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$285+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Porto (OPO)

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — OPO
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Porto are usually found in November or February, booked 27 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from Pierre Elliott Trudeau Intl to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Porto (OPO). 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 septiembre 11, 2025.

Round-trip from

$541
(British Airways)

One-way from

$285
(French Bee)

Popular in

December

Cheapest in

November

Average price

$637

Good round-trip deal

$590 or less
From Montreal Pierre Elliott Trudeau Intl to Porto
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One-way flight from Montreal Pierre Elliott Trudeau Intl to Porto
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Highest demand for flights based on searches. 6% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 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 Montreal Pierre Elliott Trudeau Intl to Porto.
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Find flight deals from Pierre Elliott Trudeau Intl to Porto

Cheapest flights from Pierre Elliott Trudeau Intl to Porto
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This British Airways deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/48:40 pmYUL - OPO
1 stop15h 55mBritish Airways
sáb. 11/158:40 pmOPO - YUL
2 stops27h 05mBritish Airways
Deal found 9/11$541
This British Airways deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/118:40 pmYUL - OPO
1 stop15h 55mBritish Airways
lun. 12/18:40 pmOPO - YUL
2 stops27h 05mBritish Airways
Deal found 9/10$542
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/66:50 pmYUL - OPO
1 stop18h 05mDelta
mié. 10/226:15 amOPO - YUL
1 stop15h 40mDelta
Deal found 9/9$543
This British Airways deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/48:40 pmYUL - OPO
1 stop15h 55mBritish Airways
lun. 11/178:40 pmOPO - YUL
2 stops51h 05mBritish Airways
Deal found 9/9$551
This KLM deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/147:05 pmYUL - OPO
1 stop10h 25mKLM
mié. 12/36:00 amOPO - YUL
1 stop16h 20mKLM
Deal found 9/10$553
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/135:00 pmYUL - OPO
1 stop12h 25mDelta
dom. 11/2311:25 amOPO - YUL
1 stop29h 50mDelta
Deal found 9/11$554
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/165:00 pmYUL - OPO
1 stop12h 30mDelta
mié. 11/2611:25 amOPO - YUL
1 stop29h 50mDelta
Deal found 9/11$555
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/115:00 pmYUL - OPO
1 stop12h 30mDelta
vie. 12/511:20 amOPO - YUL
1 stop29h 55mDelta
Deal found 9/10$556
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/278:10 pmYUL - OPO
1 stop15h 15mDelta
dom. 11/911:25 amOPO - YUL
1 stop29h 50mDelta
Deal found 9/9$562
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/89:28 amYUL - OPO
2 stops20h 02mDelta
mié. 11/196:00 amOPO - YUL
1 stop16h 20mDelta
Deal found 9/11$563
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/135:00 pmYUL - OPO
1 stop12h 25mDelta
sáb. 12/66:00 amOPO - YUL
2 stops22h 32mDelta
Deal found 9/10$564
This KLM deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/45:00 pmYUL - OPO
1 stop12h 30mKLM
vie. 11/146:30 amOPO - YUL
1 stop15h 50mKLM
Deal found 9/9$565

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Porto 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 2,558,603 searches. Data last updated septiembre 11, 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Porto that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Porto

