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Cheap flights from Portland, Maine to Montreal from C$ 270

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 1/11. 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

American Airlines Logo
5:46 a.m. - 10:55 p.m.PWM-YUL
17h 09m2 stops
American Airlines Logo
10:30 a.m. - 12:34 p.m.YUL-PWM
26h 04m1 stop
C$ 642American Airlines
Find Deal
Sat, 18 Oct - Sat, 25 Oct
Multiple Airlines Logo
9:46 a.m. - 12:30 a.m.PWM-YUL
14h 44m1 stop
Multiple Airlines Logo
6:45 a.m. - 10:36 a.m.YUL-PWM
27h 51m2 stops
C$ 669Multiple Airlines
Find Deal
Fri, 31 Oct - Fri, 7 Nov
Multiple Airlines Logo
9:46 a.m. - 12:30 a.m.PWM-YUL
14h 44m1 stop
Multiple Airlines Logo
4:35 p.m. - 10:36 a.m.YUL-PWM
18h 01m1 stop
C$ 721Multiple Airlines
Find Deal
Fri, 31 Oct - Fri, 7 Nov
American Airlines Logo
6:00 a.m. - 9:50 a.m.PWM-YUL
27h 50m2 stops
American Airlines Logo
7:30 a.m. - 11:59 p.m.YUL-PWM
16h 29m2 stops
C$ 724American Airlines
Find Deal
Fri, 31 Oct - Fri, 7 Nov
American Airlines Logo
8:50 a.m. - 9:50 a.m.PWM-YUL
25h 00m1 stop
American Airlines Logo
10:30 a.m. - 12:34 p.m.YUL-PWM
26h 04m1 stop
C$ 736American Airlines
Find Deal
Sat, 18 Oct - Sat, 25 Oct
United Airlines Logo
4:51 p.m. - 1:02 p.m.PWM-YUL
20h 11m2 stops
United Airlines Logo
7:00 p.m. - 10:04 a.m.YUL-PWM
15h 04m1 stop
C$ 869United Airlines
Find Deal
Sat, 1 Nov - Sat, 8 Nov
United Airlines Logo
4:51 p.m. - 8:32 a.m.PWM-YUL
15h 41m2 stops
United Airlines Logo
6:15 p.m. - 10:04 a.m.YUL-PWM
15h 49m2 stops
C$ 876United Airlines
Find Deal
Sat, 1 Nov - Sat, 8 Nov
WestJet Logo
12:45 p.m. - 12:02 p.m.PWM-YUL
23h 17m1 stop
WestJet Logo
6:00 a.m. - 12:00 p.m.YUL-PWM
6h 00m1 stop
C$ 1,031WestJet
Find Deal
Fri, 10 Oct - Mon, 13 Oct
WestJet Logo
1:46 p.m. - 6:40 p.m.PWM-YUL
4h 54m1 stop
WestJet Logo
6:00 a.m. - 12:00 p.m.YUL-PWM
6h 00m1 stop
C$ 1,139WestJet
Find Deal
Thu, 9 Oct - Mon, 13 Oct
Delta Logo
6:01 a.m. - 1:35 p.m.PWM-YUL
7h 34m1 stop
Delta Logo
7:35 p.m. - 11:19 p.m.YUL-PWM
3h 44m1 stop
C$ 1,263Delta
Find Deal
Fri, 7 Nov - Sun, 9 Nov

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
1 Nov
PWM4:51 p.m.Portland
20h 11m
2 stops
YUL1:02 p.m.Montreal Pierre Elliott Trudeau Intl
8 Nov
YUL7:00 p.m.Montreal Pierre Elliott Trudeau Intl
15h 04m
1 stop
PWM10:04 a.m.Portland
C$ 869
Find similar
United Airlines
1 Nov
PWM4:51 p.m.Portland
15h 41m
2 stops
YUL8:32 a.m.Montreal Pierre Elliott Trudeau Intl
8 Nov
YUL6:15 p.m.Montreal Pierre Elliott Trudeau Intl
15h 49m
2 stops
PWM10:04 a.m.Portland
C$ 876
Find similar
United Airlines
1 Nov
PWM9:54 a.m.Portland
5h 22m
1 stop
YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl
8 Nov
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
8h 12m
1 stop
PWM2:12 p.m.Portland
C$ 995
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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
10 Oct
PWM12:45 p.m.Portland
23h 17m
1 stop
YUL12:02 p.m.Montreal Pierre Elliott Trudeau Intl
13 Oct
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
6h 00m
1 stop
PWM12:00 p.m.Portland
C$ 1,031
Find similar
WestJet
9 Oct
PWM1:46 p.m.Portland
4h 54m
1 stop
YUL6:40 p.m.Montreal Pierre Elliott Trudeau Intl
13 Oct
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
6h 00m
1 stop
PWM12:00 p.m.Portland
C$ 1,139
Find similar
WestJet
16 Oct
PWM5:42 a.m.Portland
26h 55m
1 stop
YUL8:37 a.m.Montreal Pierre Elliott Trudeau Intl
19 Oct
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
16h 24m
2 stops
PWM11:09 p.m.Portland
C$ 1,146
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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 19 September 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

Sat 18/10

5:46 a.m.-10:55 p.m.

2 stops17h 09m

Montreal Pierre Elliott Trudeau Intl

Sat 25/10

10:30 a.m.-12:34 p.m.

1 stop26h 04m

C$ 642

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 31/10

9:46 a.m.-12:30 a.m.

1 stop14h 44m

Montreal Pierre Elliott Trudeau Intl

Fri 7/11

6:45 a.m.-10:36 a.m.

2 stops27h 51m

C$ 669

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 31/10

9:46 a.m.-12:30 a.m.

1 stop14h 44m

Montreal Pierre Elliott Trudeau Intl

Fri 7/11

4:35 p.m.-10:36 a.m.

1 stop18h 01m

C$ 721

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 31/10

6:00 a.m.-9:50 a.m.

2 stops27h 50m

Montreal Pierre Elliott Trudeau Intl

Fri 7/11

7:30 a.m.-11:59 p.m.

2 stops16h 29m

C$ 724

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 18/10

8:50 a.m.-9:50 a.m.

1 stop25h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 25/10

10:30 a.m.-12:34 p.m.

1 stop26h 04m

C$ 736

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 1/11

4:51 p.m.-1:02 p.m.

2 stops20h 11m

Montreal Pierre Elliott Trudeau Intl

Sat 8/11

7:00 p.m.-10:04 a.m.

1 stop15h 04m

C$ 869

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 1/11

4:51 p.m.-8:32 a.m.

2 stops15h 41m

Montreal Pierre Elliott Trudeau Intl

Sat 8/11

6:15 p.m.-10:04 a.m.

2 stops15h 49m

C$ 876

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 10/10

12:45 p.m.-12:02 p.m.

1 stop23h 17m

Montreal Pierre Elliott Trudeau Intl

Mon 13/10

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

1 stop6h 00m

C$ 1,031

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 9/10

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

1 stop4h 54m

Montreal Pierre Elliott Trudeau Intl

Mon 13/10

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

1 stop6h 00m

C$ 1,139

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 7/11

6:01 a.m.-1:35 p.m.

1 stop7h 34m

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

7:35 p.m.-11:19 p.m.

1 stop3h 44m

C$ 1,263

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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?

Delta, American Airlines, and United Airlines 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 57% 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

Direct flights

None
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.
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  • 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
Magog
Longueuil
North Hatley
Dorval
Bromont
Saint-Sauveur
Saint-Jean-sur-Richelieu
Boucherville
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

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