HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Pierre Elliott Trudeau Intl

$256+ Cheap flights from Portland, ME (PWM) to Pierre Elliott Trudeau Intl (YUL)

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YUL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Pierre Elliott Trudeau Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 September 11, 2025.

Round-trip from

$377
(Delta)

One-way from

$256
(American Airlines)
From Portland to Montreal Pierre Elliott Trudeau Intl
Search Deals
One-way flight from Portland to Montreal Pierre Elliott Trudeau Intl
Search Deals

Find flight deals from Portland to Pierre Elliott Trudeau Intl

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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:42 amPWM - YUL
1 stop26h 55mDelta
Sat 10/252:25 pmYUL - PWM
1 stop20h 24mDelta
Deal found 9/10$377
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:50 amPWM - YUL
1 stop25h 00mAmerican Airlines
Sat 11/17:50 amYUL - PWM
2 stops13h 31mAmerican Airlines
Deal found 9/9$439
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:00 amPWM - YUL
1 stop26h 50mAmerican Airlines
Fri 10/3110:30 amYUL - PWM
1 stop25h 38mAmerican Airlines
Deal found 9/8$451
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:05 pmPWM - YUL
2 stops46h 20mMultiple Airlines
Fri 10/314:35 pmYUL - PWM
1 stop18h 01mMultiple Airlines
Deal found 9/8$452
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:40 pmPWM - YUL
2 stops28h 30mMultiple Airlines
Sun 11/24:35 pmYUL - PWM
1 stop16h 31mMultiple Airlines
Deal found 9/11$482
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:00 amPWM - YUL
2 stops16h 55mAmerican Airlines
Mon 10/2010:30 amYUL - PWM
1 stop26h 05mAmerican Airlines
Deal found 9/9$493
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/262:02 pmPWM - YUL
2 stops19h 44mAmerican Airlines
Mon 9/294:09 pmYUL - PWM
2 stops24h 25mAmerican Airlines
Deal found 9/9$496
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/101:05 pmPWM - YUL
1 stop20h 45mAmerican Airlines
Fri 10/1710:30 amYUL - PWM
1 stop31h 08mAmerican Airlines
Deal found 9/10$507
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1712:34 pmPWM - YUL
2 stops21h 16mAmerican Airlines
Sat 10/254:00 pmYUL - PWM
2 stops24h 41mAmerican Airlines
Deal found 9/10$513

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 2,558,603 searches. Data last updated September 11, 2025.
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

Fri 10/17

5:42 am-8:37 am

1 stop26h 55m

Montreal Pierre Elliott Trudeau Intl

Sat 10/25

6:00 am-12:05 am

2 stops18h 05m

$377

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 10/25

8:50 am-9:50 am

1 stop25h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 11/1

7:50 am-9:21 pm

2 stops13h 31m

$439

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 10/24

7:00 am-9:50 am

1 stop26h 50m

Montreal Pierre Elliott Trudeau Intl

Fri 10/31

10:30 am-12:08 pm

1 stop25h 38m

$451

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 10/24

6:05 pm-4:25 pm

2 stops46h 20m

Montreal Pierre Elliott Trudeau Intl

Fri 10/31

4:35 pm-10:36 am

1 stop18h 01m

$452

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sun 10/26

5:40 pm-10:10 pm

2 stops28h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 11/2

4:35 pm-9:06 am

1 stop16h 31m

$482

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Wed 10/15

6:00 am-10:55 pm

2 stops16h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 10/20

10:30 am-12:35 pm

1 stop26h 05m

$493

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 9/26

2:02 pm-9:46 am

2 stops19h 44m

Montreal Pierre Elliott Trudeau Intl

Mon 9/29

4:09 pm-4:34 pm

2 stops24h 25m

$496

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 10/10

1:05 pm-9:50 am

1 stop20h 45m

Montreal Pierre Elliott Trudeau Intl

Fri 10/17

4:00 pm-4:27 pm

2 stops24h 27m

$515

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Mon 9/22

7:05 am-9:58 am

1 stop26h 53m

$256

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sun 10/12

6:00 am-10:55 pm

2 stops16h 55m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 14 results
1
2

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, January is the cheapest month in which you can book a flight from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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?

    Most people fly from Portland (PWM) if they book a flight from Portland to Montreal Pierre Elliott Trudeau Intl. On average, Portland has 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day from 0 airlines. Portland is conveniently located just 2.9 mi from Portland’s city center.

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

    Departing from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport will take you 25h. There are 211 mi between Portland, Maine and Montreal Pierre Elliott Trudeau Intl Airport. This flight may include one or multiple stops.

  • 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, January is the cheapest month in which you can book a flight from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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

Traveling 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
Longueuil
Brossard
Sherbrooke
Dorval

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.