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$186+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YMQ
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
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 December 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/13. 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 12/199:46 amPWM - YUL
1 stop14h 44mMultiple Airlines
Sun 12/215:25 pmYUL - PWM
2 stops15h 41mMultiple Airlines
Deal found 12/13$860
This FlightHub deal was found by Cheapflights users on 12/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1912:53 pmPWM - YUL
2 stops11h 50mWestJet
Sun 12/216:45 amYUL - PWM
2 stops29h 31mWestJet
Deal found 12/13$1,330

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 December 15, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$437
(Kiwi.com)

One-way from

$186
(Kiwi.com)

Popular in

October

Cheapest in

March

Average price

$460
Provider with most accurate pricing for Portland-Montreal (YMQ) flight deals.
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Provider most trusted by Cheapflights users for Portland-Montreal (YMQ) flights.
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From Portland to Montreal (YMQ)
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One-way flight from Portland to Montreal (YMQ)
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Highest demand for flights based on searches. 9% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 15, 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

Tue 1/27

6:00 am-1:22 pm

1 stop7h 22m

Montreal Pierre Elliott Trudeau Intl

Tue 2/3

2:15 pm-11:22 pm

1 stop9h 07m

$504

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 3/3

5:59 pm-8:37 am

1 stop14h 38m

Montreal Pierre Elliott Trudeau Intl

Tue 3/10

9:20 am-5:05 pm

1 stop7h 45m

$504

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 3/3

6:14 pm-12:38 am

2 stops30h 24m

Montreal Pierre Elliott Trudeau Intl

Tue 3/10

4:35 pm-10:17 am

1 stop17h 42m

$511

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 1/27

5:20 am-10:59 pm

2 stops41h 39m

Montreal Pierre Elliott Trudeau Intl

Tue 2/3

12:59 pm-11:43 pm

2 stops34h 44m

$547

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 1/22

5:20 am-10:59 pm

2 stops17h 39m

Montreal Pierre Elliott Trudeau Intl

Fri 1/23

12:59 pm-12:06 pm

2 stops23h 07m

$547

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 1/30

5:20 am-12:24 pm

2 stops31h 04m

Montreal Pierre Elliott Trudeau Intl

Sun 2/1

7:30 am-12:06 pm

2 stops28h 36m

$547

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 1/22

6:00 am-1:22 pm

1 stop7h 22m

Montreal Pierre Elliott Trudeau Intl

Fri 1/23

2:15 pm-11:22 pm

1 stop9h 07m

$601

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 1/30

9:47 am-7:05 am

2 stops21h 18m

Montreal Pierre Elliott Trudeau Intl

Sun 2/1

4:35 pm-9:07 am

1 stop16h 32m

$602

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 5/28

6:38 am-9:45 am

1 stop27h 07m

Montreal Pierre Elliott Trudeau Intl

Sun 5/31

10:35 am-12:26 pm

1 stop25h 51m

$642

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 1/30

6:00 am-1:22 pm

1 stop7h 22m

Montreal Pierre Elliott Trudeau Intl

Sun 2/1

7:30 pm-11:22 pm

1 stop3h 52m

$663

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 20 results
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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Portland, Maine-Montreal flight deals on Cheapflights vs. Justfly.com >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 Justfly.com the most. Justfly.com 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 $504, Delta can have you in Montreal from Portland, Maine in 7h 22m. 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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