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Cheap flights from Porto to Montreal Pierre Elliott Trudeau Intl Airport from C$ 391

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — YUL
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 29 October 2025.

Round-trip from

C$ 605

One-way from

C$ 391

Popular in

October

Cheapest in

May

Average price

C$ 1,260

Good one-way deal

C$ 578 or less
KLM
  • KLM
  • 16/1-19/1
  • 2 total stops
  • 26h 15m total
  • Porto to Montreal
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 23/4
  • 1 total stop
  • 32h 05m total
  • Porto to Montreal
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 68 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Price to beat on a one-way flight from Porto to Montreal Pierre Elliott Trudeau Intl.
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Find 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 29 October 2025.

Mon 24/1112:05 p.m.OPO - YUL
1 stop32h 05mSWISS
Tue 2/124:45 p.m.YUL - OPO
1 stop13h 30mSWISS
Deal found 27/10C$ 626
Thu 13/1112:05 p.m.OPO - YUL
1 stop32h 05mMultiple Airlines
Thu 20/115:55 p.m.YUL - OPO
1 stop12h 45mMultiple Airlines
Deal found 28/10C$ 648
Sun 23/117:25 p.m.OPO - YUL
1 stop24h 45mSWISS
Mon 1/124:45 p.m.YUL - OPO
1 stop13h 30mSWISS
Deal found 27/10C$ 654
Mon 24/116:00 a.m.OPO - YUL
2 stops31h 22mAir Canada
Tue 2/124:45 p.m.YUL - OPO
1 stop13h 30mAir Canada
Deal found 29/10C$ 661
Sun 23/116:00 a.m.OPO - YUL
2 stops30h 48mAir Canada
Mon 1/124:45 p.m.YUL - OPO
1 stop13h 30mAir Canada
Deal found 27/10C$ 667
Sun 23/116:00 a.m.OPO - YUL
2 stops23h 32mMultiple Airlines
Mon 1/128:10 p.m.YUL - OPO
2 stops34h 30mMultiple Airlines
Deal found 27/10C$ 680

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 29 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

Porto

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

PortoMontreal

OPO - YUL

OPOYUL

Porto

Mon 24/11

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

1 stop32h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 2/12

4:45 p.m.-11:15 a.m.

1 stop13h 30m

C$ 626

PortoMontreal

OPO - YUL

OPOYUL

Porto

Mon 30/3

6:15 a.m.-6:50 p.m.

1 stop17h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

8:40 p.m.-11:20 p.m.

1 stop21h 40m

C$ 627

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 2/4

6:15 a.m.-6:50 p.m.

1 stop17h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

4:40 p.m.-6:30 p.m.

1 stop20h 50m

C$ 648

PortoMontreal

OPO - YUL

OPOYUL

Porto

Fri 3/4

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

1 stop17h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

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

1 stop21h 45m

C$ 648

PortoMontreal

OPO - YUL

OPOYUL

Porto

Sun 29/3

6:15 a.m.-6:50 p.m.

1 stop17h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

8:40 p.m.-11:20 p.m.

1 stop21h 40m

C$ 653

PortoMontreal

OPO - YUL

OPOYUL

Porto

Mon 24/11

6:00 a.m.-8:22 a.m.

2 stops31h 22m

Montreal Pierre Elliott Trudeau Intl

Tue 2/12

4:45 p.m.-11:15 a.m.

1 stop13h 30m

C$ 661

PortoMontreal

OPO - YUL

OPOYUL

Porto

Fri 3/4

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

1 stop17h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

3:30 p.m.-9:45 a.m.

2 stops13h 15m

C$ 682

PortoMontreal

OPO - YUL

OPOYUL

Porto

Mon 30/3

12:50 p.m.-3:00 p.m.

1 stop31h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 7/4

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

2 stops16h 05m

C$ 683

PortoMontreal

OPO - YUL

OPOYUL

Porto

Mon 27/4

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

1 stop28h 05m

C$ 391

PortoMontreal

OPO - YUL

OPOYUL

Porto

Thu 23/4

6:05 p.m.-9:10 p.m.

1 stop32h 05m

C$ 391

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

Showing 1-10 of 17 results
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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 month to book a flight from Porto to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, March is the cheapest month in which you can book a flight from Porto to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 422). Flying from Porto to Montreal Pierre Elliott Trudeau Intl Airport in October is currently the most expensive (average of C$ 824). 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 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 29 October 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 1% on flights from Porto to Montreal Pierre Elliott Trudeau Intl Airport by exploring options for tickets in the evening.

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

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 29 October 2025.
Read reviews from past customers who have flown Air Transat and Air Canada 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
469 reviews
Check prices

Crew

8.5

Overall

7.8

Food

6.8

Comfort

7.4

Boarding

7.9

Entertainment

7.1

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
469 reviews
Air Transat
7.8
Good
469 reviews
Check prices

Crew

8.5

Overall

7.8

Food

6.8

Comfort

7.4

Boarding

7.9

Entertainment

7.1

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 Canada
7.1
Good
10,371 reviews
Air Transat
7.8
Good
469 reviews
Check prices

Crew

8.5

Overall

7.8

Food

6.8

Comfort

7.4

Boarding

7.9

Entertainment

7.1

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 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day. You should also have plenty of airline options to choose from since 2 airlines have 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?

    SWISS, Lufthansa, and Air Canada can get you from Porto to Montreal Pierre Elliott Trudeau Intl Airport in just under 17h 35m. Your travel time can differ by up to 14h 30m. 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 are the cheapest airlines flying from Porto to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Air Transat, at C$ 590, was found to be the cheapest airline from Porto to Montreal Pierre Elliott Trudeau Intl Airport. An alternate airline flying to your destination would be Air Canada. Air Transat is priced at 19% lower than the current average price of a flight leaving 3 months from now.

  • 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: Air Transat (83%), Air Canada (65%), Lufthansa( 65%).

  • 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$ 418. On average you can expect to pay C$ 582. The most popular route, (Porto - Montreal Pierre Elliott Trudeau Intl), can usually be booked for C$ 605.

  • 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.

  • What is the cheapest month to book a flight from Porto to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Porto to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 422). Flying from Porto to Montreal Pierre Elliott Trudeau Intl Airport in October is currently the most expensive (average of C$ 824). 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

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
Laval
Dorval
Cornwall
Sherbrooke
Brossard
Longueuil
Montebello
Trois-Rivières
Drummondville
Saint-Jean-sur-Richelieu
Boucherville
Bromont
North Hatley
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 2 airlines flying from Porto to Pierre Elliott Trudeau Intl

Discover the top 2 airlines 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 29 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 590AverageC$ 678FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 602AverageC$ 728FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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

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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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