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Cheap flights from Islip to Knoxville (ISP - TYS) from $208

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ISP — TYS
jun. 2 — jun. 91
From?
To?
dom. 6/2
dom. 6/9
1 adult, Economy
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Cheap flight deals from Islip to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated mayo 28, 2024.

Round-trip from

$302
From Islip Long Island to Knoxville McGhee Tyson
Search Deals

How far in advance should I book a flight from Islip, New York to Knoxville?

Find a great deal and save up to 101% by booking at least 56 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Islip, New York to Knoxville within the next two weeks, with the cheapest ticket starting at $319.

What is the cheapest month to fly from Islip, New York to Knoxville?

The best pricing can be found in the month of January. Prices to Knoxville from Islip, New York average $326. You can even find prices in January for less than $326, as users have found deals to Knoxville from as low as $61. The month of May appears to be one of the more expensive times to travel to Knoxville from Islip, New York. Flying in the targeted month can save you up to 13%.

When is the cheapest time to fly from Islip, New York to Knoxville (ISP - TYS)?

When flying from Islip, New York to Knoxville, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Frontier flights from Islip to Knoxville

Explore cheap flight options specifically provided by Frontier for the route between Islip and Knoxville. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
mié. 6/124:46 pmISP - TYS
1 stop17h 11mFrontier
dom. 6/164:26 pmTYS - ISP
1 stop15h 14mFrontier
Deal found 5/27$208
mié. 7/34:46 pmISP - TYS
1 stop17h 11mFrontier
mar. 7/910:27 pmTYS - ISP
1 stop9h 31mFrontier
Deal found 5/27$301
lun. 7/14:46 pmISP - TYS
1 stop15h 16mFrontier
dom. 7/74:52 pmTYS - ISP
1 stop15h 06mFrontier
Deal found 5/26$418

Cheap Islip to Knoxville flights in May & June 2024

Find cheap flight options from Islip to Knoxville specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Prices were last updated on mayo 28, 2024.
mié. 6/124:46 pmISP - TYS
1 stop17h 11mFrontier
dom. 6/164:26 pmTYS - ISP
1 stop15h 14mFrontier
Deal found 5/27$208
lun. 6/241:57 pmISP - TYS
2 stops7h 51mMultiple Airlines
lun. 7/16:00 amTYS - ISP
2 stops11h 07mMultiple Airlines
Deal found 5/27$385
vie. 5/311:57 pmISP - TYS
3 stops26h 04mMultiple Airlines
dom. 6/26:58 pmTYS - ISP
2 stops22h 09mMultiple Airlines
Deal found 5/27$946
vie. 5/311:57 pmISP - TYS
3 stops26h 04mMultiple Airlines
dom. 6/26:30 amTYS - ISP
3 stops34h 37mMultiple Airlines
Deal found 5/27$1,054

Islip to Knoxville 2024 flight deals

Discover exclusive flight deals for travel between Islip and Knoxville in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
mié. 6/124:46 pmISP - TYS
1 stop17h 11mFrontier
dom. 6/164:26 pmTYS - ISP
1 stop15h 14mFrontier
Deal found 5/27$208
mié. 7/34:46 pmISP - TYS
1 stop17h 11mFrontier
mar. 7/910:27 pmTYS - ISP
1 stop9h 31mFrontier
Deal found 5/27$301
lun. 6/241:57 pmISP - TYS
2 stops7h 51mMultiple Airlines
lun. 7/16:00 amTYS - ISP
2 stops11h 07mMultiple Airlines
Deal found 5/27$385
lun. 7/14:46 pmISP - TYS
1 stop15h 16mFrontier
dom. 7/74:52 pmTYS - ISP
1 stop15h 06mFrontier
Deal found 5/26$418
lun. 7/11:57 pmISP - TYS
2 stops7h 51mMultiple Airlines
dom. 7/76:30 amTYS - ISP
2 stops26h 43mMultiple Airlines
Deal found 5/26$476
lun. 7/11:57 pmISP - TYS
3 stops30h 46mMultiple Airlines
dom. 7/76:30 amTYS - ISP
2 stops26h 43mMultiple Airlines
Deal found 5/26$535
vie. 5/311:57 pmISP - TYS
3 stops26h 04mMultiple Airlines
dom. 6/26:58 pmTYS - ISP
2 stops22h 09mMultiple Airlines
Deal found 5/27$946
vie. 5/311:57 pmISP - TYS
3 stops26h 04mMultiple Airlines
dom. 6/26:30 amTYS - ISP
3 stops34h 37mMultiple Airlines
Deal found 5/27$1,054

