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Cheap flights from Porto to Montreal Pierre Elliott Trudeau Intl Airport from C$ 361

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — YUL
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Porto to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

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

Fri 12/1211:00 a.m.OPO - YUL
1 stop14h 15mTAP AIR PORTUGAL
Mon 5/19:45 p.m.YUL - OPO
1 stop16h 15mTAP AIR PORTUGAL
Deal found 11/12C$ 914
Fri 12/129:55 p.m.OPO - YUL
1 stop26h 50mAzores Airlines
Mon 5/19:05 p.m.YUL - OPO
2 stops29h 50mAzores Airlines
Deal found 11/12C$ 1,061
Thu 11/1211:10 a.m.OPO - YUL
1 stop27h 25mMultiple Airlines
Thu 18/127:10 p.m.YUL - OPO
1 stop19h 00mMultiple Airlines
Deal found 10/12C$ 1,351

Find flight deals from Porto to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) 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$ 600

One-way from

C$ 361

Popular in

October

Cheapest in

May

Average price

C$ 946

Good one-way deal

C$ 455 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 26/1-4/2
  • 2 total stops
  • 45h 45m total
  • Porto to Montreal
Search Deals
American Airlines
  • American Airlines
  • 9/5
  • 2 total stops
  • 36h 50m total
  • Porto to Montreal
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a one-way flight from Porto to Montreal Pierre Elliott Trudeau Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto 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 Porto to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Porto

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

PortoMontreal

OPO - YUL

OPOYUL

Porto

Fri 23/1

12:25 p.m.-3:10 p.m.

1 stop31h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

4:45 p.m.-11:15 a.m.

1 stop13h 30m

C$ 618

PortoMontreal

OPO - YUL

OPOYUL

Porto

Mon 19/1

12:05 p.m.-3:10 p.m.

1 stop32h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

4:45 p.m.-11:10 a.m.

1 stop13h 25m

C$ 619

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 26/2

12:05 p.m.-2:55 p.m.

1 stop31h 50m

Montreal Pierre Elliott Trudeau Intl

Wed 4/3

4:55 p.m.-11:15 a.m.

1 stop13h 20m

C$ 627

PortoMontreal

OPO - YUL

OPOYUL

Porto

Wed 21/1

12:10 p.m.-3:10 p.m.

1 stop32h 00m

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

4:45 p.m.-11:10 a.m.

1 stop13h 25m

C$ 627

PortoMontreal

OPO - YUL

OPOYUL

Porto

Wed 11/3

5:00 a.m.-6:20 p.m.

1 stop17h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

6:50 p.m.-6:10 p.m.

1 stop18h 20m

C$ 648

PortoMontreal

OPO - YUL

OPOYUL

Porto

Wed 21/1

5:00 a.m.-5:20 p.m.

1 stop17h 20m

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

5:00 p.m.-1:20 p.m.

2 stops15h 20m

C$ 674

PortoMontreal

OPO - YUL

OPOYUL

Porto

Wed 25/2

5:00 a.m.-5:20 p.m.

1 stop17h 20m

Montreal Pierre Elliott Trudeau Intl

Fri 6/3

7:10 p.m.-3:25 p.m.

1 stop15h 15m

C$ 677

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 19/2

8:50 a.m.-5:00 p.m.

1 stop13h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 26/2

7:20 p.m.-7:05 a.m.

1 stop30h 45m

C$ 683

PortoMontreal

OPO - YUL

OPOYUL

Porto

Fri 27/2

6:00 a.m.-7:32 a.m.

2 stops30h 32m

Montreal Pierre Elliott Trudeau Intl

Tue 3/3

2:13 p.m.-9:30 a.m.

2 stops14h 17m

C$ 690

PortoMontreal

OPO - YUL

OPOYUL

Porto

Wed 18/2

6:00 a.m.-7:32 a.m.

2 stops30h 32m

Montreal Pierre Elliott Trudeau Intl

Thu 26/2

9:25 a.m.-9:30 a.m.

