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Cheap flights from Portland, Maine to Montreal from C$ 374

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 17/3. 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
6:00 a.m. - 10:56 p.m.
PWM
-
YUL
16h 56m
2 stops
American Airlines Logo
7:45 a.m. - 11:54 p.m.
YUL
-
PWM
16h 09m
2 stops
C$ 550American Airlines
Mon, 6 Apr - Mon, 13 Apr
American Airlines Logo
6:00 a.m. - 10:56 p.m.
PWM
-
YUL
16h 56m
2 stops
American Airlines Logo
7:30 a.m. - 11:55 p.m.
YUL
-
PWM
16h 25m
2 stops
C$ 678American Airlines
Wed, 11 Mar - Sun, 15 Mar
American Airlines Logo
1:35 p.m. - 9:50 a.m.
PWM
-
YUL
20h 15m
1 stop
American Airlines Logo
10:30 a.m. - 12:40 p.m.
YUL
-
PWM
26h 10m
1 stop
C$ 715American Airlines
Thu, 21 May - Sat, 23 May
American Airlines Logo
10:59 a.m. - 12:24 p.m.
PWM
-
YUL
25h 25m
2 stops
American Airlines Logo
7:45 a.m. - 10:07 a.m.
YUL
-
PWM
26h 22m
2 stops
C$ 739American Airlines
Sat, 4 Apr - Sat, 11 Apr
United Airlines Logo
6:00 a.m. - 5:30 p.m.
PWM
-
YUL
11h 30m
1 stop
United Airlines Logo
6:10 a.m. - 5:32 p.m.
YUL
-
PWM
11h 22m
1 stop
C$ 742United Airlines
Sat, 4 Apr - Sat, 11 Apr
United Airlines Logo
7:36 p.m. - 7:46 a.m.
PWM
-
YUL
12h 10m
1 stop
United Airlines Logo
7:45 p.m. - 10:22 a.m.
YUL
-
PWM
14h 37m
2 stops
C$ 751United Airlines
Thu, 9 Apr - Mon, 13 Apr
American Airlines Logo
5:42 a.m. - 10:56 p.m.
PWM
-
YUL
17h 14m
2 stops
American Airlines Logo
7:30 a.m. - 11:55 p.m.
YUL
-
PWM
16h 25m
2 stops
C$ 756American Airlines
Sun, 22 Mar - Sun, 29 Mar
Delta Logo
11:45 a.m. - 6:35 p.m.
PWM
-
YUL
6h 50m
1 stop
Delta Logo
2:29 p.m. - 11:24 p.m.
YUL
-
PWM
8h 55m
1 stop
C$ 758Delta
Thu, 9 Apr - Mon, 13 Apr
Delta Logo
11:45 a.m. - 6:35 p.m.
PWM
-
YUL
6h 50m
1 stop
Delta Logo
2:29 p.m. - 11:12 p.m.
YUL
-
PWM
8h 43m
1 stop
C$ 761Delta
Fri, 3 Apr - Fri, 10 Apr
American Airlines Logo
6:00 a.m. - 10:56 p.m.
PWM
-
YUL
16h 56m
2 stops
American Airlines Logo
7:30 a.m. - 11:55 p.m.
YUL
-
PWM
16h 25m
2 stops
C$ 779American Airlines
Fri, 20 Mar - Fri, 27 Mar

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
6 Apr
PWM6:00 a.m.Portland
16h 56m
2 stops
YUL10:56 p.m.Montreal Pierre Elliott Trudeau Intl
13 Apr
YUL7:45 a.m.Montreal Pierre Elliott Trudeau Intl
16h 09m
2 stops
PWM11:54 p.m.Portland
C$ 550
American Airlines
11 Mar
PWM6:00 a.m.Portland
16h 56m
2 stops
YUL10:56 p.m.Montreal Pierre Elliott Trudeau Intl
15 Mar
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
16h 25m
2 stops
PWM11:55 p.m.Portland
C$ 678
American Airlines
21 May
PWM1:35 p.m.Portland
20h 15m
1 stop
YUL9:50 a.m.Montreal Pierre Elliott Trudeau Intl
23 May
YUL10:30 a.m.Montreal Pierre Elliott Trudeau Intl
26h 10m
1 stop
PWM12:40 p.m.Portland
C$ 714

