Cheap flights from Portland to Ottawa from $311

Travelers frequently search for route combinations, such as Portland and Guadalajara, Mexico City, Los Angeles, Las Vegas, Phoenix, San Francisco, Oaxaca, Denver, Kailua, San Diego, Ontario, Chicago, Puerto Escondido, Oaxaca, New York, Calgary, San José del Cabo, London, Dallas, Puerto Vallarta, Tokyo.

Travelers frequently search for route combinations, such as Ottawa and New York, Atlanta, Fort Lauderdale, Dallas, Orlando, Boston, Minneapolis, Tampa, New Orleans, Chicago, St. Louis, San Francisco, Los Angeles, Houston, Memphis, Washington, D.C., Seattle, Las Vegas, Austin, San Diego.

The main airport in Portland is Portland International. It is also served by Seattle–Tacoma International, Portland International, Eugene, Roberts Field, Kenmore Air Harbor Seaplane Base.

The main airport in Ottawa is Ottawa Macdonald–Cartier International. It is also served by Montréal–Pierre Elliott Trudeau International, Syracuse Hancock International, Montreal Saint-Hubert Longueuil, Plattsburgh International, Ogdensburg International, Massena International, Adirondack Regional, Watertown International.

Currently, you can fly between Portland and Ottawa with Air Canada, WestJet, Alaska Airlines, United Airlines, Porter Airlines.

If you don’t have specific dates for your trip between Portland and Ottawa, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Portland and Ottawa, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Portland. The main one is Portland International and other nearby airports include Seattle–Tacoma International, Portland International, Eugene, Roberts Field, Kenmore Air Harbor Seaplane Base

There are a number of airports in and around Ottawa. The main one is Ottawa Macdonald–Cartier International and other nearby airports include Montréal–Pierre Elliott Trudeau International, Syracuse Hancock International, Montreal Saint-Hubert Longueuil, Plattsburgh International, Ogdensburg International, Massena International, Adirondack Regional, Watertown International.