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$190+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YMQ
May 29 — Jun 51
Fri 5/29
Fri 6/5
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 April 29, 2026.

This Delta deal was found by Cheapflights users on 4/28. 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 5/261:18 pm
PWM
-
YUL
1 stop5h 35m
Delta
Tue 6/22:29 pm
YUL
-
PWM
1 stop8h 49m
Delta
Deal found 4/28$439
This American Airlines deal was found by Cheapflights users on 4/26. 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 6/101:36 pm
PWM
-
YUL
1 stop20h 14m
American Airlines
Wed 6/1710:30 am
YUL
-
PWM
1 stop26h 09m
American Airlines
Deal found 4/26$467
This American Airlines deal was found by Cheapflights users on 4/29. 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
Mon 6/810:30 am
YUL
-
PWM
1 stop22h 23m
American Airlines
Deal found 4/29$478
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/269:29 am
PWM
-
YUL
1 stop24h 21m
American Airlines
Tue 6/210:30 am
YUL
-
PWM
2 stops13h 29m
American Airlines
Deal found 4/28$488
This American Airlines deal was found by Cheapflights users on 4/28. 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 6/2010:24 am
PWM
-
YUL
1 stop23h 32m
American Airlines
Tue 6/2310:30 am
YUL
-
PWM
1 stop22h 52m
American Airlines
Deal found 4/28$501
This American Airlines deal was found by Cheapflights users on 4/26. 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 6/21:34 pm
PWM
-
YUL
1 stop20h 16m
American Airlines
Sat 6/610:30 am
YUL
-
PWM
2 stops11h 59m
American Airlines
Deal found 4/26$502
This Delta deal was found by Cheapflights users on 4/27. 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.
Thu 6/1111:02 am
PWM
-
YUL
1 stop7h 52m
Delta
Thu 6/182:40 pm
YUL
-
PWM
1 stop8h 49m
Delta
Deal found 4/27$505
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:00 am
PWM
-
YUL
1 stop7h 09m
United Airlines
Sun 5/176:35 pm
YUL
-
PWM
1 stop5h 24m
United Airlines
Deal found 4/26$551
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:00 am
PWM
-
YUL
1 stop10h 10m
United Airlines
Sat 6/209:15 am
YUL
-
PWM
1 stop14h 36m
United Airlines
Deal found 4/29$562

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 April 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$439
(Delta)

One-way from

$190
(Delta)
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 April 29, 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

Tue 5/26

9:29 am-9:50 am

1 stop24h 21m

Montreal Pierre Elliott Trudeau Intl

Tue 6/2

10:30 am-12:40 pm

1 stop26h 10m

$439
Quickest round-trip

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 5/26

1:18 pm-6:53 pm

1 stop5h 35m

Montreal Pierre Elliott Trudeau Intl

Tue 6/2

2:29 pm-11:18 pm

1 stop8h 49m

$439

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 6/11

11:02 am-6:54 pm

1 stop7h 52m

Montreal Pierre Elliott Trudeau Intl

Thu 6/18

2:40 pm-11:29 pm

1 stop8h 49m

$505

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 6/13

6:00 am-4:10 pm

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 6/20

9:15 am-11:51 pm

1 stop14h 36m

$562

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 6/11

5:17 pm-9:50 am

2 stops16h 33m

Montreal Pierre Elliott Trudeau Intl

Thu 6/18

10:30 am-11:59 pm

2 stops13h 29m

$577

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 8/29

8:15 pm-7:38 am

1 stop11h 23m

Montreal Pierre Elliott Trudeau Intl

Wed 9/2

8:15 am-6:54 pm

1 stop10h 39m

$595

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 9/5

6:00 am-9:26 pm

1 stop15h 26m

Montreal Pierre Elliott Trudeau Intl

Tue 9/8

11:23 am-11:31 pm

1 stop12h 08m

$599

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 9/5

11:25 am-11:10 pm

2 stops11h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

9:28 am-1:21 pm

1 stop3h 53m

$608

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 9/4

11:25 am-11:10 pm

2 stops11h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 9/6

9:28 am-1:21 pm

1 stop3h 53m

$608
Cheapest one-way

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 7/17

1:25 pm-9:48 am

1 stop20h 23m

$196

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 19 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 April.
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
No data available for this route at this time. Please check back soon.

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, American Airlines can have you in Montreal from Portland, Maine in 5h 35m. 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.

See more FAQs

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