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Cheap flights from Porto to Montreal from C$ 399

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 26/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Find the cheapest flights from Porto to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:00 a.m. - 4:00 p.m.
OPO
-
YUL
15h 00m
1 stop
Air Canada Logo
4:40 p.m. - 6:15 p.m.
YUL
-
OPO
20h 35m
1 stop
C$ 673Air Canada
Wed, 10 Jun - Sun, 14 Jun
Multiple Airlines Logo
6:00 a.m. - 8:38 p.m.
OPO
-
YUL
19h 38m
2 stops
Multiple Airlines Logo
7:40 p.m. - 7:10 a.m.
YUL
-
OPO
6h 30mdirect
C$ 676Multiple Airlines
Thu, 11 Jun - Fri, 19 Jun
Multiple Airlines Logo
7:20 p.m. - 3:00 p.m.
OPO
-
YUL
24h 40m
1 stop
Multiple Airlines Logo
7:30 p.m. - 7:00 a.m.
YUL
-
OPO
6h 30mdirect
C$ 680Multiple Airlines
Thu, 4 Jun - Wed, 10 Jun
SWISS Logo
7:20 p.m. - 3:00 p.m.
OPO
-
YUL
24h 40m
1 stop
SWISS Logo
4:40 p.m. - 11:25 a.m.
YUL
-
OPO
13h 45m
1 stop
C$ 683SWISS
Thu, 4 Jun - Mon, 8 Jun
Multiple Airlines Logo
7:20 p.m. - 3:00 p.m.
OPO
-
YUL
24h 40m
1 stop
Multiple Airlines Logo
7:30 p.m. - 7:00 a.m.
YUL
-
OPO
6h 30mdirect
C$ 687Multiple Airlines
Thu, 4 Jun - Wed, 10 Jun
Multiple Airlines Logo
7:20 p.m. - 3:00 p.m.
OPO
-
YUL
24h 40m
1 stop
Multiple Airlines Logo
8:40 p.m. - 11:25 p.m.
YUL
-
OPO
21h 45m
1 stop
C$ 690Multiple Airlines
Thu, 4 Jun - Wed, 10 Jun
Multiple Airlines Logo
7:20 p.m. - 3:00 p.m.
OPO
-
YUL
24h 40m
1 stop
Multiple Airlines Logo
7:30 p.m. - 7:00 a.m.
YUL
-
OPO
6h 30mdirect
C$ 692Multiple Airlines
Thu, 4 Jun - Wed, 10 Jun
Multiple Airlines Logo
7:20 p.m. - 3:00 p.m.
OPO
-
YUL
24h 40m
1 stop
Multiple Airlines Logo
7:30 p.m. - 7:00 a.m.
YUL
-
OPO
6h 30mdirect
C$ 694Multiple Airlines
Thu, 4 Jun - Wed, 10 Jun
Multiple Airlines Logo
7:20 p.m. - 3:00 p.m.
OPO
-
YUL
24h 40m
1 stop
Multiple Airlines Logo
7:30 p.m. - 7:00 a.m.
YUL
-
OPO
6h 30mdirect
C$ 695Multiple Airlines
Thu, 4 Jun - Wed, 10 Jun
Air Transat Logo
8:25 a.m. - 10:40 a.m.
OPO
-
YUL
7h 15mdirect
Air Transat Logo
7:25 p.m. - 6:45 a.m.
YUL
-
OPO
6h 20mdirect
C$ 697Air Transat
Sun, 7 Jun - Sat, 13 Jun

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Air Canada flights from Porto to Montreal Pierre Elliott Trudeau Intl Airport

Our best Air Canada deals on Porto to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Air Canada
10 Jun
OPO6:00 a.m.Porto
15h 00m
1 stop
YUL4:00 p.m.Montreal Pierre Elliott Trudeau Intl
14 Jun
YUL4:40 p.m.Montreal Pierre Elliott Trudeau Intl
20h 35m
1 stop
OPO6:15 p.m.Porto
C$ 673
Air Canada
4 Jun
OPO11:50 a.m.Porto
7h 20m
YUL2:10 p.m.Montreal Pierre Elliott Trudeau Intl
10 Jun
YUL7:30 p.m.Montreal Pierre Elliott Trudeau Intl
6h 30m
OPO7:00 a.m.Porto
C$ 698
Air Canada
4 Jun
OPO11:50 a.m.Porto
7h 20m
YUL2:10 p.m.Montreal Pierre Elliott Trudeau Intl
10 Jun
YUL7:30 p.m.Montreal Pierre Elliott Trudeau Intl
6h 30m
OPO7:00 a.m.Porto
C$ 706

