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

6:00 a.m.-9:53 p.m.

2 stops17h 53m

Great Falls

Mon 19/1

2:29 p.m.-4:58 p.m.

1 stop24h 29m

C$ 1,043

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

8:10 a.m.-9:17 p.m.

1 stop15h 07m

Great Falls

Sun 31/5

7:00 a.m.-7:46 a.m.

2 stops22h 46m

C$ 1,051

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

5:25 p.m.-9:53 p.m.

1 stop30h 28m

Great Falls

Mon 19/1

2:29 p.m.-11:30 a.m.

2 stops19h 01m

C$ 1,054

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

5:25 p.m.-9:53 p.m.

1 stop30h 28m

Great Falls

Mon 19/1

2:29 p.m.-4:58 p.m.

1 stop24h 29m

C$ 1,083

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

5:25 p.m.-9:53 p.m.

1 stop30h 28m

Great Falls

Mon 19/1

2:29 p.m.-4:58 p.m.

1 stop24h 29m

C$ 1,094

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

8:10 a.m.-1:29 p.m.

1 stop7h 19m

Great Falls

Sun 31/5

7:00 a.m.-3:28 p.m.

1 stop6h 28m

C$ 1,445

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Montreal to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to Great Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal to Great Falls (YMQ to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Great Falls

Fastest flight time

13h 47m

Direct flights

None
The fastest flight from Montreal to Great Falls takes 13h 47m
There are no direct flights from Montreal to Great Falls. There are no popular flight routes from Montreal to Great Falls.
Search flight deals

  • How far is Montreal to Great Falls by plane?

    The distance between Montreal and Great Falls is about 2866.5 km. A reasonable flight in good conditions will take 13h 47m.

  • When did momondo last update prices for flights from Montreal to Great Falls Airport?

    Prices for flights from Montreal to Great Falls Airport were last updated today.

  • How old do you have to be to fly from Montreal to Great Falls Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to Great Falls Airport.

  • What documentation or ID do you need to fly to Great Falls Airport?

    The required travel and health documents for your Great Falls Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Great Falls Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Montreal to Great Falls?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Montreal from Great Falls. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Montreal to Great Falls with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Travelling to a place near Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Great Falls?

It is quick and easy to find Montreal to Great Falls flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Great Falls that suits you.

Can I find flights from Montreal to Great Falls with flexible booking policies on momondo?

momondo does allow users to show only those flights to Great Falls from Montreal which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Montreal to Great Falls?

momondo provides multiple filters to help you find the best flight to Great Falls from Montreal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Montreal to Great Falls right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Montreal to Great Falls flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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