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$282+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — OPO
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$561
(French Bee)

One-way from

$282
(French Bee)

Popular in

December

Cheapest in

November

Average price

$763

Good round-trip deal

$620 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. 7% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This KLM deal was found by Cheapflights users on 7/29. 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.
Thu 10/96:50 pmYUL - OPO
1 stop10h 50mKLM
Wed 10/158:10 pmOPO - YUL
1 stop25h 45mKLM
Deal found 7/29$558
This Delta deal was found by Cheapflights users on 7/27. 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.
Wed 11/57:05 pmYUL - OPO
1 stop10h 25mDelta
Thu 11/1311:25 amOPO - YUL
1 stop29h 50mDelta
Deal found 7/27$560
This French Bee deal was found by Cheapflights users on 7/29. 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 French Bee is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/811:00 pmYUL - OPO
1 stop14h 15mMultiple Airlines
Fri 9/266:10 amOPO - YUL
1 stop19h 50mMultiple Airlines
Deal found 7/29$561
This Porter Airlines deal was found by Cheapflights users on 7/28. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:45 amYUL - OPO
1 stop24h 00mPorter Airlines
Tue 9/231:30 pmOPO - YUL
1 stop16h 07mPorter Airlines
Deal found 7/28$562
This Air Transat deal was found by Cheapflights users on 7/27. 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 Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/237:25 pmYUL - OPO
Nonstop6h 20mAir Transat
Tue 9/98:25 amOPO - YUL
Nonstop7h 15mAir Transat
Deal found 7/27$570
This Lufthansa deal was found by Cheapflights users on 7/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2910:00 pmYUL - OPO
Nonstop6h 35mLufthansa
Wed 10/156:15 amOPO - YUL
1 stop19h 45mLufthansa
Deal found 7/27$575
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:38 amYUL - OPO
2 stops20h 02mAmerican Airlines
Tue 10/148:15 amOPO - YUL
2 stops30h 35mAmerican Airlines
Deal found 7/28$595
This British Airways deal was found by Cheapflights users on 7/28. 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.
Mon 10/279:40 pmYUL - OPO
2 stops18h 20mBritish Airways
Sun 11/98:40 pmOPO - YUL
2 stops27h 05mBritish Airways
Deal found 7/28$601
This SWISS deal was found by Cheapflights users on 7/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:30 pmYUL - OPO
1 stop17h 35mSWISS
Mon 10/67:20 pmOPO - YUL
1 stop24h 40mSWISS
Deal found 7/29$605
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/263:41 pmYUL - OPO
1 stop11h 04mUnited Airlines
Wed 9/109:35 amOPO - YUL
1 stop11h 35mUnited Airlines
Deal found 7/29$619

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 July 29, 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

Mon 9/8

11:00 pm-6:15 pm

1 stop14h 15m

Porto

Fri 9/26

6:10 am-9:00 pm

1 stop19h 50m

$561

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Sun 9/14

6:45 am-11:45 am

1 stop24h 00m

Porto

Tue 9/23

1:30 pm-12:37 am

1 stop16h 07m

$562

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Wed 10/22

6:50 pm-10:40 am

1 stop10h 50m

Porto

Mon 11/3

11:25 am-12:15 pm

1 stop29h 50m

$565

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 8/25

10:00 pm-9:35 am

Nonstop6h 35m

Porto

Thu 9/11

12:10 pm-2:35 pm

Nonstop7h 25m

$568

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Sat 8/23

7:25 pm-6:45 am

Nonstop6h 20m

Porto

Tue 9/9

8:25 am-10:40 am

Nonstop7h 15m

$570

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Tue 10/7

7:00 pm-3:35 pm

2 stops15h 35m

Porto

Mon 10/20

4:20 pm-4:55 pm

1 stop29h 35m

$572

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Thu 10/2

10:38 am-11:40 am

2 stops20h 02m

Porto

Tue 10/14

8:15 am-9:50 am

2 stops30h 35m

$595

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 10/27

9:40 pm-8:00 pm

2 stops18h 20m

Porto

Sun 11/9

8:40 pm-6:45 pm

2 stops27h 05m

$601

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Tue 9/9

8:30 pm-7:05 pm

1 stop17h 35m

Porto

Mon 10/6

7:20 pm-3:00 pm

1 stop24h 40m

$605

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Tue 8/26

3:41 pm-7:45 am

1 stop11h 04m

Porto

Wed 9/10

9:35 am-4:10 pm

1 stop11h 35m

$619

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 18 results
1
2

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 July 25, 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 $1,033). 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 July 29, 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 July 29, 2025.
Peruse reviews from past customers who have flown with Porter Airlines, Delta, and KLM 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
8.0
Very good
317 reviews

Comfort

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
317 reviews
Porter Airlines
8.0
Very good
317 reviews

Comfort

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,977 reviews
Porter Airlines
8.0
Very good
317 reviews

Comfort

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
KLM
7.8
Good
1,383 reviews
Porter Airlines
8.0
Very good
317 reviews

Comfort

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Transat
7.7
Good
424 reviews
Porter Airlines
8.0
Very good
317 reviews

Comfort

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Austrian Airlines
7.6
Good
821 reviews
Porter Airlines
8.0
Very good
317 reviews

Comfort

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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 2 inbound flights from Montreal Pierre Elliott Trudeau Intl per day from 5 airlines. Porto is conveniently located just 6.8 mi from Porto’s city center.

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

    Currently priced at $562, Porter Airlines will fly you from Montreal Pierre Elliott Trudeau Intl Airport to Porto and back. In addition to Porter Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Lufthansa - these airlines can fly you to your destination from $565 and $568, respectively. You may be able to fly from Montreal Pierre Elliott Trudeau Intl Airport to Porto for 17% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $296 on Azores Airlines. Other airlines that offer cheap prices include Porter Airlines from $335 and Lufthansa from $351 one-way.

  • 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 (83%), United Airlines (83%) and Lufthansa (83%).

  • 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 $758, our data shows the cheapest flight currently is $534. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Porto), you can expect to pay $613 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 $1,033). 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
Coimbra
Matosinhos

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Alternative routes for Pierre Elliott Trudeau Intl to Porto

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Top 5 airlines flying from Pierre Elliott Trudeau Intl to Porto

Discover the top 5 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$437Average$640FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$526Average$713FlexibilityNo cancel feeOn-time50%
LufthansaCheapest$569Average$890FlexibilityNo cancel feeOn-time76%
Porter AirlinesCheapest$578Average$637FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$681Average$835FlexibilityNo cancel feeOn-time67%

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