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Cheap flights from Montreal to Boston from C$ 393

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 Boston departing on 31/1. 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

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Cheap round-trip flights

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Multiple Airlines Logo
6:45 a.m. - 10:17 a.m.
YUL
-
PWM
27h 32m2 stops
Multiple Airlines Logo
9:47 a.m. - 12:30 a.m.
PWM
-
YUL
14h 43m1 stop
C$ 575Multiple Airlines
Tue, 10 Mar - Mon, 30 Mar
Multiple Airlines Logo
4:35 p.m. - 9:07 a.m.
YUL
-
PWM
16h 32m1 stop
Multiple Airlines Logo
6:14 p.m. - 2:59 p.m.
PWM
-
YUL
20h 45m1 stop
C$ 580Multiple Airlines
Sun, 15 Feb - Tue, 10 Mar
Delta Logo
12:52 p.m. - 1:43 p.m.
YUL
-
PWM
24h 51m2 stops
Delta Logo
2:30 p.m. - 3:55 p.m.
PWM
-
YUL
25h 25m2 stops
C$ 584Delta
Wed, 4 Mar - Mon, 30 Mar
Multiple Airlines Logo
4:35 p.m. - 10:17 a.m.
YUL
-
PWM
17h 42m1 stop
Multiple Airlines Logo
9:47 a.m. - 12:30 a.m.
PWM
-
YUL
14h 43m1 stop
C$ 586Multiple Airlines
Tue, 10 Mar - Mon, 30 Mar
Multiple Airlines Logo
6:45 a.m. - 10:17 a.m.
YUL
-
PWM
27h 32m2 stops
Multiple Airlines Logo
6:14 p.m. - 2:59 p.m.
PWM
-
YUL
20h 45m1 stop
C$ 587Multiple Airlines
Tue, 10 Mar - Tue, 31 Mar
Multiple Airlines Logo
4:35 p.m. - 10:17 a.m.
YUL
-
PWM
17h 42m1 stop
Multiple Airlines Logo
6:14 p.m. - 2:59 p.m.
PWM
-
YUL
20h 45m1 stop
C$ 599Multiple Airlines
Tue, 10 Mar - Tue, 31 Mar
Multiple Airlines Logo
3:55 p.m. - 10:21 a.m.
YUL
-
PWM
18h 26m1 stop
Multiple Airlines Logo
6:14 p.m. - 2:59 p.m.
PWM
-
YUL
20h 45m1 stop
C$ 601Multiple Airlines
Wed, 11 Feb - Tue, 10 Mar
Delta Logo
9:34 a.m. - 11:22 p.m.
YUL
-
PWM
13h 48m1 stop
Delta Logo
5:59 p.m. - 8:37 a.m.
PWM
-
YUL
14h 38m1 stop
C$ 605Delta
Wed, 11 Feb - Wed, 4 Mar
Multiple Airlines Logo
4:35 p.m. - 9:07 a.m.
YUL
-
PWM
16h 32m1 stop
Multiple Airlines Logo
9:47 a.m. - 12:30 a.m.
PWM
-
YUL
14h 43m1 stop
C$ 609Multiple Airlines
Sun, 8 Mar - Mon, 30 Mar
Multiple Airlines Logo
8:00 a.m. - 9:07 a.m.
YUL
-
PWM
25h 07m2 stops
Multiple Airlines Logo
6:14 p.m. - 2:59 p.m.
PWM
-
YUL
20h 45m1 stop
C$ 616Multiple Airlines
Thu, 12 Feb - Tue, 10 Mar

