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Cheap flights from Portland, ME to Montreal Pierre Elliott Trudeau Intl Airport from C$ 325

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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YUL
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portland to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

Cheapest flights from Portland to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Portland to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Thu 18/1211:58 a.m.PWM - YUL
1 stop26h 56mMultiple Airlines
Thu 1/15:25 p.m.YUL - PWM
2 stops15h 41mMultiple Airlines
Deal found 11/12C$ 1,062
Thu 18/1211:58 a.m.PWM - YUL
1 stop26h 56mMultiple Airlines
Mon 22/123:55 p.m.YUL - PWM
1 stop19h 23mMultiple Airlines
Deal found 9/12C$ 1,249
Tue 16/126:00 a.m.PWM - YUL
1 stop7h 28mMultiple Airlines
Wed 17/121:10 p.m.YUL - PWM
1 stop9h 59mMultiple Airlines
Deal found 10/12C$ 1,292
Mon 29/126:00 a.m.PWM - YUL
1 stop7h 28mAir Canada
Thu 1/17:00 a.m.YUL - PWM
1 stop11h 11mAir Canada
Deal found 10/12C$ 1,317
Mon 29/125:48 a.m.PWM - YUL
2 stops17h 10mAmerican Airlines
Thu 1/17:30 a.m.YUL - PWM
2 stops16h 15mAmerican Airlines
Deal found 10/12C$ 1,334
Mon 29/122:55 p.m.PWM - YUL
1 stop6h 47mUnited Airlines
Thu 1/16:00 a.m.YUL - PWM
2 stops17h 59mUnited Airlines
Deal found 10/12C$ 1,380
Tue 16/126:00 a.m.PWM - YUL
2 stops18h 43mWestJet
Wed 17/124:45 p.m.YUL - PWM
1 stop19h 28mWestJet
Deal found 10/12C$ 1,383
Sun 14/124:53 p.m.PWM - YUL
1 stop6h 39mWestJet
Tue 16/122:37 p.m.YUL - PWM
1 stop8h 44mWestJet
Deal found 10/12C$ 1,389
Thu 11/1212:53 p.m.PWM - YUL
1 stop23h 07mWestJet
Sat 13/126:00 a.m.YUL - PWM
1 stop6h 13mWestJet
Deal found 10/12C$ 1,397
Tue 16/122:13 p.m.PWM - YUL
2 stops7h 03mUnited Airlines
Wed 17/121:10 p.m.YUL - PWM
2 stops9h 59mUnited Airlines
Deal found 10/12C$ 1,415
Thu 18/122:14 p.m.PWM - YUL
1 stop5h 34mUnited Airlines
Thu 1/16:00 a.m.YUL - PWM
2 stops17h 59mUnited Airlines
Deal found 11/12C$ 1,460

Find flight deals from Portland to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Pierre Elliott Trudeau Intl (YUL). 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 12 December 2025.

Round-trip from

C$ 583

One-way from

C$ 325

Popular in

October

Cheapest in

March

Average price

C$ 622
25/1-1/2
  • 25/1-1/2
  • 2 total stops
  • 44h 25m total
  • Portland to Montreal
Search Deals
KLM
  • KLM
  • 21/1
  • 1 total stop
  • 14h 47m total
  • Portland to Montreal
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Pierre Elliott Trudeau Intl 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, Cheapflights users made 629,999 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from Portland to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Portland

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sun 25/1

11:01 a.m.-12:43 a.m.

2 stops37h 42m

Montreal Pierre Elliott Trudeau Intl

Sun 1/2

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

1 stop16h 32m

C$ 594

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sun 25/1

5:20 a.m.-10:59 p.m.

2 stops17h 39m

Montreal Pierre Elliott Trudeau Intl

Sun 1/2

7:30 a.m.-11:43 p.m.

2 stops16h 13m

C$ 685

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 23/1

5:20 a.m.-10:59 p.m.

2 stops17h 39m

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

7:30 a.m.-12:06 p.m.

2 stops28h 36m

C$ 701

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 19/2

5:31 a.m.-10:59 p.m.

2 stops17h 28m

Montreal Pierre Elliott Trudeau Intl

Sun 22/2

7:30 a.m.-11:43 p.m.

2 stops16h 13m

C$ 728

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 3/3

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

1 stop11h 00m

Montreal Pierre Elliott Trudeau Intl

Thu 5/3

1:10 p.m.-10:51 p.m.

1 stop9h 41m

C$ 793

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 23/1

9:47 a.m.-12:43 a.m.

2 stops14h 56m

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

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

1 stop16h 32m

C$ 829

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 22/1

5:20 a.m.-10:59 p.m.

2 stops17h 39m

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

12:59 p.m.-12:10 p.m.

1 stop23h 11m

C$ 923

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 3/3

5:31 a.m.-10:59 p.m.

2 stops41h 28m

Montreal Pierre Elliott Trudeau Intl

Thu 5/3

7:30 a.m.-11:51 p.m.

2 stops16h 21m

C$ 924

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 22/1

6:00 a.m.-1:22 p.m.

1 stop7h 22m

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

7:30 p.m.-11:22 p.m.

1 stop3h 52m

C$ 943

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Wed 21/1

5:57 p.m.-8:44 a.m.

1 stop14h 47m

C$ 325

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 13 results
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Best time to book a flight from Portland to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Montreal Pierre Elliott Trudeau Intl Airport

What is the cheapest month to book a flight from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, March is the cheapest month in which you can book a flight from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 126). Flying from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport in October is currently the most expensive (average of C$ 425). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Portland to Pierre Elliott Trudeau Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Montreal Pierre Elliott Trudeau Intl?

    Portland (PWM), located 4.7 km from the city centre, is the airport you fly out of when you book flights from Portland to Montreal Pierre Elliott Trudeau Intl. 0 airlines have flights from Portland to Montreal Pierre Elliott Trudeau Intl on a regular basis. Booking flights from Portland to Montreal Pierre Elliott Trudeau Intl should not be difficult; the airport handles an average of 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day.

  • How long is the flight from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport?

    For as low as C$ 685, American Airlines can have you in Montreal Pierre Elliott Trudeau Intl Airport from Portland, Maine in 17h 39m. Airlines will cover a distance of 340 km.

  • Can I find deals for flights from Portland to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on Portland to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Pierre Elliott Trudeau Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Pierre Elliott Trudeau Intl.

  • Can I find deals for business class flights from Portland to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from Portland to Pierre Elliott Trudeau Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 126). Flying from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport in October is currently the most expensive (average of C$ 425). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Dorval
Cornwall
Sherbrooke
Trois-Rivières
Brossard
Montebello
Boucherville
Longueuil
Drummondville
Magog
Saint-Jean-sur-Richelieu
Bromont
North Hatley
Louiseville

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Alternative routes for Portland to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Portland to Pierre Elliott Trudeau Intl?

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Why should you use Cheapflights to find cheap flight tickets from Portland to Pierre Elliott Trudeau Intl?

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Can Cheapflights find flights from Portland to Pierre Elliott Trudeau Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Portland to Pierre Elliott Trudeau Intl with no change fees.

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