Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Portland, Maine to Montreal from C$ 291

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 28/10. 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

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland, Maine to Montreal

Cheap round-trip flights

American Airlines Logo
1:02 p.m. - 9:46 a.m.PWM-YUL
20h 44m1 stop
American Airlines Logo
10:38 a.m. - 4:50 p.m.YUL-PWM
30h 12m1 stop
C$ 619American Airlines
Find Deal
Fri, 19 Sep - Fri, 26 Sep
American Airlines Logo
1:02 p.m. - 9:58 a.m.PWM-YUL
20h 56m1 stop
American Airlines Logo
12:59 p.m. - 11:45 p.m.YUL-PWM
10h 46m2 stops
C$ 658American Airlines
Find Deal
Tue, 9 Sep - Wed, 10 Sep
Delta Logo
6:00 a.m. - 4:14 p.m.PWM-YUL
10h 14m1 stop
Delta Logo
5:05 p.m. - 11:25 p.m.YUL-PWM
6h 20m1 stop
C$ 743Delta
Find Deal
Tue, 9 Sep - Wed, 10 Sep
Logo
6:00 a.m. - 4:10 p.m.PWM-YUL
10h 10m1 stop
Logo
6:20 p.m. - 9:24 a.m.YUL-PWM
15h 04m1 stop
C$ 753
Find Deal
Sat, 20 Sep - Sat, 20 Sep
Delta Logo
1:46 p.m. - 6:40 p.m.PWM-YUL
4h 54m1 stop
Delta Logo
7:30 p.m. - 10:49 a.m.YUL-PWM
15h 19m1 stop
C$ 819Delta
Find Deal
Wed, 15 Oct - Wed, 22 Oct
United Airlines Logo
6:14 a.m. - 5:26 p.m.PWM-YUL
11h 12m1 stop
United Airlines Logo
8:00 p.m. - 5:42 p.m.YUL-PWM
21h 42m2 stops
C$ 863United Airlines
Find Deal
Sat, 20 Sep - Sat, 20 Sep
United Airlines Logo
6:14 a.m. - 5:26 p.m.PWM-YUL
11h 12m1 stop
United Airlines Logo
9:15 a.m. - 7:41 p.m.YUL-PWM
10h 26m1 stop
C$ 910United Airlines
Find Deal
Sat, 20 Sep - Sat, 27 Sep
Logo
6:00 a.m. - 4:10 p.m.PWM-YUL
10h 10m1 stop
Logo
1:05 p.m. - 11:13 p.m.YUL-PWM
10h 08m2 stops
C$ 911
Find Deal
Wed, 15 Oct - Wed, 22 Oct
WestJet Logo
6:00 a.m. - 12:27 a.m.PWM-YUL
18h 27m2 stops
WestJet Logo
6:00 a.m. - 4:05 p.m.YUL-PWM
10h 05m1 stop
C$ 1,194WestJet
Find Deal
Thu, 18 Sep - Thu, 25 Sep
WestJet Logo
11:50 a.m. - 12:27 a.m.PWM-YUL
12h 37m2 stops
WestJet Logo
6:45 a.m. - 11:25 p.m.YUL-PWM
16h 40m2 stops
C$ 1,257WestJet
Find Deal
Tue, 9 Sep - Wed, 10 Sep

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

Our best WestJet deals on Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
WestJet
18 Sep
PWM6:00 a.m.Portland
18h 27m
2 stops
YUL12:27 a.m.Montreal Pierre Elliott Trudeau Intl
25 Sep
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
10h 05m
1 stop
PWM4:05 p.m.Portland
C$ 1,194
Find similar
WestJet
9 Sep
PWM11:50 a.m.Portland
12h 37m
2 stops
YUL12:27 a.m.Montreal Pierre Elliott Trudeau Intl
10 Sep
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
16h 40m
2 stops
PWM11:25 p.m.Portland
C$ 1,257
Find similar
WestJet
20 Sep
PWM6:33 p.m.Portland
17h 27m
1 stop
YUL12:00 p.m.Montreal Pierre Elliott Trudeau Intl
27 Sep
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
28h 09m
2 stops
PWM10:54 a.m.Portland
C$ 1,282
Find similar

