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.
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 |
Find flight deals from Montreal to Portland
Cheapest flights from Montreal to PortlandExplore 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.
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.
Cheapflights Fare Finder
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
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
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
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
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
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
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
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
MontrealPortland
YUL - PWM
YULPWM
Montreal Pierre Elliott Trudeau Intl
Wed 17/9
10:38 a.m.-8:11 p.m.
1 stop9h 33m
MontrealPortland
YUL - PWM
YULPWM
Montreal Pierre Elliott Trudeau Intl
Sun 26/10
12:59 p.m.-11:51 p.m.
2 stops10h 52m
MontrealPortland
YUL - PWM
YULPWM
Montreal Pierre Elliott Trudeau Intl
Tue 16/9
10:38 a.m.-12:31 p.m.
1 stop25h 53m
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.
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.
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Alternative routes for Montreal to Portland
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How does Cheapflights help users find flights from Montreal to Portland?
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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.