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Cheap flights from Portland, Maine to Montreal from C$ 255

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Montreal departing on 9/6. 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 Portland, Maine to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:35 p.m. - 9:50 a.m.
PWM
-
YUL
20h 15m
1 stop
American Airlines Logo
10:30 a.m. - 9:53 a.m.
YUL
-
PWM
23h 23m
1 stop
C$ 645American Airlines
Fri, 22 May - Fri, 29 May
Delta Logo
11:02 a.m. - 6:54 p.m.
PWM
-
YUL
7h 52m
1 stop
Delta Logo
2:29 p.m. - 11:29 p.m.
YUL
-
PWM
9h 00m
1 stop
C$ 672Delta
Mon, 8 Jun - Fri, 12 Jun
Delta Logo
1:18 p.m. - 8:39 a.m.
PWM
-
YUL
19h 21m
1 stop
Delta Logo
7:44 p.m. - 12:17 p.m.
YUL
-
PWM
16h 33m
1 stop
C$ 674Delta
Fri, 8 May - Fri, 15 May
Delta Logo
6:00 a.m. - 1:39 p.m.
PWM
-
YUL
7h 39m
1 stop
Delta Logo
2:29 p.m. - 11:18 p.m.
YUL
-
PWM
8h 49m
1 stop
C$ 714Delta
Tue, 5 May - Tue, 12 May
American Airlines Logo
1:35 p.m. - 9:50 a.m.
PWM
-
YUL
20h 15m
1 stop
American Airlines Logo
10:36 a.m. - 8:53 a.m.
YUL
-
PWM
22h 17m
1 stop
C$ 717American Airlines
Thu, 28 May - Sun, 31 May
Delta Logo
1:18 p.m. - 6:53 p.m.
PWM
-
YUL
5h 35m
1 stop
Delta Logo
2:29 p.m. - 11:18 p.m.
YUL
-
PWM
8h 49m
1 stop
C$ 736Delta
Thu, 7 May - Thu, 14 May
Multiple Airlines Logo
6:30 p.m. - 2:08 p.m.
PWM
-
YUL
43h 38m
2 stops
Multiple Airlines Logo
6:00 a.m. - 11:55 a.m.
YUL
-
PWM
5h 55m
1 stop
C$ 743Multiple Airlines
Wed, 6 May - Wed, 13 May
American Airlines Logo
10:01 a.m. - 9:48 a.m.
PWM
-
YUL
23h 47m
1 stop
American Airlines Logo
10:30 a.m. - 12:35 p.m.
YUL
-
PWM
26h 05m
1 stop
C$ 754American Airlines
Tue, 7 Jul - Tue, 14 Jul
American Airlines Logo
5:17 p.m. - 9:50 a.m.
PWM
-
YUL
16h 33m
2 stops
American Airlines Logo
10:30 a.m. - 8:53 a.m.
YUL
-
PWM
22h 23m
1 stop
C$ 755American Airlines
Thu, 21 May - Thu, 28 May
United Airlines Logo
5:15 a.m. - 7:45 p.m.
PWM
-
YUL
14h 30m
1 stop
United Airlines Logo
6:35 p.m. - 11:51 p.m.
YUL
-
PWM
5h 16m
1 stop
C$ 768United Airlines
Tue, 26 May - Fri, 29 May

United Airlines flights from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport

Our best United Airlines deals on Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
United Airlines
26 May
PWM5:15 a.m.Portland
14h 30m
1 stop
YUL7:45 p.m.Montreal Pierre Elliott Trudeau Intl
29 May
YUL6:35 p.m.Montreal Pierre Elliott Trudeau Intl
5h 16m
1 stop
PWM11:51 p.m.Portland
C$ 768
United Airlines
19 May
PWM5:30 a.m.Portland
11h 32m
2 stops
YUL5:02 p.m.Montreal Pierre Elliott Trudeau Intl
26 May
YUL8:00 p.m.Montreal Pierre Elliott Trudeau Intl
18h 26m
2 stops
PWM2:26 p.m.Portland
C$ 783
United Airlines
26 May
PWM5:15 a.m.Portland
9h 25m
1 stop
YUL2:40 p.m.Montreal Pierre Elliott Trudeau Intl
29 May
YUL2:20 p.m.Montreal Pierre Elliott Trudeau Intl
9h 31m
1 stop
PWM11:51 p.m.Portland
C$ 797

