Cheap flights from Duluth to Key West from $551

Travelers frequently search for route combinations, such as Duluth and Tehran, Lviv, Stockholm, Malta, Kahului, Venice, San Diego, Melbourne, Fresno, Boise, Santiago de Chile, Reykjavik, Baku, Atlanta, Fort Lauderdale, Helsinki, Richmond, Kabul, Punta Gorda, Caracas.

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 Duluth is Duluth International. It is also served by Minneapolis–Saint Paul International, Duluth International, St. Cloud Regional, Gogebic–Iron County, Range Regional, Brainerd Lakes Regional, Bemidji Regional, Chippewa Valley Regional, Falls International, Fort Frances Municipal.

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 Duluth and Key West with United Airlines.

If you don’t have specific dates for your trip between Duluth 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 Duluth 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 Duluth. The main one is Duluth International and other nearby airports include Minneapolis–Saint Paul International, Duluth International, St. Cloud Regional, Gogebic–Iron County, Range Regional, Brainerd Lakes Regional, Bemidji Regional, Chippewa Valley Regional, Falls International, Fort Frances Municipal

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.