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$209+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YMQ
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
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Cheap 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 March 12, 2026.

This American Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 8/181:14 pm
PWM
-
YUL
1 stop20h 36m
American Airlines
Thu 8/2010:31 am
YUL
-
PWM
1 stop25h 53m
American Airlines
Deal found 3/10$420
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 6/81:35 pm
PWM
-
YUL
1 stop20h 15m
American Airlines
Wed 6/1010:30 am
YUL
-
PWM
1 stop26h 10m
American Airlines
Deal found 3/8$432
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:26 pm
PWM
-
YUL
1 stop15h 14m
Delta
Mon 4/277:41 pm
YUL
-
PWM
1 stop15h 21m
Delta
Deal found 3/8$492
This Delta deal was found by Cheapflights users on 3/12. 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.
Tue 4/215:26 pm
PWM
-
YUL
1 stop15h 14m
Delta
Tue 4/287:41 pm
YUL
-
PWM
1 stop15h 21m
Delta
Deal found 3/12$498
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Mon 6/11:35 pm
PWM
-
YUL
1 stop20h 15m
American Airlines
Thu 6/410:30 am
YUL
-
PWM
2 stops13h 29m
American Airlines
Deal found 3/9$504
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:26 pm
PWM
-
YUL
1 stop15h 14m
Delta
Thu 4/307:41 pm
YUL
-
PWM
1 stop21h 04m
Delta
Deal found 3/8$506
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Mon 3/3011:29 am
PWM
-
YUL
2 stops37h 01m
Multiple Airlines
Sun 4/54:35 pm
YUL
-
PWM
1 stop16h 32m
Multiple Airlines
Deal found 3/8$522
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:26 pm
PWM
-
YUL
1 stop15h 14m
Delta
Wed 4/299:30 am
YUL
-
PWM
1 stop13h 54m
Delta
Deal found 3/8$536
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:03 am
PWM
-
YUL
1 stop7h 34m
Delta
Fri 4/172:29 pm
YUL
-
PWM
1 stop8h 55m
Delta
Deal found 3/11$545

Find 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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$420
(American Airlines)

One-way from

$209
(American Airlines)
Provider with most accurate pricing for Portland-Montreal (YMQ) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Montreal (YMQ) flights.
Search Deals
From Portland to Montreal (YMQ)
Search Deals
One-way flight from Portland to Montreal (YMQ)
Search Deals

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 March 12, 2026.
Use the filters below to find and compare flights from Portland to Montreal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Wed 4/22

5:26 pm-8:40 am

1 stop15h 14m

Montreal Pierre Elliott Trudeau Intl

Mon 4/27

7:41 pm-11:02 am

1 stop15h 21m

$492
Quickest round-trip

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 4/10

6:03 am-1:37 pm

1 stop7h 34m

Montreal Pierre Elliott Trudeau Intl

Fri 4/17

2:29 pm-11:24 pm

1 stop8h 55m

$545

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 4/11

6:33 pm-10:40 am

1 stop16h 07m

Montreal Pierre Elliott Trudeau Intl

Wed 4/15

6:10 am-5:32 pm

1 stop11h 22m

$563

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 4/10

6:04 am-6:56 pm

1 stop12h 52m

Montreal Pierre Elliott Trudeau Intl

Mon 4/13

8:00 pm-5:32 pm

2 stops21h 32m

$613

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 4/2

6:04 am-4:05 pm

1 stop10h 01m

Montreal Pierre Elliott Trudeau Intl

Mon 4/6

8:00 pm-5:32 pm

2 stops21h 32m

$613

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 4/21

10:47 am-9:37 pm

2 stops10h 50m

Montreal Pierre Elliott Trudeau Intl

Tue 4/28

7:45 am-10:07 am

2 stops26h 22m

$622
Cheapest one-way

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 5/22

1:35 pm-9:50 am

1 stop20h 15m

$237

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 7/30

1:25 pm-9:48 am

1 stop20h 23m

$269

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 6/18

9:59 am-9:50 am

1 stop23h 51m

$269
Quickest one-way

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 4/3

6:33 pm-10:40 am

1 stop16h 07m

$272

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Compare providers for flights from Portland to Montreal

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Montreal in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland, Maine-Montreal flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Montreal flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Montreal flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Montreal flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Montreal flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, March is the cheapest month in which you can book a flight from Portland, Maine to Montreal (average of $91). Flying from Portland, Maine to Montreal in October is currently the most expensive (average of $308). 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 $492, Delta can have you in Montreal from Portland, Maine in 15h 14m. 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, March is the cheapest month in which you can book a flight from Portland, Maine to Montreal (average of $91). Flying from Portland, Maine to Montreal in October is currently the most expensive (average of $308). 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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