How much is a ticket from Islip to Knoxville?

Depending on when you travel and how far in advance you book, fares between Islip and Knoxville can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Planning flights between Islip and Knoxville? Don’t forget the airport options

Especially when flying to medium or large cities, it's worth checking all possible airport combinations before booking.

• Airports in Islip: Islip - Long Island MacArthur is the only airport in this city.
• Airports in Knoxville: Only Knoxville - McGhee Tyson is currently available.

Check for differences in transport costs to and from each airport — they affect your total spend. Choosing the right airport can make a real difference in price and timing.

Choose the right flight for your trip from Islip to Knoxville

Jetcost helps you tailor your flight search based on what matters to you — flight length, budget, airline, or agency. Whether you prefer round-trip or one-way, direct or with stopovers, you’ll see options from eDreams, Expedia, and more.

Other popular destinations

Flying to United States? Many users also explore: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Looking for a specific airline? Select it directly in the filters to speed up your search. The search filters help you see only the options that match your needs.