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Cheap flights from Porto to Montreal from C$ 371

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to Montreal departing on 17/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Porto to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
6:30 a.m. - 5:20 p.m.OPO-YUL
15h 50m1 stop
KLM Logo
7:05 p.m. - 10:30 a.m.YUL-OPO
10h 25m1 stop
C$ 605KLM
Find Deal
Mon, 26 Jan - Mon, 9 Feb
KLM Logo
6:00 a.m. - 5:20 p.m.OPO-YUL
16h 20m1 stop
KLM Logo
7:10 p.m. - 3:25 p.m.YUL-OPO
15h 15m1 stop
C$ 614KLM
Find Deal
Wed, 19 Nov - Fri, 5 Dec
SWISS Logo
12:05 p.m. - 3:10 p.m.OPO-YUL
32h 05m1 stop
SWISS Logo
4:45 p.m. - 11:10 a.m.YUL-OPO
13h 25m1 stop
C$ 616SWISS
Find Deal
Tue, 18 Nov - Thu, 4 Dec
SWISS Logo
12:10 p.m. - 3:10 p.m.OPO-YUL
32h 00m1 stop
SWISS Logo
4:45 p.m. - 11:10 a.m.YUL-OPO
13h 25m1 stop
C$ 623SWISS
Find Deal
Wed, 19 Nov - Thu, 4 Dec
SWISS Logo
7:25 p.m. - 3:10 p.m.OPO-YUL
24h 45m1 stop
SWISS Logo
4:45 p.m. - 11:10 a.m.YUL-OPO
13h 25m1 stop
C$ 628SWISS
Find Deal
Tue, 23 Dec - Sun, 11 Jan
Air Canada Logo
6:00 a.m. - 11:23 p.m.OPO-YUL
22h 23m2 stops
Air Canada Logo
4:45 p.m. - 6:35 p.m.YUL-OPO
20h 50m1 stop
C$ 638Air Canada
Find Deal
Fri, 21 Nov - Sat, 6 Dec
Air Canada Logo
6:00 a.m. - 11:23 p.m.OPO-YUL
22h 23m2 stops
Air Canada Logo
8:10 p.m. - 1:15 p.m.YUL-OPO
12h 05m1 stop
C$ 641Air Canada
Find Deal
Fri, 21 Nov - Wed, 3 Dec
Multiple Airlines Logo
6:00 a.m. - 5:20 p.m.OPO-YUL
16h 20m1 stop
Multiple Airlines Logo
12:50 p.m. - 10:30 a.m.YUL-OPO
16h 40m2 stops
C$ 644Multiple Airlines
Find Deal
Wed, 19 Nov - Sat, 6 Dec
British Airways Logo
9:10 p.m. - 8:15 p.m.OPO-YUL
28h 05m1 stop
British Airways Logo
10:00 p.m. - 8:20 p.m.YUL-OPO
17h 20m1 stop
C$ 674British Airways
Find Deal
Fri, 17 Apr - Sun, 26 Apr
British Airways Logo
9:25 p.m. - 8:15 p.m.OPO-YUL
27h 50m1 stop
British Airways Logo
10:00 p.m. - 7:50 p.m.YUL-OPO
16h 50m1 stop
C$ 701British Airways
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Sun, 19 Apr - Mon, 27 Apr

KLM flights from Porto to Montreal Pierre Elliott Trudeau Intl Airport

Our best KLM deals on Porto to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
KLM
26 Jan
OPO6:30 a.m.Porto
15h 50m
1 stop
YUL5:20 p.m.Montreal Pierre Elliott Trudeau Intl
9 Feb
YUL7:05 p.m.Montreal Pierre Elliott Trudeau Intl
10h 25m
1 stop
OPO10:30 a.m.Porto
C$ 605
Find similar
KLM
19 Nov
OPO6:00 a.m.Porto
16h 20m
1 stop
YUL5:20 p.m.Montreal Pierre Elliott Trudeau Intl
5 Dec
YUL7:10 p.m.Montreal Pierre Elliott Trudeau Intl
15h 15m
1 stop
OPO3:25 p.m.Porto
C$ 614
Find similar
KLM
14 Nov
OPO6:30 a.m.Porto
15h 50m
1 stop
YUL5:20 p.m.Montreal Pierre Elliott Trudeau Intl
23 Nov
YUL7:05 p.m.Montreal Pierre Elliott Trudeau Intl
10h 25m
1 stop
OPO10:30 a.m.Porto
C$ 635
Find similar

