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Cheap flights from Porto to Montreal Pierre Elliott Trudeau Intl Airport from C$ 369

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — YUL
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap 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 11 September 2025.

Round-trip from

C$ 574

One-way from

C$ 369

Popular in

April

Cheapest in

May

Average price

C$ 736

Good round-trip deal

C$ 741 or less

Good one-way deal

C$ 585 or less
Air Canada
  • Air Canada
  • 29/1-8/2
  • 3 total stops
  • 44h 47m total
  • Porto to Montreal
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Air Transat
  • Air Transat
  • 23/9
  • Nonstop
  • 7h 15m total
  • Porto to Montreal
Search Deals
High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (C$ 21 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Porto to Montreal Pierre Elliott Trudeau Intl.
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Price to beat on a one-way flight from Porto to Montreal Pierre Elliott Trudeau Intl.
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Find flight deals from Porto to Pierre Elliott Trudeau Intl

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 11 September 2025.

Fri 19/98:40 a.m.OPO - YUL
Nonstop7h 15mAir Transat
Sat 27/97:25 p.m.YUL - OPO
Nonstop6h 20mAir Transat
Deal found 10/9C$ 567
Wed 17/98:25 a.m.OPO - YUL
Nonstop7h 15mAir Transat
Sat 27/97:25 p.m.YUL - OPO
Nonstop6h 20mAir Transat
Deal found 9/9C$ 590
Wed 17/98:25 a.m.OPO - YUL
Nonstop7h 15mAir Transat
Wed 24/96:45 a.m.YUL - OPO
1 stop24h 10mAir Transat
Deal found 9/9C$ 600
Thu 11/912:30 p.m.OPO - YUL
1 stop13h 40mTAP AIR PORTUGAL
Thu 18/910:45 p.m.YUL - OPO
1 stop16h 40mTAP AIR PORTUGAL
Deal found 10/9C$ 607
Tue 7/106:00 a.m.OPO - YUL
1 stop15h 00mMultiple Airlines
Thu 16/104:40 p.m.YUL - OPO
1 stop13h 45mMultiple Airlines
Deal found 10/9C$ 618
Tue 7/106:15 a.m.OPO - YUL
1 stop17h 35mAir Canada
Tue 14/104:40 p.m.YUL - OPO
1 stop13h 50mAir Canada
Deal found 10/9C$ 625
Wed 17/910:00 a.m.OPO - YUL
1 stop15h 45mTAP AIR PORTUGAL
Wed 24/910:45 p.m.YUL - OPO
1 stop11h 15mTAP AIR PORTUGAL
Deal found 9/9C$ 636
Tue 14/106:00 a.m.OPO - YUL
1 stop15h 15mLufthansa
Tue 21/105:50 p.m.YUL - OPO
1 stop16h 55mLufthansa
Deal found 10/9C$ 639
Tue 7/106:00 a.m.OPO - YUL
2 stops30h 25mUnited Airlines
Sat 18/108:30 a.m.YUL - OPO
2 stops20h 15mUnited Airlines
Deal found 10/9C$ 642
Fri 31/1012:35 p.m.OPO - YUL
1 stop13h 07mAir Canada
Sun 9/114:45 p.m.YUL - OPO
1 stop13h 25mAir Canada
Deal found 10/9C$ 643
Tue 7/106:15 a.m.OPO - YUL
1 stop17h 35mLufthansa
Wed 15/1010:50 p.m.YUL - OPO
1 stop19h 30mLufthansa
Deal found 10/9C$ 646

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 11 September 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

Thu 29/1

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

1 stop32h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

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

1 stop13h 25m

C$ 588

PortoMontreal

OPO - YUL

OPOYUL

Porto

Tue 17/2

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

1 stop24h 45m

Montreal Pierre Elliott Trudeau Intl

Fri 13/3

5:45 p.m.-11:10 a.m.

1 stop13h 25m

C$ 608

PortoMontreal

OPO - YUL

OPOYUL

Porto

Tue 14/10

6:00 a.m.-4:15 p.m.

