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.
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 |
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 16 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 16 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 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
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
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
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
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
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
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
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
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
MontrealPortland
YUL - PWM
YULPWM
Montreal Pierre Elliott Trudeau Intl
Fri 31/10
7:30 p.m.-11:20 a.m.
1 stop15h 50m
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$ 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.
Travelling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsBrowse 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.
Alternative routes for Montreal to Portland
See prices for flight routes from nearby airports that may be better suited for you.
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.