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Cheap flights from Montana to Montreal from C$ 333

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Montreal departing on 5/8. 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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Find the cheapest flights from Montana to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:17 p.m. - 9:45 a.m.
BIL
-
YUL
19h 28m
2 stops
American Airlines Logo
10:35 a.m. - 10:22 p.m.
YUL
-
BIL
13h 47m
2 stops
C$ 859American Airlines
Mon, 14 Sep - Mon, 21 Sep
American Airlines Logo
12:17 p.m. - 9:45 a.m.
BIL
-
YUL
19h 28m
2 stops
American Airlines Logo
6:00 p.m. - 11:45 a.m.
YUL
-
BIL
19h 45m
1 stop
C$ 881American Airlines
Mon, 14 Sep - Mon, 21 Sep
American Airlines Logo
4:57 p.m. - 11:44 a.m.
BZN
-
YUL
16h 47m
1 stop
American Airlines Logo
5:33 p.m. - 12:03 p.m.
YUL
-
BZN
20h 30m
1 stop
C$ 885American Airlines
Mon, 25 May - Fri, 29 May
American Airlines Logo
4:57 p.m. - 12:28 p.m.
BZN
-
YUL
17h 31m
2 stops
American Airlines Logo
5:33 p.m. - 12:03 p.m.
YUL
-
BZN
20h 30m
1 stop
C$ 899American Airlines
Tue, 26 May - Fri, 29 May
American Airlines Logo
7:16 a.m. - 11:15 a.m.
BIL
-
YUL
25h 59m
1 stop
American Airlines Logo
6:00 p.m. - 11:45 a.m.
YUL
-
BIL
19h 45m
1 stop
C$ 899American Airlines
Mon, 14 Sep - Mon, 21 Sep
Delta Logo
5:45 a.m. - 11:56 p.m.
BIL
-
YUL
16h 11m
2 stops
Delta Logo
6:00 a.m. - 7:37 p.m.
YUL
-
BIL
15h 37m
2 stops
C$ 932Delta
Mon, 14 Sep - Mon, 21 Sep
Delta Logo
5:45 a.m. - 11:56 p.m.
BIL
-
YUL
16h 11m
2 stops
Delta Logo
6:00 a.m. - 7:37 p.m.
YUL
-
BIL
15h 37m
2 stops
C$ 933Delta
Mon, 14 Sep - Mon, 21 Sep
United Airlines Logo
5:00 a.m. - 5:30 p.m.
BIL
-
YUL
10h 30m
2 stops
United Airlines Logo
9:15 a.m. - 9:00 p.m.
YUL
-
BIL
13h 45m
2 stops
C$ 942United Airlines
Sat, 19 Sep - Wed, 23 Sep
United Airlines Logo
5:00 a.m. - 5:30 p.m.
BIL
-
YUL
10h 30m
2 stops
United Airlines Logo
11:23 a.m. - 10:51 p.m.
YUL
-
BIL
13h 28m
2 stops
C$ 994United Airlines
Sat, 19 Sep - Wed, 23 Sep
United Airlines Logo
6:00 a.m. - 9:58 p.m.
FCA
-
YUL
13h 58m
2 stops
United Airlines Logo
4:30 p.m. - 1:31 p.m.
YUL
-
FCA
23h 01m
2 stops
C$ 1,245United Airlines
Sat, 2 May - Wed, 6 May

Delta flights from Montana to Montreal Pierre Elliott Trudeau Intl Airport

Our best Delta deals on Montana to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Delta
14 Sep
BIL5:45 a.m.Billings Logan Intl
16h 11m
2 stops
YUL11:56 p.m.Montreal Pierre Elliott Trudeau Intl
21 Sep
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
15h 37m
2 stops
BIL7:37 p.m.Billings Logan Intl
C$ 932
Delta
14 Sep
BIL5:45 a.m.Billings Logan Intl
16h 11m
2 stops
YUL11:56 p.m.Montreal Pierre Elliott Trudeau Intl
21 Sep
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
15h 37m
2 stops
BIL7:37 p.m.Billings Logan Intl
C$ 933
Delta
22 May
BIL6:30 a.m.Billings Logan Intl
15h 55m
2 stops
YUL12:25 a.m.Montreal Pierre Elliott Trudeau Intl
29 May
YUL2:29 p.m.Montreal Pierre Elliott Trudeau Intl
10h 45m
2 stops
BIL11:14 p.m.Billings Logan Intl
C$ 1,181

United Airlines flights from Montana to Montreal Pierre Elliott Trudeau Intl Airport

