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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Great Falls from $345

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 Pierre Elliott Trudeau Intl Airport to Great Falls departing on 10/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Great Falls

Cheap round-trip flights

United Airlines Logo
7:10 pm - 9:11 pmYUL-GTF
28h 01m2 stops
United Airlines Logo
7:00 am - 6:53 amGTF-YUL
21h 53m2 stops
$636United Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
United Airlines Logo
9:45 am - 9:11 pmYUL-GTF
13h 26m2 stops
United Airlines Logo
7:00 am - 5:00 pmGTF-YUL
8h 00m1 stop
$886United Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
United Airlines Logo
5:25 pm - 9:11 pmYUL-GTF
29h 46m1 stop
United Airlines Logo
7:00 am - 5:00 pmGTF-YUL
8h 00m1 stop
$2,991United Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8

United Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Great Falls

Our best United Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Great Falls flight tickets
United Airlines
Oct 1
YUL7:10 pmMontreal Pierre Elliott Trudeau Intl
28h 01m
2 stops
GTF9:11 pmGreat Falls
Oct 8
GTF7:00 amGreat Falls
21h 53m
2 stops
YUL6:53 amMontreal Pierre Elliott Trudeau Intl
$636
Find similar
United Airlines
Oct 1
YUL9:45 amMontreal Pierre Elliott Trudeau Intl
13h 26m
2 stops
GTF9:11 pmGreat Falls
Oct 8
GTF7:00 amGreat Falls
8h 00m
1 stop
YUL5:00 pmMontreal Pierre Elliott Trudeau Intl
$886
Find similar
United Airlines
Oct 1
YUL5:25 pmMontreal Pierre Elliott Trudeau Intl
29h 46m
1 stop
GTF9:11 pmGreat Falls
Oct 8
GTF7:00 amGreat Falls
8h 00m
1 stop
YUL5:00 pmMontreal Pierre Elliott Trudeau Intl
$2,991
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport 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 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport 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

Wed 10/1

7:10 pm-9:11 pm

2 stops28h 01m

Great Falls

Wed 10/8

7:00 am-6:53 am

2 stops21h 53m

$636

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 10/1

9:45 am-9:11 pm

2 stops13h 26m

Great Falls

Wed 10/8

7:00 am-5:00 pm

1 stop8h 00m

$886

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 10/1

5:25 pm-9:11 pm

1 stop29h 46m

Great Falls

Wed 10/8

7:00 am-5:00 pm

1 stop8h 00m

$2,991

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Mon 10/20

6:45 pm-1:26 pm

2 stops20h 41m

$345

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Sun 10/19

6:45 pm-1:26 pm

2 stops20h 41m

$382

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Mon 10/20

6:45 am-5:35 pm

3 stops36h 50m

$384

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl to Great Falls?

United Airlines is the most popular carrier operating from Montreal Pierre Elliott Trudeau Intl to Great Falls

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Great Falls

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

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Great Falls (YUL to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Great Falls

Direct flights

None
There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to Great Falls. There are no popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to Great Falls.
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  • How far is Montreal Pierre Elliott Trudeau Intl to Great Falls by plane?

    The distance between Montreal Pierre Elliott Trudeau Intl and Great Falls is about 1773.4 mi. By plane, this route typically takes 13h 26m.

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

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Great Falls Airport refresh daily.

  • How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Great Falls Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal Pierre Elliott Trudeau Intl Airport to Great Falls Airport.

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

    The travel and health documents you'll need for your trip to Great Falls Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Great Falls Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling 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?

Finding the right flight to Great Falls from Montreal is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Great Falls quick and easy, saving you time and money.

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

Yes. All flights to Great Falls from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Montreal and Great Falls by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Great Falls from Montreal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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