SWISS flights from Porto to Montreal Pierre Elliott Trudeau Intl Airport

Our best SWISS deals on Porto to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
SWISS
18 Nov
OPO12:05 p.m.Porto
32h 05m
1 stop
YUL3:10 p.m.Montreal Pierre Elliott Trudeau Intl
4 Dec
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
13h 25m
1 stop
OPO11:10 a.m.Porto
C$ 616
Find similar
SWISS
19 Nov
OPO12:10 p.m.Porto
32h 00m
1 stop
YUL3:10 p.m.Montreal Pierre Elliott Trudeau Intl
4 Dec
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
13h 25m
1 stop
OPO11:10 a.m.Porto
C$ 623
Find similar
SWISS
23 Dec
OPO7:25 p.m.Porto
24h 45m
1 stop
YUL3:10 p.m.Montreal Pierre Elliott Trudeau Intl
11 Jan
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
13h 25m
1 stop
OPO11:10 a.m.Porto
C$ 628
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Porto to Montreal Pierre Elliott Trudeau Intl Airport 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, momondo users made 96,600 searches. Data last updated 26 October 2025.
Use the filters below to find and compare flights from Porto to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortoMontreal

OPO - YUL

OPOYUL

Porto

Mon 26/1

6:30 a.m.-5:20 p.m.

1 stop15h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

7:05 p.m.-10:30 a.m.

1 stop10h 25m

C$ 605

PortoMontreal

OPO - YUL

OPOYUL

Porto

Wed 19/11

6:00 a.m.-5:20 p.m.

1 stop16h 20m

Montreal Pierre Elliott Trudeau Intl

Fri 5/12

7:10 p.m.-3:25 p.m.

1 stop15h 15m

C$ 614

PortoMontreal

OPO - YUL

OPOYUL

Porto

Tue 18/11

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

1 stop32h 05m

Montreal Pierre Elliott Trudeau Intl

Thu 4/12

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

1 stop13h 25m

C$ 616

PortoMontreal

OPO - YUL

OPOYUL

Porto

Wed 19/11

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

1 stop32h 00m

Montreal Pierre Elliott Trudeau Intl

Thu 4/12

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

1 stop13h 25m

C$ 623

PortoMontreal

OPO - YUL

OPOYUL

Porto

Tue 23/12

7:25 p.m.-3:10 p.m.

1 stop24h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

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

1 stop13h 25m

C$ 628

PortoMontreal

OPO - YUL

OPOYUL

Porto

Fri 21/11

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

2 stops22h 23m

Montreal Pierre Elliott Trudeau Intl

Sat 6/12

4:45 p.m.-6:35 p.m.

1 stop20h 50m

C$ 638

PortoMontreal

OPO - YUL

OPOYUL

Porto

Fri 21/11

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

2 stops22h 23m

Montreal Pierre Elliott Trudeau Intl

Wed 3/12

8:10 p.m.-1:15 p.m.

1 stop12h 05m

C$ 641

PortoMontreal

OPO - YUL

OPOYUL

Porto

Wed 19/11

6:00 a.m.-5:20 p.m.

1 stop16h 20m

Montreal Pierre Elliott Trudeau Intl

Sat 6/12

12:50 p.m.-10:30 a.m.

2 stops16h 40m

C$ 644

PortoMontreal

OPO - YUL

OPOYUL

Porto

Fri 17/4

9:10 p.m.-8:15 p.m.

1 stop28h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

10:00 p.m.-8:20 p.m.

1 stop17h 20m

C$ 674

PortoMontreal

OPO - YUL

OPOYUL

Porto

Sun 19/4

9:25 p.m.-8:15 p.m.

