Cheap flights from Islip to Knoxville from $140

Travelers frequently search for route combinations, such as Islip and Fort Myers, Sarasota, Charleston, Norfolk, West Palm Beach, Oklahoma City, Montreal, Fargo, Green Bay, Bangor, Lagos, General Santos, Bridgetown, Bandung, Dubrovnik, Pittsburgh, Salt Lake City, Grand Cayman, Tampa, Destin.

Travelers frequently search for route combinations, such as Knoxville and Fort Lauderdale, Houston, Tampa, Orlando, New York, Austin, Denver, Boston, South Bend, Punta Gorda, Phoenix, Belleville, Las Vegas, Chicago, Jacksonville, Barcelona, Anchorage, London, Washington, D.C., Guatemala City.

The main airport in Islip is Long Island MacArthur. It is also served by John F. Kennedy International, Newark Liberty International, Philadelphia International, Bradley International, LaGuardia, New York Stewart International Airport, Atlantic City International, Long Island MacArthur, Albany International, Tweed New Haven.

The main airport in Knoxville is McGhee Tyson. It is also served by Nashville International, McGhee Tyson, Greenville–Spartanburg International, Asheville Regional, Tri-Cities Regional, Blue Grass, Chattanooga Metropolitan.

Currently, you can fly between Islip and Knoxville with Frontier Airlines, BREEZE, JetBlue Airways.

If you don’t have specific dates for your trip between Islip and Knoxville, 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 Islip and Knoxville, 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 Islip. The main one is Long Island MacArthur and other nearby airports include John F. Kennedy International, Newark Liberty International, Philadelphia International, Bradley International, LaGuardia, New York Stewart International Airport, Atlantic City International, Long Island MacArthur, Albany International, Tweed New Haven

There are a number of airports in and around Knoxville. The main one is McGhee Tyson and other nearby airports include Nashville International, McGhee Tyson, Greenville–Spartanburg International, Asheville Regional, Tri-Cities Regional, Blue Grass, Chattanooga Metropolitan.