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Cheap flights from Montana to Montreal from C$ 321

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 29/9. 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 Montana to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:20 a.m. - 11:40 p.m.
BIL
-
YUL
16h 20m
2 stops
Delta Logo
12:48 p.m. - 11:15 p.m.
YUL
-
BIL
12h 27m
2 stops
C$ 699Delta
Tue, 1 Sep - Tue, 8 Sep
Delta Logo
6:26 a.m. - 11:52 p.m.
BIL
-
YUL
15h 26m
2 stops
Delta Logo
6:00 a.m. - 8:12 p.m.
YUL
-
BIL
16h 12m
2 stops
C$ 842Delta
Mon, 31 Aug - Mon, 7 Sep
United Airlines Logo
5:00 a.m. - 9:01 p.m.
BIL
-
YUL
14h 01m
2 stops
United Airlines Logo
9:15 a.m. - 9:04 p.m.
YUL
-
BIL
13h 49m
2 stops
C$ 875United Airlines
Sun, 1 Nov - Wed, 4 Nov
United Airlines Logo
12:30 p.m. - 9:01 p.m.
BZN
-
YUL
6h 31m
1 stop
United Airlines Logo
6:10 a.m. - 11:33 a.m.
YUL
-
BZN
7h 23m
1 stop
C$ 941United Airlines
Sat, 31 Oct - Wed, 4 Nov
United Airlines Logo
7:00 a.m. - 9:26 p.m.
BIL
-
YUL
12h 26m
2 stops
United Airlines Logo
8:15 a.m. - 9:00 p.m.
YUL
-
BIL
14h 45m
1 stop
C$ 946United Airlines
Tue, 1 Sep - Tue, 8 Sep
United Airlines Logo
2:37 p.m. - 2:51 p.m.
BZN
-
YUL
22h 14m
2 stops
United Airlines Logo
6:10 a.m. - 11:33 a.m.
YUL
-
BZN
7h 23m
1 stop
C$ 949United Airlines
Sat, 31 Oct - Wed, 4 Nov
American Airlines Logo
12:55 p.m. - 11:43 a.m.
BZN
-
YUL
20h 48m
1 stop
American Airlines Logo
5:34 p.m. - 12:05 p.m.
YUL
-
BZN
20h 31m
1 stop
C$ 958American Airlines
Thu, 20 Aug - Sun, 23 Aug
American Airlines Logo
4:15 p.m. - 11:43 a.m.
BZN
-
YUL
17h 28m
2 stops
American Airlines Logo
5:34 p.m. - 12:05 p.m.
YUL
-
BZN
20h 31m
1 stop
C$ 972American Airlines
Thu, 20 Aug - Sun, 23 Aug
Air Canada Logo
7:00 a.m. - 5:05 p.m.
BIL
-
YUL
8h 05m
1 stop
Air Canada Logo
5:50 p.m. - 9:33 a.m.
YUL
-
BIL
17h 43m
1 stop
C$ 975Air Canada
Sun, 1 Nov - Wed, 4 Nov
Air Canada Logo
7:00 a.m. - 5:05 p.m.
BIL
-
YUL
8h 05m
1 stop
Air Canada Logo
5:50 p.m. - 9:33 a.m.
YUL
-
BIL
17h 43m
1 stop
C$ 1,062Air Canada
Mon, 9 Nov - Thu, 12 Nov

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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
1 Nov
BIL5:00 a.m.Billings Logan Intl
14h 01m
2 stops
YUL9:01 p.m.Montreal Pierre Elliott Trudeau Intl
4 Nov
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
13h 49m
2 stops
BIL9:04 p.m.Billings Logan Intl
C$ 875
United Airlines
1 Nov
BIL5:00 a.m.Billings Logan Intl
14h 01m
2 stops
YUL9:01 p.m.Montreal Pierre Elliott Trudeau Intl
4 Nov
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
13h 49m
2 stops
BIL9:04 p.m.Billings Logan Intl
C$ 890
United Airlines
31 Oct
BZN12:30 p.m.Bozeman Gallatin Field
6h 31m
1 stop
YUL9:01 p.m.Montreal Pierre Elliott Trudeau Intl
4 Nov
YUL6:10 a.m.Montreal Pierre Elliott Trudeau Intl
7h 23m
1 stop
BZN11:33 a.m.Bozeman Gallatin Field
C$ 941

