Find flights
When to book
FAQs

Cheap flights from Montreal to Portland, ME from C$ 420

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — PWM
11 Oct — 18 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 11 September 2025.

Round-trip from

C$ 542

One-way from

C$ 420

Popular in

June

Cheapest in

September

Average price

C$ 557
American Airlines
  • American Airlines
  • 25/10-1/11
  • 3 total stops
  • 24h 17m total
  • Montreal to Portland
Search Deals
American Airlines
  • American Airlines
  • 17/9
  • 1 total stop
  • 9h 33m total
  • Montreal to Portland
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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 11 September 2025.

Sat 25/1010:30 a.m.YUL - PWM
1 stop7h 08mAmerican Airlines
Sat 1/115:46 a.m.PWM - YUL
2 stops17h 09mAmerican Airlines
Deal found 10/9C$ 542
Thu 23/107:50 a.m.YUL - PWM
2 stops16h 01mAmerican Airlines
Thu 30/101:05 p.m.PWM - YUL
1 stop20h 45mAmerican Airlines
Deal found 10/9C$ 560
Sun 26/104:35 p.m.YUL - PWM
1 stop16h 31mMultiple Airlines
Sun 2/113:15 p.m.PWM - YUL
2 stops25h 10mMultiple Airlines
Deal found 11/9C$ 632
Wed 24/97:50 a.m.YUL - PWM
2 stops15h 55mAmerican Airlines
Mon 29/92:02 p.m.PWM - YUL
2 stops19h 56mAmerican Airlines
Deal found 10/9C$ 671
Wed 17/910:38 a.m.YUL - PWM
1 stop25h 53mAmerican Airlines
Wed 24/97:05 a.m.PWM - YUL
1 stop26h 53mAmerican Airlines
Deal found 10/9C$ 680
Sun 26/1012:59 p.m.YUL - PWM
2 stops10h 52mAmerican Airlines
Sun 2/115:43 a.m.PWM - YUL
2 stops17h 15mAmerican Airlines
Deal found 11/9C$ 714
Mon 22/910:38 a.m.YUL - PWM
1 stop25h 53mAmerican Airlines
Fri 26/95:20 p.m.PWM - YUL
2 stops16h 26mAmerican Airlines
Deal found 10/9C$ 722

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 11 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 25/10

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

1 stop7h 08m

Portland

Sat 1/11

5:46 a.m.-10:55 p.m.

2 stops17h 09m

C$ 542

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Thu 23/10

7:50 a.m.-11:51 p.m.

2 stops16h 01m

Portland

Thu 30/10

1:05 p.m.-9:50 a.m.

1 stop20h 45m

C$ 560

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sun 26/10

4:35 p.m.-9:06 a.m.

1 stop16h 31m

Portland

Sun 2/11

3:15 p.m.-4:25 p.m.

2 stops25h 10m

C$ 632

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Fri 3/10

4:09 p.m.-4:39 p.m.

2 stops24h 30m

Portland

Mon 6/10

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

2 stops16h 29m

C$ 710

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Wed 24/9

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

2 stops15h 55m

Portland

Mon 29/9

1:02 p.m.-9:58 a.m.

1 stop20h 56m

C$ 715

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Thu 9/10

10:30 a.m.-8:14 p.m.

1 stop9h 44m

Portland

Thu 16/10

1:05 p.m.-9:50 a.m.

1 stop20h 45m

C$ 744

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Mon 22/9

10:38 a.m.-11:45 p.m.

2 stops13h 07m

Portland

Fri 26/9

12:27 p.m.-9:46 a.m.

2 stops21h 19m

C$ 751

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Wed 17/9

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

1 stop9h 33m

C$ 420

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sun 26/10

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

2 stops10h 52m

C$ 425

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 16/9

10:38 a.m.-12:31 p.m.

1 stop25h 53m

C$ 437

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 14 results
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.

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$ 710.

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$ 542. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Montreal to Portland?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Montreal to Portland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.