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Cheap flights from Montreal to Porto from C$ 344

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — OPO
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Montreal to Porto are usually found in January or November, booked 47 days in advance, depart on a Tuesday or Monday and return on a Friday

Cheap flight deals from Montreal to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) to Porto (OPO). 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 16 September 2025.

Round-trip from

C$ 740

One-way from

C$ 344

Popular in

December

Cheapest in

January

Average price

C$ 903

Good round-trip deal

C$ 883 or less

Good one-way deal

C$ 605 or less
Delta
  • Delta
  • 18/1-4/2
  • 2 total stops
  • 26h 45m total
  • Montreal to Porto
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11/10
  • 11/10
  • 2 total stops
  • 17h 50m total
  • Montreal to Porto
Search Deals
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease (C$ 38 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Montreal (YMQ) to Porto.
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Price to beat on a one-way flight from Montreal (YMQ) to Porto.
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Find flight deals from Montreal to Porto

Cheapest flights from Montreal to Porto
Explore the most affordable flight options available from Montreal to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Mon 8/128:40 p.m.YUL - OPO
1 stop15h 00mBritish Airways
Sun 14/128:20 a.m.OPO - YUL
2 stops15h 25mBritish Airways
Deal found 14/9C$ 749
Sat 11/106:00 p.m.YUL - OPO
2 stops17h 50mMultiple Airlines
Mon 15/1212:40 p.m.OPO - YUL
1 stop12h 05mMultiple Airlines
Deal found 14/9C$ 752
Sat 11/106:00 p.m.YUL - OPO
2 stops17h 50mMultiple Airlines
Fri 12/1212:00 p.m.OPO - YUL
1 stop13h 15mMultiple Airlines
Deal found 14/9C$ 753
Thu 6/117:05 p.m.YUL - OPO
1 stop10h 20mDelta
Fri 14/116:30 a.m.OPO - YUL
1 stop15h 50mDelta
Deal found 15/9C$ 760
Wed 1/107:00 p.m.YUL - OPO
1 stop32h 25mKLM
Mon 1/126:30 a.m.OPO - YUL
1 stop15h 50mKLM
Deal found 14/9C$ 763
Sun 16/119:45 p.m.YUL - OPO
1 stop10h 15mTAP AIR PORTUGAL
Thu 27/118:00 p.m.OPO - YUL
1 stop29h 15mTAP AIR PORTUGAL
Deal found 15/9C$ 767
Tue 7/106:50 p.m.YUL - OPO
1 stop10h 50mKLM
Sun 14/124:10 p.m.OPO - YUL
1 stop30h 10mKLM
Deal found 14/9C$ 768
Mon 6/105:00 p.m.YUL - OPO
1 stop17h 30mDelta
Tue 16/1211:10 a.m.OPO - YUL
1 stop14h 40mDelta
Deal found 14/9C$ 769
Fri 7/114:45 p.m.YUL - OPO
1 stop13h 25mMultiple Airlines
Wed 12/1112:10 p.m.OPO - YUL
1 stop32h 00mMultiple Airlines
Deal found 14/9C$ 775
Tue 7/106:50 p.m.YUL - OPO
1 stop10h 50mDelta
Sat 13/1211:25 a.m.OPO - YUL
1 stop14h 25mDelta
Deal found 14/9C$ 776
Mon 3/119:45 p.m.YUL - OPO
1 stop10h 20mTAP AIR PORTUGAL
Mon 17/1110:10 a.m.OPO - YUL
1 stop15h 05mTAP AIR PORTUGAL
Deal found 15/9C$ 778
Mon 15/97:25 p.m.YUL - OPO
Nonstop6h 20mAir Transat
Tue 23/91:30 p.m.OPO - YUL
1 stop32h 50mAir Transat
Deal found 14/9C$ 779

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal to Porto 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 16 September 2025.
Use the filters below to find and compare flights from Montreal to Porto that are best for you.

Fly from

Montreal

Fly to

Porto

Route

Depart

Return

Price

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

5:00 p.m.-10:30 a.m.

1 stop12h 30m

Porto

Fri 6/2

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

1 stop15h 50m

C$ 740

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

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

1 stop10h 25m

Porto

Mon 2/2

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

1 stop15h 50m

C$ 740

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

5:00 p.m.-10:15 a.m.

1 stop12h 15m

Porto

Wed 4/2

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

1 stop16h 20m

C$ 740

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 8/12

8:40 p.m.-4:40 p.m.

1 stop15h 00m

Porto

Sun 14/12

8:20 a.m.-6:45 p.m.

2 stops15h 25m

C$ 749

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 8/12

8:40 p.m.-4:40 p.m.

1 stop15h 00m

Porto

Mon 15/12

8:40 p.m.-6:45 p.m.

2 stops27h 05m

C$ 749

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Sat 22/11

5:00 p.m.-10:30 a.m.

1 stop12h 30m

Porto

Fri 28/11

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

1 stop15h 50m

C$ 760

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

5:00 p.m.-10:15 a.m.

1 stop12h 15m

Porto

Mon 1/12

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

1 stop15h 50m

C$ 760

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Wed 1/10

7:00 p.m.-8:25 a.m.