Find flights from Islip to Knoxville within your budget

Customize your flight search to find flights from Islip to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$208 - $535

Route

Depart

Return

Price

Islip Long IslandKnoxville McGhee Tyson

ISP - TYS

ISPTYS

Islip Long Island

mié. 6/12

1 stop17h 11m

Knoxville McGhee Tyson

dom. 6/16

1 stop15h 14m

$208

Islip Long IslandKnoxville McGhee Tyson

ISP - TYS

ISPTYS

Islip Long Island

mié. 7/3

1 stop17h 11m

Knoxville McGhee Tyson

mar. 7/9

1 stop9h 31m

$301

Islip Long IslandKnoxville McGhee Tyson

ISP - TYS

ISPTYS

Islip Long Island

lun. 6/24

2 stops7h 51m

Knoxville McGhee Tyson

lun. 7/1

2 stops11h 07m

$385

Islip Long IslandKnoxville McGhee Tyson

ISP - TYS

ISPTYS

Islip Long Island

lun. 7/1

1 stop15h 16m

Knoxville McGhee Tyson

dom. 7/7

1 stop15h 06m

$418

Islip Long IslandKnoxville McGhee Tyson

ISP - TYS

ISPTYS

Islip Long Island

lun. 7/1

2 stops7h 51m

Knoxville McGhee Tyson

dom. 7/7

2 stops26h 43m

$476

Islip Long IslandKnoxville McGhee Tyson

ISP - TYS

ISPTYS

Islip Long Island

lun. 7/1

3 stops30h 46m

Knoxville McGhee Tyson

dom. 7/7

2 stops26h 43m

$535

Flights are sorted by cheapest first

Deals found on 5/27

No data available for this route at this time. Please check back soon.

Best time to book a flight from Islip to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Islip with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Knoxville by month

Plan your trip to Knoxville by taking into account the average temperature and rainfall totals by month.

TYS

Temperature

39.2 - 78.8 °F

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated mayo 28, 2024.
Frontier
6.3
Okay
4,016 reviews
Check prices

Boarding

6.6

Food

5.1

Overall

6.3

Comfort

5.8

Crew

7.1

Entertainment

4.9

Reviews

1 / 10

I'd thought there would be a complimentary drink atleast.

Frontier
6.3
Okay
4,016 reviews
Frontier
6.3
Okay
4,016 reviews
Check prices

Boarding

6.6

Food

5.1

Overall

6.3

Comfort

5.8

Crew

7.1

Entertainment

4.9

Reviews

1 / 10

I'd thought there would be a complimentary drink atleast.

Related info for your journey

Find useful and relevant information for your journey from Islip to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Islip, New York to Knoxville for under $300 on Cheapflights?

    Yes, there are multiple flights from Islip, New York to Knoxville for under $300. The cheapest flight booked recently is on Frontier for just $208, but on average you can expect to pay $387.

  • What is the cheapest airline to fly from Islip, New York to Knoxville round-trip?

    Our cheapest airline available from Islip, New York to Knoxville is Frontier. Our recent data shows that you can find tickets from as low as $208 on this airline.

  • What does ISP to TYS mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Islip Long Island Airport to Knoxville McGhee Tyson Airport flight would often be abbreviated as a ISP to TYS flight.

  • Can I find deals for flights from Islip to Knoxville that include extra baggage allowance?

    The amount of baggage you can bring on your Islip to Knoxville flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Islip to Knoxville with specific airlines?

    Yes, Cheapflights allows you to browse and filter Islip to Knoxville flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Islip to Knoxville that include hotel bookings?

    Yes. In addition to deals on Islip to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Knoxville.

  • Can I find deals for business class flights from Islip to Knoxville?

    Yes. Cheapflights offers flight deals from Islip to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Islip to Knoxville that allow pets onboard?

    Many airlines flying from Islip to Knoxville offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Islip to Knoxville?

    Yes, you can often find last-minute deals on Islip to Knoxville flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Islip, New York to Knoxville flight deals updated?

    The Islip, New York to Knoxville flight deals you see on this page were last updated on 5/27.

  • When is the best time to book a flight from Islip, New York to Knoxville?

    Currently, February is the cheapest month in which you can book a flight from Islip, New York to Knoxville (average of $302). Flying from Islip, New York to Knoxville in April is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Search flights from Islip to Knoxville by cabin class

Find flights from Islip to Knoxville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Islip to Knoxville?

Deals for Islip to Knoxville flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Islip to Knoxville?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Knoxville from Islip.

Can Cheapflights find flights from Islip to Knoxville with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Islip to Knoxville flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Islip to Knoxville become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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