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Cheap flights from Porto to Montreal from C$ 326

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 14/3. 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.
Lufthansa Logo
6:15 a.m. - 6:20 p.m.
OPO
-
YUL
17h 05m
1 stop
Lufthansa Logo
6:55 p.m. - 2:45 p.m.
YUL
-
OPO
15h 50m
1 stop
C$ 600Lufthansa
Mon, 2 Mar - Tue, 10 Mar
SWISS Logo
12:05 p.m. - 2:55 p.m.
OPO
-
YUL
31h 50m
1 stop
SWISS Logo
5:55 p.m. - 11:15 a.m.
YUL
-
OPO
13h 20m
1 stop
C$ 612SWISS
Mon, 2 Mar - Mon, 9 Mar
KLM Logo
5:00 a.m. - 6:20 p.m.
OPO
-
YUL
17h 20m
1 stop
KLM Logo
8:10 p.m. - 10:20 p.m.
YUL
-
OPO
22h 10m
1 stop
C$ 616KLM
Fri, 13 Mar - Fri, 20 Mar
KLM Logo
5:00 a.m. - 6:20 p.m.
OPO
-
YUL
17h 20m
1 stop
KLM Logo
8:10 p.m. - 10:20 p.m.
YUL
-
OPO
22h 10m
1 stop
C$ 618KLM
Fri, 13 Mar - Fri, 20 Mar
SWISS Logo
7:20 p.m. - 7:22 p.m.
OPO
-
YUL
29h 02m
2 stops
SWISS Logo
5:55 p.m. - 11:15 a.m.
YUL
-
OPO
13h 20m
1 stop
C$ 623SWISS
Mon, 2 Mar - Mon, 9 Mar
SWISS Logo
7:20 p.m. - 7:22 p.m.
OPO
-
YUL
29h 02m
2 stops
SWISS Logo
9:15 p.m. - 1:25 p.m.
YUL
-
OPO
12h 10m
1 stop
C$ 645SWISS
Mon, 2 Mar - Tue, 10 Mar
KLM Logo
5:00 a.m. - 6:20 p.m.
OPO
-
YUL
17h 20m
1 stop
KLM Logo
6:50 p.m. - 6:20 p.m.
YUL
-
OPO
18h 30m
1 stop
C$ 657KLM
Wed, 11 Mar - Tue, 31 Mar
Multiple Airlines Logo
7:20 p.m. - 3:55 p.m.
OPO
-
YUL
24h 35m
1 stop
Multiple Airlines Logo
8:40 p.m. - 11:25 p.m.
YUL
-
OPO
21h 45m
1 stop
C$ 658Multiple Airlines
Wed, 11 Mar - Tue, 31 Mar
SWISS Logo
7:20 p.m. - 7:22 p.m.
OPO
-
YUL
29h 02m
2 stops
SWISS Logo
7:35 p.m. - 6:35 p.m.
YUL
-
OPO
19h 00m
2 stops
C$ 661SWISS
Mon, 2 Mar - Mon, 9 Mar
United Airlines Logo
6:00 a.m. - 11:33 a.m.
OPO
-
YUL
34h 33m
2 stops
United Airlines Logo
8:00 p.m. - 9:45 a.m.
YUL
-
OPO
32h 45m
2 stops
C$ 671United Airlines
Thu, 7 May - Sun, 10 May

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
13 Mar
OPO5:00 a.m.Porto
17h 20m
1 stop
YUL6:20 p.m.Montreal Pierre Elliott Trudeau Intl
20 Mar
YUL8:10 p.m.Montreal Pierre Elliott Trudeau Intl
22h 10m
1 stop
OPO10:20 p.m.Porto
C$ 616
KLM
13 Mar
OPO5:00 a.m.Porto
17h 20m
1 stop
YUL6:20 p.m.Montreal Pierre Elliott Trudeau Intl
20 Mar
YUL8:10 p.m.Montreal Pierre Elliott Trudeau Intl
22h 10m
1 stop
OPO10:20 p.m.Porto
C$ 618
KLM
11 Mar
OPO5:00 a.m.Porto
17h 20m
1 stop
YUL6:20 p.m.Montreal Pierre Elliott Trudeau Intl
31 Mar
YUL6:50 p.m.Montreal Pierre Elliott Trudeau Intl
18h 30m
1 stop
OPO6:20 p.m.Porto
C$ 657

