Cheap flights from Charleston to Key West from $103

Travelers frequently search for route combinations, such as Charleston and New York, Tampa, Orlando, New Orleans, Cincinnati, Hartford, Los Angeles, Providence, Las Vegas, Fort Lauderdale, West Palm Beach, Fort Myers, Portland, Pittsburgh, Boston, Richmond, Washington, D.C., Indianapolis, Norfolk, Bogotá.

Travelers frequently search for route combinations, such as Key West and Tampa, Orlando, Tallahassee, Pensacola, Fort Lauderdale, Providence, Albany, Milwaukee, Detroit, Fort Myers, Spokane, Raleigh, Owensboro, Portsmouth, Albuquerque, Cleveland, Plattsburgh, West Palm Beach, Atlanta, Flint.

The main airport in Charleston is Charleston International. It is also served by Myrtle Beach International, Charleston International, Savannah/Hilton Head International, Columbia Metropolitan, Hilton Head, Augusta Regional, Brunswick Golden Isles.

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 Charleston and Key West with BREEZE, JetBlue Airways, Allegiant Air, United Airlines, Frontier Airlines.

If you don’t have specific dates for your trip between Charleston 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 Charleston 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 Charleston. The main one is Charleston International and other nearby airports include Myrtle Beach International, Charleston International, Savannah/Hilton Head International, Columbia Metropolitan, Hilton Head, Augusta Regional, Brunswick Golden Isles

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.