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Cheap flights from Portland, ME to Montreal Pierre Elliott Trudeau Intl Airport from C$ 287

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 13/7. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YUL
14 Apr — 21 Apr1
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 15 March 2026.

Tue 18/81:14 p.m.
PWM
-
YUL
1 stop20h 36m
American Airlines
Thu 20/810:31 a.m.
YUL
-
PWM
1 stop25h 53m
American Airlines
Deal found 10/3C$ 576
Tue 21/45:26 p.m.
PWM
-
YUL
1 stop15h 14m
Delta
Tue 28/47:41 p.m.
YUL
-
PWM
1 stop15h 21m
Delta
Deal found 12/3C$ 683
Tue 21/45:26 p.m.
PWM
-
YUL
1 stop15h 14m
Delta
Mon 27/47:41 p.m.
YUL
-
PWM
1 stop15h 21m
Delta
Deal found 12/3C$ 724
Sat 4/46:00 a.m.
PWM
-
YUL
1 stop7h 09m
Air Canada
Fri 10/46:00 a.m.
YUL
-
PWM
1 stop7h 25m
Air Canada
Deal found 14/3C$ 738
Fri 10/46:03 a.m.
PWM
-
YUL
1 stop7h 34m
Delta
Fri 17/42:29 p.m.
YUL
-
PWM
1 stop8h 55m
Delta
Deal found 11/3C$ 748
Thu 16/710:01 a.m.
PWM
-
YUL
1 stop23h 47m
American Airlines
Tue 21/710:30 a.m.
YUL
-
PWM
1 stop26h 05m
American Airlines
Deal found 11/3C$ 749
Mon 27/47:33 p.m.
PWM
-
YUL
1 stop4h 40m
United Airlines
Mon 4/56:35 p.m.
YUL
-
PWM
1 stop5h 24m
United Airlines
Deal found 13/3C$ 763
Sat 4/45:29 a.m.
PWM
-
YUL
2 stops17h 27m
American Airlines
Fri 10/47:45 a.m.
YUL
-
PWM
2 stops16h 09m
American Airlines
Deal found 14/3C$ 785
Sat 11/46:33 p.m.
PWM
-
YUL
1 stop16h 07m
United Airlines
Wed 15/49:45 a.m.
YUL
-
PWM
1 stop11h 55m
United Airlines
Deal found 13/3C$ 792
Sat 4/46:00 a.m.
PWM
-
YUL
1 stop10h 05m
Multiple Airlines
Fri 10/46:00 a.m.
YUL
-
PWM
1 stop7h 25m
Multiple Airlines
Deal found 12/3C$ 803

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 15 March 2026.

Round-trip from

C$ 576

One-way from

C$ 287
American Airlines
  • American Airlines
  • 18/8-20/8
  • 2 total stops
  • 46h 29m total
  • Portland to Montreal
Search Deals
American Airlines
  • American Airlines
  • 13/7
  • 1 total stop
  • 20h 23m 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 15 March 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 10/4

6:03 a.m.-1:37 p.m.

1 stop7h 34m

Montreal Pierre Elliott Trudeau Intl

Fri 17/4

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

1 stop8h 55m

C$ 748
Quickest round-trip

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Mon 27/4

7:33 p.m.-12:13 a.m.

1 stop4h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

6:35 p.m.-11:59 p.m.

1 stop5h 24m

C$ 763

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 11/7

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

1 stop14h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 15/7

2:20 p.m.-11:51 p.m.

1 stop9h 31m

C$ 792

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 11/4

6:33 p.m.-10:40 a.m.

1 stop16h 07m

Montreal Pierre Elliott Trudeau Intl

Sat 18/4

6:10 a.m.-9:40 p.m.

1 stop15h 30m

C$ 792

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 11/4

6:33 p.m.-10:40 a.m.

1 stop16h 07m

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

9:45 a.m.-9:40 p.m.

1 stop11h 55m

C$ 792

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 2/4

6:04 a.m.-4:05 p.m.

1 stop10h 01m

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

8:00 p.m.-5:32 p.m.

2 stops21h 32m

C$ 841

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 10/4

6:03 a.m.-8:30 a.m.

1 stop26h 27m

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

5:05 p.m.-12:05 p.m.

1 stop19h 00m

C$ 867

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 18/8

1:59 p.m.-9:50 a.m.

2 stops19h 51m

Montreal Pierre Elliott Trudeau Intl

Thu 20/8

10:31 a.m.-11:47 p.m.

2 stops13h 16m

C$ 885
Cheapest one-way

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Wed 29/7

1:25 p.m.-9:48 a.m.

1 stop20h 23m

C$ 332

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Mon 30/3

11:29 a.m.-12:30 a.m.

2 stops37h 01m

C$ 336

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/3

Showing 1-10 of 13 resultsSorted by cheapest first
1
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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$ 129). Flying from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport in October is currently the most expensive (average of C$ 423). 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$ 763, Delta can have you in Montreal Pierre Elliott Trudeau Intl Airport from Portland, Maine in 4h 40m. 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$ 129). Flying from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport in October is currently the most expensive (average of C$ 423). 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
Trois-Rivières
Dorval
Sherbrooke
Cornwall
Montebello
Brossard
Boucherville
Longueuil
Magog
Saint-Jean-sur-Richelieu
Bromont
Drummondville
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.
Boston to Pierre Elliott Trudeau Intl flights
Bangor to Pierre Elliott Trudeau Intl flights
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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