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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Porto from C$ 378

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — OPO
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Porto are usually found in January or March, booked 74 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap flight deals from Pierre Elliott Trudeau Intl to Porto

Enter your travel dates to find the best prices.

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 12 December 2025.

Thu 11/127:45 p.m.YUL - OPO
2 stops41h 10mMultiple Airlines
Mon 22/126:10 a.m.OPO - YUL
1 stop18h 35mMultiple Airlines
Deal found 11/12C$ 1,189
Tue 30/127:20 p.m.YUL - OPO
1 stop30h 45mAir Transat
Sat 10/18:50 a.m.OPO - YUL
1 stop29h 30mAir Transat
Deal found 11/12C$ 1,262
Tue 30/129:40 p.m.YUL - OPO
1 stop18h 50mMultiple Airlines
Sat 10/112:40 p.m.OPO - YUL
3 stops32h 50mMultiple Airlines
Deal found 11/12C$ 1,327
Thu 11/127:45 p.m.YUL - OPO
2 stops41h 10mMultiple Airlines
Mon 15/122:00 p.m.OPO - YUL
1 stop11h 15mMultiple Airlines
Deal found 11/12C$ 1,389
Sun 14/1212:59 p.m.YUL - OPO
2 stops37h 41mAmerican Airlines
Mon 22/1212:25 p.m.OPO - YUL
2 stops39h 33mAmerican Airlines
Deal found 11/12C$ 1,394
Sat 13/123:45 p.m.YUL - OPO
2 stops47h 15mAmerican Airlines
Mon 22/124:40 p.m.OPO - YUL
2 stops35h 18mAmerican Airlines
Deal found 11/12C$ 1,438
Mon 15/128:15 p.m.YUL - OPO
1 stop16h 10mMultiple Airlines
Sat 17/16:00 a.m.OPO - YUL
2 stops30h 42mMultiple Airlines
Deal found 11/12C$ 1,458
Mon 15/128:05 a.m.YUL - OPO
2 stops24h 00mAir Canada
Sat 17/16:00 a.m.OPO - YUL
2 stops22h 22mAir Canada
Deal found 11/12C$ 1,481
Mon 15/127:30 a.m.YUL - OPO
2 stops23h 15mAmerican Airlines
Mon 22/124:40 p.m.OPO - YUL
2 stops35h 18mAmerican Airlines
Deal found 11/12C$ 1,483
Sat 13/128:35 p.m.YUL - OPO
2 stops14h 30mMultiple Airlines
Mon 22/126:10 a.m.OPO - YUL
1 stop18h 35mMultiple Airlines
Deal found 11/12C$ 1,498
Thu 11/127:45 p.m.YUL - OPO
2 stops18h 40mMultiple Airlines
Sat 13/121:00 p.m.OPO - YUL
1 stop28h 10mMultiple Airlines
Deal found 11/12C$ 1,517

Find 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 12 December 2025.

Round-trip from

C$ 661

One-way from

C$ 378

Popular in

December

Cheapest in

January

Average price

C$ 1,280

Good round-trip deal

C$ 862 or less
SWISS
  • SWISS
  • 29/1-4/2
  • 2 total stops
  • 45h 25m total
  • Montreal to Porto
Search Deals
28/1
  • 28/1
  • 1 total stop
  • 32h 30m total
  • Montreal to Porto
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Porto.
Search Deals

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 629,999 searches. Data last updated 12 December 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

Thu 22/1

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

1 stop13h 25m

Porto

Thu 29/1

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

1 stop32h 05m

C$ 690

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

10:30 p.m.-6:35 p.m.

2 stops39h 05m

Porto

Mon 16/2

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

1 stop32h 05m

C$ 699

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Sun 18/1

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

1 stop13h 25m

Porto

Mon 26/1

12:05 p.m.-3:23 p.m.

2 stops56h 18m

C$ 699

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

6:45 p.m.-12:05 p.m.

1 stop12h 20m

Porto

Sat 31/1

1:45 p.m.-6:20 p.m.

1 stop33h 35m

C$ 701

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

7:25 p.m.-6:45 a.m.

Nonstop6h 20m

Porto

Fri 22/5

8:25 a.m.-10:40 a.m.

Nonstop7h 15m

C$ 730

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

10:45 p.m.-7:00 p.m.

1 stop15h 15m

Porto

Sun 3/5

4:00 p.m.-9:10 p.m.

1 stop10h 10m

C$ 735

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

8:40 p.m.-11:25 p.m.

