Cheap flights from Seattle to Key West from £140

Travelers frequently search for route combinations, such as Seattle and London, Mexico City, New York, Las Vegas, Los Angeles, Guadalajara, Calgary, Edinburgh, Phoenix, San Francisco, Dallas, Chicago, Honolulu, San Diego, Ontario, Glasgow, Belfast, Denver, Istanbul, Kahului.

Travelers frequently search for route combinations, such as Key West and London, Tampa, Orlando, Tallahassee, Toronto, Fort Lauderdale, Pensacola, Chongqing, Nassau, Cancún, Providence, Grand Cayman, Saint Kitts, Odessa, Pasco, Cincinnati, Cairo, Bonaire, Tupelo, Bismarck.

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, Pangborn Memorial, Yakima Air Terminal, Victoria Inner Harbour SPB, Vancouver Harbour Flight Centre.

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

Currently, you can fly between Seattle and Key West with Frontier Airlines, BREEZE, Allegiant Air, United Airlines, JetBlue 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.

Traveling between Seattle and Key West, 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 Seattle. The main one is Seattle–Tacoma International and other nearby airports include Vancouver International, Portland International, Abbotsford International, Bellingham International, Paine Field Everett, Pangborn Memorial, Yakima Air Terminal, Victoria Inner Harbour SPB, Vancouver Harbour Flight Centre