$418 Cheap Flights from Islip (ISP) to Chattanooga (CHA)

View $418 flight on Wed, Jul 29, 2026Opens in a new window

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

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Cheap Flights from Islip to Chattanooga (ISP-CHA)

Prices were available within the past 7 days and start at $418 for one-way flights and $820 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cape Air
Tue, May 5 - Tue, May 12
ISP
Islip
CHA
Chattanooga
$820 Roundtrip, found 6 days ago
$820
Roundtrip
found 6 days ago
Select Cape Air flight, departing Tue, May 5 from Islip to Chattanooga, returning Tue, May 12, priced at $820 found 6 days ago
Cape Air
Tue, May 5 - Tue, May 12
ISP
Islip
CHA
Chattanooga
$825 Roundtrip, found 6 days ago
$825
Roundtrip
found 6 days ago
Select Cape Air flight, departing Tue, May 5 from Islip to Chattanooga, returning Tue, May 12, priced at $825 found 6 days ago
Cape Air
Tue, May 5 - Tue, May 12
ISP
Islip
CHA
Chattanooga
$866 Roundtrip, found 6 days ago
$866
Roundtrip
found 6 days ago
Select Cape Air flight, departing Tue, May 5 from Islip to Chattanooga, returning Tue, May 12, priced at $866 found 6 days ago
Cape Air
Tue, May 5 - Tue, May 12
ISP
Islip
CHA
Chattanooga
$871 Roundtrip, found 6 days ago
$871
Roundtrip
found 6 days ago
Select Cape Air flight, departing Tue, May 5 from Islip to Chattanooga, returning Tue, May 12, priced at $871 found 6 days ago
Cape Air
Tue, May 5 - Tue, May 12
ISP
Islip
CHA
Chattanooga
$880 Roundtrip, found 6 days ago
$880
Roundtrip
found 6 days ago
Select Cape Air flight, departing Tue, May 5 from Islip to Chattanooga, returning Tue, May 12, priced at $880 found 6 days ago
Cape Air
Wed, May 6 - Sat, May 9
ISP
Islip
CHA
Chattanooga
$895 Roundtrip, found 3 days ago
$895
Roundtrip
found 3 days ago
Select Cape Air flight, departing Wed, May 6 from Islip to Chattanooga, returning Sat, May 9, priced at $895 found 3 days ago
Cape Air
Tue, May 5 - Tue, May 12
ISP
Islip
CHA
Chattanooga
$900 Roundtrip, found 6 days ago
$900
Roundtrip
found 6 days ago
Select Cape Air flight, departing Tue, May 5 from Islip to Chattanooga, returning Tue, May 12, priced at $900 found 6 days ago
Cape Air
Tue, May 5 - Tue, May 12
ISP
Islip
CHA
Chattanooga
$906 Roundtrip, found 6 days ago
$906
Roundtrip
found 6 days ago
Select Cape Air flight, departing Tue, May 5 from Islip to Chattanooga, returning Tue, May 12, priced at $906 found 6 days ago
Cape Air
Mon, May 4 - Fri, May 8
ISP
Islip
CHA
Chattanooga
$915 Roundtrip, found 3 days ago
$915
Roundtrip
found 3 days ago
Select Cape Air flight, departing Mon, May 4 from Islip to Chattanooga, returning Fri, May 8, priced at $915 found 3 days ago
Cape Air
Tue, May 5 - Tue, May 12
ISP
Islip
CHA
Chattanooga
$920 Roundtrip, found 6 days ago
$920
Roundtrip
found 6 days ago
Select Cape Air flight, departing Tue, May 5 from Islip to Chattanooga, returning Tue, May 12, priced at $920 found 6 days ago

Frequently asked questions

How much does a flight from Islip, NY (ISP-MacArthur) to Chattanooga, TN (CHA-Chattanooga Metropolitan) cost?
You can find cheap one-way flights and cheap return flights from $820 ISP to CHA with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ISP to CHA ticket fares go up or down.
What is the cheapest month to fly from Islip, NY (ISP-MacArthur) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
The cheapest month to fly from ISP to CHA is May when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Islip, NY (ISP-MacArthur) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
Enter ISP to CHA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Islip, NY (ISP-MacArthur) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
To find a cheap flight from Islip, NY (ISP-MacArthur) to Chattanooga, TN (CHA-Chattanooga Metropolitan), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Islip, NY (ISP-MacArthur) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Islip, NY (ISP-MacArthur) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from ISP to CHA. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Islip, NY (ISP-MacArthur) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
Flying from ISP to CHA with a connection usually takes about 10 hours 20 minutes, traveling roughly 769 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Islip, NY (ISP-MacArthur) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
Select the "Business class" and "First class" filters when looking for ISP to CHA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Islip, NY (ISP-MacArthur) to Chattanooga, TN (CHA-Chattanooga Metropolitan) flight with Expedia?
It's easy to earn miles on a Islip, NY (ISP-MacArthur) to Chattanooga, TN (CHA-Chattanooga Metropolitan) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Islip, NY (ISP-MacArthur) to Chattanooga, TN (CHA-Chattanooga Metropolitan) at the last minute?
Typically, booking a last minute flight from Islip, NY (ISP-MacArthur) to Chattanooga, TN (CHA-Chattanooga Metropolitan) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Islip, NY (ISP-MacArthur) to Chattanooga, TN (CHA-Chattanooga Metropolitan) flight and hotel package?
Securing a Islip, NY (ISP-MacArthur) to Chattanooga, TN (CHA-Chattanooga Metropolitan) Chattanooga Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Islip, NY (ISP-MacArthur) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
If you booked your Islip, NY (ISP-MacArthur) to Chattanooga, TN (CHA-Chattanooga Metropolitan) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
MacArthur
Destination airport
Chattanooga Metropolitan
Roundtrip price
$819
Distance
768 mi

*Flight schedules are subject to change.

*Available to One Key members.

 

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