Cheap flights from San Diego to Key West from £115

Travelers frequently search for route combinations, such as San Diego and London, Calgary, Las Vegas, Vancouver, San Francisco, New York, San Jose, Toronto, Sacramento, Houston, Honolulu, Dallas, Seattle, Denver, Chicago, Orlando, Edmonton, Kailua, Kahului, Atlanta.

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.

San Diego is mainly served by San Diego International. But there are other airports nearby, including McClellan–Palomar, Marine Corps Air Station Miramar.

The main airport in San Diego is San Diego International. It is also served by Tijuana International, Ontario International, John Wayne, Mexicali International, Palm Springs International, Hollywood Burbank, Hawthorne Municipal, Long Beach, Yuma International, Imperial County.

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 San Diego and Key West with Frontier Airlines, Allegiant Air, BREEZE, Spirit Airlines, JetBlue Airways.

If you don’t have specific dates for your trip between San Diego 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 San Diego 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 San Diego. The main one is San Diego International and other nearby airports include Tijuana International, Ontario International, John Wayne, Mexicali International, Palm Springs International, Hollywood Burbank, Hawthorne Municipal, Long Beach, Yuma International, Imperial County