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Cheap flights from Porto to Montreal Pierre Elliott Trudeau Intl Airport from C$ 368

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — YUL
27 Aug — 3 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Porto to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

Cheapest flights from Porto to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Porto to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 July 2026.

Tue 8/98:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Wed 23/98:35 p.m.
YUL
-
OPO
1 stop10h 20m
Air Transat
Deal found 27/7C$ 628
Fri 11/98:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Mon 21/97:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Deal found 25/7C$ 630
Fri 11/94:00 p.m.
OPO
-
YUL
1 stop10h 10m
TAP AIR PORTUGAL
Mon 21/910:45 p.m.
YUL
-
OPO
1 stop16h 40m
TAP AIR PORTUGAL
Deal found 25/7C$ 636
Fri 18/98:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Thu 24/97:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Deal found 27/7C$ 640
Tue 8/98:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Tue 22/97:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Deal found 27/7C$ 642
Wed 2/98:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Thu 8/107:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Deal found 23/7C$ 643
Wed 9/911:00 a.m.
OPO
-
YUL
1 stop14h 45m
TAP AIR PORTUGAL
Wed 16/910:45 p.m.
YUL
-
OPO
1 stop20h 55m
TAP AIR PORTUGAL
Deal found 26/7C$ 646
Wed 23/95:05 a.m.
OPO
-
YUL
1 stop20h 40m
TAP AIR PORTUGAL
Mon 28/910:45 p.m.
YUL
-
OPO
1 stop20h 55m
TAP AIR PORTUGAL
Deal found 24/7C$ 647
Tue 22/98:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Sat 3/107:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Deal found 26/7C$ 649

Find flight deals from Porto to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Pierre Elliott Trudeau Intl (YUL). 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 28 July 2026.

Round-trip from

C$ 628

One-way from

C$ 368

Popular in

October

Cheapest in

September

Average price

C$ 893

Good one-way deal

C$ 520 or less
Air Transat
  • Air Transat
  • 8/9-23/9
  • 1 total stop
  • 17h 35m total
  • Porto to Montreal
Search Deals
Iberia
  • Iberia
  • 8/10
  • 2 total stops
  • 27h 15m total
  • Porto to Montreal
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 60 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a one-way flight from Porto to Montreal Pierre Elliott Trudeau Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto to Pierre Elliott Trudeau Intl 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 28 July 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
Quickest round-trip

PortoMontreal

OPO - YUL

OPOYUL

Porto

Tue 8/9

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

Nonstop7h 15m

Montreal Pierre Elliott Trudeau Intl

Tue 22/9

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

Nonstop6h 20m

C$ 642

PortoMontreal

OPO - YUL

OPOYUL

Porto

Tue 8/9

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

Nonstop7h 15m

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

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

1 stop10h 10m

C$ 653

PortoMontreal

OPO - YUL

OPOYUL

Porto

Fri 11/9

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

Nonstop7h 15m

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

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

1 stop10h 10m

C$ 653

PortoMontreal

OPO - YUL

OPOYUL

Porto

Fri 27/11

12:05 p.m.-1:20 p.m.

2 stops30h 15m

Montreal Pierre Elliott Trudeau Intl

Fri 4/12

4:40 p.m.-11:15 a.m.

1 stop13h 35m

C$ 766

PortoMontreal

OPO - YUL

OPOYUL

Porto

Wed 26/8

11:20 a.m.-1:25 p.m.

Nonstop7h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

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

1 stop21h 45m

C$ 778

PortoMontreal

OPO - YUL

OPOYUL

Porto

Fri 14/8

9:00 a.m.-10:40 a.m.

2 stops30h 40m

Montreal Pierre Elliott Trudeau Intl

Fri 21/8

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

2 stops31h 25m

C$ 793

PortoMontreal

OPO - YUL

OPOYUL

Porto

Wed 23/9

6:45 p.m.-1:50 p.m.

2 stops24h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 28/9

4:40 p.m.-1:45 p.m.

2 stops16h 05m

C$ 794

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 15/10

8:40 a.m.-7:21 p.m.

2 stops15h 41m

Montreal Pierre Elliott Trudeau Intl

Mon 26/10

7:50 p.m.-11:15 a.m.

