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C$482 Cheap Flights from Ottawa International to Porto

Compare Ottawa International to Porto flight deals

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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 C$781. Find the lowest prices on one-way and return tickets right here.
Porto.C$482 per passenger.Departing Sat., Sep. 12.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Sat., Sep. 12, arriving in Porto.Price includes taxes and charges.From C$482, select.
Porto.C$518 per passenger.Departing Thu., Apr. 16.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Thu., Apr. 16, arriving in Porto.Price includes taxes and charges.From C$518, select.
Porto.C$535 per passenger.Departing Wed., May 6.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Wed., May 6, arriving in Porto.Price includes taxes and charges.From C$535, select.
Porto.C$599 per passenger.Departing Mon., Nov. 2.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Mon., Nov. 2, arriving in Porto.Price includes taxes and charges.From C$599, select.
Porto.C$628 per passenger.Departing Sun., Oct. 4.One-way flight with Air Transat.Outbound indirect flight with Air Transat, departs from Ottawa International on Sun., Oct. 4, arriving in Porto.Price includes taxes and charges.From C$628, select.
Porto.C$767 per passenger.Departing Sat., Aug. 22.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Ottawa International on Sat., Aug. 22, arriving in Porto.Price includes taxes and charges.From C$767, select.
Porto.C$796 per passenger.Departing Fri., Jun. 26.One-way flight with Air Transat.Outbound indirect flight with Air Transat, departs from Ottawa International on Fri., Jun. 26, arriving in Porto.Price includes taxes and charges.From C$796, select.
Porto.C$1,520 per passenger.Departing Fri., Dec. 18.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Ottawa International on Fri., Dec. 18, arriving in Porto.Price includes taxes and charges.From C$1,520, select.

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 September.
Mar.
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Apr.
from C$518
May
from C$535
Jun.
from C$796
Jul.
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Aug.
from C$767
Sep.
from C$482
Oct.
from C$628
Nov.
from C$599
Dec.
from C$1,520
Jan.
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Feb.
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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.

Porto

12km from central Porto
ClosestCheapest
from C$482
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Vila Real

76km from central Porto
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Viseu G. Lobato

81km from central Porto
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Ottawa to Porto: Flight information

The things to know before you go.
Cheapest flight foundC$482
Cheapest month to flySeptember

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 C$781. 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 C$781.
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, April 19, 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.

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

  • You can expect bigger queues in popular months such as August and other peak periods. Arriving up to four hours in advance for international flights and two hours for domestic departures will give you ample time for security and boarding.

  • Before getting your cheap ticket from YOW to OPO, check if you need a visa to enter Portugal. Travel document and visa requirements can differ and are updated frequently. To get the latest information, get in touch with the nearest embassy or consulate of the country you're flying to.

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

  • The best price we've seen for a one-way ticket from Ottawa/Macdonald-Cartier International Airport to Porto Airport is C$482. The cheapest price for a return flight is C$781. Keep in mind that fares can change due to demand when booking.

  • It's usually best to book early if you want to get cheap flight tickets from YOW to OPO. That's because flight prices are based on demand, which tends to rise closer to departure.

  • If you're willing to be flexible with your travel plans, try using the 'Whole month' tool. It'll show you the lowest price across every month when looking for your ticket from Ottawa/Macdonald-Cartier International Airport to Porto Airport.

  • Set up a Price Alert for cheap flight tickets from YOW to OPO. There's no need to check every day to see if fares have fallen. We'll notify you as soon as there's a change in price.

  • Use filters to find the right trip for you. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Ottawa/Macdonald-Cartier International Airport to Porto Airport, use the 'Sort by' function. You can also filter results by airline, departure and arrival times, and number of stops.

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

  • Traveling from central Ottawa to Ottawa/Macdonald-Cartier International Airport takes about 43 minutes on public transport. If you drive, ride-share or hail a cab, you'll cover the 13 kilometres in 19 minutes or so, depending on traffic conditions.

  • Looking for a convenient hotel near YOW? If you've booked an early flight from Ottawa/Macdonald-Cartier International Airport to Porto Airport, these stays will have you sleeping moments from your check-in counter:

Arriving at Porto Airport (OPO)

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

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport to the center of Porto is about 21 minutes by car. It's approximately 16 kilometres away. See what options are available, such as car rentals, cabs or ride-sharing.

  • It'll take around 49 minutes if you're using 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 February, while August is the most popular. Pick the ideal time to visit Porto based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Porto is August, with the temperature ranging between 14ºC and 32ºC. Book your flights from Ottawa/Macdonald-Cartier International Airport to Porto Airport in this month if you like this kind of weather.

  • If you want to travel in cooler conditions, search for a cheap ticket from YOW to OPO in January. Temperatures average between 3ºC and 14ºC then.

More about Porto

Complete your Porto trip with hotels and a car rental

  • We've got more party tricks up our sleeve than just comparing flights. After booking your cheap ticket to Porto Airport, check out our car rental deals that'll give you the flexibility to see the sights at your own pace. Then, have a look at our exclusive rates for hotels to find the perfect Porto stay.

Plan the rest of your trip from Ottawa to Porto

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