$294 Cheap Flights from Montreal (YUL) to Porto (OPO)

View $294 flight on Mon, Apr 27, 2026Opens in a new window

Popular airlines from Montreal–Trudeau Intl. Airport (YUL) to Porto Airport (OPO)

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Cheap Flights from Montreal to Porto (YUL-OPO)

Prices were available within the past 7 days and start at $294 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Finnair
Fri, Mar 13 - Sat, Mar 21
YUL
Montreal
OPO
Porto
$299 Roundtrip, found 4 days ago
$299
Roundtrip
found 4 days ago
Select Finnair flight, departing Fri, Mar 13 from Montreal to Porto, returning Sat, Mar 21, priced at $299 found 4 days ago
Finnair
Wed, Feb 4 - Mon, Feb 16
YUL
Montreal
OPO
Porto
$308 Roundtrip, found 4 days ago
$308
Roundtrip
found 4 days ago
Select Finnair flight, departing Wed, Feb 4 from Montreal to Porto, returning Mon, Feb 16, priced at $308 found 4 days ago
American Airlines
Sun, Jan 25 - Tue, Mar 17
YUL
Montreal
OPO
Porto
$310 Roundtrip, found 2 days ago
$310
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Jan 25 from Montreal to Porto, returning Tue, Mar 17, priced at $310 found 2 days ago
Iberia
Fri, Jan 9 - Wed, Jan 21
YUL
Montreal
OPO
Porto
$374 Roundtrip, found 2 days ago
$374
Roundtrip
found 2 days ago
Select Iberia flight, departing Fri, Jan 9 from Montreal to Porto, returning Wed, Jan 21, priced at $374 found 2 days ago
TAP Portugal
Mon, Feb 9 - Mon, Feb 16
YUL
Montreal
OPO
Porto
$434 Roundtrip, found 23 hours ago
$434
Roundtrip
found 23 hours ago
Select TAP Portugal flight, departing Mon, Feb 9 from Montreal to Porto, returning Mon, Feb 16, priced at $434 found 23 hours ago
Delta
Mon, Jan 26 - Wed, Mar 18
YUL
Montreal
OPO
Porto
$535 Roundtrip, found 2 days ago
$535
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Jan 26 from Montreal to Porto, returning Wed, Mar 18, priced at $535 found 2 days ago
British Airways
Thu, Oct 23 - Sat, Nov 15
YUL
Montreal
OPO
Porto
$541 Roundtrip, found 2 hours ago
$541
Roundtrip
found 2 hours ago
Select British Airways flight, departing Thu, Oct 23 from Montreal to Porto, returning Sat, Nov 15, priced at $541 found 2 hours ago
Air Canada
Mon, Oct 27 - Sat, Nov 22
YUL
Montreal
OPO
Porto
$576 Roundtrip, found 9 hours ago
$576
Roundtrip
found 9 hours ago
Select Air Canada flight, departing Mon, Oct 27 from Montreal to Porto, returning Sat, Nov 22, priced at $576 found 9 hours ago
Lufthansa
Mon, Oct 27 - Sat, Nov 22
YUL
Montreal
OPO
Porto
$578 Roundtrip, found 9 hours ago
$578
Roundtrip
found 9 hours ago
Select Lufthansa flight, departing Mon, Oct 27 from Montreal to Porto, returning Sat, Nov 22, priced at $578 found 9 hours ago
SATA International-Azores Airlines S.A.
Mon, Apr 27 - Mon, May 18
YUL
Montreal
OPO
Porto
$579 Roundtrip, found 1 hour ago
$579
Roundtrip
found 1 hour ago
Select SATA International-Azores Airlines S.A. flight, departing Mon, Apr 27 from Montreal to Porto, returning Mon, May 18, priced at $579 found 1 hour ago

Find the cheapest month to fly from Montreal (YUL) to Porto (OPO)

February is typically the cheapest month to fly

From $310 - $726 per traveler.

Alternative airports near Porto

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dr. Francisco de Sa Carneiro OPO. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $607
OPO
Dr. Francisco de Sa Carneiro
CheapestClosest
Average driving time to city center14 min
Flights from $607
Flights from Montreal (YUL) to Porto (OPO)
Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Dr. Francisco de Sa Carneiro
Airlines serving
Air Canada, Air France, Air Transat, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, KLM, Lufthansa, Porter Airlines, Royal Air Maroc, SATA International-Azores Airlines S.A., Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$299
Distance
3192 mi
Average flight time
11 hours 27 mins

Montreal to Porto Flights

The cheapest times to fly from Montreal to Porto

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Montreal to Porto are during the month of March. You can find some of the cheapest flights from Montreal to Porto with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Montreal to Porto

Sunday is one of the best days to book for cheap flights from Montreal to Porto: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Montreal to Porto

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Montreal to Porto in 2025. You can also book with separate airlines for your outbound and return journeys, from $294 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Montreal to Porto flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Montreal to Porto airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Dr. Francisco de Sa Carneiro Airport (OPO) cost?
Secure a cheap one-way flight from $294 or cheap return flight from $299 from Pierre Elliott Trudeau Intl. Airport (YUL) to Dr. Francisco de Sa Carneiro Airport (OPO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Dr. Francisco de Sa Carneiro Airport (OPO)?
Planning your getaway for March is a great way to save, as it's the cheapest month for flights between YUL and OPO. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Pierre Elliott Trudeau Intl. Airport (YUL) to Dr. Francisco de Sa Carneiro Airport (OPO)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest YUL to OPO flight.
How many flights per day from Pierre Elliott Trudeau Intl. Airport (YUL) to Dr. Francisco de Sa Carneiro Airport (OPO)?
You'll need to book a flight with a layover if you're traveling from Pierre Elliott Trudeau Intl. Airport (YUL) to Dr. Francisco de Sa Carneiro Airport (OPO). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from YUL to OPO?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Dr. Francisco de Sa Carneiro Airport (OPO)?
Opt for a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Dr. Francisco de Sa Carneiro Airport (OPO) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Pierre Elliott Trudeau Intl. Airport (YUL) to Dr. Francisco de Sa Carneiro Airport (OPO) last-minute?
Last-minute bookings from YUL to OPO are usually more expensive. To lock in the best prices, start searching for flights as early as possible. That being said, if you're flexible with your travel plans, you may land a cheap fare right before your trip.
Is it cheaper to book a YUL to OPO flight and hotel package?
Booking a YUL to OPO flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our impressive range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Dr. Francisco de Sa Carneiro Airport (OPO)?
In most cases, you can cancel or modify your YUL to OPO flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you'd like more information, head to our Customer Service portal.

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*Available to One Key members.