Find flights
When to book
FAQs

Cheap flights from Portland, ME to Montreal Pierre Elliott Trudeau Intl Airport from C$ 391

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YUL
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap 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 11 September 2025.

Round-trip from

C$ 522

One-way from

C$ 391
Delta
  • Delta
  • 17/10-25/10
  • 2 total stops
  • 47h 19m total
  • Portland to Montreal
Search Deals
American Airlines
  • American Airlines
  • 12/10
  • 2 total stops
  • 16h 55m total
  • Portland to Montreal
Search Deals

Find flight deals from Portland to Pierre Elliott Trudeau Intl

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 11 September 2025.

Fri 17/105:42 a.m.PWM - YUL
1 stop26h 55mDelta
Sat 25/102:25 p.m.YUL - PWM
1 stop20h 24mDelta
Deal found 10/9C$ 522
Sat 25/108:50 a.m.PWM - YUL
1 stop25h 00mAmerican Airlines
Sat 1/117:50 a.m.YUL - PWM
2 stops13h 31mAmerican Airlines
Deal found 9/9C$ 608
Wed 29/101:05 p.m.PWM - YUL
1 stop20h 45mAmerican Airlines
Wed 5/117:30 a.m.YUL - PWM
2 stops16h 29mAmerican Airlines
Deal found 11/9C$ 621
Wed 29/105:42 a.m.PWM - YUL
1 stop7h 53mDelta
Wed 5/112:25 p.m.YUL - PWM
1 stop8h 44mDelta
Deal found 11/9C$ 657
Sun 26/105:40 p.m.PWM - YUL
2 stops28h 30mMultiple Airlines
Sun 2/114:35 p.m.YUL - PWM
1 stop16h 31mMultiple Airlines
Deal found 11/9C$ 668
Fri 10/101:05 p.m.PWM - YUL
1 stop20h 45mAmerican Airlines
Fri 17/1010:30 a.m.YUL - PWM
1 stop31h 08mAmerican Airlines
Deal found 10/9C$ 703
Fri 17/1012:34 p.m.PWM - YUL
2 stops21h 16mAmerican Airlines
Sat 25/104:00 p.m.YUL - PWM
2 stops24h 41mAmerican Airlines
Deal found 10/9C$ 711
Fri 26/92:02 p.m.PWM - YUL
2 stops19h 44mAmerican Airlines
Mon 29/910:38 a.m.YUL - PWM
1 stop25h 53mAmerican Airlines
Deal found 10/9C$ 723

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 11 September 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

Fri 17/10

5:42 a.m.-8:37 a.m.

1 stop26h 55m

Montreal Pierre Elliott Trudeau Intl

Sat 25/10

6:00 a.m.-12:05 a.m.

2 stops18h 05m

C$ 522

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sat 25/10

8:50 a.m.-9:50 a.m.

1 stop25h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

7:50 a.m.-9:21 p.m.

2 stops13h 31m

C$ 608

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Wed 29/10

1:05 p.m.-9:50 a.m.

1 stop20h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 5/11

7:30 a.m.-11:59 p.m.

2 stops16h 29m

C$ 621

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Wed 29/10

5:42 a.m.-1:35 p.m.

1 stop7h 53m

Montreal Pierre Elliott Trudeau Intl

Wed 5/11

2:25 p.m.-11:09 p.m.

1 stop8h 44m

C$ 657

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sun 26/10

5:40 p.m.-10:10 p.m.

2 stops28h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 2/11

4:35 p.m.-9:06 a.m.

1 stop16h 31m

C$ 668

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 10/10

1:05 p.m.-9:50 a.m.

1 stop20h 45m

Montreal Pierre Elliott Trudeau Intl

Fri 17/10

4:00 p.m.-4:27 p.m.

2 stops24h 27m

C$ 714

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 26/9

2:02 p.m.-9:46 a.m.

2 stops19h 44m

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

10:38 a.m.-12:31 p.m.

1 stop25h 53m

C$ 723

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sun 12/10

6:00 a.m.-10:55 p.m.

2 stops16h 55m

C$ 391

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sun 12/10

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

1 stop5h 09m

C$ 452

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 16/9

5:20 p.m.-9:58 a.m.

2 stops16h 38m

C$ 455

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 12 results
1
2

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, October is the cheapest month in which you can book a flight from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 317). 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$ 608, Delta can have you in Montreal Pierre Elliott Trudeau Intl Airport from Portland, Maine in 25h. Airlines will cover a distance of 340 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    One-way options have recently been found by users for as low as C$ 391 on American Airlines. Other airlines that offer cheap prices include United Airlines from C$ 452 and WestJet from C$ 553 one-way.

  • 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, October is the cheapest month in which you can book a flight from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Portland, Maine to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 317). 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
Sherbrooke
Cornwall
Brossard
Longueuil
Montebello
Trois-Rivières
Drummondville
Saint-Jean-sur-Richelieu
Boucherville
Bromont
North Hatley
Louiseville

Browse 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 Portland to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Pierre Elliott Trudeau Intl flights
Bangor to Pierre Elliott Trudeau Intl flights
Bar Harbor to Pierre Elliott Trudeau Intl flights

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 Portland to Pierre Elliott Trudeau Intl?

Deals for Portland to Pierre Elliott Trudeau Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Portland to Pierre Elliott Trudeau Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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.

Can Cheapflights notify me if prices for flights from Portland to Pierre Elliott Trudeau Intl become cheaper?

Of course! You can now track prices for flights from Portland to Pierre Elliott Trudeau Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.