Our best United Airlines deals on Montana to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
United Airlines
19 Sep
BIL5:00 a.m.Billings Logan Intl
10h 30m
2 stops
YUL5:30 p.m.Montreal Pierre Elliott Trudeau Intl
23 Sep
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
13h 45m
2 stops
BIL9:00 p.m.Billings Logan Intl
C$ 942
United Airlines
19 Sep
BIL5:00 a.m.Billings Logan Intl
10h 30m
2 stops
YUL5:30 p.m.Montreal Pierre Elliott Trudeau Intl
23 Sep
YUL11:23 a.m.Montreal Pierre Elliott Trudeau Intl
13h 28m
2 stops
BIL10:51 p.m.Billings Logan Intl
C$ 994
United Airlines
28 May
BZN4:17 p.m.Bozeman Gallatin Field
27h 09m
3 stops
YUL9:26 p.m.Montreal Pierre Elliott Trudeau Intl
4 Jun
YUL9:45 a.m.Montreal Pierre Elliott Trudeau Intl
14h 53m
1 stop
BZN10:38 p.m.Bozeman Gallatin Field
C$ 1,099

momondo Fare Finder

 
Customize your flight search to find flights from Montana to Montreal Pierre Elliott Trudeau Intl Airport 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 April 2026.
Use the filters below to find and compare flights from Montana to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Mon 14/9

12:17 p.m.-9:45 a.m.

2 stops19h 28m

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

10:35 a.m.-10:22 p.m.

2 stops13h 47m

C$ 859

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Mon 14/9

12:17 p.m.-9:45 a.m.

2 stops19h 28m

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

6:00 p.m.-11:45 a.m.

1 stop19h 45m

C$ 881

BozemanMontreal

BZN - YUL

BZNYUL

Bozeman Gallatin Field

Mon 25/5

4:57 p.m.-11:44 a.m.

1 stop16h 47m

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

5:33 p.m.-12:03 p.m.

1 stop20h 30m

C$ 885

BozemanMontreal

BZN - YUL

BZNYUL

Bozeman Gallatin Field

Tue 26/5

4:57 p.m.-12:28 p.m.

2 stops17h 31m

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

5:33 p.m.-12:03 p.m.

1 stop20h 30m

C$ 899

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Mon 14/9

7:16 a.m.-11:15 a.m.

1 stop25h 59m

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

6:00 p.m.-11:45 a.m.

1 stop19h 45m

C$ 899

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Mon 14/9

5:45 a.m.-11:56 p.m.

2 stops16h 11m

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

6:00 a.m.-7:37 p.m.

2 stops15h 37m

C$ 932

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Mon 14/9

5:45 a.m.-11:56 p.m.

2 stops16h 11m

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

6:00 a.m.-7:37 p.m.

2 stops15h 37m

C$ 933

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Sat 19/9

5:00 a.m.-5:30 p.m.

2 stops10h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

9:15 a.m.-9:00 p.m.

2 stops13h 45m

C$ 942
Quickest round-trip

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Sat 19/9

5:00 a.m.-5:30 p.m.

2 stops10h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

11:23 a.m.-10:51 p.m.

2 stops13h 28m

C$ 994

KalispellMontreal

FCA - YUL

FCAYUL

Kalispell Glacier Park

Sat 2/5

6:00 a.m.-9:58 p.m.

2 stops13h 58m

Montreal Pierre Elliott Trudeau Intl

Wed 6/5

4:30 p.m.-1:31 p.m.

2 stops23h 01m

C$ 1,245

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Montana to Montreal Pierre Elliott Trudeau Intl Airport

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 Montana to Montreal Pierre Elliott Trudeau Intl?

American Airlines, United Airlines, and Delta are the most popular carriers operating from Montana to Montreal Pierre Elliott Trudeau Intl

Cheap Montana to Montreal Pierre Elliott Trudeau Intl Airport flight deals and tips

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

Fastest flight time

5h 47m

Direct flights

None
The fastest flight from Montana to Montreal Pierre Elliott Trudeau Intl Airport takes 5h 47m
There are no direct flights from Montana to Montreal Pierre Elliott Trudeau Intl Airport. There are no popular flight routes from Montana to Montreal Pierre Elliott Trudeau Intl Airport.
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Frequently asked questions about flying from Montana to Montreal Pierre Elliott Trudeau Intl Airport

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montana to Montreal Pierre Elliott Trudeau Intl Airport.

  • What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?

    The required travel and health documents for your Montreal Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Laval
Trois-Rivières
Sherbrooke
Montebello
Brossard
Longueuil
Dorval
Cornwall
Boucherville
North Hatley
Saint-Sauveur
Magog
Drummondville
Bromont
Sutton
Saint-Jean-sur-Richelieu
Waterloo

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montana to Montreal for you.

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

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

How can momondo help me find flights from Montana to Montreal?

Once all potential Montana to Montreal flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Montreal from Montana 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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