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Cheap flights from Montreal to Great Falls from C$ 534

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Great Falls departing on 11/7. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Montreal to Great Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:00 a.m. - 5:43 p.m.
YUL
-
GTF
36h 43m
2 stops
Delta Logo
6:20 p.m. - 11:37 p.m.
GTF
-
YUL
27h 17m
2 stops
C$ 810Delta
Fri, 16 Oct - Tue, 20 Oct
Delta Logo
7:00 a.m. - 12:27 p.m.
YUL
-
GTF
31h 27m
2 stops
Delta Logo
5:30 a.m. - 11:51 p.m.
GTF
-
YUL
16h 21m
2 stops
C$ 811Delta
Fri, 16 Oct - Tue, 20 Oct
Delta Logo
6:00 a.m. - 10:53 p.m.
YUL
-
GTF
18h 53m
2 stops
Delta Logo
6:20 p.m. - 5:03 p.m.
GTF
-
YUL
20h 43m
2 stops
C$ 812Delta
Fri, 16 Oct - Tue, 20 Oct
United Airlines Logo
6:10 a.m. - 11:46 a.m.
YUL
-
GTF
7h 36m
1 stop
United Airlines Logo
6:15 a.m. - 9:26 p.m.
GTF
-
YUL
13h 11m
2 stops
C$ 945United Airlines
Sat, 25 Jul - Sat, 1 Aug
United Airlines Logo
8:15 a.m. - 1:41 p.m.
YUL
-
GTF
7h 26m
1 stop
United Airlines Logo
2:37 p.m. - 10:40 a.m.
GTF
-
YUL
18h 03m
2 stops
C$ 989United Airlines
Fri, 16 Oct - Tue, 20 Oct
United Airlines Logo
8:15 a.m. - 1:41 p.m.
YUL
-
GTF
7h 26m
1 stop
United Airlines Logo
2:37 p.m. - 10:40 a.m.
GTF
-
YUL
18h 03m
2 stops
C$ 990United Airlines
Fri, 16 Oct - Tue, 20 Oct
United Airlines Logo
8:15 a.m. - 1:41 p.m.
YUL
-
GTF
7h 26m
1 stop
United Airlines Logo
2:37 p.m. - 10:40 a.m.
GTF
-
YUL
18h 03m
2 stops
C$ 993United Airlines
Fri, 16 Oct - Tue, 20 Oct
United Airlines Logo
8:15 a.m. - 9:22 p.m.
YUL
-
GTF
15h 07m
1 stop
United Airlines Logo
6:15 a.m. - 3:29 p.m.
GTF
-
YUL
7h 14m
1 stop
C$ 1,026United Airlines
Fri, 16 Oct - Tue, 20 Oct
United Airlines Logo
8:15 a.m. - 9:22 p.m.
YUL
-
GTF
15h 07m
1 stop
United Airlines Logo
6:15 a.m. - 3:29 p.m.
GTF
-
YUL
7h 14m
1 stop
C$ 1,028United Airlines
Fri, 16 Oct - Tue, 20 Oct
United Airlines Logo
8:15 a.m. - 9:22 p.m.
YUL
-
GTF
15h 07m
1 stop
United Airlines Logo
6:15 a.m. - 3:29 p.m.
GTF
-
YUL
7h 14m
1 stop
C$ 1,029United Airlines
Fri, 16 Oct - Tue, 20 Oct

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Delta flights from Montreal to Great Falls

Our best Delta deals on Montreal to Great Falls flight tickets
Delta
16 Oct
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
31h 27m
2 stops
GTF12:27 p.m.Great Falls
20 Oct
GTF6:20 p.m.Great Falls
27h 17m
2 stops
YUL11:37 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 810
Delta
16 Oct
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
18h 53m
2 stops
GTF10:53 p.m.Great Falls
20 Oct
GTF6:20 p.m.Great Falls
20h 43m
2 stops
YUL5:03 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 812

United Airlines flights from Montreal to Great Falls

Our best United Airlines deals on Montreal to Great Falls flight tickets
United Airlines
25 Jul
YUL6:10 a.m.Montreal Pierre Elliott Trudeau Intl
7h 36m
1 stop
GTF11:46 a.m.Great Falls
1 Aug
GTF6:15 a.m.Great Falls
13h 11m
2 stops
YUL9:26 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 945
United Airlines
16 Oct
YUL8:15 a.m.Montreal Pierre Elliott Trudeau Intl
7h 26m
1 stop
GTF1:41 p.m.Great Falls
20 Oct
GTF2:37 p.m.Great Falls
18h 03m
2 stops
YUL10:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 989
United Airlines
16 Oct
YUL8:15 a.m.Montreal Pierre Elliott Trudeau Intl
7h 26m
1 stop
GTF1:41 p.m.Great Falls
20 Oct
GTF2:37 p.m.Great Falls
18h 03m
2 stops
YUL10:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 990

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 15 June 2026.
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

Cheapest round-trip

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

7:00 a.m.-5:43 p.m.

2 stops36h 43m

Great Falls

Tue 20/10

6:20 p.m.-11:37 p.m.

2 stops27h 17m

C$ 810

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

7:00 a.m.-12:27 p.m.

2 stops31h 27m

Great Falls

Tue 20/10

5:30 a.m.-11:51 p.m.

2 stops16h 21m

C$ 811

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

6:00 a.m.-10:53 p.m.

2 stops18h 53m

Great Falls

Tue 20/10

6:20 p.m.-5:03 p.m.

2 stops20h 43m

C$ 812
Quickest round-trip

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Sat 25/7

6:10 a.m.-11:46 a.m.

1 stop7h 36m

Great Falls

Sat 1/8

6:15 a.m.-9:26 p.m.

2 stops13h 11m

C$ 945

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

8:15 a.m.-1:41 p.m.

1 stop7h 26m

Great Falls

Tue 20/10

2:37 p.m.-10:40 a.m.

2 stops18h 03m

C$ 989

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

8:15 a.m.-1:41 p.m.

1 stop7h 26m

Great Falls

Tue 20/10

2:37 p.m.-10:40 a.m.

2 stops18h 03m

C$ 990

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

8:15 a.m.-1:41 p.m.

1 stop7h 26m

Great Falls

Tue 20/10

2:37 p.m.-10:40 a.m.

2 stops18h 03m

C$ 993

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

8:15 a.m.-9:22 p.m.

1 stop15h 07m

Great Falls

Tue 20/10

6:15 a.m.-3:29 p.m.

1 stop7h 14m

C$ 1,026

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

8:15 a.m.-9:22 p.m.

1 stop15h 07m

Great Falls

Tue 20/10

6:15 a.m.-3:29 p.m.

1 stop7h 14m

C$ 1,028

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

8:15 a.m.-9:22 p.m.

1 stop15h 07m

Great Falls

Tue 20/10

6:15 a.m.-3:29 p.m.

1 stop7h 14m

C$ 1,029

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Great Falls from

How to get the cheapest flight ticket from Montreal to Great Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Montreal to Great Falls?

United Airlines is the most popular carrier operating from Montreal to Great Falls

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

17h 12m

Direct flights

None
The fastest flight from Montreal to Great Falls takes 17h 12m
There are no direct flights from Montreal to Great Falls. There are no popular flight routes from Montreal to Great Falls.
Search flight deals

Frequently asked questions about flying from Montreal to Great Falls

  • 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 17h 12m.

  • 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.

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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