Cheap Flights from Montreal to Porto

Compare Montreal to Porto flight deals

Find the cheapest month or even day of the year to fly to Porto

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Flight deals from Montreal to Porto

Looking for a cheap last-minute deal or the best return flight from Montreal to Porto? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Montreal to Porto

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Montreal to Porto flights are currently cheapest in September.

Direct flights from Montreal to Porto

Montreal to Porto: Alternative routes

Compare routes from Montreal to Porto below. You may find an airport to fly into that's cheaper, faster, or easier than Porto.

Montreal to Porto: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 996
Cheapest month to flySeptember
Average flight time6 hrs, 30 mins
Most popular airlineAir Transat
Average flights per week8

Finding cheap flights from Montreal to Porto: Frequently asked questions

The best price we found for a return flight from Montreal to Porto is ر.ق.‏ 1,255. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
6 hours and 30 minutes is the average flight time from Montreal to Porto.
Air Transat, Porter Airlines and United fly direct from Montreal to Porto.
As of August 2025, there are 8 flights per week flying from Montreal to Porto.
The cheapest month to fly from Montreal to Porto is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Montreal to Porto Airport on Sunday, 8 March 2026.
Yes – the average flight time is 6 hours and 30 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Porto but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Porto is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from Montreal to Porto Airport (OPO): What you need to know

  • Montreal's main base, Montreal-Pierre Elliott Trudeau International Airport (YUL), is where many unforgettable trips begin. Explore your departure options from here for your flight from Montreal to Porto Airport (OPO).

  • The average length of a direct Montreal to Porto Airport flight is 6 hours 25 minutes.

  • Porto Airport is located in Porto. The city operates on the UTC+0 timezone and is four hours ahead of Montreal.

  • The busiest route is from Montreal-Pierre Elliott Trudeau International Airport (YUL) to Porto Airport (OPO). You can pick from 3 direct services each week. Air Transat operates a 7:25pm departure between YUL and OPO.

  • Arrive at the airport on time so you don't miss your flight from Montreal to OPO. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • If you're taking off during a bank holiday or other peak period, give yourself extra time. Get there two hours before domestic flights and up to four hours before international departures. Check-in and security lines will be longer.

Airports in Montreal

Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • Reach your destination without the detour from Montreal-Pierre Elliott Trudeau International Airport (YUL). Nonstop flights from Montreal to Porto Airport (OPO) are available from here.

  • When departing from YUL, you can catch a direct flight from Montreal to Porto Airport with Air Transat.

  • The majority of passengers prefer to fly with Air Transat between YUL and OPO.

  • Located around 26 kilometres from central Montreal, YUL can be reached in about 25 minutes by car (depending on traffic). The journey on public transport is roughly 45 minutes.

  • Want a hassle-free start to your break? Stay near Montreal-Pierre Elliott Trudeau International Airport. Whether you're catching an early flight from Montreal to Porto Airport or aren't a fan of being rushed, these hotels are just the thing:

  • Of the departures from Montreal-Pierre Elliott Trudeau International Airport, 64.89% arrive as scheduled at their destination.

  • YUL's address is 975 Romeo Vachon Street North.

St. Hubert Airport (YHU)

  • You can get to YHU from the centre of Montreal in approximately 35 minutes by car (depending on traffic conditions). The ride by public transport takes roughly 1 hour 45 minutes to cover the 40 kilometres or so.

  • Want to treat yourself to an extra night away before boarding your Montreal to OPO flight? Kick back in a hotel near St. Hubert Airport before your holiday officially begins. Here's where you can stay:

About Porto Airport (OPO)

  • The last thing you need is a long journey to your hotel if you're arriving on a late flight from Montreal to Porto Airport. Get comfy at one of these accommodation options near OPO instead:

  • Travel at your own pace with a Porto Airport rental car. Pick up your wheels from Klass Wagen, Goldcar or Drive & Go and venture far and wide through Porto and beyond.

  • For the best deal, reserve your vehicle around three weeks in advance of your Montreal to Porto Airport flight.

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport to central Porto is around 11 kilometres. If you're getting a cab or renting a car, do some research to make your trip as smooth as possible. Journey times vary depending on traffic and the time of day.

  • When travelling by public transport, expect a journey time of around 50 minutes.

How to find the cheapest flights from Montreal to Porto Airport (OPO)

  • Currently, ر.ق.‏ 996 is the lowest price we've found for a one-way ticket from Montreal to Porto Airport. The cheapest price for a return flight is ر.ق.‏ 1,255. Remember fares may change due to demand at the time of booking.

  • To snap up cheap flights from Montreal to OPO, book your ticket 11 months ahead of your departure date.

  • The best month for scoring cheap Montreal to Porto Airport tickets is April. Use the 'Whole month' tool to compare prices, then select the dates with the lowest fares.

  • Be the first to know about deals for flight tickets from Montreal to OPO by creating a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.

  • Filters make it easier to save some cash on your flight from Montreal to Porto Airport. Choose the airlines, flight times and number of stops that work for you. Then sort the results by 'Cheapest' to zero in on the cheapest fare fast.

The best time to fly from Montreal to Porto Airport (OPO)

  • August is the most popular month for flights from Montreal to Porto Airport (OPO). Visit Porto in February for a more laid-back experience.

  • The warmest month in Porto is August, with temperatures ranging between 14ºC and 32ºC. Lock in your Montreal to OPO flight ticket then if you enjoy this type of weather.

  • January sees temperatures of between 3ºC and 14ºC. Search for cheap tickets from Montreal to Porto Airport around that time if you like travelling in cooler conditions.

More about Porto

  • Start your Porto trip right by choosing the ideal place to stay. Once you've booked your flight from Montreal to Porto Airport, check out our selection of hotels including:

  • Ribeira District and Rio Douro are just a couple of the leading attractions to add to your Porto must-do list. Continue your sightseeing adventures at Livraria Lello.

Explore more of Portugal

  • Lisbon is just one of the many places in Portugal waiting to be discovered once you've seen Porto. Around 290 kilometres away to the south, its best attractions include belém, Pasteis de Belém and Real Mosteiro de Santa Maria de Belém.

  • Around 274 kilometres south of Porto, Amadora is another favourite stop in Portugal. Experience the best of this destination with a visit to Roman Villa, Park Fonte das Avencas and Park Fantasia.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.