$383 Cheap Flights from Islip (ISP) to Chattanooga (CHA)

View $383 flight on Sun, Dec 14, 2025Opens in a new window

Popular airlines from MacArthur Airport (ISP) to Chattanooga Metropolitan Airport (CHA)

Cheap Flights from Islip to Chattanooga (ISP-CHA)

Prices were available within the past 7 days and start at $383 for one-way flights and $755 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cape Air
Wed, Mar 25 - Tue, Apr 7
ISP
Islip
CHA
Chattanooga
$755 Roundtrip, found 6 days ago
$755
Roundtrip
found 6 days ago
Select Cape Air flight, departing Wed, Mar 25 from Islip to Chattanooga, returning Tue, Apr 7, priced at $755 found 6 days ago
Cape Air
Wed, Dec 17 - Thu, Dec 18
ISP
Islip
CHA
Chattanooga
$765 Roundtrip, found 3 days ago
$765
Roundtrip
found 3 days ago
Select Cape Air flight, departing Wed, Dec 17 from Islip to Chattanooga, returning Thu, Dec 18, priced at $765 found 3 days ago
Cape Air
Mon, Apr 27 - Tue, May 12
ISP
Islip
CHA
Chattanooga
$786 Roundtrip, found 6 days ago
$786
Roundtrip
found 6 days ago
Select Cape Air flight, departing Mon, Apr 27 from Islip to Chattanooga, returning Tue, May 12, priced at $786 found 6 days ago
Cape Air
Wed, Dec 17 - Thu, Dec 18
ISP
Islip
CHA
Chattanooga
$806 Roundtrip, found 3 days ago
$806
Roundtrip
found 3 days ago
Select Cape Air flight, departing Wed, Dec 17 from Islip to Chattanooga, returning Thu, Dec 18, priced at $806 found 3 days ago
Cape Air
Fri, Mar 20 - Sun, Apr 5
ISP
Islip
CHA
Chattanooga
$807 Roundtrip, found 6 days ago
$807
Roundtrip
found 6 days ago
Select Cape Air flight, departing Fri, Mar 20 from Islip to Chattanooga, returning Sun, Apr 5, priced at $807 found 6 days ago
Cape Air
Thu, Mar 5 - Tue, Mar 17
ISP
Islip
CHA
Chattanooga
$821 Roundtrip, found 6 days ago
$821
Roundtrip
found 6 days ago
Select Cape Air flight, departing Thu, Mar 5 from Islip to Chattanooga, returning Tue, Mar 17, priced at $821 found 6 days ago
Cape Air
Wed, Dec 17 - Thu, Dec 18
ISP
Islip
CHA
Chattanooga
$825 Roundtrip, found 3 days ago
$825
Roundtrip
found 3 days ago
Select Cape Air flight, departing Wed, Dec 17 from Islip to Chattanooga, returning Thu, Dec 18, priced at $825 found 3 days ago
Cape Air
Wed, Dec 17 - Thu, Dec 18
ISP
Islip
CHA
Chattanooga
$826 Roundtrip, found 3 days ago
$826
Roundtrip
found 3 days ago
Select Cape Air flight, departing Wed, Dec 17 from Islip to Chattanooga, returning Thu, Dec 18, priced at $826 found 3 days ago
Cape Air
Mon, Apr 27 - Mon, May 11
ISP
Islip
CHA
Chattanooga
$847 Roundtrip, found 6 days ago
$847
Roundtrip
found 6 days ago
Select Cape Air flight, departing Mon, Apr 27 from Islip to Chattanooga, returning Mon, May 11, priced at $847 found 6 days ago
Cape Air
Wed, Dec 17 - Thu, Dec 18
ISP
Islip
CHA
Chattanooga
$850 Roundtrip, found 3 days ago
$850
Roundtrip
found 3 days ago
Select Cape Air flight, departing Wed, Dec 17 from Islip to Chattanooga, returning Thu, Dec 18, priced at $850 found 3 days ago

Frequently asked questions

How much does a flight from MacArthur Airport (ISP) to Chattanooga Metropolitan Airport (CHA) cost?
Get a cheap one-way flight from $383 or cheap return flight from $755 from MacArthur Airport (ISP) to Chattanooga Metropolitan Airport (CHA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from MacArthur Airport (ISP) to Chattanooga Metropolitan Airport (CHA)?
The cheapest month to fly from ISP to CHA is March, when there's less demand. Off-peak season is often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from MacArthur Airport (ISP) to Chattanooga Metropolitan Airport (CHA)?
To find the cheapest airline flying from ISP to CHA, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from MacArthur Airport (ISP) to Chattanooga Metropolitan Airport (CHA)?
You'll need to catch a flight with a layover if you're traveling from MacArthur Airport (ISP) to Chattanooga Metropolitan Airport (CHA). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from ISP to CHA?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from MacArthur Airport (ISP) to Chattanooga Metropolitan Airport (CHA)?
To arrive at Chattanooga Metropolitan Airport (CHA) on time, opt for a flight that takes off from MacArthur Airport (ISP) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from MacArthur Airport (ISP) to Chattanooga Metropolitan Airport (CHA) last-minute?
Booking your plane ticket from ISP to CHA shortly before your journey is generally more expensive. However, if there's some wiggle room with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book an ISP to CHA flight and hotel package?
Compared with arranging hotels and flights separately, booking an ISP to CHA flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the hassle out of travel planning. Just secure your flights and select from our wide range of hotels, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from MacArthur Airport (ISP) to Chattanooga Metropolitan Airport (CHA)?
If you booked your ISP to CHA flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
MacArthur
Destination airport
Chattanooga Metropolitan
Roundtrip price
$754
Distance
768 mi

Book with confidence

Islip to Chattanooga Flights

The cheapest times to fly from Islip to Chattanooga

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Islip to Chattanooga are during the month of March. You can find some of the cheapest flights from Islip to Chattanooga with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Islip to Chattanooga

Sunday is one of the best days to book for cheap flights from Islip to Chattanooga: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Islip to Chattanooga

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Islip to Chattanooga in 2025. You can also book with separate airlines for your outbound and return journeys, from $383 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Islip to Chattanooga flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Islip to Chattanooga airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Islip to Chattanooga Flights

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*Available to One Key members.