Cheap flights from Ottawa, Canada to Seattle, WA

Travelers frequently search for route combinations, such as Ottawa and Halifax, Toronto, Amsterdam, Moncton, Istanbul, Geneva, Lisbon, Barcelona, Berlin, Madrid, Athens, Calgary, New York, Paris, Vienna, Miami, Montreal, London, Glasgow, Orlando.

Travelers frequently search for route combinations, such as Seattle and London, Dublin, Manila, Bangkok, Tallinn, Detroit, New York, Manchester, Melbourne, Los Angeles, Chicago, Paris, Denver, Hong Kong, Washington, D.C., Toronto, Denpasar, Atlanta, Dallas, San Salvador.

Ottawa is mainly served by Ottawa Macdonald–Cartier International. But there are other airports nearby, including Ottawa / Rockcliffe Airport.

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

The main airport in Seattle is Seattle–Tacoma International. It is also served by Vancouver International, Portland International, Bellingham International, Abbotsford International, Victoria Inner Harbour SPB, Paine Field Everett, Vancouver Harbour Flight Centre, Yakima Air Terminal, Pangborn Memorial.

Yes, it's possible to combine different modes of transport between Ottawa and Seattle thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Ottawa and Seattle can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

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

If you don’t have specific dates for your trip between Ottawa and Seattle, 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.