Air Canada flights from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport

Our best Air Canada deals on Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Air Canada
15 May
PWM7:50 p.m.Portland
11h 47m
1 stop
YUL7:37 a.m.Montreal Pierre Elliott Trudeau Intl
17 May
YUL10:40 a.m.Montreal Pierre Elliott Trudeau Intl
12h 49m
2 stops
PWM11:29 p.m.Portland
C$ 924
Air Canada
26 May
PWM6:00 a.m.Portland
7h 09m
1 stop
YUL1:09 p.m.Montreal Pierre Elliott Trudeau Intl
29 May
YUL10:40 a.m.Montreal Pierre Elliott Trudeau Intl
12h 50m
2 stops
PWM11:30 p.m.Portland
C$ 1,010

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine 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 10 April 2026.
Use the filters below to find and compare flights from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 22/5

1:35 p.m.-9:50 a.m.

1 stop20h 15m

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

10:30 a.m.-9:53 a.m.

1 stop23h 23m

C$ 645

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Mon 8/6

11:02 a.m.-6:54 p.m.

1 stop7h 52m

Montreal Pierre Elliott Trudeau Intl

Fri 12/6

2:29 p.m.-11:29 p.m.

1 stop9h 00m

C$ 672

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 8/5

1:18 p.m.-8:39 a.m.

1 stop19h 21m

Montreal Pierre Elliott Trudeau Intl

Fri 15/5

7:44 p.m.-12:17 p.m.

1 stop16h 33m

C$ 674

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 5/5

6:00 a.m.-1:39 p.m.

1 stop7h 39m

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

2:29 p.m.-11:18 p.m.

1 stop8h 49m

C$ 714

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 28/5

1:35 p.m.-9:50 a.m.

1 stop20h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 31/5

10:36 a.m.-8:53 a.m.

1 stop22h 17m

C$ 717
Quickest round-trip

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 7/5

1:18 p.m.-6:53 p.m.

1 stop5h 35m

Montreal Pierre Elliott Trudeau Intl

Thu 14/5

2:29 p.m.-11:18 p.m.

1 stop8h 49m

C$ 736

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Wed 6/5

6:30 p.m.-2:08 p.m.

2 stops43h 38m

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

6:00 a.m.-11:55 a.m.

1 stop5h 55m

C$ 743

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 7/7

10:01 a.m.-9:48 a.m.

1 stop23h 47m

Montreal Pierre Elliott Trudeau Intl

Tue 14/7

10:30 a.m.-12:35 p.m.

1 stop26h 05m

C$ 754

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 21/5

5:17 p.m.-9:50 a.m.

2 stops16h 33m

Montreal Pierre Elliott Trudeau Intl

Thu 28/5

10:30 a.m.-8:53 a.m.

1 stop22h 23m

C$ 755

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 26/5

5:15 a.m.-7:45 p.m.

1 stop14h 30m

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

6:35 p.m.-11:51 p.m.

1 stop5h 16m

C$ 768

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Montreal from

How to get the cheapest flight ticket from Portland, Maine 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 Portland to Montreal Pierre Elliott Trudeau Intl?

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

When to book flights from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport

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

Cheap Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport (PWM to YUL) flight deals and tips

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

Fastest flight time

5h 03m

Direct flights

None
The fastest flight from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport takes 5h 03m
There are no direct flights from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport. There are no popular flight routes from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport.
Search flight deals

Frequently asked questions about flying from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport

  • How far is Portland to Montreal Pierre Elliott Trudeau Intl by plane?

    The straight-line distance from Portland to Montreal Pierre Elliott Trudeau Intl is 341.3 km. By plane, this route typically takes 5h 03m.

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

    Prices for flights from Portland Airport to Montreal Pierre Elliott Trudeau Intl Airport are updated daily.

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

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

    The travel and health documents you'll need for your trip to Montreal Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl Airport. It is always advisable to seek advice from your airline or a trusted 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
North Hatley
Boucherville
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 Portland to Montreal?

It is quick and easy to find Portland to Montreal 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 Montreal that suits you.

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

Yes. momondo enables you to select and highlight flights to Montreal from Portland with this policy.

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

momondo helps you find the best flight between Portland and Montreal 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 Portland to Montreal right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Montreal flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Montreal Pierre Elliott Trudeau Intl Airport trip

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