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Cheap flight deals from Knoxville to Islip Starting at AU$540

Whether you’re going for a one-way or round-trip to Islip, we’ve got you covered! Check out these different flight options from Knoxville below.

  • Round-trip
      • TYS09:55
        22h 12m
        2 stops
        ISP08:07
        Wed, Feb 26|Knoxville - Islip|United Airlines
        ISP21:33
        17h 6m
        2 stops
        TYS14:39
        Tue, Mar 4|Islip - Knoxville|Frontier Airlines
        AU$540AU$1,522
        65% OFF
        65% OFF
        AU$1,522AU$540

        Choose United Airlines flights from Knoxville to Islip. The one-way connecting flight with United Airlines departs from Mcghee Tyson Airport on Wed, Feb 26-Tue, Mar 4, arriving at Long Island Macarthur Airport. One-way Prices start from AU$540 including taxes and charges.

      • TYS07:00
        25h 41m
        2 stops
        ISP08:41
        Tue, Feb 18|Knoxville - Islip|United Airlines
        ISP21:04
        25h 56m
        2 stops
        TYS23:00
        Mon, Feb 24|Islip - Knoxville|Frontier Airlines
        AU$643AU$1,522
        57% OFF
        57% OFF
        AU$1,522AU$643

        Choose United Airlines flights from Knoxville to Islip. The one-way connecting flight with United Airlines departs from Mcghee Tyson Airport on Tue, Feb 18-Mon, Feb 24, arriving at Long Island Macarthur Airport. One-way Prices start from AU$643 including taxes and charges.

      • TYS19:25
        12h 27m
        2 stops
        ISP07:52
        Sat, Mar 1|Knoxville - Islip|United Airlines
        ISP21:04
        18h
        2 stops
        TYS15:04
        Fri, Mar 7|Islip - Knoxville|Frontier Airlines
        AU$649AU$1,522
        56% OFF
        56% OFF
        AU$1,522AU$649

        Choose United Airlines flights from Knoxville to Islip. The one-way connecting flight with United Airlines departs from Mcghee Tyson Airport on Sat, Mar 1-Fri, Mar 7, arriving at Long Island Macarthur Airport. One-way Prices start from AU$649 including taxes and charges.

      • TYS19:25
        12h 42m
        2 stops
        ISP08:07
        Thu, Feb 27|Knoxville - Islip|United Airlines
        ISP09:07
        14h 23m
        2 stops
        TYS23:30
        Mon, Mar 3|Islip - Knoxville|Frontier Airlines
        AU$704
        AU$704

        Choose United Airlines flights from Knoxville to Islip. The one-way connecting flight with United Airlines departs from Mcghee Tyson Airport on Thu, Feb 27-Mon, Mar 3, arriving at Long Island Macarthur Airport. One-way Prices start from AU$704 including taxes and charges.

      • TYS07:00
        18h 18m
        2 stops
        ISP01:18
        Thu, Feb 20|Knoxville - Islip|United Airlines
        ISP06:00
        17h
        2 stops
        TYS23:00
        Wed, Feb 26|Islip - Knoxville|Frontier Airlines
        AU$877
        AU$877

        Choose United Airlines flights from Knoxville to Islip. The one-way connecting flight with United Airlines departs from Mcghee Tyson Airport on Thu, Feb 20-Wed, Feb 26, arriving at Long Island Macarthur Airport. One-way Prices start from AU$877 including taxes and charges.

      • TYS09:55
        22h 46m
        2 stops
        ISP08:41
        Tue, Feb 25|Knoxville - Islip|United Airlines
        ISP21:54
        16h 45m
        2 stops
        TYS14:39
        Thu, Feb 27|Islip - Knoxville|Frontier Airlines
        AU$1,149
        AU$1,149

        Choose United Airlines flights from Knoxville to Islip. The one-way connecting flight with United Airlines departs from Mcghee Tyson Airport on Tue, Feb 25-Thu, Feb 27, arriving at Long Island Macarthur Airport. One-way Prices start from AU$1,149 including taxes and charges.

