$257 Cheap Flights from Montreal (YUL) to Porto (OPO)

View $257 flight on Mon, May 11, 2026Opens in a new window

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

Cheap Flights from Montreal to Porto (YUL-OPO)

Prices were available within the past 7 days and start at $257 for one-way flights and $514 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

SATA International-Azores Airlines S.A.
Mon, Jan 12 - Sat, Feb 7
YUL
Montreal
OPO
Porto
$514 Roundtrip, found 2 days ago
$514
Roundtrip
found 2 days ago
Select SATA International-Azores Airlines S.A. flight, departing Mon, Jan 12 from Montreal to Porto, returning Sat, Feb 7, priced at $514 found 2 days ago
SATA International-Azores Airlines S.A.
Mon, Feb 2 - Sat, Feb 28
YUL
Montreal
OPO
Porto
$514 Roundtrip, found 11 hours ago
$514
Roundtrip
found 11 hours ago
Select SATA International-Azores Airlines S.A. flight, departing Mon, Feb 2 from Montreal to Porto, returning Sat, Feb 28, priced at $514 found 11 hours ago
Delta
Sat, Apr 4 - Thu, Apr 9
YUL
Montreal
OPO
Porto
$544 Roundtrip, found 2 days ago
$544
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Apr 4 from Montreal to Porto, returning Thu, Apr 9, priced at $544 found 2 days ago
TAP Portugal
Wed, Nov 26 - Wed, Dec 3
YUL
Montreal
OPO
Porto
$550 Roundtrip, found 1 day ago
$550
Roundtrip
found 1 day ago
Select TAP Portugal flight, departing Wed, Nov 26 from Montreal to Porto, returning Wed, Dec 3, priced at $550 found 1 day ago
SATA International-Azores Airlines S.A.
Mon, Jan 26 - Mon, Feb 2
YUL
Montreal
OPO
Porto
$573 Roundtrip, found 2 days ago
$573
Roundtrip
found 2 days ago
Select SATA International-Azores Airlines S.A. flight, departing Mon, Jan 26 from Montreal to Porto, returning Mon, Feb 2, priced at $573 found 2 days ago
Air Canada
Wed, Jan 28 - Sat, Feb 21
YUL
Montreal
OPO
Porto
$579 Roundtrip, found 5 days ago
$579
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Jan 28 from Montreal to Porto, returning Sat, Feb 21, priced at $579 found 5 days ago
Porter Airlines
Fri, Apr 24 - Sat, May 16
YUL
Montreal
OPO
Porto
$622 Roundtrip, found 2 days ago
$622
Roundtrip
found 2 days ago
Select Porter Airlines flight, departing Fri, Apr 24 from Montreal to Porto, returning Sat, May 16, priced at $622 found 2 days ago
Air Transat
Tue, Mar 3 - Thu, Mar 12
YUL
Montreal
OPO
Porto
$624 Roundtrip, found 4 days ago
$624
Roundtrip
found 4 days ago
Select Air Transat flight, departing Tue, Mar 3 from Montreal to Porto, returning Thu, Mar 12, priced at $624 found 4 days ago
British Airways
Mon, Feb 2 - Sat, Feb 28
YUL
Montreal
OPO
Porto
$638 Roundtrip, found 11 hours ago
$638
Roundtrip
found 11 hours ago
Select British Airways flight, departing Mon, Feb 2 from Montreal to Porto, returning Sat, Feb 28, priced at $638 found 11 hours ago
KLM
Fri, Apr 3 - Wed, Apr 8
YUL
Montreal
OPO
Porto
$640 Roundtrip, found 2 days ago
$640
Roundtrip
found 2 days ago
Select KLM flight, departing Fri, Apr 3 from Montreal to Porto, returning Wed, Apr 8, priced at $640 found 2 days ago

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

February is typically the cheapest month to fly

From $310 - $748 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 $644
OPO
Dr. Francisco de Sa Carneiro
CheapestClosest
Average driving time to city center14 min
Flights from $644

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 $257 or cheap return flight from $514 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 January 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.

Travel information

Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Dr. Francisco de Sa Carneiro
Airlines serving
Air Canada, Air France, 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
$513
Distance
3192 mi

Book with confidence

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 January. 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 $257 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.

 

Montreal to Porto Flights

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*Available to One Key members.