HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$307+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — OPO
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pierre Elliott Trudeau Intl to Porto with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Porto are usually found in November or February, booked 36 days in advance, depart on a Saturday 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$568
(Porter Airlines)

One-way from

$307
(Cheapflightsfares)

Popular in

December

Cheapest in

November

Average price

$689

Good round-trip deal

$618 or less
Provider with most accurate pricing for Montreal Pierre Elliott Trudeau Intl-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Montreal Pierre Elliott Trudeau Intl-Porto flights.
Search Deals
From Montreal Pierre Elliott Trudeau Intl to Porto
Search Deals
One-way flight from Montreal Pierre Elliott Trudeau Intl to Porto
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Porto.
Search Deals

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 March 28, 2025.

This Porter Airlines deal was found by Cheapflights users on 3/27. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/77:25 pmYUL - OPO
Nonstop6h 20mPorter Airlines
Tue 6/171:30 pmOPO - YUL
1 stop16h 07mPorter Airlines
Deal found 3/27$568
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/27. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2810:45 pmYUL - OPO
1 stop15h 15mTAP AIR PORTUGAL
Thu 10/1612:25 pmOPO - YUL
1 stop13h 45mTAP AIR PORTUGAL
Deal found 3/27$572
This Connections by easyJet deal was found by Cheapflights users on 3/26. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/511:00 pmYUL - OPO
1 stop19h 00mMultiple Airlines
Mon 9/299:10 amOPO - YUL
1 stop16h 50mMultiple Airlines
Deal found 3/26$573
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/49:30 pmYUL - OPO
1 stop9h 10mAzores Airlines
Mon 9/1512:35 pmOPO - YUL
1 stop12h 35mAzores Airlines
Deal found 3/27$582
This Air Transat deal was found by Cheapflights users on 3/27. 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.
Mon 8/187:25 pmYUL - OPO
Nonstop6h 20mAir Transat
Fri 8/298:25 amOPO - YUL
Nonstop7h 15mAir Transat
Deal found 3/27$600
This SWISS deal was found by Cheapflights users on 3/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/134:40 pmYUL - OPO
1 stop13h 50mSWISS
Tue 5/2012:15 pmOPO - YUL
1 stop31h 45mSWISS
Deal found 3/27$631
This Lufthansa deal was found by Cheapflights users on 3/27. 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 8/188:40 pmYUL - OPO
1 stop21h 40mLufthansa
Sun 8/3111:20 amOPO - YUL
Nonstop7h 25mLufthansa
Deal found 3/27$634
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/43:41 pmYUL - OPO
1 stop10h 24mUnited Airlines
Thu 9/189:50 amOPO - YUL
2 stops26h 59mUnited Airlines
Deal found 3/27$664
This Austrian Airlines deal was found by Cheapflights users on 3/27. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/25:50 pmYUL - OPO
2 stops34h 45mAustrian Airlines
Sat 9/136:45 pmOPO - YUL
2 stops22h 00mAustrian Airlines
Deal found 3/27$792
This Brussels Airlines deal was found by Cheapflights users on 3/27. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/223:30 pmYUL - OPO
2 stops19h 30mBrussels Airlines
Thu 7/312:55 pmOPO - YUL
2 stops32h 25mBrussels Airlines
Deal found 3/27$805

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 March 28, 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

Sat 6/7

7:25 pm-6:45 am

Nonstop6h 20m

Porto

Tue 6/17

1:30 pm-12:37 am

1 stop16h 07m

$568

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Fri 9/5

11:00 pm-11:00 pm

1 stop19h 00m

Porto

Mon 9/29

9:10 am-9:00 pm

1 stop16h 50m

$573

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

9:30 pm-11:40 am

1 stop9h 10m

Porto

Mon 9/15

12:35 pm-8:10 pm

1 stop12h 35m

$582

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 8/18

7:25 pm-6:45 am

Nonstop6h 20m

Porto

Fri 8/29

8:25 am-10:40 am

Nonstop7h 15m

$600

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

10:45 pm-11:00 pm

1 stop19h 15m

Porto

Thu 10/2

11:00 am-9:10 pm

1 stop15h 10m

$602

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Tue 5/13

4:40 pm-11:30 am

1 stop13h 50m

Porto

Tue 5/20

12:15 pm-3:00 pm

1 stop31h 45m

$631

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 8/18

8:40 pm-11:20 pm

1 stop21h 40m

Porto

Sun 8/31

11:20 am-1:45 pm

Nonstop7h 25m

$634

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

3:41 pm-7:05 am

1 stop10h 24m

Porto

Wed 9/17

12:35 pm-7:39 pm

1 stop12h 04m

$664

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Tue 9/2

5:50 pm-9:35 am

2 stops34h 45m

Porto

Sat 9/13

6:45 pm-11:45 am

2 stops22h 00m

$792

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Sun 6/22

3:30 pm-4:00 pm

2 stops19h 30m

Porto

Thu 7/3

12:55 pm-4:20 pm

2 stops32h 25m

$805

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 16 results
1
2

Compare providers for flights from Pierre Elliott Trudeau Intl to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pierre Elliott Trudeau Intl to Porto in March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Montreal Pierre Elliott Trudeau Intl Airport-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 March 21, 2025.

The best time to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Porto is 36 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 $1,084). 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 March 28, 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.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 March 28, 2025.
Porter Airlines
7.9
Good
276 reviews

Crew

8.7

Boarding

8.2

Food

7.6

Entertainment

6.9

Comfort

8.0

Overall

7.9

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Porter Airlines
7.9
Good
276 reviews
Porter Airlines
7.9
Good
276 reviews

Crew

8.7

Boarding

8.2

Food

7.6

Entertainment

6.9

Comfort

8.0

Overall

7.9

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Air Transat
7.8
Good
381 reviews
Porter Airlines
7.9
Good
276 reviews

Crew

8.7

Boarding

8.2

Food

7.6

Entertainment

6.9

Comfort

8.0

Overall

7.9

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Azores Airlines
7.6
Good
63 reviews
Porter Airlines
7.9
Good
276 reviews

Crew

8.7

Boarding

8.2

Food

7.6

Entertainment

6.9

Comfort

8.0

Overall

7.9

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Austrian Airlines
7.5
Good
769 reviews
Porter Airlines
7.9
Good
276 reviews

Crew

8.7

Boarding

8.2

Food

7.6

Entertainment

6.9

Comfort

8.0

Overall

7.9

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
SWISS
7.5
Good
1,570 reviews
Porter Airlines
7.9
Good
276 reviews

Crew

8.7

Boarding

8.2

Food

7.6

Entertainment

6.9

Comfort

8.0

Overall

7.9

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?

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 3 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 $568, 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 Azores Airlines and Air Transat - these airlines can fly you to your destination from $582 and $600, respectively. You may be able to fly from Montreal Pierre Elliott Trudeau Intl Airport to Porto for 16% 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 $307 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Air Transat from $491 and Porter Airlines from $572 one-way.

  • 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 $688, our data shows the cheapest flight currently is $570. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Porto), you can expect to pay $555 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 $1,084). 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 Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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 Pierre Elliott Trudeau Intl to Porto

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

Top 3 airlines flying from Pierre Elliott Trudeau Intl to Porto

Discover the top 3 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$534Average$629FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$580Average$744FlexibilityNo cancel feeOn-time50%
Porter AirlinesCheapest$624Average$732FlexibilityNo cancel feeOn-time52%
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.