Cheap flights from Seattle, WA to Key West, FL

Travelers frequently search for route combinations, such as Seattle and Denver, Las Vegas, Mexico City, Orlando, Atlanta, Austin, London, Houston, Paris, Barcelona, Rome, Los Angeles, Phoenix, Washington, D.C., Detroit, Madrid, Dublin, Minneapolis, Cleveland, Guadalajara.

Travelers frequently search for route combinations, such as Key West and Philadelphia, Tampa, Washington, D.C., Denver, Orlando, Atlanta, Detroit, Chicago, Fort Lauderdale, New York, Cleveland, Pittsburgh, Minneapolis, Boston, Raleigh, Las Vegas, Columbus, Dallas, Atlantic City, Hartford.

Seattle is mainly served by Seattle–Tacoma International. But there are other airports nearby, including Kenmore Air Harbor Seaplane Base, Boeing Field.

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

The main airport in Key West is Key West International. It is also served by Miami International, Key West International.

Yes, it's possible to combine different modes of transport between Seattle and Key West thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Seattle and Key West 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 Seattle and Key West with United Airlines, Alaska Airlines, Silver Airways.

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