Cheap flights from Key West to San Diego from £150

Travelers frequently search for route combinations, such as Key West and London, Orlando, Tampa, Fort Lauderdale, Cancún, Cincinnati, Pittsburgh, Tallahassee, Asheville, Bogotá, Valencia, Panama City, Pensacola, Tampico, Georgetown, Cartagena, Memphis, Visakhapatnam, Cockburn Town, West Palm Beach.

Travelers frequently search for route combinations, such as San Diego and London, Calgary, San Francisco, San Jose, Las Vegas, New York, Vancouver, Sacramento, Toronto, Edmonton, Seattle, Phoenix, Tokyo, Dallas, Aberdeen, Edinburgh, Manchester, Washington, D.C., Denver, Honolulu.

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

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

Currently, you can fly between Key West and San Diego with Frontier Airlines, Allegiant Air, BREEZE, JetBlue Airways, Spirit Airlines.

If you don’t have specific dates for your trip between Key West and San Diego, 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 Key West and San Diego, 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 Key West. The main one is Key West International and other nearby airports include Miami International, Key West International

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, Palm Springs International, Mexicali International, Hollywood Burbank, Long Beach, Imperial County, Yuma International, Hawthorne Municipal.