1 stop27h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

10:00 p.m.-7:50 p.m.

1 stop16h 50m

C$ 701

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Montreal from

How to get the cheapest flight ticket from Porto to Montreal Pierre Elliott Trudeau Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Porto and Montreal Pierre Elliott Trudeau Intl Airport?

What is the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport?

The month of May is, on average, the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from Porto, with most prices found around C$ 525. The month of September is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Porto averaging around C$ 595.

What is the cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

The cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport is on a Sunday when prices can be found for as low as C$ 702. This is often the case because there is less demand to fly during this day of the week. On the other hand, Wednesday is the most expensive day to depart from Porto because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 769.

What is the cheapest time of day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

At noon is the cheapest time of day to fly from Porto to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as C$ 720. Flying to Montreal Pierre Elliott Trudeau Intl Airport at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around C$ 726. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Porto to Montreal Pierre Elliott Trudeau Intl flight route?

Fly from Porto to Montreal Pierre Elliott Trudeau Intl for the best Porto - Montreal Pierre Elliott Trudeau Intl flight prices

What cabin class options are available on Porto to Montreal Pierre Elliott Trudeau Intl flights?

There are 3 cabin classes available to choose from on Porto to Montreal Pierre Elliott Trudeau Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Porto to Montreal Pierre Elliott Trudeau Intl Airport flight prices changed over time?

As of October 2025, prices for Porto to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 18% cheaper when compared to flights at the same time last year.

When to book flights from Porto to Montreal Pierre Elliott Trudeau Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Porto to Montreal Pierre Elliott Trudeau Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Porto to Montreal Pierre Elliott Trudeau Intl Airport (OPO to YUL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto to Montreal Pierre Elliott Trudeau Intl Airport

Fastest flight time

7h 15m

Direct flights

Mon
The fastest flight from Porto to Montreal Pierre Elliott Trudeau Intl Airport takes 7h 15m
Direct flights go from Porto to Montreal Pierre Elliott Trudeau Intl Airport on Monday. The only airline offering direct flights is Air Transat.
Search flight deals

  • How far is Porto to Montreal Pierre Elliott Trudeau Intl by plane?

    A flight from Porto to Montreal Pierre Elliott Trudeau Intl will travel around 5141.3 km. 12h 45m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Porto Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Prices for flights from Porto Airport to Montreal Pierre Elliott Trudeau Intl Airport are updated daily.

  • How many operators does momondo search for flights from Porto Airport to Montreal Pierre Elliott Trudeau Intl Airport?

  • How old do you have to be to fly from Porto Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Porto Airport to Montreal Pierre Elliott Trudeau Intl Airport.

  • What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?

    The required travel and health documents for your Montreal Pierre Elliott Trudeau Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Montreal Pierre Elliott Trudeau Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Porto to Montreal Pierre Elliott Trudeau Intl Airport?

  • What is the most popular airline from Porto to Montreal Pierre Elliott Trudeau Intl Airport?

Best airlines flying from Porto to Montreal Pierre Elliott Trudeau Intl Airport

Compare and see reviews for airlines that fly from Porto to Montreal Pierre Elliott Trudeau Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air TransatPriceFrom C$ 591Free CancellationRating
7.8
469 reviews
Search Air Transat flights
Air CanadaPriceFrom C$ 603Free CancellationRating
7.1
10,364 reviews
Search Air Canada flights

Travelling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Laval
Montebello
Sherbrooke
Trois-Rivières
Brossard
Drummondville
Dorval
North Hatley
Cornwall
Longueuil
Magog
Saint-Sauveur
Bromont
Boucherville
Saint-Jean-sur-Richelieu
Sutton
Waterloo

Why use momondo?

Why should I use momondo to find a flight deal from Porto to Montreal?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Montreal from Porto.

Can I find flights from Porto to Montreal with flexible booking policies on momondo?

Flights from Porto to Montreal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Porto to Montreal?

momondo provides multiple filters to help you find the best flight to Montreal from Porto. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Porto to Montreal right now. Can momondo alert me if prices change?

Price alerts on flights to Montreal from Porto are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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