United Airlines flights from Porto to Montreal Pierre Elliott Trudeau Intl Airport

Our best United Airlines deals on Porto to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
United Airlines
7 May
OPO6:00 a.m.Porto
34h 33m
2 stops
YUL11:33 a.m.Montreal Pierre Elliott Trudeau Intl
10 May
YUL8:00 p.m.Montreal Pierre Elliott Trudeau Intl
32h 45m
2 stops
OPO9:45 a.m.Porto
C$ 671
United Airlines
2 Mar
OPO6:00 a.m.Porto
18h 48m
2 stops
YUL7:48 p.m.Montreal Pierre Elliott Trudeau Intl
10 Mar
YUL8:25 a.m.Montreal Pierre Elliott Trudeau Intl
21h 05m
2 stops
OPO9:30 a.m.Porto
C$ 673
United Airlines
13 Mar
OPO6:00 a.m.Porto
41h 48m
2 stops
YUL7:48 p.m.Montreal Pierre Elliott Trudeau Intl
20 Mar
YUL7:00 p.m.Montreal Pierre Elliott Trudeau Intl
36h 40m
2 stops
OPO11:40 a.m.Porto
C$ 677

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 29 January 2026.
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 2/3

6:15 a.m.-6:20 p.m.

1 stop17h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

6:55 p.m.-2:45 p.m.

1 stop15h 50m

C$ 600

PortoMontreal

OPO - YUL

OPOYUL

Porto

Mon 2/3

12:05 p.m.-2:55 p.m.

1 stop31h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

5:55 p.m.-11:15 a.m.

1 stop13h 20m

C$ 612

PortoMontreal

OPO - YUL

OPOYUL

Porto

Fri 13/3

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

1 stop17h 20m

Montreal Pierre Elliott Trudeau Intl

Fri 20/3

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

1 stop22h 10m

C$ 616

PortoMontreal

OPO - YUL

OPOYUL

Porto

Fri 13/3

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

1 stop17h 20m

Montreal Pierre Elliott Trudeau Intl

Fri 20/3

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

1 stop22h 10m

C$ 618

PortoMontreal

OPO - YUL

OPOYUL

Porto

Mon 2/3

7:20 p.m.-7:22 p.m.

2 stops29h 02m

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

5:55 p.m.-11:15 a.m.

1 stop13h 20m

C$ 623

PortoMontreal

OPO - YUL

OPOYUL

Porto

Mon 2/3

7:20 p.m.-7:22 p.m.

2 stops29h 02m

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

9:15 p.m.-1:25 p.m.

1 stop12h 10m

C$ 645

PortoMontreal

OPO - YUL

OPOYUL

Porto

Wed 11/3

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

1 stop17h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

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

1 stop18h 30m

C$ 657

PortoMontreal

OPO - YUL

OPOYUL

Porto

Wed 11/3

7:20 p.m.-3:55 p.m.

1 stop24h 35m

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

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

1 stop21h 45m

C$ 658

PortoMontreal

OPO - YUL

OPOYUL

Porto

Mon 2/3

7:20 p.m.-7:22 p.m.

2 stops29h 02m

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

7:35 p.m.-6:35 p.m.

2 stops19h 00m

C$ 661

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 7/5

6:00 a.m.-11:33 a.m.

2 stops34h 33m

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

8:00 p.m.-9:45 a.m.

2 stops32h 45m

C$ 671

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 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$ 443. 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$ 577.

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$ 681. 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$ 793.

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 2 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.

Can stopping save me money on Porto to Montreal Pierre Elliott Trudeau Intl Airport flights?

You could potentially save up to 40% on your flight if you consider stops on a Porto to Montreal Pierre Elliott Trudeau Intl Airport flight.

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

As of January 2026, prices for Porto to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 240% more expensive 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

Every day
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 every day.
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. 7h 15m 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$ 573Free CancellationRating
7.7
501 reviews
Search Air Transat flights
Air CanadaPriceFrom C$ 585Free CancellationRating
7.1
10,667 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
Trois-Rivières
Montebello
Sherbrooke
Brossard
Longueuil
Dorval
Cornwall
Boucherville
North Hatley
Magog
Drummondville
Saint-Sauveur
Bromont
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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