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Cheap flights from Portland, ME to Montreal Pierre Elliott Trudeau Intl Airport from C$ 322

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YUL
26 Feb — 5 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portland to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

Cheapest flights from Portland to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Portland to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 January 2026.

Wed 11/36:00 a.m.
PWM
-
YUL
2 stops16h 56m
American Airlines
Wed 18/37:30 a.m.
YUL
-
PWM
2 stops16h 25m
American Airlines
Deal found 25/1C$ 779
Fri 13/311:30 a.m.
PWM
-
YUL
2 stops20h 11m
United Airlines
Fri 20/38:00 p.m.
YUL
-
PWM
2 stops19h 14m
United Airlines
Deal found 26/1C$ 787
Fri 13/36:00 a.m.
PWM
-
YUL
2 stops16h 56m
American Airlines
Fri 20/37:30 a.m.
YUL
-
PWM
2 stops16h 25m
American Airlines
Deal found 27/1C$ 794
Mon 30/37:33 p.m.
PWM
-
YUL
1 stop24h 12m
United Airlines
Fri 3/46:35 p.m.
YUL
-
PWM
1 stop24h 26m
United Airlines
Deal found 26/1C$ 833
Fri 13/36:00 a.m.
PWM
-
YUL
1 stop7h 28m
Multiple Airlines
Fri 20/33:00 p.m.
YUL
-
PWM
1 stop7h 18m
Multiple Airlines
Deal found 27/1C$ 834
Sat 28/25:45 a.m.
PWM
-
YUL
1 stop8h 15m
United Airlines
Wed 4/37:00 a.m.
YUL
-
PWM
1 stop6h 24m
United Airlines
Deal found 25/1C$ 869
Wed 11/36:18 p.m.
PWM
-
YUL
2 stops30h 14m
Multiple Airlines
Wed 18/37:30 p.m.
YUL
-
PWM
1 stop3h 42m
Multiple Airlines
Deal found 25/1C$ 871
Tue 17/39:40 a.m.
PWM
-
YUL
2 stops21h 52m
United Airlines
Wed 18/38:00 p.m.
YUL
-
PWM
2 stops19h 14m
United Airlines
Deal found 25/1C$ 872
Thu 23/44:42 p.m.
PWM
-
YUL
1 stop6h 26m
WestJet
Fri 8/56:00 a.m.
YUL
-
PWM
1 stop5h 55m
WestJet
Deal found 25/1C$ 883

Find flight deals from Portland to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Pierre Elliott Trudeau Intl (YUL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 January 2026.

Round-trip from

C$ 779

One-way from

C$ 322
American Airlines
  • American Airlines
  • 11/3-18/3
  • 4 total stops
  • 33h 21m total
  • Portland to Montreal
Search Deals
9/2
  • 9/2
  • 2 total stops
  • 34h 27m total
  • Portland to Montreal
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Pierre Elliott Trudeau Intl 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, Cheapflights users made 629,999 searches. Data last updated 27 January 2026.
Use the filters below to find and compare flights from Portland to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Portland

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Wed 11/3

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

2 stops16h 56m

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

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

2 stops16h 25m

C$ 779

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 13/3

11:30 a.m.-7:41 a.m.

2 stops20h 11m

Montreal Pierre Elliott Trudeau Intl

Fri 20/3

8:00 p.m.-3:14 p.m.

2 stops19h 14m

C$ 787

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 13/3

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

2 stops16h 56m

Montreal Pierre Elliott Trudeau Intl

Fri 20/3

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

2 stops16h 25m

C$ 794

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Mon 30/3

3:22 p.m.-7:46 a.m.

2 stops16h 24m

Montreal Pierre Elliott Trudeau Intl

Fri 3/4

6:35 p.m.-7:01 p.m.

1 stop24h 26m

C$ 846

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 17/3

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

1 stop6h 50m

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

7:30 p.m.-11:12 p.m.

1 stop3h 42m

C$ 869

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Mon 30/3

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

1 stop6h 50m

Montreal Pierre Elliott Trudeau Intl

Fri 3/4

7:30 p.m.-11:12 p.m.

1 stop3h 42m

C$ 869

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 28/2

5:45 a.m.-2:00 p.m.

1 stop8h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 4/3

7:00 a.m.-1:24 p.m.

1 stop6h 24m

C$ 869

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 17/3

9:40 a.m.-7:32 a.m.

2 stops21h 52m

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

8:00 p.m.-3:14 p.m.

2 stops19h 14m

C$ 872

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 23/4

4:42 p.m.-11:08 p.m.

1 stop6h 26m

Montreal Pierre Elliott Trudeau Intl

Fri 8/5

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

1 stop5h 55m

C$ 883

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Mon 9/2

9:47 a.m.-8:14 p.m.

2 stops34h 27m

C$ 322

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

Showing 1-10 of 20 results
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Best time to book a flight from Portland to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Montreal Pierre Elliott Trudeau Intl Airport

What is the cheapest month to book a flight from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, March is the cheapest month in which you can book a flight from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 125). Flying from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport in October is currently the most expensive (average of C$ 422). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Portland to Pierre Elliott Trudeau Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Montreal Pierre Elliott Trudeau Intl?

    Portland (PWM), located 4.7 km from the city centre, is the airport you fly out of when you book flights from Portland to Montreal Pierre Elliott Trudeau Intl. 0 airlines have flights from Portland to Montreal Pierre Elliott Trudeau Intl on a regular basis. Booking flights from Portland to Montreal Pierre Elliott Trudeau Intl should not be difficult; the airport handles an average of 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day.

  • How long is the flight from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport?

    For as low as C$ 779, American Airlines can have you in Montreal Pierre Elliott Trudeau Intl Airport from Portland, Maine in 16h 56m. Airlines will cover a distance of 340 km. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Portland to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on Portland to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Pierre Elliott Trudeau Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Pierre Elliott Trudeau Intl.

  • Can I find deals for business class flights from Portland to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from Portland to Pierre Elliott Trudeau Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 125). Flying from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport in October is currently the most expensive (average of C$ 422). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Dorval
Trois-Rivières
Sherbrooke
Cornwall
Brossard
Montebello
Boucherville
Longueuil
Drummondville
Magog
Saint-Jean-sur-Richelieu
Bromont
North Hatley
Saint-Sauveur
Louiseville

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Alternative routes for Portland to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Bar Harbor to Pierre Elliott Trudeau Intl flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Portland to Pierre Elliott Trudeau Intl?

Deals for Portland to Pierre Elliott Trudeau Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Portland to Pierre Elliott Trudeau Intl?

Cheapflights simply makes it quick and affordable to book flights from Portland to Pierre Elliott Trudeau Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Portland to Pierre Elliott Trudeau Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Portland to Pierre Elliott Trudeau Intl with no change fees.

Can Cheapflights notify me if prices for flights from Portland to Pierre Elliott Trudeau Intl become cheaper?

Of course! You can now track prices for flights from Portland to Pierre Elliott Trudeau Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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