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Cheap flights from Montreal to Great Falls from C$ 399

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 17/6. 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
7:00 a.m. - 10:44 p.m.
YUL
-
GTF
17h 44m
2 stops
Delta Logo
5:30 a.m. - 11:56 p.m.
GTF
-
YUL
16h 26m
2 stops
C$ 785Delta
Thu, 27 Aug - Mon, 31 Aug
Delta Logo
6:00 a.m. - 10:48 p.m.
YUL
-
GTF
18h 48m
2 stops
Delta Logo
5:30 a.m. - 11:56 p.m.
GTF
-
YUL
16h 26m
2 stops
C$ 826Delta
Thu, 27 Aug - Mon, 31 Aug
Delta Logo
6:00 a.m. - 10:44 p.m.
YUL
-
GTF
18h 44m
2 stops
Delta Logo
5:30 a.m. - 11:56 p.m.
GTF
-
YUL
16h 26m
2 stops
C$ 827Delta
Thu, 27 Aug - Mon, 31 Aug
Delta Logo
12:47 p.m. - 12:28 p.m.
YUL
-
GTF
25h 41m
2 stops
Delta Logo
5:30 a.m. - 11:56 p.m.
GTF
-
YUL
16h 26m
2 stops
C$ 839Delta
Thu, 27 Aug - Mon, 31 Aug
United Airlines Logo
8:40 a.m. - 9:28 p.m.
YUL
-
GTF
14h 48m
2 stops
United Airlines Logo
6:15 a.m. - 3:28 p.m.
GTF
-
YUL
7h 13m
1 stop
C$ 952United Airlines
Thu, 27 Aug - Mon, 31 Aug
United Airlines Logo
8:15 a.m. - 9:28 p.m.
YUL
-
GTF
15h 13m
1 stop
United Airlines Logo
6:15 a.m. - 3:28 p.m.
GTF
-
YUL
7h 13m
1 stop
C$ 954United Airlines
Thu, 27 Aug - Mon, 31 Aug
United Airlines Logo
8:15 a.m. - 9:28 p.m.
YUL
-
GTF
15h 13m
1 stop
United Airlines Logo
6:15 a.m. - 3:28 p.m.
GTF
-
YUL
7h 13m
1 stop
C$ 989United Airlines
Thu, 27 Aug - Mon, 31 Aug

Delta flights from Montreal to Great Falls

Our best Delta deals on Montreal to Great Falls flight tickets
Delta
27 Aug
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
17h 44m
2 stops
GTF10:44 p.m.Great Falls
31 Aug
GTF5:30 a.m.Great Falls
16h 26m
2 stops
YUL11:56 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 785
Delta
27 Aug
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
18h 48m
2 stops
GTF10:48 p.m.Great Falls
31 Aug
GTF5:30 a.m.Great Falls
16h 26m
2 stops
YUL11:56 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 826
Delta
27 Aug
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
18h 44m
2 stops
GTF10:44 p.m.Great Falls
31 Aug
GTF5:30 a.m.Great Falls
16h 26m
2 stops
YUL11:56 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 827

United Airlines flights from Montreal to Great Falls

Our best United Airlines deals on Montreal to Great Falls flight tickets
United Airlines
27 Aug
YUL8:40 a.m.Montreal Pierre Elliott Trudeau Intl
14h 48m
2 stops
GTF9:28 p.m.Great Falls
31 Aug
GTF6:15 a.m.Great Falls
7h 13m
1 stop
YUL3:28 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 952
United Airlines
27 Aug
YUL8:15 a.m.Montreal Pierre Elliott Trudeau Intl
15h 13m
1 stop
GTF9:28 p.m.Great Falls
31 Aug
GTF6:15 a.m.Great Falls
7h 13m
1 stop
YUL3:28 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 954
United Airlines
27 Aug
YUL8:15 a.m.Montreal Pierre Elliott Trudeau Intl
15h 13m
1 stop
GTF9:28 p.m.Great Falls
31 Aug
GTF6:15 a.m.Great Falls
7h 13m
1 stop
YUL3:28 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 989

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 5 May 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

Thu 27/8

7:00 a.m.-10:44 p.m.

2 stops17h 44m

Great Falls

Mon 31/8

5:30 a.m.-11:56 p.m.

2 stops16h 26m

C$ 785

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

6:00 a.m.-10:48 p.m.

2 stops18h 48m

Great Falls

Mon 31/8

5:30 a.m.-11:56 p.m.

2 stops16h 26m

C$ 826

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

6:00 a.m.-10:44 p.m.

2 stops18h 44m

Great Falls

Mon 31/8

5:30 a.m.-11:56 p.m.

2 stops16h 26m

C$ 827

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

12:47 p.m.-12:28 p.m.

2 stops25h 41m

Great Falls

Mon 31/8

5:30 a.m.-11:56 p.m.

2 stops16h 26m

C$ 839
Quickest round-trip

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

8:40 a.m.-9:28 p.m.

2 stops14h 48m

Great Falls

Mon 31/8

6:15 a.m.-3:28 p.m.

1 stop7h 13m

C$ 952

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

8:15 a.m.-9:28 p.m.

1 stop15h 13m

Great Falls

Mon 31/8

6:15 a.m.-3:28 p.m.

1 stop7h 13m

C$ 954

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

8:15 a.m.-9:28 p.m.

1 stop15h 13m

Great Falls

Mon 31/8

6:15 a.m.-3:28 p.m.

1 stop7h 13m

C$ 989
Cheapest one-way

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 17/6

5:45 p.m.-9:28 a.m.

3 stops41h 43m

C$ 399
Quickest one-way

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 17/6

9:45 a.m.-9:34 p.m.

2 stops13h 49m

C$ 488

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 17/6

8:10 a.m.-9:34 p.m.

1 stop15h 24m

C$ 901

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

18h 48m

Direct flights

None
The fastest flight from Montreal to Great Falls takes 18h 48m
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 18h 48m.

  • 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.

Travelling to a place near Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
Shelby

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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