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

Our best American Airlines deals on Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
American Airlines
19 Sep
PWM1:02 p.m.Portland
20h 44m
1 stop
YUL9:46 a.m.Montreal Pierre Elliott Trudeau Intl
26 Sep
YUL10:38 a.m.Montreal Pierre Elliott Trudeau Intl
30h 12m
1 stop
PWM4:50 p.m.Portland
C$ 619
Find similar
American Airlines
9 Sep
PWM1:02 p.m.Portland
20h 56m
1 stop
YUL9:58 a.m.Montreal Pierre Elliott Trudeau Intl
10 Sep
YUL12:59 p.m.Montreal Pierre Elliott Trudeau Intl
10h 46m
2 stops
PWM11:45 p.m.Portland
C$ 658
Find similar
American Airlines
26 Sep
PWM7:05 a.m.Portland
26h 41m
1 stop
YUL9:46 a.m.Montreal Pierre Elliott Trudeau Intl
29 Sep
YUL10:38 a.m.Montreal Pierre Elliott Trudeau Intl
25h 53m
1 stop
PWM12:31 p.m.Portland
C$ 681
Find similar

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 6 August 2025.
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

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 19/9

1:02 p.m.-9:46 a.m.

1 stop20h 44m

Montreal Pierre Elliott Trudeau Intl

Fri 26/9

10:38 a.m.-4:50 p.m.

1 stop30h 12m

C$ 619

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 9/9

1:02 p.m.-9:58 a.m.

1 stop20h 56m

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

12:59 p.m.-11:45 p.m.

2 stops10h 46m

C$ 658

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 9/9

6:00 a.m.-4:14 p.m.

1 stop10h 14m

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

5:05 p.m.-11:25 p.m.

1 stop6h 20m

C$ 743

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 20/9

6:00 a.m.-4:10 p.m.

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

6:20 p.m.-9:24 a.m.

1 stop15h 04m

C$ 753

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Wed 15/10

1:46 p.m.-6:40 p.m.

1 stop4h 54m

Montreal Pierre Elliott Trudeau Intl

Wed 22/10

7:30 p.m.-10:49 a.m.

1 stop15h 19m

C$ 819

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 20/9

6:14 a.m.-5:26 p.m.

1 stop11h 12m

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

8:00 p.m.-5:42 p.m.

2 stops21h 42m

C$ 863

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 20/9

6:14 a.m.-5:26 p.m.

1 stop11h 12m

Montreal Pierre Elliott Trudeau Intl

Sat 27/9

9:15 a.m.-7:41 p.m.

1 stop10h 26m

C$ 910

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Wed 15/10

6:00 a.m.-4:10 p.m.

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 22/10

1:05 p.m.-11:13 p.m.

2 stops10h 08m

C$ 911

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 18/9

6:00 a.m.-12:27 a.m.

2 stops18h 27m

Montreal Pierre Elliott Trudeau Intl

Thu 25/9

6:00 a.m.-4:05 p.m.

1 stop10h 05m

C$ 1,194

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 9/9

11:50 a.m.-12:27 a.m.

2 stops12h 37m

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

6:45 a.m.-11:25 p.m.

2 stops16h 40m

C$ 1,257

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

Which airlines fly to Montreal Pierre Elliott Trudeau Intl Airport?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport from Portland, Maine according to our data. Air Canada is the first choice among our users, with 53% of people opting to fly with this airline when travelling to Montreal Pierre Elliott Trudeau Intl Airport. Keep in mind that there are 3 different airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport on a routine basis, so you have a few additional options to choose from.

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

Best price found

C$ 291

Fastest flight time

4h 07m

Direct flights

None
The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from Portland, Maine in the past 72 hours is C$ 291. The best round-trip flight deal from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is C$ 619.
The fastest flight from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport takes 4h 07m
There are no direct flights from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport. Popular non-direct route for this connection is Portland Airport - Montreal Pierre Elliott Trudeau Intl Airport.
Search flight deals

  • 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 4h 54m.

  • 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
Montebello
Trois-Rivières
Sherbrooke
Brossard
Cornwall
Drummondville
Longueuil
Dorval
Magog
Bromont
Saint-Sauveur
Saint-Jean-sur-Richelieu
Boucherville
North Hatley
Sutton
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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 11/8
Mon 18/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Montreal