Cheap flights from San Francisco to Key West from $139

Travelers frequently search for route combinations, such as San Francisco and New York, Calgary, Los Angeles, Mexico City, Las Vegas, Toronto, Tokyo, Honolulu, New Delhi, San Diego, Vancouver, Barcelona, Seattle, Edmonton, Chicago, Phoenix, London, Paris, Ontario, Tel Aviv.

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 San Francisco is San Francisco International. It is also served by San Francisco International, Sacramento International, San Jose International, Oakland International, Stockton Metropolitan, Monterey Regional, Charles M. Schulz–Sonoma County, Merced Regional.

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 Francisco and Key West with JetBlue Airways, United Airlines, BREEZE, Spirit Airlines, Frontier Airlines.

If you don’t have specific dates for your trip between San Francisco 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 Francisco 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 Francisco. The main one is San Francisco International and other nearby airports include San Francisco International, Sacramento International, San Jose International, Oakland International, Stockton Metropolitan, Monterey Regional, Charles M. Schulz–Sonoma County, Merced Regional

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.