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
4 Apr
PWM6:00 a.m.Portland
11h 30m
1 stop
YUL5:30 p.m.Montreal Pierre Elliott Trudeau Intl
11 Apr
YUL6:10 a.m.Montreal Pierre Elliott Trudeau Intl
11h 22m
1 stop
PWM5:32 p.m.Portland
C$ 742
United Airlines
9 Apr
PWM7:36 p.m.Portland
12h 10m
1 stop
YUL7:46 a.m.Montreal Pierre Elliott Trudeau Intl
13 Apr
YUL7:45 p.m.Montreal Pierre Elliott Trudeau Intl
14h 37m
2 stops
PWM10:22 a.m.Portland
C$ 751
United Airlines
17 Mar
PWM4:23 p.m.Portland
20h 23m
2 stops
YUL12:46 p.m.Montreal Pierre Elliott Trudeau Intl
18 Mar
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
22h 29m
1 stop
PWM3:14 p.m.Portland
C$ 820

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 21 February 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

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Mon 6/4

6:00 a.m.-10:56 p.m.

2 stops16h 56m

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

7:45 a.m.-11:54 p.m.

2 stops16h 09m

C$ 550

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Wed 11/3

6:00 a.m.-10:56 p.m.

2 stops16h 56m

Montreal Pierre Elliott Trudeau Intl

Sun 15/3

7:30 a.m.-11:55 p.m.

2 stops16h 25m

C$ 678

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 21/5

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

1 stop20h 15m

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

10:30 a.m.-12:40 p.m.

1 stop26h 10m

C$ 714

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 4/4

10:59 a.m.-12:24 p.m.

2 stops25h 25m

Montreal Pierre Elliott Trudeau Intl

Sat 11/4

7:45 a.m.-10:07 a.m.

2 stops26h 22m

C$ 739

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 4/4

6:00 a.m.-5:30 p.m.

1 stop11h 30m

Montreal Pierre Elliott Trudeau Intl

Sat 11/4

6:10 a.m.-5:32 p.m.

1 stop11h 22m

C$ 742

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 9/4

7:36 p.m.-7:46 a.m.

1 stop12h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

7:45 p.m.-10:22 a.m.

2 stops14h 37m

C$ 751

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sun 22/3

5:42 a.m.-10:56 p.m.

2 stops17h 14m

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

7:30 a.m.-11:55 p.m.

2 stops16h 25m

C$ 756

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 9/4

11:45 a.m.-6:35 p.m.

1 stop6h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

2:29 p.m.-11:24 p.m.

1 stop8h 55m

C$ 758

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 3/4

11:45 a.m.-6:35 p.m.

1 stop6h 50m

Montreal Pierre Elliott Trudeau Intl

Fri 10/4

2:29 p.m.-11:12 p.m.

1 stop8h 43m

C$ 761

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 20/3

6:00 a.m.-10:56 p.m.

2 stops16h 56m

Montreal Pierre Elliott Trudeau Intl

Fri 27/3

7:30 a.m.-11:55 p.m.

2 stops16h 25m

C$ 779

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 day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

The cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport is on a Tuesday when prices can be found for as low as C$ 508. This is often the case because there is less demand to fly during this day of the week. On the other hand, Wednesday is the most expensive day to depart from Portland, Maine because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 774.

What is the cheapest time of day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

In the morning is the cheapest time of day to fly from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as C$ 597. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around C$ 666. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 35m

Direct flights

None
The fastest flight from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport takes 5h 35m
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

  • 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 35m.

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

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