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
15 May
OPO12:35 p.m.Porto
14h 31m
1 stop
YUL10:06 p.m.Montreal Pierre Elliott Trudeau Intl
30 May
YUL11:23 a.m.Montreal Pierre Elliott Trudeau Intl
17h 22m
1 stop
OPO9:45 a.m.Porto
C$ 865
United Airlines
15 May
OPO12:35 p.m.Porto
14h 31m
1 stop
YUL10:06 p.m.Montreal Pierre Elliott Trudeau Intl
30 May
YUL4:25 p.m.Montreal Pierre Elliott Trudeau Intl
12h 20m
1 stop
OPO9:45 a.m.Porto
C$ 898
United Airlines
15 May
OPO6:00 a.m.Porto
18h 45m
2 stops
YUL7:45 p.m.Montreal Pierre Elliott Trudeau Intl
30 May
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
16h 40m
2 stops
OPO6:55 a.m.Porto
C$ 902

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 5 May 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

Cheapest round-trip

PortoMontreal

OPO - YUL

OPOYUL

Porto

Wed 10/6

6:00 a.m.-4:00 p.m.

1 stop15h 00m

Montreal Pierre Elliott Trudeau Intl

Sun 14/6

4:40 p.m.-6:15 p.m.

1 stop20h 35m

C$ 673

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 11/6

6:00 a.m.-8:38 p.m.

2 stops19h 38m

Montreal Pierre Elliott Trudeau Intl

Fri 19/6

7:40 p.m.-7:10 a.m.

Nonstop6h 30m

C$ 676

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 4/6

7:20 p.m.-3:00 p.m.

1 stop24h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

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

Nonstop6h 30m

C$ 680

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 4/6

7:20 p.m.-3:00 p.m.

1 stop24h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

4:40 p.m.-11:25 a.m.

1 stop13h 45m

C$ 683

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 4/6

7:20 p.m.-3:00 p.m.

1 stop24h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

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

Nonstop6h 30m

C$ 687

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 4/6

7:20 p.m.-3:00 p.m.

1 stop24h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

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

1 stop21h 45m

C$ 690

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 4/6

7:20 p.m.-3:00 p.m.

1 stop24h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

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

Nonstop6h 30m

C$ 692

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 4/6

7:20 p.m.-3:00 p.m.

1 stop24h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

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

Nonstop6h 30m

C$ 694

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 4/6

7:20 p.m.-3:00 p.m.

1 stop24h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

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

Nonstop6h 30m

C$ 695
Quickest round-trip

PortoMontreal

OPO - YUL

OPOYUL

Porto

Sun 7/6

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

Nonstop7h 15m

Montreal Pierre Elliott Trudeau Intl

Sat 13/6

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

Nonstop6h 20m

C$ 697

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 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 February is, on average, the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from Porto, with most prices found around C$ 0. 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 Friday when prices can be found for as low as C$ 663. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday 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$ 1,323.

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

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

You could potentially save up to 4% 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 May 2026, prices for Porto to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 1% 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

Best price found

C$ 459

Fastest flight time

7h 15m

Direct flights

Every day
The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from Porto in the past 72 hours is C$ 459. The best round-trip flight deal from Porto to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is C$ 657.
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

Frequently asked questions about flying from Porto to Montreal Pierre Elliott Trudeau Intl Airport

  • 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$ 575Free CancellationRating
7.8
548 reviews
Search Air Transat flights

  • Air Transat Flights From Porto to Montreal Pierre Elliott Trudeau Intl Airport

    Air Transat flies from Porto to Montreal Pierre Elliott Trudeau Intl Airport around 3 times per week, with 548 momondo users rating the airline 7.8/10. The cheapest Air Transat deal from Porto to Montreal Pierre Elliott Trudeau Intl Airport in the last 72 hours was C$ 575 (round-trip), much lower than the average airfare cost of C$ 651 for Air Transat flights on this route.

Travelling to a place near Montreal?

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