      • TYS19:25
        12h 42m
        2 stops
        ISP08:07
        Sun, Feb 23|Knoxville - Islip|United Airlines
        ISP08:47
        14h 13m
        2 stops
        TYS23:00
        Sat, Mar 1|Islip - Knoxville|Frontier Airlines
        AU$1,224
        AU$1,224

        Choose United Airlines flights from Knoxville to Islip. The one-way connecting flight with United Airlines departs from Mcghee Tyson Airport on Sun, Feb 23-Sat, Mar 1, arriving at Long Island Macarthur Airport. One-way Prices start from AU$1,224 including taxes and charges.

      • TYS07:00
        18h 18m
        2 stops
        ISP01:18
        Sun, Mar 9|Knoxville - Islip|United Airlines
        ISP06:49
        15h 56m
        2 stops
        TYS22:45
        Sat, Mar 15|Islip - Knoxville|Frontier Airlines
        AU$1,339
        AU$1,339

        Choose United Airlines flights from Knoxville to Islip. The one-way connecting flight with United Airlines departs from Mcghee Tyson Airport on Sun, Mar 9-Sat, Mar 15, arriving at Long Island Macarthur Airport. One-way Prices start from AU$1,339 including taxes and charges.

      • TYS01:00 pm
        3h 5m
        Nonstop
        ISP02:00 pm
        Sun, Feb 23|Knoxville - Islip|United Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Knoxville to Islip flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA2046

    United Airlines

    07:00

    TYS

    2.0h

    08:03

    ORD

    SMTWTFS
    Search

  2. UA2323

    United Airlines

    09:15

    ORD

    2.9h

    13:08

    MCO

    SMTWTFS

  3. F91238

    Frontier Airlines

    05:15

    MCO

    2.6h

    07:52

    ISP

    SMTWTFS

  4. UA2046

    United Airlines

    07:00

    TYS

    2.0h

    08:03

    ORD

    SMTWTFS
    Search

  5. UA1139

    United Airlines

    10:35

    ORD

    3.2h

    14:48

    PBI

    SMTWTFS

  6. F92448

    Frontier Airlines

    22:27

    PBI

    2.9h

    01:18

    ISP

    SMTWTFS

  7. UA4325

    United Airlines

    09:55

    TYS

    1.8h

    11:40

    IAD

    SMTWTFS
    Search

  8. UA471

    United Airlines

    12:40

    IAD

    2.5h

    15:08

    MCO

    SMTWTFS

  9. F91238

    Frontier Airlines

    05:15

    MCO

    2.6h

    07:52

    ISP

    SMTWTFS

  10. UA4324

    United Airlines

    19:10

    TYS

    1.7h

    20:53

    IAD

    SMTWTFS
    Search

  11. UA689

    United Airlines

    22:05

    IAD

    2.4h

    00:27

    MCO

    SMTWTFS

  12. F91238

    Frontier Airlines

    05:15

    MCO

    2.6h

    07:52

    ISP

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Knoxville to Islip?

These price trend charts carefully monitor and predict how flight prices from Knoxville to Islip will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Knoxville (TYS) to Islip (ISP) the cheapest?

    Airlines adjust prices for flights from Knoxville to Islip based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Knoxville (TYS) to Islip (ISP) cost?

    According to Trip.com's data, the lowest price is around AU$1,113.

  • What is the transportation method from the main airport to downtown in Islip?

    • The distance from Long Island Macarthur Airport to downtown is about 11 km, by taxi about 30 minutes.

  • How many airports are there in Islip (ISP)?

    There are 1 airport(s) near Islip (ISP): Long Island Macarthur Airport.

How to find a cheap flight from Knoxville to Islip

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Knoxville to Islip

Off-season for travelDecember
Peak season for travelJanuary
Flight distance1,099.13 km
Popular airlineUnited Airlines

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