1 stop15h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 22/10

10:50 p.m.-11:20 p.m.

1 stop19h 30m

C$ 625

PortoMontreal

OPO - YUL

OPOYUL

Porto

Wed 8/10

2:35 p.m.-1:50 p.m.

2 stops28h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 15/10

4:40 p.m.-6:30 p.m.

1 stop20h 50m

C$ 649

PortoMontreal

OPO - YUL

OPOYUL

Porto

Fri 31/10

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

2 stops29h 32m

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

8:30 a.m.-9:30 a.m.

2 stops20h 00m

C$ 654

PortoMontreal

OPO - YUL

OPOYUL

Porto

Tue 17/2

6:00 a.m.-8:22 a.m.

2 stops31h 22m

Montreal Pierre Elliott Trudeau Intl

Fri 13/3

6:55 p.m.-2:45 p.m.

1 stop15h 50m

C$ 654

PortoMontreal

OPO - YUL

OPOYUL

Porto

Mon 6/10

7:20 p.m.-1:50 p.m.

2 stops23h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 15/10

4:40 p.m.-6:30 p.m.

1 stop20h 50m

C$ 661

PortoMontreal

OPO - YUL

OPOYUL

Porto

Tue 7/10

6:15 a.m.-4:00 p.m.

2 stops14h 45m

Montreal Pierre Elliott Trudeau Intl

Thu 16/10

8:40 p.m.-11:20 p.m.

1 stop21h 40m

C$ 662

PortoMontreal

OPO - YUL

OPOYUL

Porto

Tue 7/10

6:00 a.m.-7:25 a.m.

2 stops30h 25m

Montreal Pierre Elliott Trudeau Intl

Tue 14/10

6:15 a.m.-9:45 a.m.

2 stops22h 30m

C$ 675

PortoMontreal

OPO - YUL

OPOYUL

Porto

Sat 1/11

6:00 a.m.-4:16 p.m.

2 stops38h 16m

Montreal Pierre Elliott Trudeau Intl

Sat 8/11

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

2 stops19h 05m

C$ 675

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 20 results
1
2

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, October is the cheapest month in which you can book a flight from Porto to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Porto 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.

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 11 September 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 2% on flights from Porto to Montreal Pierre Elliott Trudeau Intl Airport by exploring options for tickets at noon.

How much does it cost to fly round-trip from Porto to Montreal Pierre Elliott Trudeau Intl Airport?

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 11 September 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
7.7
Good
438 reviews
Check prices

Entertainment

7.0

Boarding

7.9

Comfort

7.3

Crew

8.4

Overall

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Transat
7.7
Good
438 reviews
Air Transat
7.7
Good
438 reviews
Check prices

Entertainment

7.0

Boarding

7.9

Comfort

7.3

Crew

8.4

Overall

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Canada
7.1
Good
10,000 reviews
Air Transat
7.7
Good
438 reviews
Check prices

Entertainment

7.0

Boarding

7.9

Comfort

7.3

Crew

8.4

Overall

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

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 1 outbound flight 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 and Lufthansa can get you from Porto to Montreal Pierre Elliott Trudeau Intl Airport in just under 15h 15m. Your travel time can differ by up to 16h 50m. The distance between Porto and Montreal Pierre Elliott Trudeau Intl Airport is about 5132 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Air Transat, at C$ 585, 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 14% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Porto to Montreal Pierre Elliott Trudeau Intl Airport?

    Before booking your flight to Montreal Pierre Elliott Trudeau Intl Airport from Porto, check out the most reliable airlines to get you to your destination on time: Air Transat (80%), Lufthansa (65%), Porter Airlines( 58%).

  • 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$ 367. On average you can expect to pay C$ 956. The most popular route, (Porto - Montreal Pierre Elliott Trudeau Intl), can usually be booked for C$ 567.

  • 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, October is the cheapest month in which you can book a flight from Porto to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Porto 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

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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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 585AverageC$ 684FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 597AverageC$ 663FlexibilityNo 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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Can Cheapflights find flights from Porto to Pierre Elliott Trudeau Intl with no change fees?

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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