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Cheap flights from Montreal to Portland, ME from C$ 408

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — PWM
3 Jan — 10 Jan1
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 4 December 2025.

Tue 9/122:37 p.m.YUL - PWM
1 stop8h 44mDelta
Tue 16/126:00 a.m.PWM - YUL
1 stop7h 47mDelta
Deal found 2/12C$ 871
Wed 24/127:00 a.m.YUL - PWM
1 stop6h 39mUnited Airlines
Wed 31/122:55 p.m.PWM - YUL
1 stop6h 47mUnited Airlines
Deal found 3/12C$ 928
Tue 9/126:45 a.m.YUL - PWM
2 stops9h 18mWestJet
Tue 16/126:00 a.m.PWM - YUL
1 stop7h 47mWestJet
Deal found 2/12C$ 1,009
Wed 24/124:00 p.m.YUL - PWM
2 stops7h 22mAir Canada
Wed 31/122:55 p.m.PWM - YUL
1 stop6h 47mAir Canada
Deal found 3/12C$ 1,013
Sun 14/128:05 a.m.YUL - PWM
1 stop5h 33mMultiple Airlines
Tue 16/126:00 a.m.PWM - YUL
1 stop7h 28mMultiple Airlines
Deal found 2/12C$ 1,020
Sun 14/128:05 a.m.YUL - PWM
1 stop5h 33mUnited Airlines
Tue 16/126:00 a.m.PWM - YUL
2 stops9h 57mUnited Airlines
Deal found 2/12C$ 1,083
Tue 9/123:35 p.m.YUL - PWM
2 stops7h 34mAir Canada
Tue 16/126:00 a.m.PWM - YUL
2 stops8h 22mAir Canada
Deal found 2/12C$ 1,150
Sun 14/126:45 a.m.YUL - PWM
2 stops16h 36mWestJet
Tue 16/126:00 a.m.PWM - YUL
2 stops18h 43mWestJet
Deal found 2/12C$ 1,153

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 4 December 2025.

Round-trip from

C$ 583

One-way from

C$ 408

Popular in

June

Cheapest in

February

Average price

C$ 770
Delta
  • Delta
  • 14/1-18/1
  • 2 total stops
  • 22h 29m total
  • Montreal to Portland
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Delta
  • Delta
  • 17/1
  • 1 total stop
  • 20h 55m total
  • Montreal to Portland
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 4 December 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

Wed 14/1

9:34 a.m.-5:16 p.m.

1 stop7h 42m

Portland

Sun 18/1

5:57 p.m.-8:44 a.m.

1 stop14h 47m

C$ 583

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sat 17/1

12:59 p.m.-12:06 p.m.

2 stops23h 07m

Portland

Sat 24/1

5:30 a.m.-12:24 p.m.

2 stops30h 54m

C$ 628

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

2:15 p.m.-11:22 p.m.

1 stop9h 07m

Portland

Sat 31/1

6:00 a.m.-1:31 p.m.

1 stop7h 31m

C$ 629

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sat 17/1

3:00 p.m.-11:30 p.m.

1 stop8h 30m

Portland

Sat 24/1

6:00 a.m.-5:05 p.m.

1 stop11h 05m

C$ 689

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

6:00 a.m.-2:39 p.m.

1 stop8h 39m

Portland

Sun 18/1

4:10 p.m.-2:11 p.m.

2 stops22h 01m

C$ 762

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

1:15 p.m.-11:30 p.m.

2 stops10h 15m

Portland

Sun 18/1

6:00 a.m.-1:28 p.m.

1 stop7h 28m

C$ 847

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sat 17/1

2:25 p.m.-11:20 a.m.

1 stop20h 55m

C$ 408

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sat 17/1

6:00 a.m.-6:54 p.m.

2 stops12h 54m

C$ 470

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

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$ 233). Flying from Montreal to Portland, Maine in January is currently the most expensive (average of C$ 417). 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$ 715.

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 42m. Delta provides one of the quickest options available for as low as C$ 583. 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$ 233). Flying from Montreal to Portland, Maine in January is currently the most expensive (average of C$ 417). 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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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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