Cheap Flights from Ottawa (YOWA) to Portland (PDX)

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Find the cheapest month or even day of the year to fly to Portland

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Find the cheapest month to fly from Ottawa to Portland

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

Ottawa to Portland: Alternative routes

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

Ottawa to Portland: Flight information

The things to know before you go.
Cheapest flight found£160
Cheapest month to flyMay

Finding cheap flights from Ottawa to Portland: Frequently asked questions

The best price we found for a return flight from Ottawa to Portland is £290. 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 to Portland. But we found flights with one stop from £290.
As of April 2026, there are no flights flying from Ottawa to Portland.
The cheapest month to fly from Ottawa to Portland is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ottawa to Portland Airport on Monday, 4 May 2026.
No airlines currently offer direct flights between Ottawa and Portland 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 Portland 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 Portland is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Portland is WestJet .

Flying from Ottawa to Portland International Airport (PDX): What you need to know

  • The timezone in Portland is UTC-8, which is three hours behind Ottawa. Portland International Airport is located in Portland.

  • Leave enough time to catch your flight from Ottawa to PDX. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like August, it's a good idea to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead for an international flight whenever you're travelling during peak periods in general.

Airports in Ottawa

Ottawa Macdonald-Cartier International Airport (YOW)

  • Located around 14 kms (9 miles) from central Ottawa, YOW can be reached in about 20 minutes by car (depending on traffic). The journey by public transport will take roughly 35 minutes.

  • Want an easy start to your travels? Stay near Ottawa Macdonald-Cartier International Airport. Whether you have an early flight from Ottawa to Portland International Airport or aren't a fan of being rushed, these hotels are the ideal choice:

  • 58% of flights that leave from Ottawa Macdonald-Cartier International Airport arrive at their destination on time.

  • YOW's address is 50 Airport Road.

About Portland International Airport (PDX)

Getting from Portland International Airport (PDX) to central Portland

  • Central Portland is roughly 10 kms (6 miles) from Portland International Airport. Travel times by taxi or car hire will vary based on time of day and traffic conditions, so do some research ahead of your trip.

  • Travelling on public transport will take you around 40 minutes.

How to find the cheapest flights from Ottawa to Portland International Airport (PDX)

  • The cheapest price we've found for a one-way ticket from Ottawa to Portland International Airport is £160. For a return flight on this route, the best price is £290. Depending on when and how early you book, these fares could change.

  • To pick up cheap flights from Ottawa to PDX, book ahead. Airlines tend to offer lower prices when flights first go on sale.

  • The 'Whole month' search tool shows you the cheapest Ottawa to Portland International Airport tickets throughout the month. It's a good way to snap up a bargain if your trip dates are flexible.

  • Never miss a deal on plane tickets from Ottawa to PDX by creating a Price Alert. We'll send you an email or notification through the app when a new discounted fare appears.

  • Filters make it easier to find a bargain for your flight from Ottawa to Portland International Airport. Choose the departure times, airlines and number of stops that make sense for you. Then sort the results by 'Cheapest' to zero in on the cheapest fare fast.

The best time to fly from Ottawa to Portland International Airport (PDX)

  • May is the busiest month for flights from Ottawa to Portland International Airport (PDX). Visit Portland in January for a more low-key escape.

  • The warmest month in Portland is August, with temperatures ranging between 12ºC and 31ºC. Book your Ottawa to PDX plane ticket then if you enjoy this type of weather.

  • Look for cheap tickets from Ottawa to Portland International Airport in December if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC and 9ºC.

More about Portland

  • When it comes to searching for somewhere to rest your head, you'll find the best places to stay in Portland right here. Browse these options once you've locked in your flight from Ottawa to Portland International Airport:

  • All great journeys should include a little sightseeing. Portland Japanese Garden, Great Northwest and Peninsula Park Rose Garden are essential stops on your Portland itinerary.

Explore more of the United States

  • Portland has plenty going for it, but there are so many other corners of the United States waiting to be discovered. About 225 kms (140 miles) north of Portland, a visit to Seattle will keep your itinerary packed. Start with leading sights like Space Needle, Pike Place Market and Seattle Skyline.

  • If you want to check out another major stop in the United States, head for Tacoma, roughly 193 kms (120 miles) north of Portland. LeMay - America's Car Museum, Chihuly Bridge of Glass and Point Defiance Park are key highlights.

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