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Cheap flights from Montreal to Great Falls from C$ 907

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 27/10. 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. - 10:44 p.m.-
17h 44m
Delta Logo
5:40 a.m. - 11:25 p.m.-
15h 45m
C$ 907Delta
Tue, 27 Oct - Sat, 31 Oct
United Airlines Logo
6:00 a.m. - 9:38 p.m.-
17h 38m
United Airlines Logo
2:45 p.m. - 4:16 p.m.-
23h 31m
C$ 945United Airlines
Tue, 27 Oct - Sat, 31 Oct
United Airlines Logo
7:00 a.m. - 9:38 p.m.-
16h 38m
United Airlines Logo
2:45 p.m. - 3:00 p.m.-
22h 15m
C$ 955United Airlines
Tue, 27 Oct - Sat, 31 Oct
United Airlines Logo
9:15 a.m. - 9:38 p.m.-
14h 23m
United Airlines Logo
6:30 a.m. - 5:05 p.m.-
8h 35m
C$ 1,028United Airlines
Tue, 27 Oct - Sat, 31 Oct
United Airlines Logo
9:15 a.m. - 9:38 p.m.-
14h 23m
United Airlines Logo
6:30 a.m. - 5:05 p.m.-
8h 35m
C$ 1,029United Airlines
Tue, 27 Oct - Sat, 31 Oct
United Airlines Logo
9:15 a.m. - 9:38 p.m.-
14h 23m
United Airlines Logo
6:30 a.m. - 5:05 p.m.-
8h 35m
C$ 1,039United Airlines
Tue, 27 Oct - Sat, 31 Oct

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United Airlines flights from Montreal to Great Falls

Our best United Airlines deals on Montreal to Great Falls flight tickets
United Airlines
27 Oct
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
17h 38m
2 stops
GTF9:38 p.m.Great Falls
31 Oct
GTF2:45 p.m.Great Falls
23h 31m
2 stops
YUL4:16 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 945
United Airlines
27 Oct
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
16h 38m
2 stops
GTF9:38 p.m.Great Falls
31 Oct
GTF2:45 p.m.Great Falls
22h 15m
2 stops
YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 955
United Airlines
27 Oct
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
14h 23m
2 stops
GTF9:38 p.m.Great Falls
31 Oct
GTF6:30 a.m.Great Falls
8h 35m
1 stop
YUL5:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,028

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 4 August 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

Tue 27/10

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

2 stops17h 44m

Great Falls

Sat 31/10

5:40 a.m.-11:25 p.m.

2 stops15h 45m

C$ 907

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Tue 27/10

6:00 a.m.-9:38 p.m.

2 stops17h 38m

Great Falls

Sat 31/10

2:45 p.m.-4:16 p.m.

2 stops23h 31m

C$ 945

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Tue 27/10

7:00 a.m.-9:38 p.m.

2 stops16h 38m

Great Falls

Sat 31/10

2:45 p.m.-3:00 p.m.

2 stops22h 15m

C$ 955
Quickest round-trip

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Tue 27/10

9:15 a.m.-9:38 p.m.

2 stops14h 23m

Great Falls

Sat 31/10

6:30 a.m.-5:05 p.m.

1 stop8h 35m

C$ 1,028

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Tue 27/10

9:15 a.m.-9:38 p.m.

2 stops14h 23m

Great Falls

Sat 31/10

6:30 a.m.-5:05 p.m.

1 stop8h 35m

C$ 1,029

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Tue 27/10

9:15 a.m.-9:38 p.m.

2 stops14h 23m

Great Falls

Sat 31/10

6:30 a.m.-5:05 p.m.

1 stop8h 35m

C$ 1,039

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 27m

Direct flights

None
The fastest flight from Montreal to Great Falls takes 13h 27m
There are no direct flights from Montreal to Great Falls. There are no popular flight routes from Montreal to Great Falls.
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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 13h 27m.

  • 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.

Frequently asked questions about flying from Montreal to Great Falls

  • 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.

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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