1 stop21h 45m

Porto

Sun 19/4

6:00 a.m.-11:21 p.m.

2 stops22h 21m

C$ 735

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Fri 8/5

3:10 p.m.-11:45 a.m.

1 stop15h 35m

Porto

Sun 24/5

8:25 a.m.-10:40 a.m.

Nonstop7h 15m

C$ 739

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Tue 10/2

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

1 stop13h 30m

Porto

Wed 18/2

6:00 a.m.-6:55 a.m.

2 stops29h 55m

C$ 747

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

6:45 a.m.-11:45 a.m.

1 stop24h 00m

Porto

Wed 20/5

8:25 a.m.-10:40 a.m.

Nonstop7h 15m

C$ 758

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 21 results
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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 5 December 2025.

The price you pay for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Porto may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Porto (average of C$ 425). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Porto in July is currently the most expensive (average of C$ 810). 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 12 December 2025.

It’s typically best to fly out from Montreal Pierre Elliott Trudeau Intl Airport to Porto in the evening. Doing so could potentially save you 14% on the flight price compared to flying at noon, which is usually more expensive.

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 12 December 2025.
Get a feel of what it's like to fly with Porter Airlines,Air Transat, andAzores Airlines from Montreal Pierre Elliott Trudeau Intl Airport to Porto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
397 reviews
Check prices

Comfort

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
397 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Comfort

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Transat
7.8
Good
480 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Comfort

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Azores Airlines
7.5
Good
88 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Comfort

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,514 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Comfort

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
TAP AIR PORTUGAL
7.1
Good
2,086 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Comfort

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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?

    Porto (OPO), located 10.9 km from the city centre, is the airport you fly into when you book flights from Montreal Pierre Elliott Trudeau Intl to Porto. 8 airlines have flights to Porto from Montreal Pierre Elliott Trudeau Intl on a regular basis. Booking flights from Montreal Pierre Elliott Trudeau Intl to Porto should not be difficult; the airport handles an average of 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day.

  • 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 13h 25m. Fly via SWISS to get the fastest option. There are 5132 km between Montreal Pierre Elliott Trudeau Intl Airport and Porto.

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

    American Airlines, at C$ 426, was found to be the cheapest airline from Montreal Pierre Elliott Trudeau Intl Airport to Porto.Alternate airlines to your destination round-trip include Lufthansa and Azores Airlines. American Airlines is priced at 53% lower than the current average price of a flight leaving 3 months from now.

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

    C$ 345 is the cheapest one-way deal found within the past few days, from Air Transat. You may also be able to find cheap deals on Azores Airlines and Porter Airlines, with prices starting from C$ 361 and C$ 413, respectively.

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

    Looking for the cheapest flight from Montreal Pierre Elliott Trudeau Intl Airport to Porto? While on average our users pay C$ 913, our data indicates the cheapest price to be C$ 786. The most popular route (Montreal Pierre Elliott Trudeau Intl - Porto), is priced around C$ 661.

  • 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, February is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Porto (average of C$ 425). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Porto in July is currently the most expensive (average of C$ 810). 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 Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Esposende

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Fly from Pierre Elliott Trudeau Intl to Porto on these airlines

Choose from the following airlines for your flight from Pierre Elliott Trudeau Intl to Porto. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Air Transat flights from Montreal Pierre Elliott Trudeau Intl to Porto
Air Canada flights from Montreal Pierre Elliott Trudeau Intl to Porto
TAP AIR PORTUGAL flights from Montreal Pierre Elliott Trudeau Intl to Porto

Top 8 airlines flying from Pierre Elliott Trudeau Intl to Porto

Discover the top 8 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 629,999 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 426AverageC$ 427FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
LufthansaCheapestC$ 633AverageC$ 1,020FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Azores AirlinesCheapestC$ 683AverageC$ 831FlexibilityNo cancel feeOn-time74%
Search Azores Airlines flights
TAP AIR PORTUGALCheapestC$ 726AverageC$ 856FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapestC$ 742AverageC$ 812FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air TransatCheapestC$ 752AverageC$ 941FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 764AverageC$ 896FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 788AverageC$ 996FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Porto from Pierre Elliott Trudeau Intl today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Porto?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Porto from Pierre Elliott Trudeau Intl.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Porto with no change fees?

Yes, we can. To see specific flights from Pierre Elliott Trudeau Intl to Porto with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Pierre Elliott Trudeau Intl to Porto flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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