2 stops35h 25m

C$ 822

PortoMontreal

OPO - YUL

OPOYUL

Porto

Tue 11/8

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

1 stop15h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 19/8

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

Nonstop6h 15m

C$ 829

PortoMontreal

OPO - YUL

OPOYUL

Porto

Sat 7/11

6:00 a.m.-7:48 p.m.

2 stops18h 48m

Montreal Pierre Elliott Trudeau Intl

Sat 14/11

8:30 a.m.-9:30 a.m.

2 stops20h 00m

C$ 835

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/7

Showing 1-10 of 23 resultsSorted by cheapest first
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3

Best time to book a flight from Porto to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Porto 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 Porto to Montreal Pierre Elliott Trudeau Intl Airport

What is the cheapest time of day to fly from OPO to YUL?

Find hourly flight availability from Porto to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 July 2026.

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

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

Airfare is below average for this route at the moment.

Porto to Montreal Pierre Elliott Trudeau Intl Airport flights typically cost between C$ 896 and C$ 1,020 in September.
The cheapest round-trip price found within the last 5 days was C$ 628 on Air Transat (8 Sep-23 Sep).

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl. Reviews last updated 28 July 2026.
Read reviews from past customers who have flown Air Transat from Porto to Montreal Pierre Elliott Trudeau Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
568 reviews
Check prices

Food

6.8

Crew

8.5

Entertainment

7.1

Comfort

7.3

Overall

7.8

Boarding

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
568 reviews
Air Transat
7.8
Good
568 reviews
Check prices

Food

6.8

Crew

8.5

Entertainment

7.1

Comfort

7.3

Overall

7.8

Boarding

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

Related info for your journey

Find useful and relevant information for your journey from Porto to Pierre Elliott Trudeau Intl. 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 from for flights from Porto to Montreal Pierre Elliott Trudeau Intl?

    Porto (OPO) is the airport you will fly out of if you book a flight from Porto to Montreal Pierre Elliott Trudeau Intl. You should not have trouble finding flights to Montreal Pierre Elliott Trudeau Intl from Porto; the airport handles an average of 2 outbound flights to Montreal Pierre Elliott Trudeau Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Porto airport to Montreal Pierre Elliott Trudeau Intl. It is only a 10.9 km journey to Porto (OPO) from Porto’s city centre.

  • How long is the flight from Porto to Montreal Pierre Elliott Trudeau Intl Airport?

    Air Transat, United Airlines, and Lufthansa can get you from Porto to Montreal Pierre Elliott Trudeau Intl Airport in just under 7h 15m. Your travel time can differ by up to 7h 45m. The distance between Porto and Montreal Pierre Elliott Trudeau Intl Airport is about 5132 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from Porto to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Air Transat, at C$ 596, was found to be the cheapest airline from Porto to Montreal Pierre Elliott Trudeau Intl Airport.. Air Transat is priced at 30% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is Air Transat, with whom users have recently found tickets for as low as C$ 373. However, be on the lookout for offers from TAP AIR PORTUGAL and Azores Airlines, as they are both options that can get you from Porto to Montreal Pierre Elliott Trudeau Intl Airport for a low price.

  • What are the most reliable airlines from Porto to Montreal Pierre Elliott Trudeau Intl Airport?

    Before booking your flight to Montreal Pierre Elliott Trudeau Intl Airport from Porto, check out the most reliable airlines to get you to your destination on time: United Airlines (84%), Porter Airlines (77%), Air Transat( 77%).

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

    The cheapest flight price from Porto to Montreal Pierre Elliott Trudeau Intl Airport is C$ 470. On average you can expect to pay C$ 632. The most popular route, (Porto - Montreal Pierre Elliott Trudeau Intl), can usually be booked for C$ 640.

  • Can I find deals for flights from Porto to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on Porto to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Porto to Pierre Elliott Trudeau Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Pierre Elliott Trudeau Intl.

  • Can I find deals for business class flights from Porto to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from Porto to Pierre Elliott Trudeau Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Porto to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
Lisbon to Pierre Elliott Trudeau Intl flights

Top airline flying from Porto to Pierre Elliott Trudeau Intl

Discover the top airline that operate flights from Porto to Pierre Elliott Trudeau Intl. 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 28 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 596AverageC$ 681FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

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

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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 Pierre Elliott Trudeau Intl from Porto.

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

Need flexible booking options for your flight to Pierre Elliott Trudeau Intl from Porto? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Pierre Elliott Trudeau Intl from Porto today and book when prices fit your budget.

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