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Cheap flights from Montreal to Portland, ME from C$ 312

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — PWM
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheap 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 16 September 2025.

Round-trip from

C$ 622

One-way from

C$ 312

Popular in

June

Cheapest in

February
American Airlines
  • American Airlines
  • 18/10-25/10
  • 3 total stops
  • 35h 12m total
  • Montreal to Portland
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Delta
  • Delta
  • 31/10
  • 1 total stop
  • 15h 50m total
  • Montreal to Portland
Search Deals
High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 4% potential price decrease (C$ 56 potential savings vs. average RT price).
Search Deals

Find flight deals from Montreal to Portland

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 16 September 2025.

Sat 18/1010:30 a.m.YUL - PWM
1 stop7h 08mAmerican Airlines
Sat 25/105:46 a.m.PWM - YUL
2 stops28h 04mAmerican Airlines
Deal found 14/9C$ 622
Tue 14/1012:59 p.m.YUL - PWM
2 stops10h 52mAmerican Airlines
Tue 21/106:00 a.m.PWM - YUL
2 stops16h 55mAmerican Airlines
Deal found 15/9C$ 642
Fri 31/103:00 p.m.YUL - PWM
1 stop8h 17mMultiple Airlines
Fri 7/116:00 a.m.PWM - YUL
1 stop7h 28mMultiple Airlines
Deal found 15/9C$ 681
Mon 29/97:50 a.m.YUL - PWM
2 stops15h 55mAmerican Airlines
Mon 6/105:21 p.m.PWM - YUL
2 stops16h 29mAmerican Airlines
Deal found 15/9C$ 717
Tue 14/1011:23 a.m.YUL - PWM
1 stop7h 00mUnited Airlines
Tue 21/106:14 a.m.PWM - YUL
1 stop11h 12mUnited Airlines
Deal found 14/9C$ 718
Tue 14/1011:23 a.m.YUL - PWM
1 stop7h 00mMultiple Airlines
Tue 21/106:00 a.m.PWM - YUL
1 stop7h 09mMultiple Airlines
Deal found 14/9C$ 734
Mon 29/910:38 a.m.YUL - PWM
1 stop9h 33mAmerican Airlines
Thu 2/107:05 a.m.PWM - YUL
1 stop26h 53mAmerican Airlines
Deal found 15/9C$ 752
Thu 30/107:00 a.m.YUL - PWM
1 stop6h 36mUnited Airlines
Thu 6/113:00 p.m.PWM - YUL
1 stop6h 42mUnited Airlines
Deal found 15/9C$ 760

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 16 September 2025.
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

Sat 18/10

10:30 a.m.-5:38 p.m.

1 stop7h 08m

Portland

Sat 25/10

5:46 a.m.-9:50 a.m.

2 stops28h 04m

C$ 622

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 14/10

12:59 p.m.-11:51 p.m.

2 stops10h 52m

Portland

Tue 21/10

6:00 a.m.-10:55 p.m.

2 stops16h 55m

C$ 642

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

7:50 a.m.-11:45 p.m.

2 stops15h 55m

Portland

Mon 6/10

5:21 p.m.-9:50 a.m.

2 stops16h 29m

C$ 717

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 14/10

11:23 a.m.-6:23 p.m.

1 stop7h 00m

Portland

Tue 21/10

6:14 a.m.-5:26 p.m.

1 stop11h 12m

C$ 718

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 14/10

11:23 a.m.-6:23 p.m.

1 stop7h 00m

Portland

Tue 21/10

6:00 a.m.-1:09 p.m.

1 stop7h 09m

C$ 734

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

10:38 a.m.-8:11 p.m.

1 stop9h 33m

Portland

Thu 2/10

7:05 a.m.-9:58 a.m.

1 stop26h 53m

C$ 752

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Fri 31/10

4:00 p.m.-4:27 p.m.

2 stops24h 27m

Portland

Fri 7/11

12:27 p.m.-12:15 p.m.

2 stops23h 48m

C$ 754

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Thu 30/10

7:00 a.m.-1:36 p.m.

1 stop6h 36m

Portland

Thu 6/11

3:00 p.m.-9:42 p.m.

1 stop6h 42m

C$ 760

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 14/10

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

1 stop6h 00m

Portland

Tue 21/10

4:48 p.m.-12:02 p.m.

1 stop19h 14m

C$ 764

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Fri 31/10

7:30 p.m.-11:20 a.m.

1 stop15h 50m

C$ 312

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 11 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’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 57% 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 7h 08m. American Airlines provides one of the quickest options available for as low as C$ 622. Montreal and Portland, Maine are separated by a distance of 340 km.

  • 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.

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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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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