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$256+ Cheap flights from Portland, ME (PWM) to Montreal (YMQ)

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 — YMQ
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Portland to Montreal

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Montreal (YMQ). 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 (YMQ)
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One-way flight from Portland to Montreal (YMQ)
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Find flight deals from Portland to Montreal

Cheapest flights from Portland to Montreal
Explore the most affordable flight options available from Portland to Montreal. 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 Montreal 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 that are best for you.

Fly from

Portland

Fly to

Montreal

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
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Best time to book a flight from Portland to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal 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

What is the cheapest month to book a flight from Portland, Maine to Montreal?

Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Montreal (average of $270). Flying from Portland, Maine to Montreal 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 Montreal. 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?

    Located just 2.9 mi from the city center, Portland is the airport most travelers will use when flying to Montreal from Portland. Booking flights from Portland (PWM) to Montreal should be relatively easy as there are 0 daily outbound flights to Montreal from 0 different airlines.

  • How long is the flight from Portland, Maine to Montreal?

    For as low as $439, Delta can have you in Montreal from Portland, Maine in 25h. The distance from Portland, Maine to Montreal is about 211 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Portland to Montreal that include hotel bookings?

    Yes. In addition to deals on Portland to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Montreal?

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

  • Can I find deals for business class flights from Portland to Montreal?

    Yes. Cheapflights offers flight deals from Portland to Montreal 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?

    Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Montreal (average of $270). Flying from Portland, Maine to Montreal 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

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