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

Our best American Airlines deals on Montana to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
American Airlines
20 Aug
BZN12:55 p.m.Bozeman Gallatin Field
20h 48m
1 stop
YUL11:43 a.m.Montreal Pierre Elliott Trudeau Intl
23 Aug
YUL5:34 p.m.Montreal Pierre Elliott Trudeau Intl
20h 31m
1 stop
BZN12:05 p.m.Bozeman Gallatin Field
C$ 958
American Airlines
20 Aug
BZN4:15 p.m.Bozeman Gallatin Field
17h 28m
2 stops
YUL11:43 a.m.Montreal Pierre Elliott Trudeau Intl
23 Aug
YUL5:34 p.m.Montreal Pierre Elliott Trudeau Intl
20h 31m
1 stop
BZN12:05 p.m.Bozeman Gallatin Field
C$ 972
American Airlines
20 Aug
BZN4:15 p.m.Bozeman Gallatin Field
17h 28m
2 stops
YUL11:43 a.m.Montreal Pierre Elliott Trudeau Intl
23 Aug
YUL5:34 p.m.Montreal Pierre Elliott Trudeau Intl
19h 31m
2 stops
BZN11:05 a.m.Bozeman Gallatin Field
C$ 979

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 22 July 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

Tue 1/9

5:20 a.m.-11:40 p.m.

2 stops16h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

12:48 p.m.-11:15 p.m.

2 stops12h 27m

C$ 699

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Mon 31/8

6:26 a.m.-11:52 p.m.

2 stops15h 26m

Montreal Pierre Elliott Trudeau Intl

Mon 7/9

6:00 a.m.-8:12 p.m.

2 stops16h 12m

C$ 842

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Sun 1/11

5:00 a.m.-9:01 p.m.

2 stops14h 01m

Montreal Pierre Elliott Trudeau Intl

Wed 4/11

9:15 a.m.-9:04 p.m.

2 stops13h 49m

C$ 875
Quickest round-trip

BozemanMontreal

BZN - YUL

BZNYUL

Bozeman Gallatin Field

Sat 31/10

12:30 p.m.-9:01 p.m.

1 stop6h 31m

Montreal Pierre Elliott Trudeau Intl

Wed 4/11

6:10 a.m.-11:33 a.m.

1 stop7h 23m

C$ 941

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Tue 1/9

7:00 a.m.-9:26 p.m.

2 stops12h 26m

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

8:15 a.m.-9:00 p.m.

1 stop14h 45m

C$ 946

BozemanMontreal

BZN - YUL

BZNYUL

Bozeman Gallatin Field

Sat 31/10

2:37 p.m.-2:51 p.m.

2 stops22h 14m

Montreal Pierre Elliott Trudeau Intl

Wed 4/11

6:10 a.m.-11:33 a.m.

1 stop7h 23m

C$ 949

BozemanMontreal

BZN - YUL

BZNYUL

Bozeman Gallatin Field

Thu 20/8

12:55 p.m.-11:43 a.m.

1 stop20h 48m

Montreal Pierre Elliott Trudeau Intl

Sun 23/8

5:34 p.m.-12:05 p.m.

1 stop20h 31m

C$ 958

BozemanMontreal

BZN - YUL

BZNYUL

Bozeman Gallatin Field

Thu 20/8

4:15 p.m.-11:43 a.m.

2 stops17h 28m

Montreal Pierre Elliott Trudeau Intl

Sun 23/8

5:34 p.m.-12:05 p.m.

1 stop20h 31m

C$ 972

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Sun 1/11

7:00 a.m.-5:05 p.m.

1 stop8h 05m

Montreal Pierre Elliott Trudeau Intl

Wed 4/11

5:50 p.m.-9:33 a.m.

1 stop17h 43m

C$ 975

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Mon 9/11

7:00 a.m.-5:05 p.m.

1 stop8h 05m

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

5:50 p.m.-9:33 a.m.

1 stop17h 43m

C$ 1,062

Flights are sorted by cheapest round-trip flights 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?

Delta, United Airlines, and American Airlines 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

6h 31m

Direct flights

None
The fastest flight from Montana to Montreal Pierre Elliott Trudeau Intl Airport takes 6h 31m
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
Brossard
Sherbrooke
Dorval
Montebello
Cornwall
Longueuil
Boucherville
Drummondville
North Hatley
Saint-Sauveur
Magog
Bromont
Saint-Jean-sur-Richelieu
Sutton
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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