$1,102+ Cheap flights from Islip, NY to Chattanooga (ISP - CHA)
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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — CHA
Oct 25 — Nov 11
Round-trip
1 adult, Economy
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Find cheap flights from Islip to Chattanooga with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Islip to Chattanooga
Cheapest
Best
Last-minute
Cheapest flights from Islip to ChattanoogaExplore the most affordable flight options available from Islip to Chattanooga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2026.
Explore the most affordable flight options available from Islip to Chattanooga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2026.
This United deal was found by Cheapflights users on 9/21. 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.
Thu 10/12:16 pm -
2 stops27h 05m
Mon 10/57:07 pm -
2 stops15h 49m
Deal found 9/21![Multiple Airlines logo]()
$1,102
This United deal was found by Cheapflights users on 9/23. 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 10/2312:30 pm -
2 stops24h 46m
Sun 10/251:52 pm -
2 stops45h 17m
Deal found 9/23![Multiple Airlines logo]()
$1,163
This United deal was found by Cheapflights users on 9/23. 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 10/169:59 am -
2 stops27h 17m
Sun 10/186:00 am -
2 stops37h 49m
Deal found 9/23![Multiple Airlines logo]()
$1,245
Best flights from Islip to ChattanoogaDiscover carefully curated flight deals from Islip to Chattanooga that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
Discover carefully curated flight deals from Islip to Chattanooga that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
This United deal was found by Cheapflights users on 9/23. 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 10/2312:30 pm -
2 stops24h 46m
Sun 10/251:52 pm -
2 stops45h 17m
Deal found 9/23![Multiple Airlines logo]()
$1,163
This United deal was found by Cheapflights users on 9/23. 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 10/169:59 am -
2 stops27h 17m
Sun 10/186:00 am -
2 stops37h 49m
Deal found 9/23![Multiple Airlines logo]()
$1,245
Last-minute flights from Islip to ChattanoogaDiscover last-minute flight deals from Islip to Chattanooga. Data last updated September 25, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Chattanooga. Data last updated September 25, 2026 and is based on user searches.
This United deal was found by Cheapflights users on 9/21. 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.
Thu 10/12:16 pm -
2 stops27h 05m
Mon 10/57:07 pm -
2 stops15h 49m
Deal found 9/21![Multiple Airlines logo]()
$1,102
This United deal was found by Cheapflights users on 9/23. 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 10/169:59 am -
2 stops27h 17m
Sun 10/186:00 am -
2 stops37h 49m
Deal found 9/23![Multiple Airlines logo]()
$1,245
This United deal was found by Cheapflights users on 9/23. 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 10/2312:30 pm -
2 stops24h 46m
Sun 10/251:52 pm -
2 stops45h 17m
Deal found 9/23![Multiple Airlines logo]()
$1,163
Find flight deals from Islip to Chattanooga
Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Chattanooga (CHA). 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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,163 (United) |
Popular in | November |
Cheapest in | February |
Average price | $373 |
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Chattanooga 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 7,457,451 searches. Data last updated September 25, 2026.
Use the filters below to find and compare flights from Islip to Chattanooga that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IslipChattanooga
ISP Islip Long Island - CHA Chattanooga Lovell Field
ISPCHA
Islip Long Island
Fri 10/23
12:30 pm-1:16 pm
2 stops24h 46m
Chattanooga Lovell Field
Sun 10/25
1:52 pm-11:09 am
2 stops45h 17m
$1,163
Quickest round-trip
IslipChattanooga
ISP Islip Long Island - CHA Chattanooga Lovell Field
ISPCHA
Islip Long Island
Fri 10/16
9:59 am-1:16 pm
2 stops27h 17m
Chattanooga Lovell Field
Sun 10/18
6:00 am-7:49 pm
2 stops37h 49m
$1,245
Sorted by cheapest first
Compare providers for flights from Islip to Chattanooga
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to Chattanooga in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Islip, New York-Chattanooga flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Chattanooga flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Chattanooga flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Islip, New York-Chattanooga flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Chattanooga flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Islip to Chattanooga
Have a flexible travel schedule? Discover the best time to fly to Chattanooga from Islip with our price prediction graph.
ISP-CHA
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.
Related info for your journey
Find useful and relevant information for your journey from Islip to Chattanooga. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chattanooga?
Book flights to Chattanooga if you plan to visit one of these locationsTrenton
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