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Islip

$591+ Cheap flights from Chattanooga to Islip (CHA - ISP)

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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — ISP
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Chattanooga to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Chattanooga (CHA) to Islip (ISP). 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 September 11, 2025.

Round-trip from

$591
(Kiwi.com)

Popular in

March

Cheapest in

July

Average price

$339
From Chattanooga Lovell Field to Islip Long Island
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Highest demand for flights based on searches. 8% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Chattanooga to Islip

Cheapest flights from Chattanooga to Islip
Explore the most affordable flight options available from Chattanooga to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:52 pmCHA - ISP
1 stop17h 03mMultiple Airlines
Tue 9/304:33 pmISP - CHA
2 stops42h 31mMultiple Airlines
Deal found 9/11$591
This United deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/238:45 amCHA - ISP
2 stops26h 13mMultiple Airlines
Fri 11/287:30 amISP - CHA
2 stops15h 29mMultiple Airlines
Deal found 9/10$775
This United deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/218:45 amCHA - ISP
2 stops26h 13mMultiple Airlines
Fri 11/2811:53 amISP - CHA
2 stops11h 06mMultiple Airlines
Deal found 9/10$964

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chattanooga to Islip 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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Chattanooga to Islip that are best for you.

Fly from

Chattanooga

Fly to

Islip

Route

Depart

Return

Price

ChattanoogaIslip

CHA - ISP

CHAISP

Chattanooga Lovell Field

Fri 9/26

5:52 pm-10:55 am

1 stop17h 03m

Islip Long Island

Tue 9/30

4:33 pm-11:04 am

2 stops42h 31m

$591

ChattanoogaIslip

CHA - ISP

CHAISP

Chattanooga Lovell Field

Sun 11/23

8:45 am-10:58 am

2 stops26h 13m

Islip Long Island

Fri 11/28

7:30 am-10:59 pm

2 stops15h 29m

$775

ChattanoogaIslip

CHA - ISP

CHAISP

Chattanooga Lovell Field

Fri 11/21

8:45 am-10:58 am

2 stops26h 13m

Islip Long Island

Fri 11/28

11:53 am-10:59 pm

2 stops11h 06m

$964

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from Chattanooga to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Chattanooga 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.

Cheapflights Insights

Everything you need to know about your flight from Chattanooga to Islip

What is the cheapest month to book a flight from Chattanooga to Islip?

Currently, January is the cheapest month in which you can book a flight from Chattanooga to Islip (average of $108). Flying from Chattanooga to Islip in November is currently the most expensive (average of $213). 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.

Related info for your journey

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

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Chattanooga to Islip?

    Currently, January is the cheapest month in which you can book a flight from Chattanooga to Islip (average of $108). Flying from Chattanooga to Islip in November is currently the most expensive (average of $213). 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.

See more FAQs

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead
Southampton

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