$422 Cheap Flights from Porto (OPO) to Ottawa (YOW)

View $422 flight on Mon, Nov 24, 2025Opens in a new window

Popular airlines from Porto Airport (OPO) to Ottawa International Airport (YOW)

Cheap Flights from Porto to Ottawa (OPO-YOW)

Prices were available within the past 7 days and start at $422 for one-way flights and $778 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Mon, Apr 20 - Tue, Apr 21
OPO
Porto
YOW
Ottawa
$778 Roundtrip, found 3 days ago
$778
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Mon, Apr 20 from Porto to Ottawa, returning Tue, Apr 21, priced at $778 found 3 days ago
Air Canada
Mon, Apr 20 - Tue, Apr 21
OPO
Porto
YOW
Ottawa
$790 Roundtrip, found 3 days ago
$790
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Apr 20 from Porto to Ottawa, returning Tue, Apr 21, priced at $790 found 3 days ago
Air Canada
Mon, Apr 20 - Tue, Apr 21
OPO
Porto
YOW
Ottawa
$791 Roundtrip, found 3 days ago
$791
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Apr 20 from Porto to Ottawa, returning Tue, Apr 21, priced at $791 found 3 days ago
Air Canada
Mon, Apr 20 - Tue, Apr 21
OPO
Porto
YOW
Ottawa
$794 Roundtrip, found 3 days ago
$794
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Apr 20 from Porto to Ottawa, returning Tue, Apr 21, priced at $794 found 3 days ago
United
Mon, Apr 20 - Tue, Apr 21
OPO
Porto
YOW
Ottawa
$796 Roundtrip, found 3 days ago
$796
Roundtrip
found 3 days ago
Select United flight, departing Mon, Apr 20 from Porto to Ottawa, returning Tue, Apr 21, priced at $796 found 3 days ago
Air Canada
Mon, Apr 20 - Tue, Apr 21
OPO
Porto
YOW
Ottawa
$799 Roundtrip, found 3 days ago
$799
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Apr 20 from Porto to Ottawa, returning Tue, Apr 21, priced at $799 found 3 days ago
Lufthansa
Mon, Apr 20 - Tue, Apr 21
OPO
Porto
YOW
Ottawa
$802 Roundtrip, found 3 days ago
$802
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Mon, Apr 20 from Porto to Ottawa, returning Tue, Apr 21, priced at $802 found 3 days ago
United
Mon, Apr 20 - Tue, Apr 21
OPO
Porto
YOW
Ottawa
$802 Roundtrip, found 3 days ago
$802
Roundtrip
found 3 days ago
Select United flight, departing Mon, Apr 20 from Porto to Ottawa, returning Tue, Apr 21, priced at $802 found 3 days ago
Lufthansa
Mon, Apr 20 - Tue, Apr 21
OPO
Porto
YOW
Ottawa
$804 Roundtrip, found 3 days ago
$804
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Mon, Apr 20 from Porto to Ottawa, returning Tue, Apr 21, priced at $804 found 3 days ago
Lufthansa
Mon, Apr 20 - Tue, Apr 21
OPO
Porto
YOW
Ottawa
$806 Roundtrip, found 3 days ago
$806
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Mon, Apr 20 from Porto to Ottawa, returning Tue, Apr 21, priced at $806 found 3 days ago
Flights from Porto (OPO) to Ottawa (YOW)
Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Macdonald-Cartier Intl.
Roundtrip price
$777
Distance
3283 mi

Porto to Ottawa Flights

The cheapest times to fly from Porto to Ottawa

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 Porto to Ottawa are during the month of April. You can find some of the cheapest flights from Porto to Ottawa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Porto to Ottawa

Sunday is one of the best days to book for cheap flights from Porto to Ottawa: 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 Porto to Ottawa

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 Porto to Ottawa in 2025. You can also book with separate airlines for your outbound and return journeys, from $422 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 Porto to Ottawa 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 Porto to Ottawa 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 Dr. Francisco de Sa Carneiro Airport (OPO) to Macdonald-Cartier Intl. Airport (YOW) cost?
Secure a cheap one-way flight from $422 or cheap return flight from $778 from Dr. Francisco de Sa Carneiro Airport (OPO) to Macdonald-Cartier Intl. Airport (YOW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Macdonald-Cartier Intl. Airport (YOW)?
April is the cheapest month to fly from OPO to YOW. Traveling during an off-peak travel window is often the key to better flight prices.
What is the cheapest airline that flies from Dr. Francisco de Sa Carneiro Airport (OPO) to Macdonald-Cartier Intl. Airport (YOW)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from OPO to YOW. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Dr. Francisco de Sa Carneiro Airport (OPO) to Macdonald-Cartier Intl. Airport (YOW)?
You'll need to take a flight with a layover if you're traveling from Dr. Francisco de Sa Carneiro Airport (OPO) to Macdonald-Cartier Intl. Airport (YOW). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from OPO to YOW?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, 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 Dr. Francisco de Sa Carneiro Airport (OPO) to Macdonald-Cartier Intl. Airport (YOW)?
To reach Macdonald-Cartier Intl. Airport (YOW) on schedule, opt for a flight that takes off from Dr. Francisco de Sa Carneiro Airport (OPO) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Dr. Francisco de Sa Carneiro Airport (OPO) to Macdonald-Cartier Intl. Airport (YOW) last-minute?
Booking your plane ticket from OPO to YOW shortly before your trip is generally more expensive. But if there's some wiggle room with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book an OPO to YOW flight and hotel package?
You can save money by booking an OPO to YOW flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your ideal flights and accommodations, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Macdonald-Cartier Intl. Airport (YOW)?
In most instances, you can modify or cancel your OPO to YOW flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want more details, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.