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Cheap flights from Montreal to Portland from C$ 311

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Portland departing on 31/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

American Airlines Logo
12:59 p.m. - 11:51 p.m.YUL-PWM
10h 52m2 stops
American Airlines Logo
6:00 a.m. - 10:55 p.m.PWM-YUL
16h 55m2 stops
C$ 640American Airlines
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Multiple Airlines Logo
3:00 p.m. - 11:17 p.m.YUL-PWM
8h 17m1 stop
Multiple Airlines Logo
6:00 a.m. - 1:28 p.m.PWM-YUL
7h 28m1 stop
C$ 678Multiple Airlines
Find Deal
Fri, 31 Oct - Fri, 7 Nov
American Airlines Logo
7:50 a.m. - 11:45 p.m.YUL-PWM
15h 55m2 stops
American Airlines Logo
5:21 p.m. - 9:50 a.m.PWM-YUL
16h 29m2 stops
C$ 714American Airlines
Find Deal
Mon, 29 Sep - Mon, 6 Oct
American Airlines Logo
10:38 a.m. - 8:11 p.m.YUL-PWM
9h 33m1 stop
American Airlines Logo
7:05 a.m. - 9:58 a.m.PWM-YUL
26h 53m1 stop
C$ 748American Airlines
Find Deal
Mon, 29 Sep - Thu, 2 Oct
American Airlines Logo
4:00 p.m. - 4:27 p.m.YUL-PWM
24h 27m2 stops
American Airlines Logo
12:27 p.m. - 12:15 p.m.PWM-YUL
23h 48m2 stops
C$ 751American Airlines
Find Deal
Fri, 31 Oct - Fri, 7 Nov
United Airlines Logo
7:00 a.m. - 1:36 p.m.YUL-PWM
6h 36m1 stop
United Airlines Logo
3:00 p.m. - 9:42 p.m.PWM-YUL
6h 42m1 stop
C$ 757United Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov
WestJet Logo
6:00 a.m. - 12:00 p.m.YUL-PWM
6h 00m1 stop
WestJet Logo
4:48 p.m. - 12:02 p.m.PWM-YUL
19h 14m1 stop
C$ 761WestJet
Find Deal
Tue, 14 Oct - Tue, 21 Oct
WestJet Logo
6:45 a.m. - 11:09 p.m.YUL-PWM
16h 24m2 stops
WestJet Logo
4:48 p.m. - 3:49 p.m.PWM-YUL
23h 01m1 stop
C$ 770WestJet
Find Deal
Tue, 14 Oct - Tue, 21 Oct
United Airlines Logo
8:00 p.m. - 1:36 p.m.YUL-PWM
17h 36m2 stops
United Airlines Logo
3:00 p.m. - 9:42 p.m.PWM-YUL
6h 42m1 stop
C$ 791United Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Multiple Airlines Logo
6:00 a.m. - 11:13 p.m.YUL-PWM
17h 13m1 stop
Multiple Airlines Logo
8:00 a.m. - 1:09 p.m.PWM-YUL
5h 09m1 stop
C$ 854Multiple Airlines
Find Deal
Mon, 29 Sep - Mon, 6 Oct

United Airlines flights from Montreal to Portland, Maine

Our best United Airlines deals on Montreal to Portland, Maine flight tickets
United Airlines
30 Oct
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
6h 36m
1 stop
PWM1:36 p.m.Portland
6 Nov
PWM3:00 p.m.Portland
6h 42m
1 stop
YUL9:42 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 757
Find similar
United Airlines
30 Oct
YUL8:00 p.m.Montreal Pierre Elliott Trudeau Intl
17h 36m
2 stops
PWM1:36 p.m.Portland
6 Nov
PWM3:00 p.m.Portland
6h 42m
1 stop
YUL9:42 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 791
Find similar
United Airlines
20 Sep
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
5h 10m
1 stop
PWM2:25 p.m.Portland
20 Sep
PWM6:23 p.m.Portland
16h 17m
1 stop
YUL10:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,179
Find similar

American Airlines flights from Montreal to Portland, Maine

Our best American Airlines deals on Montreal to Portland, Maine flight tickets
American Airlines
14 Oct
YUL12:59 p.m.Montreal Pierre Elliott Trudeau Intl
10h 52m
2 stops
PWM11:51 p.m.Portland
21 Oct
PWM6:00 a.m.Portland
16h 55m
2 stops
YUL10:55 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 640
Find similar
American Airlines
29 Sep
YUL7:50 a.m.Montreal Pierre Elliott Trudeau Intl
15h 55m
2 stops
PWM11:45 p.m.Portland
6 Oct
PWM5:21 p.m.Portland
16h 29m
2 stops
YUL9:50 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 714
Find similar
American Airlines
29 Sep
YUL10:38 a.m.Montreal Pierre Elliott Trudeau Intl
9h 33m
1 stop
PWM8:11 p.m.Portland
2 Oct
PWM7:05 a.m.Portland
26h 53m
1 stop
YUL9:58 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 748
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal to Portland, Maine 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, momondo users made 96,600 searches. Data last updated 17 September 2025.
Use the filters below to find and compare flights from Montreal to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

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

C$ 640

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Fri 31/10

3:00 p.m.-11:17 p.m.

1 stop8h 17m

Portland

Fri 7/11

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

1 stop7h 28m

C$ 678

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

C$ 714

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

C$ 748

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

C$ 751

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

C$ 757

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

C$ 761

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 14/10

6:45 a.m.-11:09 p.m.

2 stops16h 24m

Portland

Tue 21/10

4:48 p.m.-3:49 p.m.

1 stop23h 01m

C$ 770

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Thu 30/10

8:00 p.m.-1:36 p.m.

2 stops17h 36m

Portland

Thu 6/11

3:00 p.m.-9:42 p.m.

1 stop6h 42m

C$ 791

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

6:00 a.m.-11:13 p.m.

1 stop17h 13m

Portland

Mon 6/10

8:00 a.m.-1:09 p.m.

1 stop5h 09m

C$ 854

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Montreal to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Portland, Maine?

The cheapest day to depart on your flight to Portland, Maine is on a Sunday when prices can be found for as low as C$ 778. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 962. These prices are subject to change though, so be sure to set up a Price Alert for flights to Portland, Maine.

When to book flights from Montreal to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal to Portland, Maine (YMQ to PWM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Portland, Maine

Direct flights

None
There are no direct flights from Montreal to Portland, Maine. There are no popular flight routes from Montreal to Portland, Maine.
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  • How far is Montreal to Portland by plane?

    The distance between Montreal and Portland is about 332.0 km. By plane, this route typically takes 6h 00m.

  • When did momondo last update prices for flights from Montreal to Portland Airport?

    Prices for flights from Montreal to Portland Airport are updated daily.

  • How old do you have to be to fly from Montreal to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Jackson
Auburn
Bartlett
Freeport
Boothbay Harbor
Gorham
Lewiston
Brunswick

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Portland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Montreal to Portland. momondo saves you time and could save you money on your trip.

Can I find flights from Montreal to Portland with flexible booking policies on momondo?

Yes. All flights to Portland from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Montreal to Portland?

momondo provides multiple filters to help you find the best flight to Portland from Montreal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Montreal to Portland right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Portland from Montreal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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