Cheap Flights from Ottawa International (YOW) to Porto (OPO)

Compare Ottawa International 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 Ottawa International Airport to Porto Airport

Looking for a cheap last-minute deal or the best return flight from Ottawa International Airport to Porto Airport? If you want to travel next month, return fares start from £427. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Ottawa International to Porto

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

Ottawa International to Porto: Alternative routes

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

Ottawa to Porto: Flight information

The things to know before you go.
Cheapest flight found£427
Cheapest month to flyApril

Finding cheap flights from Ottawa International to Porto: Frequently asked questions

The best price we found for a return flight from Ottawa International to Porto is £427. 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.
Currently, there are no airlines that fly direct from Ottawa International to Porto. But we found flights with one or more stops from £427.
As of March 2026, there are no flights flying from Ottawa International to Porto.
The cheapest month to fly from Ottawa International to Porto is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ottawa International Airport to Porto Airport on Sunday, 19 April 2026.
No airlines currently offer direct flights between Ottawa International Airport and Porto Airport. Most routes have one or more stops.
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.
Currently, Porter Airlines offers the cheapest flight tickets to Porto.

Travelling from Ottawa/Macdonald-Cartier International Airport (YOW) to Porto Airport (OPO): what you need to know

  • The timezone in Porto is UTC+0, which is four hours ahead of Ottawa.

  • Arrive at the airport on time so you don't miss your YOW to OPO flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • Be prepared for longer queues in popular months such as July. Arriving up to four hours in advance for international flights and two hours for domestic departures will help ensure a smooth travel experience.

How to find the cheapest flights from Ottawa/Macdonald-Cartier International Airport (YOW) to Porto Airport (OPO)

  • £264 is currently the best price for a one-way Ottawa/Macdonald-Cartier International Airport to Porto Airport flight. Return flights start at £427. These fares may change depending on demand.

  • Don't leave things to the last moment. You're more likely to find cheap tickets from YOW to OPO if you book in advance. Airlines often offer some great early bird rates.

  • The 'Whole month' search tool shows you the cheapest flights from Ottawa/Macdonald-Cartier International Airport to Porto Airport across the month. It's a good way to snap up a bargain if your travel dates are flexible.

  • Save time searching for cheap flights from YOW to OPO by setting up a Price Alert. You'll receive an email or notification on the app when a new low fare is offered.

  • Secure the ideal flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Ottawa/Macdonald-Cartier International Airport to Porto Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and journey duration.

Handy information about Ottawa/Macdonald-Cartier International Airport (YOW)

  • The address for YOW is 50 Airport Road.

  • Of the departures from Ottawa/Macdonald-Cartier International Airport, 58.21% land on time at their destination.

  • Central Ottawa to Ottawa/Macdonald-Cartier International Airport is around 8 miles. Depending on traffic, it'll take you about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

  • The journey on public transport will take about 45 minutes.

  • Get your travels off to a leisurely start by staying near YOW. Whether you're boarding an early flight from Ottawa/Macdonald-Cartier International Airport to Porto Airport or just don't like being rushed, these hotels are the answer:

Arriving at Porto Airport (OPO)

  • The last thing you need is a lengthy trip to your hotel if you're getting in late on an Ottawa/Macdonald-Cartier International Airport to Porto Airport flight. Check in to one of these accommodation options near OPO instead:

  • Pick up a Porto Airport rental car and discover Porto and beyond with your own wheels. Klass Wagen, Goldcar and Drive & Go are popular providers to choose from here.

  • Secure the lowest price by booking your vehicle from Porto Airport around three weeks before your departure date.

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport to central Porto has a drive time of about 20 minutes. It's approximately 10 miles away.

  • It takes around 50 minutes if you're travelling on public transport.

When to fly to Porto Airport (OPO)

  • The quietest month for a flight from Ottawa/Macdonald-Cartier International Airport to Porto Airport is January, while August is the most popular. Choose the ideal time to go to Porto based on whether you prefer a more fast-paced or easygoing experience.

  • The warmest month in Porto is August, with temperatures ranging between 14ºC (57ºF) and 32ºC (90ºF). Lock in your flights from Ottawa/Macdonald-Cartier International Airport to Porto Airport in this month if this is the type of weather you enjoy.

  • If you like cooler conditions, look for a cheap ticket from YOW to OPO in January. Temperatures average between 3ºC (37ºF) and 14ºC (57ºF) then.

Explore more of Portugal

  • Porto is easy to fall in love with, but there are so many other parts of Portugal you'll want to see. About 170 miles south of Porto, a visit to Lisbon will fill your itinerary to the brim. Check out popular attractions like Torre de Belem Garden, Estrela At Lisbon - Tram 28 and Archaeological museum of Sao Jorge Castle.

  • Around 170 miles south of Porto, Amadora is another essential stop in Portugal. No visit is complete without checking out Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge.

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