Route

Depart

Return

Price

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

sáb. 11/15

8:30 pm-7:15 pm

1 stop17h 45m

Porto

sáb. 12/6

8:40 pm-6:45 pm

2 stops27h 05m

$542

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

mar. 11/11

8:40 pm-5:35 pm

1 stop15h 55m

Porto

sáb. 12/6

8:40 pm-6:45 pm

2 stops27h 05m

$542

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

dom. 11/16

8:40 pm-4:40 pm

1 stop15h 00m

Porto

sáb. 12/6

8:40 pm-6:45 pm

2 stops27h 05m

$542

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

lun. 11/17

8:40 pm-4:40 pm

1 stop15h 00m

Porto

lun. 12/1

8:40 pm-6:45 pm

2 stops27h 05m

$542

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

jue. 10/9

6:50 pm-10:15 pm

1 stop22h 25m

Porto

mié. 10/22

6:15 am-4:55 pm

1 stop15h 40m

$543

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

mar. 10/7

6:50 pm-3:35 pm

1 stop15h 45m

Porto

mié. 10/22

6:15 am-4:55 pm

1 stop15h 40m

$543

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

vie. 11/14

7:05 pm-10:30 am

1 stop10h 25m

Porto

mié. 12/3

6:00 am-5:20 pm

1 stop16h 20m

$553

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

mié. 11/19

7:05 pm-10:30 am

1 stop10h 25m

Porto

dom. 11/30

11:25 am-12:15 pm

1 stop29h 50m

$555

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

lun. 11/17

5:00 pm-10:15 am

1 stop12h 15m

Porto

sáb. 12/6

11:25 am-3:20 pm

1 stop32h 55m

$556

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

lun. 11/17

5:00 pm-10:15 am

1 stop12h 15m

Porto

vie. 12/5

11:20 am-3:20 pm

1 stop33h 00m

$556

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 21 results
1
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Best time to book a flight from Pierre Elliott Trudeau Intl to Porto

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

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to Porto. Price data was last updated on August 29, 2025.

The best time to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Porto is 27 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Porto (average of $523). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Porto in June is currently the most expensive (average of $1,027). 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 YUL to OPO?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

One of the essential ways to save on airfare from Montreal Pierre Elliott Trudeau Intl Airport to Porto is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 22% on airfare.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated septiembre 11, 2025.
Peruse reviews from past customers who have flown with Porter Airlines, Air Transat, and TAP AIR PORTUGAL from Montreal Pierre Elliott Trudeau Intl Airport to Porto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Food

7.6

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Food

7.6

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Food

7.6

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
TAP AIR PORTUGAL
7.1
Good
1,977 reviews
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Food

7.6

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Lufthansa
6.8
Okay
7,409 reviews
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Food

7.6

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

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

    Most people fly into Porto (OPO) if they book a flight to Porto from Montreal Pierre Elliott Trudeau Intl. On average, Porto has 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day from 4 airlines. Porto is conveniently located just 6.8 mi from Porto’s city center.

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

    There are many flights that can get you from Montreal Pierre Elliott Trudeau Intl Airport to Porto in 17h 45m. Fly via British Airways or KLM to get the fastest option. Airlines will cover a distance of 3189 mi. This flight may include one or multiple stops.

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

    Currently priced at $437, TAP AIR PORTUGAL will fly you from Montreal Pierre Elliott Trudeau Intl Airport to Porto and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Transat and Porter Airlines - these airlines can fly you to your destination from $526 and $557, respectively. You may be able to fly from Montreal Pierre Elliott Trudeau Intl Airport to Porto for 35% less than the average price by searching for these airlines.

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

    The top 3 most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to Porto are Air Canada (76%), United Airlines (76%) and Lufthansa (76%).

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

    While on average a flight from Montreal Pierre Elliott Trudeau Intl Airport to Porto is generally $676, our data shows the cheapest flight currently is $531. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Porto), you can expect to pay $598 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Porto (average of $523). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Porto in June is currently the most expensive (average of $1,027). 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

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra

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Alternative routes for Pierre Elliott Trudeau Intl to Porto

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Pierre Elliott Trudeau Intl to Lisbon flights

Top 4 airlines flying from Pierre Elliott Trudeau Intl to Porto

Discover the top 4 airlines that operate flights from Pierre Elliott Trudeau Intl to Porto. 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 2,558,603 searches. Data last updated septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$437Average$708FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$526Average$707FlexibilityNo cancel feeOn-time50%
Porter AirlinesCheapest$557Average$637FlexibilityNo cancel feeOn-time52%
LufthansaCheapest$569Average$890FlexibilityNo cancel feeOn-time76%

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