2 stops19h 05m

C$ 690

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 19 results
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Best time to book a flight from Porto to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Porto 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 Porto to Montreal Pierre Elliott Trudeau Intl Airport

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

Currently, May is the cheapest month in which you can book a flight from Porto to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 441). Flying from Porto to Montreal Pierre Elliott Trudeau Intl Airport in October is currently the most expensive (average of C$ 814). 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.

What is the cheapest time of day to fly from OPO to YUL?

Find hourly flight availability from Porto to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 1% on flights from Porto to Montreal Pierre Elliott Trudeau Intl Airport by exploring options for tickets in the evening.

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pierre Elliott Trudeau Intl. Reviews last updated 12 December 2025.
Read reviews from past customers who have flown Air Transat and Air Canada from Porto to Montreal Pierre Elliott Trudeau Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
480 reviews
Check prices

Food

6.8

Comfort

7.3

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
480 reviews
Air Transat
7.8
Good
480 reviews
Check prices

Food

6.8

Comfort

7.3

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
10,516 reviews
Air Transat
7.8
Good
480 reviews
Check prices

Food

6.8

Comfort

7.3

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

Related info for your journey

Find useful and relevant information for your journey from Porto 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 Porto to Montreal Pierre Elliott Trudeau Intl?

    Porto (OPO) is the airport you will fly out of if you book a flight from Porto to Montreal Pierre Elliott Trudeau Intl. You should not have trouble finding flights to Montreal Pierre Elliott Trudeau Intl from Porto; the airport handles an average of 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Porto airport to Montreal Pierre Elliott Trudeau Intl. It is only a 10.9 km journey to Porto (OPO) from Porto’s city centre.

  • How long is the flight from Porto to Montreal Pierre Elliott Trudeau Intl Airport?

    SWISS can get you from Porto to Montreal Pierre Elliott Trudeau Intl Airport in just under 31h 45m. Your travel time can differ by up to . The distance between Porto and Montreal Pierre Elliott Trudeau Intl Airport is about 5132 km.

  • What are the cheapest airlines flying from Porto to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Air Transat, at C$ 582, was found to be the cheapest airline from Porto to Montreal Pierre Elliott Trudeau Intl Airport. An alternate airline flying to your destination would be Air Canada. Air Transat is priced at 21% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is Azores Airlines, with whom users have recently found tickets for as low as C$ 344. However, be on the lookout for offers from Air Transat and TAP AIR PORTUGAL, as they are both options that can get you from Porto to Montreal Pierre Elliott Trudeau Intl Airport for a low price.

  • What are the cheapest flights from Porto to Montreal Pierre Elliott Trudeau Intl Airport?

    The cheapest flight price from Porto to Montreal Pierre Elliott Trudeau Intl Airport is C$ 418. On average you can expect to pay C$ 500. The most popular route, (Porto - Montreal Pierre Elliott Trudeau Intl), can usually be booked for C$ 607.

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

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

  • How can I find direct flights from Porto 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 Porto to Pierre Elliott Trudeau Intl.

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

    Yes. Cheapflights offers flight deals from Porto 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 Porto to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, May is the cheapest month in which you can book a flight from Porto to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 441). Flying from Porto to Montreal Pierre Elliott Trudeau Intl Airport in October is currently the most expensive (average of C$ 814). 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 Porto to Pierre Elliott Trudeau Intl

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

Top 2 airlines flying from Porto to Pierre Elliott Trudeau Intl

Discover the top 2 airlines that operate flights from Porto to Pierre Elliott Trudeau Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 582AverageC$ 669FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 594AverageC$ 718FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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How does Cheapflights help users find flights from Porto to Pierre Elliott Trudeau Intl?

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Need flexible booking options for your flight to Pierre Elliott Trudeau Intl from Porto? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Pierre Elliott Trudeau Intl from Porto today and book when prices fit your budget.

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