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Cheap flights from Montreal to Portland, ME from C$ 358

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — PWM
26 Jul — 2 Aug1
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 26 June 2026.

Fri 21/810:31 a.m.
YUL
-
PWM
1 stop28h 36m
American Airlines
Fri 28/81:30 p.m.
PWM
-
YUL
1 stop20h 16m
American Airlines
Deal found 22/6C$ 685
Sat 5/129:28 a.m.
YUL
-
PWM
1 stop10h 01m
Delta
Tue 8/128:00 a.m.
PWM
-
YUL
1 stop8h 05m
Delta
Deal found 22/6C$ 698
Wed 19/83:25 p.m.
YUL
-
PWM
1 stop8h 07m
United Airlines
Wed 26/86:53 p.m.
PWM
-
YUL
1 stop12h 45m
United Airlines
Deal found 21/6C$ 701
Wed 19/810:31 a.m.
YUL
-
PWM
2 stops13h 28m
American Airlines
Wed 26/85:13 p.m.
PWM
-
YUL
2 stops16h 33m
American Airlines
Deal found 21/6C$ 718
Tue 21/72:29 p.m.
YUL
-
PWM
1 stop9h 01m
Delta
Tue 28/75:30 p.m.
PWM
-
YUL
1 stop15h 09m
Delta
Deal found 23/6C$ 732
Sat 1/810:30 a.m.
YUL
-
PWM
1 stop23h 48m
American Airlines
Sat 8/83:57 p.m.
PWM
-
YUL
1 stop17h 49m
American Airlines
Deal found 22/6C$ 765

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 26 June 2026.

Round-trip from

C$ 685

One-way from

C$ 358
American Airlines
  • American Airlines
  • 21/8-28/8
  • 2 total stops
  • 48h 52m total
  • Montreal to Portland
Search Deals
Delta
  • Delta
  • 22/9
  • 1 total stop
  • 8h 52m 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 26 June 2026.
Use the filters below to find and compare flights from Montreal to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Fri 21/8

10:31 a.m.-3:07 p.m.

1 stop28h 36m

Portland

Fri 28/8

1:30 p.m.-9:46 a.m.

1 stop20h 16m

C$ 697

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sat 5/12

6:00 a.m.-7:29 p.m.

2 stops13h 29m

Portland

Tue 8/12

8:00 a.m.-4:05 p.m.

1 stop8h 05m

C$ 698

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Wed 19/8

3:25 p.m.-11:32 p.m.

1 stop8h 07m

Portland

Wed 26/8

6:53 p.m.-7:38 a.m.

1 stop12h 45m

C$ 701

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 21/7

2:29 p.m.-11:30 p.m.

1 stop9h 01m

Portland

Tue 28/7

5:30 p.m.-8:39 a.m.

1 stop15h 09m

C$ 732

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sat 1/8

10:30 a.m.-10:18 a.m.

1 stop23h 48m

Portland

Sat 8/8

2:54 p.m.-9:46 a.m.

2 stops18h 52m

C$ 779
Quickest round-trip

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sat 5/12

8:05 a.m.-4:09 p.m.

1 stop8h 04m

Portland

Tue 8/12

6:00 a.m.-1:10 p.m.

1 stop7h 10m

C$ 806
Cheapest one-way
Quickest one-way

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 22/9

2:25 p.m.-11:17 p.m.

1 stop8h 52m

C$ 358

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 21/7

2:29 p.m.-11:30 p.m.

1 stop9h 01m

C$ 373

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sat 8/8

10:31 a.m.-9:21 a.m.

1 stop22h 50m

C$ 395

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sat 3/10

10:30 a.m.-3:41 p.m.

1 stop29h 11m

C$ 401

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/6

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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.

Detroit (DTW) – chosen by Cheapflights users on 50% 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.

Detroit (DTW) is the most affordable 1-stop option, with an average round-trip price of C$ 1,128.

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 New York (LGA) have the shortest average one-way travel time for 1-stop routes: 5h 02m.

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 New York (LGA) offer the fastest connection on this route, with an average layover time of 1h 29m.

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 8h 07m. American Airlines provides one of the quickest options available for as low as C$ 701. 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.

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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Why should you use Cheapflights to find cheap flight tickets from Montreal to Portland?

Millions of users choose and trust Cheapflights to book the best flight deals from Montreal to Portland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Montreal to Portland with no change fees?

Yes! Cheapflights helps users easily find flights from Montreal to Portland with no change fees.

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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