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Cheap flights from Montreal to Portland from C$ 358

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 18/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Montreal to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
9:28 a.m. - 7:29 p.m.
YUL
-
PWM
10h 01m
1 stop
Delta Logo
8:00 a.m. - 4:05 p.m.
PWM
-
YUL
8h 05m
1 stop
C$ 635Delta
Sat, 5 Dec - Tue, 8 Dec
American Airlines Logo
10:31 a.m. - 3:07 p.m.
YUL
-
PWM
28h 36m
1 stop
American Airlines Logo
1:30 p.m. - 9:46 a.m.
PWM
-
YUL
20h 16m
1 stop
C$ 668American Airlines
Fri, 21 Aug - Fri, 28 Aug
American Airlines Logo
10:30 a.m. - 12:35 p.m.
YUL
-
PWM
26h 05m
1 stop
American Airlines Logo
12:01 p.m. - 9:48 a.m.
PWM
-
YUL
21h 47m
1 stop
C$ 682American Airlines
Tue, 14 Jul - Tue, 21 Jul
United Airlines Logo
1:10 p.m. - 11:30 p.m.
YUL
-
PWM
10h 20m
1 stop
United Airlines Logo
6:00 a.m. - 6:20 p.m.
PWM
-
YUL
12h 20m
2 stops
C$ 700United Airlines
Tue, 7 Jul - Tue, 14 Jul
American Airlines Logo
10:30 a.m. - 10:18 a.m.
YUL
-
PWM
23h 48m
1 stop
American Airlines Logo
5:45 a.m. - 9:44 p.m.
PWM
-
YUL
15h 59m
2 stops
C$ 703American Airlines
Sat, 11 Jul - Sat, 18 Jul
American Airlines Logo
10:31 a.m. - 11:59 p.m.
YUL
-
PWM
13h 28m
2 stops
American Airlines Logo
9:52 a.m. - 9:46 a.m.
PWM
-
YUL
23h 54m
1 stop
C$ 717American Airlines
Fri, 21 Aug - Fri, 28 Aug
American Airlines Logo
10:31 a.m. - 3:07 p.m.
YUL
-
PWM
28h 36m
1 stop
American Airlines Logo
1:30 p.m. - 9:46 a.m.
PWM
-
YUL
20h 16m
1 stop
C$ 724American Airlines
Fri, 21 Aug - Fri, 28 Aug
United Airlines Logo
1:10 p.m. - 11:30 p.m.
YUL
-
PWM
10h 20m
1 stop
United Airlines Logo
6:00 a.m. - 5:24 p.m.
PWM
-
YUL
11h 24m
1 stop
C$ 725United Airlines
Sat, 11 Jul - Fri, 17 Jul
American Airlines Logo
10:31 a.m. - 3:07 p.m.
YUL
-
PWM
28h 36m
1 stop
American Airlines Logo
1:30 p.m. - 9:46 a.m.
PWM
-
YUL
20h 16m
1 stop
C$ 729American Airlines
Fri, 21 Aug - Fri, 28 Aug
American Airlines Logo
10:30 a.m. - 9:46 p.m.
YUL
-
PWM
11h 16m
2 stops
American Airlines Logo
1:25 p.m. - 9:48 a.m.
PWM
-
YUL
20h 23m
1 stop
C$ 731American Airlines
Sat, 11 Jul - Fri, 17 Jul

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United Airlines flights from Montreal to Portland, Maine

Our best United Airlines deals on Montreal to Portland, Maine flight tickets
United Airlines
7 Jul
YUL1:10 p.m.Montreal Pierre Elliott Trudeau Intl
10h 20m
1 stop
PWM11:30 p.m.Portland
14 Jul
PWM6:00 a.m.Portland
12h 20m
2 stops
YUL6:20 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 700
United Airlines
11 Jul
YUL1:10 p.m.Montreal Pierre Elliott Trudeau Intl
10h 20m
1 stop
PWM11:30 p.m.Portland
17 Jul
PWM6:00 a.m.Portland
11h 24m
1 stop
YUL5:24 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 725
United Airlines
11 Jul
YUL1:10 p.m.Montreal Pierre Elliott Trudeau Intl
10h 20m
1 stop
PWM11:30 p.m.Portland
18 Jul
PWM6:00 a.m.Portland
16h 06m
1 stop
YUL10:06 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 739

Delta flights from Montreal to Portland, Maine

Our best Delta deals on Montreal to Portland, Maine flight tickets
Delta
5 Dec
YUL9:28 a.m.Montreal Pierre Elliott Trudeau Intl
10h 01m
1 stop
PWM7:29 p.m.Portland
8 Dec
PWM8:00 a.m.Portland
8h 05m
1 stop
YUL4:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 635
Delta
5 Dec
YUL9:28 a.m.Montreal Pierre Elliott Trudeau Intl
10h 01m
1 stop
PWM7:29 p.m.Portland
8 Dec
PWM8:00 a.m.Portland
8h 05m
1 stop
YUL4:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 776

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 18 June 2026.
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

Cheapest round-trip
Quickest round-trip

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sat 5/12

9:28 a.m.-7:29 p.m.

1 stop10h 01m

Portland

Tue 8/12

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

1 stop8h 05m

C$ 635

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$ 668

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 14/7

10:30 a.m.-12:35 p.m.

1 stop26h 05m

Portland

Tue 21/7

12:01 p.m.-9:48 a.m.

1 stop21h 47m

C$ 682

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 7/7

1:10 p.m.-11:30 p.m.

1 stop10h 20m

Portland

Tue 14/7

6:00 a.m.-6:20 p.m.

2 stops12h 20m

C$ 700

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sat 11/7

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

1 stop23h 48m

Portland

Sat 18/7

5:45 a.m.-9:44 p.m.

2 stops15h 59m

C$ 703

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Fri 21/8

10:31 a.m.-11:59 p.m.

2 stops13h 28m

Portland

Fri 28/8

9:52 a.m.-9:46 a.m.

1 stop23h 54m

C$ 717

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$ 724

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sat 11/7

1:10 p.m.-11:30 p.m.

1 stop10h 20m

Portland

Fri 17/7

6:00 a.m.-5:24 p.m.

1 stop11h 24m

C$ 725

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$ 729

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sat 11/7

10:30 a.m.-9:46 p.m.

2 stops11h 16m

Portland

Fri 17/7

1:25 p.m.-9:48 a.m.

1 stop20h 23m

C$ 731

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 airline that flies from Montreal to Portland?

Delta and United Airlines are the most popular carriers operating from Montreal to Portland

Which airlines fly to Portland, Maine?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Portland, Maine from Montreal according to our data. Air Canada is the first choice among our users, with 76% of people opting to fly with this airline when travelling to Portland, Maine. Keep in mind that there are 3 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

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

Fastest flight time

10h 01m

Direct flights

None
The fastest flight from Montreal to Portland, Maine takes 10h 01m
There are no direct flights from Montreal to Portland, Maine. There are no popular flight routes from Montreal to Portland, Maine.
Search flight deals

Frequently asked questions about flying from Montreal to Portland, Maine

  • 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 10h 01m.

  • 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
Freeport
North Conway
Brunswick
Bartlett
Boothbay Harbor
Gorham
Lewiston
Jackson

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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