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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Porto from C$ 399

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — OPO
11 Jul — 18 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Porto are usually found in March or January, booked 75 days in advance, depart on a Monday or Tuesday and return on a Wednesday

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 11 June 2026.

Thu 13/88:35 p.m.
YUL
-
OPO
1 stop10h 10m
Air Transat
Wed 19/88:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Deal found 9/6C$ 754
Mon 21/910:45 p.m.
YUL
-
OPO
1 stop11h 15m
TAP AIR PORTUGAL
Thu 1/1012:35 p.m.
OPO
-
YUL
1 stop13h 35m
TAP AIR PORTUGAL
Deal found 7/6C$ 755
Thu 13/88:35 p.m.
YUL
-
OPO
1 stop10h 10m
Air Transat
Sun 30/88:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Deal found 7/6C$ 757
Wed 15/78:35 p.m.
YUL
-
OPO
1 stop10h 20m
Air Transat
Fri 24/78:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Deal found 7/6C$ 758
Thu 3/910:45 p.m.
YUL
-
OPO
1 stop16h 40m
TAP AIR PORTUGAL
Tue 8/96:00 p.m.
OPO
-
YUL
1 stop31h 45m
TAP AIR PORTUGAL
Deal found 10/6C$ 760
Sun 14/65:10 p.m.
YUL
-
OPO
1 stop13h 35m
Air Transat
Tue 23/68:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Deal found 10/6C$ 761
Mon 15/67:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Sat 27/61:30 p.m.
OPO
-
YUL
1 stop11h 02m
Air Transat
Deal found 11/6C$ 762
Mon 15/66:45 a.m.
YUL
-
OPO
1 stop24h 00m
Air Transat
Wed 17/68:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Deal found 7/6C$ 765
Tue 1/97:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Wed 30/98:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Deal found 9/6C$ 767
Tue 21/77:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Tue 28/78:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Deal found 7/6C$ 768
Mon 15/67:30 p.m.
YUL
-
OPO
Nonstop6h 30m
Lufthansa
Mon 22/611:15 a.m.
OPO
-
YUL
Nonstop7h 20m
Lufthansa
Deal found 11/6C$ 769

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 11 June 2026.

Round-trip from

C$ 754

One-way from

C$ 399

Popular in

December

Cheapest in

March

Average price

C$ 879

Good round-trip deal

C$ 858 or less

Good one-way deal

C$ 554 or less
Air Transat
  • Air Transat
  • 13/8-19/8
  • 1 total stop
  • 17h 25m total
  • Montreal to Porto
Search Deals
18/6
  • 18/6
  • 3 total stops
  • 24h 35m total
  • Montreal to Porto
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Porto.
Search Deals
Price to beat on a one-way 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 11 June 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

10:31 a.m.-7:30 p.m.

2 stops27h 59m

Porto

Fri 18/9

12:25 p.m.-9:49 a.m.

2 stops26h 24m

C$ 772

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Wed 8/7

7:30 p.m.-7:00 a.m.

Nonstop6h 30m

Porto

Tue 14/7

12:15 p.m.-2:35 p.m.

Nonstop7h 20m

C$ 801

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Fri 10/7

7:30 p.m.-7:00 a.m.

Nonstop6h 30m

Porto

Thu 16/7

6:20 a.m.-6:50 p.m.

1 stop17h 30m

C$ 807

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Wed 2/9

8:35 p.m.-11:55 a.m.

1 stop10h 20m

Porto

Sat 12/9

1:30 p.m.-7:32 p.m.

1 stop11h 02m

C$ 814
Quickest round-trip

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Sat 15/8

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

Nonstop6h 15m

Porto

Thu 27/8

11:50 a.m.-1:55 p.m.

Nonstop7h 05m

C$ 828

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Tue 22/9

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

1 stop19h 15m

Porto

Tue 29/9

6:00 a.m.-11:23 a.m.

2 stops34h 23m

C$ 867

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Sat 15/8

6:30 p.m.-6:55 a.m.

2 stops31h 25m

Porto

Thu 27/8

9:00 a.m.-1:09 p.m.

1 stop33h 09m

C$ 875

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Wed 12/8

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

Nonstop6h 15m

Porto

Tue 18/8

12:15 p.m.-2:20 p.m.

Nonstop7h 05m

C$ 895

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Fri 10/7

3:25 p.m.-6:55 a.m.

1 stop10h 30m

Porto

Fri 17/7

12:05 p.m.-7:25 p.m.

2 stops36h 20m

C$ 916

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

8:35 p.m.-11:45 a.m.

1 stop10h 10m

Porto

Sat 3/10

1:30 p.m.-7:32 p.m.

1 stop11h 02m

C$ 935

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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?

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, March is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Porto (average of C$ 690). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Porto in December is currently the most expensive (average of C$ 1,100). 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 11 June 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal Pierre Elliott Trudeau Intl Airport to Porto as you normally would.

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

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 11 June 2026.
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
438 reviews
Check prices

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.6

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
438 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.6

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Transat
7.8
Good
555 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.6

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Azores Airlines
7.2
Good
104 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.6

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,165 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.6

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Lufthansa
6.8
Okay
8,058 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.6

Entertainment

6.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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 2 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 6h 30m. Fly via British Airways, Lufthansa, or Air Transat to get the fastest option. There are 5132 km between Montreal Pierre Elliott Trudeau Intl Airport and Porto. 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 Montreal Pierre Elliott Trudeau Intl Airport to Porto round-trip?

    American Airlines, at C$ 430, was found to be the cheapest airline from Montreal Pierre Elliott Trudeau Intl Airport to Porto.Alternate airlines to your destination round-trip include TAP AIR PORTUGAL and Azores Airlines. American Airlines is priced at 51% 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$ 348 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$ 385 and C$ 448, 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$ 1,274, our data indicates the cheapest price to be C$ 516. The most popular route (Montreal Pierre Elliott Trudeau Intl - Porto), is priced around C$ 716.

  • 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, March is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Porto (average of C$ 690). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Porto in December is currently the most expensive (average of C$ 1,100). 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

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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 11 June 2026.
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 11 June 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 430AverageC$ 432FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
TAP AIR PORTUGALCheapestC$ 632AverageC$ 878FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Azores AirlinesCheapestC$ 702AverageC$ 890FlexibilityNo cancel feeOn-time74%
Search Azores Airlines flights
Air TransatCheapestC$ 737AverageC$ 930FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 742AverageC$ 980FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 745AverageC$ 933FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
KLMCheapestC$ 750AverageC$ 812FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapestC$ 783AverageC$ 1,115FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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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