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Cheap flights from Montreal to Porto from C$ 406

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — OPO
20 Jul — 27 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal to Porto are usually found in January or May, booked 87 days in advance, depart on a Sunday or Monday and return on a Thursday

Cheap flight deals from Montreal to Porto

Enter your travel dates to find the best prices.

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 20 June 2026.

Mon 13/72:35 p.m.
YUL
-
OPO
1 stop16h 10m
Porter Airlines
Tue 21/71:30 p.m.
OPO
-
YUL
1 stop11h 02m
Porter Airlines
Deal found 19/6C$ 766
Sun 16/86:05 p.m.
YUL
-
OPO
1 stop12h 40m
Air Transat
Tue 1/98:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Deal found 17/6C$ 767
Thu 9/77:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Thu 23/71:30 p.m.
OPO
-
YUL
1 stop10h 50m
Air Transat
Deal found 18/6C$ 768
Fri 11/97:55 p.m.
YUL
-
OPO
Nonstop6h 15m
Air Canada
Thu 1/1011:50 a.m.
OPO
-
YUL
Nonstop7h 50m
Air Canada
Deal found 20/6C$ 770
Wed 8/77:30 p.m.
YUL
-
OPO
Nonstop6h 30m
Lufthansa
Tue 21/712:15 p.m.
OPO
-
YUL
Nonstop7h 20m
Lufthansa
Deal found 19/6C$ 771
Mon 13/77:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Wed 19/88:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Deal found 19/6C$ 773
Mon 6/77:30 p.m.
YUL
-
OPO
Nonstop6h 30m
Multiple Airlines
Mon 13/711:15 a.m.
OPO
-
YUL
Nonstop7h 20m
Multiple Airlines
Deal found 16/6C$ 774
Sat 12/910:30 a.m.
YUL
-
OPO
2 stops29h 10m
British Airways
Mon 5/108:20 a.m.
OPO
-
YUL
2 stops30h 30m
British Airways
Deal found 19/6C$ 775
Tue 7/77:25 p.m.
YUL
-
OPO
Nonstop6h 20m
Air Transat
Wed 22/78:25 a.m.
OPO
-
YUL
Nonstop7h 15m
Air Transat
Deal found 16/6C$ 780
Fri 11/910:30 a.m.
YUL
-
OPO
2 stops27h 35m
British Airways
Sat 19/98:20 a.m.
OPO
-
YUL
2 stops30h 29m
British Airways
Deal found 18/6C$ 781

Find 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 20 June 2026.

Round-trip from

C$ 766

One-way from

C$ 406

Popular in

December

Cheapest in

January

Average price

C$ 894

Good round-trip deal

C$ 831 or less

Good one-way deal

C$ 562 or less
Porter Airlines
  • Porter Airlines
  • 13/7-21/7
  • 2 total stops
  • 27h 12m total
  • Montreal to Porto
Search Deals
25/8
  • 25/8
  • 3 total stops
  • 24h 15m total
  • Montreal to Porto
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Montreal (YMQ) to Porto.
Search Deals
Price to beat on a one-way flight from Montreal (YMQ) to Porto.
Search Deals

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 20 June 2026.
Use the filters below to find and compare flights from Montreal to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Fri 10/7

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

Nonstop6h 30m

Porto

Thu 16/7

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

1 stop15h 00m

C$ 828

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 20/7

6:00 a.m.-6:55 a.m.

1 stop19h 55m

Porto

Mon 27/7

12:35 p.m.-4:10 p.m.

1 stop32h 35m

C$ 845

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 6/7

3:25 p.m.-9:45 a.m.

1 stop13h 20m

Porto

Mon 13/7

12:35 p.m.-6:20 p.m.

2 stops34h 45m

C$ 853

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 6/7

3:25 p.m.-6:55 a.m.

1 stop10h 30m

Porto

Sun 12/7

9:00 a.m.-5:24 p.m.

1 stop13h 24m

C$ 870

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Fri 10/7

2:20 p.m.-9:45 a.m.

2 stops14h 25m

Porto

Tue 14/7

9:00 a.m.-5:24 p.m.

1 stop13h 24m

C$ 870

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Sat 4/7

2:20 p.m.-9:45 a.m.

