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Cheap flights from Montreal to Portland, ME from C$ 353

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — PWM
20 Feb — 27 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Portland

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Portland
Explore the most affordable flight options available from Montreal to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2026.

Thu 2/42:29 p.m.
YUL
-
PWM
1 stop8h 43m
Delta
Tue 7/46:03 a.m.
PWM
-
YUL
1 stop26h 27m
Delta
Deal found 21/1C$ 658
Sat 14/22:13 p.m.
YUL
-
PWM
1 stop4h 43m
United Airlines
Sat 21/29:40 a.m.
PWM
-
YUL
1 stop5h 36m
United Airlines
Deal found 20/1C$ 687
Fri 6/37:30 a.m.
YUL
-
PWM
2 stops16h 20m
American Airlines
Fri 13/36:00 a.m.
PWM
-
YUL
2 stops16h 56m
American Airlines
Deal found 20/1C$ 698
Sat 14/21:10 p.m.
YUL
-
PWM
1 stop10h 10m
Multiple Airlines
Sat 21/26:00 a.m.
PWM
-
YUL
2 stops9h 56m
Multiple Airlines
Deal found 20/1C$ 731
Fri 6/31:10 p.m.
YUL
-
PWM
1 stop9h 08m
Multiple Airlines
Fri 13/36:00 a.m.
PWM
-
YUL
1 stop7h 28m
Multiple Airlines
Deal found 20/1C$ 738
Thu 2/46:45 a.m.
YUL
-
PWM
2 stops9h 21m
WestJet
Tue 7/44:48 p.m.
PWM
-
YUL
1 stop19h 11m
WestJet
Deal found 21/1C$ 742
Fri 21/84:55 p.m.
YUL
-
PWM
1 stop19h 00m
WestJet
Fri 28/84:50 p.m.
PWM
-
YUL
1 stop23h 11m
WestJet
Deal found 20/1C$ 745
Sat 14/23:35 p.m.
YUL
-
PWM
2 stops7h 45m
Air Canada
Sat 21/26:00 a.m.
PWM
-
YUL
2 stops14h 44m
Air Canada
Deal found 20/1C$ 760
Thu 29/16:00 a.m.
YUL
-
PWM
1 stop8h 39m
United Airlines
Mon 2/28:40 a.m.
PWM
-
YUL
1 stop4h 48m
United Airlines
Deal found 19/1C$ 769
Thu 21/53:40 p.m.
YUL
-
PWM
1 stop5h 47m
United Airlines
Sat 23/53:15 p.m.
PWM
-
YUL
1 stop6h 25m
United Airlines
Deal found 20/1C$ 801

Find flight deals from Montreal to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) to Portland (PWM). 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 21 January 2026.

Round-trip from

C$ 658

One-way from

C$ 353
Delta
  • Delta
  • 2/4-7/4
  • 2 total stops
  • 35h 10m total
  • Montreal to Portland
Search Deals
7/3
  • 7/3
  • 1 total stop
  • 8h 06m total
  • Montreal to Portland
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal to Portland 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 629,999 searches. Data last updated 21 January 2026.
Use the filters below to find and compare flights from Montreal to Portland that are best for you.

Fly from

Montreal

Fly to

Portland

Route

Depart

Return

Price

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Thu 2/4

2:29 p.m.-11:12 p.m.

1 stop8h 43m

Portland

Tue 7/4

6:03 a.m.-8:30 a.m.

1 stop26h 27m

C$ 658

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sat 14/2

2:13 p.m.-6:56 p.m.

1 stop4h 43m

Portland

Sat 21/2

9:40 a.m.-3:16 p.m.

1 stop5h 36m

C$ 687

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sat 14/2

3:35 p.m.-11:20 p.m.

2 stops7h 45m

Portland

Sat 21/2

6:00 a.m.-8:44 p.m.

2 stops14h 44m

C$ 760

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

3:40 p.m.-9:27 p.m.

1 stop5h 47m

Portland

Sat 23/5

3:15 p.m.-9:40 p.m.

1 stop6h 25m

C$ 801

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Fri 6/3

9:15 a.m.-2:32 p.m.

1 stop5h 17m

Portland

Fri 13/3

11:30 a.m.-7:41 a.m.

2 stops20h 11m

C$ 812

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

7:55 a.m.-11:45 p.m.

2 stops15h 50m

Portland

Sat 23/5

1:31 p.m.-9:51 a.m.

1 stop20h 20m

C$ 845

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Wed 8/7

6:30 a.m.-9:27 p.m.

1 stop14h 57m

Portland

Sun 12/7

6:00 a.m.-12:03 p.m.

1 stop6h 03m

C$ 875

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 7/7

8:15 a.m.-9:27 p.m.

1 stop13h 12m

Portland

Sun 12/7

6:00 a.m.-12:03 p.m.

1 stop6h 03m

C$ 875

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Mon 6/7

1:10 p.m.-6:13 p.m.

1 stop5h 03m

Portland

Sun 12/7

6:00 a.m.-12:03 p.m.

1 stop6h 03m

C$ 875

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sat 7/3

6:00 a.m.-3:14 p.m.

1 stop9h 14m

Portland

Mon 9/3

5:45 a.m.-6:40 p.m.

1 stop12h 55m

C$ 875

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/1

Showing 1-10 of 15 results
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Best time to book a flight from Montreal to Portland

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

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

Currently, April is the cheapest month in which you can book a flight from Montreal to Portland, Maine (average of C$ 228). Flying from Montreal to Portland, Maine in December is currently the most expensive (average of C$ 400). 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.

What’s the top layover airport for flights from Montreal to Portland, Maine?

Share of one-stop round-trip flights from Montreal to Portland, Maine chosen by Cheapflights users in the past 12 months, using the same layover each way.

Newark (EWR) – chosen by Cheapflights users on 67% of one-stop itineraries from Montreal to Portland, Maine on Cheapflights.

What’s the cheapest layover airport for flights from Montreal to Portland, Maine?

Average round-trip fare for 1-stop flights from Montreal to Portland, Maine, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Newark (EWR) is the most affordable 1-stop option, with an average round-trip price of C$ 708.

What’s the fastest layover option from Montreal to Portland, Maine?

Shortest average travel time for 1-stop one-way flights from Montreal to Portland, Maine, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Newark (EWR) have the shortest average one-way travel time for 1-stop routes: 4h 23m.

Which airport typically offers the quickest layover for flights from Montreal to Portland, Maine?

Average layover duration for 1-stop one-way flights from Montreal to Portland, Maine, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Newark (EWR) offer the fastest connection on this route, with an average layover time of 1h 17m.

Related info for your journey

Find useful and relevant information for your journey from Montreal to Portland. 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 into for flights to Portland from Montreal?

    Portland (PWM), located 4.7 km from the city centre, is the airport you fly into when you book flights from Montreal to Portland. 0 airlines have flights to Portland from Montreal on a regular basis. Booking flights from Montreal to Portland should not be difficult; the airport handles an average of 0 inbound flights from Montreal per day.

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

    A quick flight from Montreal to Portland, Maine can take about 4h 43m. Delta provides one of the quickest options available for as low as C$ 687. Montreal and Portland, Maine are separated by a distance of 340 km. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montreal to Portland 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 Montreal to Portland, Maine?

    Currently, April is the cheapest month in which you can book a flight from Montreal to Portland, Maine (average of C$ 228). Flying from Montreal to Portland, Maine in December is currently the most expensive (average of C$ 400). 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

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway

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Can Cheapflights notify me if prices for flights from Montreal to Portland become cheaper?

Yes! Start tracking prices for Montreal to Portland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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