1 stop32h 25m

Porto

Mon 1/12

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

1 stop15h 50m

C$ 763

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Tue 7/10

6:50 p.m.-10:40 a.m.

1 stop10h 50m

Porto

Sun 14/12

4:10 p.m.-5:20 p.m.

1 stop30h 10m

C$ 768

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

6:50 p.m.-10:15 p.m.

1 stop22h 25m

Porto

Sun 14/12

4:10 p.m.-5:20 p.m.

1 stop30h 10m

C$ 768

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 20 results
1
2

Best time to book a flight from Montreal to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Montreal 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 Montreal to Porto

How far ahead should I book a flight from Montreal to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Montreal to Porto. Price data was last updated on 12 September 2025.

To ensure you get the cheapest price possible for a flight from Montreal to Porto, you should look to book at least 47 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Montreal to Porto?

Currently, January is the cheapest month in which you can book a flight from Montreal to Porto (average of C$ 483). Flying from Montreal to Porto in July is currently the most expensive (average of C$ 791). 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 YMQ to OPO?

Find hourly flight availability from Montreal to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 September 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 15% on flights from Montreal to Porto by exploring options for tickets in the evening.

What’s the top layover airport for flights from Montreal to Porto?

Share of one-stop round-trip flights from Montreal to Porto chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YYZ) – chosen by Cheapflights users on 37% of one-stop itineraries from Montreal to Porto on Cheapflights.

What’s the cheapest layover airport for flights from Montreal to Porto?

Average round-trip fare for 1-stop flights from Montreal to Porto, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Paris (CDG) is the most affordable 1-stop option, with an average round-trip price of C$ 771.

What’s the fastest layover option from Montreal to Porto?

Shortest average travel time for 1-stop one-way flights from Montreal to Porto, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Ponta Delgada (PDL) have the shortest average one-way travel time for 1-stop routes: 9h 14m.

Which airport typically offers the quickest layover for flights from Montreal to Porto?

Average layover duration for 1-stop one-way flights from Montreal to Porto, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Paris (CDG) offer the fastest connection on this route, with an average layover time of 1h 15m.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated 16 September 2025.
Read reviews from past customers who have flown Porter Airlines,Air Transat, andAzores Airlines from Montreal to Porto. 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.
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Azores Airlines
7.5
Good
73 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
TAP AIR PORTUGAL
7.1
Good
1,975 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Montreal to Porto. 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 into for flights to Porto from Montreal?

    If you book a flight to Porto from Montreal, you will be flying to Porto, which is the city’s only airport. Porto (OPO) is located 10.9 km from the centre of Porto. There is 1 flight from Montreal to Porto per day from 7 different airlines.

  • How long is the flight from Montreal to Porto?

    Delta and British Airways can get you from Montreal to Porto in just under 12h 15m. Your travel time can differ by up to 2h 45m. The distance between Montreal and Porto is about 5132 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Montreal to Porto round-trip?

    Cheapflights users have booked flights from Montreal to Porto round-trip from C$ 634. Other airlines that can offer you cheap pricing are Azores Airlines, from C$ 686, and TAP AIR PORTUGAL, from C$ 743. Lufthansa is 30% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Montreal to Porto?

    Consider Air Canada (76%), United Airlines (76%) or Lufthansa (76%) when booking your flight. These represent the most reliable airlines when flying from Montreal to Porto.

  • What are the cheapest flights from Montreal to Porto?

    On average you can expect to pay C$ 854 for a flight from Montreal to Porto. The cheapest flight overall is C$ 490 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Porto) is currently priced at C$ 508.

  • Can I find deals for flights from Montreal to Porto that include hotel bookings?

    Yes. In addition to deals on Montreal to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montreal to Porto?

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

  • Can I find deals for business class flights from Montreal to Porto?

    Yes. Cheapflights offers flight deals from Montreal to Porto 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 Montreal to Porto?

    Currently, January is the cheapest month in which you can book a flight from Montreal to Porto (average of C$ 483). Flying from Montreal to Porto in July is currently the most expensive (average of C$ 791). 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 Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Esposende

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Fly from Montreal to Porto on these airlines

Choose from the following airlines for your flight from Montreal to Porto. Flights are based on user searches made on Cheapflights and were last updated on 16 September 2025.
Air Transat flights from Montreal to Porto
Air Canada flights from Montreal to Porto
TAP AIR PORTUGAL flights from Montreal to Porto

Top 7 airlines flying from Montreal to Porto

Discover the top 7 airlines that operate flights from Montreal to Porto. 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 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapestC$ 634AverageC$ 1,029FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Azores AirlinesCheapestC$ 686AverageC$ 795FlexibilityNo cancel feeOn-time74%
Search Azores Airlines flights
TAP AIR PORTUGALCheapestC$ 743AverageC$ 878FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapestC$ 743AverageC$ 824FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air TransatCheapestC$ 756AverageC$ 944FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 765AverageC$ 894FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 790AverageC$ 1,023FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Montreal to Porto?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Montreal to Porto. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Montreal to Porto?

Cheapflights helps you find that perfect flight to Porto from Montreal by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Montreal to Porto with no change fees?

Need flexible booking options for your flight to Porto from Montreal? 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 Montreal to Porto become cheaper?

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

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