2 stops14h 25m

Porto

Tue 21/7

9:00 a.m.-5:24 p.m.

1 stop13h 24m

C$ 877

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Fri 21/8

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

2 stops31h 25m

Porto

Sat 5/9

9:00 a.m.-10:06 p.m.

1 stop18h 06m

C$ 901

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Sat 18/7

3:25 p.m.-9:45 a.m.

1 stop13h 20m

Porto

Sat 5/9

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

2 stops30h 40m

C$ 903

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Mon 24/8

3:25 p.m.-9:45 a.m.

1 stop13h 20m

Porto

Thu 29/10

12:35 p.m.-5:45 p.m.

2 stops33h 10m

C$ 958
Quickest round-trip

MontrealPorto

YUL - OPO

YULOPO

Montreal Pierre Elliott Trudeau Intl

Thu 9/7

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

Nonstop6h 20m

Porto

Sun 12/7

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

Nonstop7h 15m

C$ 1,002

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/6

Showing 1-10 of 22 resultsSorted by cheapest first
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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

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

Currently, October is the cheapest month in which you can book a flight from Montreal to Porto (average of C$ 375). Flying from Montreal to Porto in December is currently the most expensive (average of C$ 981). 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 20 June 2026.

When flying from Montreal to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Montreal to Porto?

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.

Lisbon (LIS) – chosen by Cheapflights users on 43% 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.

Ponta Delgada (PDL) 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 35m.

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 Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 2h 24m.

How often are flights from Montreal to Porto delayed?

About 27% of weekly flights between Montreal and Porto have experienced delays in the past year, with the average delay time being 111 minutes.

What is the most punctual flight time for Montreal to Porto flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Montreal to Porto flights?

Over the past year, Air Canada has had the lowest number of delays on this route, with just 21% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from Montreal to Porto, you should look to book at least 76 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.

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 20 June 2026.
Read reviews from past customers who have flown Porter Airlines,Air Transat, andTAP AIR PORTUGAL 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
8.0
Very good
438 reviews
Check prices

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

6.9

Comfort

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
438 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

6.9

Comfort

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Transat
7.8
Good
556 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

6.9

Comfort

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
TAP AIR PORTUGAL
7.2
Good
2,290 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

6.9

Comfort

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,231 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

6.9

Comfort

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Lufthansa
6.8
Okay
8,086 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

6.9

Comfort

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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 8 different airlines.

  • How long is the flight from Montreal to Porto?

    Lufthansa and United Airlines can get you from Montreal to Porto in just under 6h 30m. Your travel time can differ by up to 13h 25m. 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$ 437. Other airlines that can offer you cheap pricing are TAP AIR PORTUGAL, from C$ 656, and Azores Airlines, from C$ 712. American Airlines is 53% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Montreal to Porto one-way?

    One-way options have recently been found by users for as low as C$ 354 on Air Transat. Other airlines that offer cheap prices include Azores Airlines from C$ 391 and Porter Airlines from C$ 455 one-way.

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

    Consider Porter Airlines (48%), Air Transat (48%) or Air Canada (33%) 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$ 1,344 for a flight from Montreal to Porto. The cheapest flight overall is C$ 495 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Porto) is currently priced at C$ 724.

  • 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, October is the cheapest month in which you can book a flight from Montreal to Porto (average of C$ 375). Flying from Montreal to Porto in December is currently the most expensive (average of C$ 981). 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

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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 20 June 2026.
Air Transat flights from Montreal to Porto
Air Canada flights from Montreal to Porto
TAP AIR PORTUGAL flights from Montreal to Porto

Top 8 airlines flying from Montreal to Porto

Discover the top 8 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 20 June 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 437AverageC$ 438FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
TAP AIR PORTUGALCheapestC$ 656AverageC$ 880FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Azores AirlinesCheapestC$ 712AverageC$ 905FlexibilityNo cancel feeOn-time74%
Search Azores Airlines flights
Air TransatCheapestC$ 747AverageC$ 936FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 751AverageC$ 998FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 753AverageC$ 997FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapestC$ 761AverageC$ 825FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapestC$ 795AverageC$ 1,114FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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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