$174 Cheap Flights from Ottawa (YOW) to Portland (PDX)

View $174 flight on Tue, Mar 17, 2026Opens in a new window

Popular airlines from Ottawa International Airport (YOW) to Portland International Airport (PDX)

Cheap Flights from Ottawa to Portland (YOW-PDX)

Prices were available within the past 7 days and start at $174 for one-way flights and $388 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, Nov 28 - Mon, Dec 1
YOW
Ottawa
PDX
Portland
$388 Roundtrip, found 5 days ago
$388
Roundtrip
found 5 days ago
Select Air Canada flight, departing Fri, Nov 28 from Ottawa to Portland, returning Mon, Dec 1, priced at $388 found 5 days ago
Air Canada
Fri, Nov 28 - Mon, Dec 1
YOW
Ottawa
PDX
Portland
$392 Roundtrip, found 5 days ago
$392
Roundtrip
found 5 days ago
Select Air Canada flight, departing Fri, Nov 28 from Ottawa to Portland, returning Mon, Dec 1, priced at $392 found 5 days ago
Air Canada
Fri, Nov 28 - Mon, Dec 1
YOW
Ottawa
PDX
Portland
$399 Roundtrip, found 5 days ago
$399
Roundtrip
found 5 days ago
Select Air Canada flight, departing Fri, Nov 28 from Ottawa to Portland, returning Mon, Dec 1, priced at $399 found 5 days ago
Air Canada
Fri, Nov 28 - Mon, Dec 1
YOW
Ottawa
PDX
Portland
$405 Roundtrip, found 5 days ago
$405
Roundtrip
found 5 days ago
Select Air Canada flight, departing Fri, Nov 28 from Ottawa to Portland, returning Mon, Dec 1, priced at $405 found 5 days ago
Air Canada
Tue, Dec 9 - Fri, Dec 12
YOW
Ottawa
PDX
Portland
$441 Roundtrip, found 2 days ago
$441
Roundtrip
found 2 days ago
Select Air Canada flight, departing Tue, Dec 9 from Ottawa to Portland, returning Fri, Dec 12, priced at $441 found 2 days ago
Air Canada
Fri, Dec 12 - Mon, Dec 15
YOW
Ottawa
PDX
Portland
$445 Roundtrip, found 2 days ago
$445
Roundtrip
found 2 days ago
Select Air Canada flight, departing Fri, Dec 12 from Ottawa to Portland, returning Mon, Dec 15, priced at $445 found 2 days ago
United
Thu, Nov 27 - Mon, Dec 1
YOW
Ottawa
PDX
Portland
$451 Roundtrip, found 1 day ago
$451
Roundtrip
found 1 day ago
Select United flight, departing Thu, Nov 27 from Ottawa to Portland, returning Mon, Dec 1, priced at $451 found 1 day ago
Air Canada
Thu, Nov 27 - Mon, Dec 1
YOW
Ottawa
PDX
Portland
$452 Roundtrip, found 1 day ago
$452
Roundtrip
found 1 day ago
Select Air Canada flight, departing Thu, Nov 27 from Ottawa to Portland, returning Mon, Dec 1, priced at $452 found 1 day ago
Delta
Fri, Dec 12 - Mon, Dec 15
YOW
Ottawa
PDX
Portland
$777 Roundtrip, found 2 days ago
$777
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Dec 12 from Ottawa to Portland, returning Mon, Dec 15, priced at $777 found 2 days ago
WestJet
Fri, Dec 12 - Mon, Dec 15
YOW
Ottawa
PDX
Portland
$778 Roundtrip, found 2 days ago
$778
Roundtrip
found 2 days ago
Select WestJet flight, departing Fri, Dec 12 from Ottawa to Portland, returning Mon, Dec 15, priced at $778 found 2 days ago

Find the cheapest month to fly from Ottawa (YOW) to Portland (PDX)

August is typically the cheapest month to fly

From $250 - $626 per traveler.

Frequently asked questions

How much does a flight from Macdonald-Cartier Intl. Airport (YOW) to Portland Intl. Airport (PDX) cost?
Snag a cheap one-way flight from $174 or cheap return flight from $388 from Macdonald-Cartier Intl. Airport (YOW) to Portland Intl. Airport (PDX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Macdonald-Cartier Intl. Airport (YOW) to Portland Intl. Airport (PDX)?
Planning your trip for November may help you find better deals, as it's the cheapest month for flights between YOW and PDX. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Macdonald-Cartier Intl. Airport (YOW) to Portland Intl. Airport (PDX)?
To find the cheapest airline that'll fly you from YOW to PDX, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Macdonald-Cartier Intl. Airport (YOW) to Portland Intl. Airport (PDX)?
Direct flights from Macdonald-Cartier Intl. Airport (YOW) to Portland Intl. Airport (PDX) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from YOW to PDX?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Macdonald-Cartier Intl. Airport (YOW) to Portland Intl. Airport (PDX)?
Select a flight from Macdonald-Cartier Intl. Airport (YOW) to Portland Intl. Airport (PDX) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Macdonald-Cartier Intl. Airport (YOW) to Portland Intl. Airport (PDX) last-minute?
Last-minute fares from YOW to PDX are generally more expensive. To lock in the cheapest rates, start searching for flights early. That said, if you're flexible with your travel dates, you may find a cheap ticket right before your trip.
Is it cheaper to book a YOW to PDX flight and hotel package?
Compared with arranging flights and hotels separately, booking a YOW to PDX flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place will take the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of stays, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Macdonald-Cartier Intl. Airport (YOW) to Portland Intl. Airport (PDX)?
If you booked your YOW to PDX flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Macdonald-Cartier Intl.
Destination airport
Portland Intl.
Airlines serving
Air Canada, United, WestJet
Roundtrip price
$387
Distance
2240 mi

Book with confidence

Ottawa to Portland Flights

The cheapest times to fly from Ottawa to Portland

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

 

The best time to book a flight from Ottawa to Portland

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

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 Ottawa to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $174 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 Ottawa to Portland 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 Ottawa to Portland 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.

 

Ottawa to Portland Flights

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*Available to One Key members.