$125 Cheap flight deals from Islip (NYC) to Knoxville (TYS)

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Airfares from $125 One Way, $251 Round Trip from Islip to Knoxville

Prices starting at $251 for return flights and $125 for one-way flights to Knoxville were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 28 - Wed, Jun 4
JFK
New York
TYS
Knoxville
$251 Roundtrip, found 3 days ago
$251
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, May 28 from New York to Knoxville, returning Wed, Jun 4, priced at $251 found 3 days ago
Sat, Jul 12 - Sat, Jul 19
JFK
New York
TYS
Knoxville
$275 Roundtrip, found 10 hours ago
$275
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sat, Jul 12 from New York to Knoxville, returning Sat, Jul 19, priced at $275 found 10 hours ago
Sat, Jul 12 - Sat, Jul 19
JFK
New York
TYS
Knoxville
$277 Roundtrip, found 10 hours ago
$277
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sat, Jul 12 from New York to Knoxville, returning Sat, Jul 19, priced at $277 found 10 hours ago
Sun, May 25 - Sat, May 31
JFK
New York
TYS
Knoxville
$281 Roundtrip, found 6 days ago
$281
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, May 25 from New York to Knoxville, returning Sat, May 31, priced at $281 found 6 days ago
Thu, Oct 2 - Tue, Oct 7
JFK
New York
TYS
Knoxville
$288 Roundtrip, found 1 day ago
$288
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 2 from New York to Knoxville, returning Tue, Oct 7, priced at $288 found 1 day ago

More About Flying To Knoxville from Islip

Route Information for Flights from Islip to Knoxville

Origin Airport IATA Code
NYC
Destination Airport IATA Code
TYS
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Islip to Knoxville

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Booking a trip from Islip to Knoxville has never been easier. Not only will you find great deals on flights, we offer bargains on cruises, car rentals, top-notch hotels, and more. You can also research and add local activities in Knoxville to your flight or hotel reservation to keep the kids happy and active.

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Use our mobile app for your iPhone, iPad, or Android phone—or our mobile website m.orbitz.com—to find bargains on flights from Islip to Knoxville wherever you are. Book your cheap Islip to Knoxville flights and a hotel room too—even at the last minute. Orbitz also makes your life easier with free alerts that are sent to your mobile phone or email about delays to your upcoming flights from Islip to Knoxville.

Don’t Miss out on Miles

Accumulate frequent flyer miles or points on your Islip to Knoxville flights. It’s as simple as entering your frequent flyer number when you’re making your flight reservation on Orbitz to rack up miles on qualified flights from Islip to Knoxville. You can save your frequent flyer numbers in your Orbitz account to save time during your next flight booking.

Frequently asked questions

What is the shortest flight from Islip to Knoxville?
From Islip, the wonderful sights and sounds of Knoxville are at least 3 hours and 1 minute away. Lock in your favorite seat, or perhaps even one with a bit more legroom, and fly to your destination in comfort.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won’t keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.