Delta flights from Montreal to Portland, Maine

Our best Delta deals on Montreal to Portland, Maine flight tickets
Delta
4 Mar
YUL12:52 p.m.Montreal Pierre Elliott Trudeau Intl
24h 51m
2 stops
PWM1:43 p.m.Portland
30 Mar
PWM2:30 p.m.Portland
25h 25m
2 stops
YUL3:55 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 584
Find similar
Delta
11 Feb
YUL9:34 a.m.Montreal Pierre Elliott Trudeau Intl
13h 48m
1 stop
PWM11:22 p.m.Portland
4 Mar
PWM5:59 p.m.Portland
14h 38m
1 stop
YUL8:37 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 605
Find similar
Delta
4 Mar
YUL2:29 p.m.Montreal Pierre Elliott Trudeau Intl
20h 49m
1 stop
PWM11:18 a.m.Portland
26 Mar
PWM6:03 a.m.Portland
26h 27m
1 stop
YUL8:30 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 620
Find similar

American Airlines flights from Montreal to Portland, Maine

Our best American Airlines deals on Montreal to Portland, Maine flight tickets
American Airlines
29 Jan
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
28h 36m
2 stops
PWM12:06 p.m.Portland
5 Feb
PWM5:20 a.m.Portland
17h 39m
2 stops
YUL10:59 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 639
Find similar
American Airlines
12 Jan
YUL12:59 p.m.Montreal Pierre Elliott Trudeau Intl
10h 44m
2 stops
PWM11:43 p.m.Portland
19 Jan
PWM5:20 a.m.Portland
17h 39m
2 stops
YUL10:59 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 681
Find similar
American Airlines
31 Jan
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
40h 13m
2 stops
PWM11:43 p.m.Portland
7 Feb
PWM12:46 p.m.Portland
23h 38m
2 stops
YUL12:24 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 705
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 18 December 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 10/3

6:45 a.m.-10:17 a.m.

2 stops27h 32m

Portland

Mon 30/3

9:47 a.m.-12:30 a.m.

1 stop14h 43m

C$ 575

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

4:35 p.m.-9:07 a.m.

1 stop16h 32m

Portland

Tue 10/3

6:14 p.m.-2:59 p.m.

1 stop20h 45m

C$ 580

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Wed 4/3

12:52 p.m.-1:43 p.m.

2 stops24h 51m

Portland

Mon 30/3

2:30 p.m.-3:55 p.m.

2 stops25h 25m

C$ 584

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

4:35 p.m.-10:17 a.m.

1 stop17h 42m

Portland

Mon 30/3

9:47 a.m.-12:30 a.m.

1 stop14h 43m

C$ 586

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

6:45 a.m.-10:17 a.m.

2 stops27h 32m

Portland

Tue 31/3

6:14 p.m.-2:59 p.m.

1 stop20h 45m

C$ 587

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

4:35 p.m.-10:17 a.m.

1 stop17h 42m

Portland

Tue 31/3

6:14 p.m.-2:59 p.m.

1 stop20h 45m

C$ 599

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

3:55 p.m.-10:21 a.m.

1 stop18h 26m

Portland

Tue 10/3

6:14 p.m.-2:59 p.m.

1 stop20h 45m

C$ 601

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

9:34 a.m.-11:22 p.m.

1 stop13h 48m

Portland

Wed 4/3

5:59 p.m.-8:37 a.m.

1 stop14h 38m

C$ 605

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

4:35 p.m.-9:07 a.m.

1 stop16h 32m

Portland

Mon 30/3

9:47 a.m.-12:30 a.m.

1 stop14h 43m

C$ 609

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Thu 12/2

8:00 a.m.-9:07 a.m.

2 stops25h 07m

Portland

Tue 10/3

6:14 p.m.-2:59 p.m.

1 stop20h 45m

C$ 616

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Boston 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$ 780. 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$ 963. 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

Fastest flight time

6h 39m

Direct flights

None
The fastest flight from Montreal to Portland, Maine takes 6h 39m
There are no direct flights from Montreal to Portland, Maine. There are no popular flight routes from Montreal to Portland, Maine.
Search flight deals

  • 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 39m.

  • 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 Boston?

Book flights to Boston if you plan to visit one of these locations
North Conway
Freeport
Auburn
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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