In terms of precipitation, rainfall in Chattanooga ranges from 3.3 - 5.0 inches per month. March is typically the wettest month, when rainfall can reach 5.0 in. October is typically the driest time to visit Chattanooga when rainfall is around 3.3 in.

If weather is an important factor for your trip to Chattanooga, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

How far in advance should I book a flight from Islip to Chattanooga?

To save on the cost of your flight from Islip to Chattanooga, book at least 43 days before your planned departure. Booking around this time can save you about 104% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $271 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $451.

What is the cheapest month to fly from Islip to Chattanooga?

January is one of the best times of the year to fly to Chattanooga from Islip. Prices for January average $368 per person but you can even find prices for as low as $206. The most expensive prices can be found in the month of February. Opting for a January flight can save you 55% on your journey compared to booking in February

What is the cheapest time of day to fly from ISP to CHA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip to Chattanooga as you normally would.

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

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

How can I find direct flights from Islip to Chattanooga?

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

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

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

$251+ Cheap Flights from Islip to Chattanooga

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Cheap flight deals from Islip to Chattanooga

Round-trip from	$251 (Kiwi.com)
Popular in	February
Cheapest in	January
Average price	$333

From Islip Long Island to Chattanooga Lovell Field

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($59 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

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Find flight deals from Islip to Chattanooga

Cheapest flights from Islip to Chattanooga
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 11, 2025.

Thu 9/2511:40 amISP - CHA

1 stop29h 17mMultiple Airlines

Mon 9/295:52 pmCHA - ISP

1 stop16h 48mMultiple Airlines

Deal found 9/9

$251

Thu 9/1811:53 amISP - CHA

2 stops28h 53mMultiple Airlines

Sun 9/212:01 pmCHA - ISP

2 stops25h 20mMultiple Airlines

Deal found 9/10

$1,039

Best flights from Islip to Chattanooga
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 11, 2025.

Thu 9/2511:40 amISP - CHA

1 stop29h 17mMultiple Airlines

Mon 9/295:52 pmCHA - ISP

1 stop16h 48mMultiple Airlines

Deal found 9/9

$251

Thu 9/1811:53 amISP - CHA

2 stops28h 53mMultiple Airlines

Sun 9/212:01 pmCHA - ISP

2 stops25h 20mMultiple Airlines

Deal found 9/10

$1,039

Last-minute flights from Islip to Chattanooga
Discover last-minute flight deals from Islip to Chattanooga. Data last updated September 11, 2025 and is based on user searches.

Thu 9/1811:53 amISP - CHA

2 stops28h 53mMultiple Airlines

Sun 9/212:01 pmCHA - ISP

2 stops25h 20mMultiple Airlines

Deal found 9/10

$1,039

Thu 9/2511:40 amISP - CHA

1 stop29h 17mMultiple Airlines

Mon 9/295:52 pmCHA - ISP

1 stop16h 48mMultiple Airlines

Deal found 9/9

$251

Fly from

Fly to

Route

Depart

Return

Price

IslipChattanooga

ISP - CHA

ISPCHA

Islip Long Island

Thu 9/25

11:40 am-4:57 pm

1 stop29h 17m

Chattanooga Lovell Field

Mon 9/29

5:52 pm-10:40 am

1 stop16h 48m

$251

IslipChattanooga

ISP - CHA

ISPCHA

Islip Long Island

Thu 9/18

11:53 am-4:46 pm

2 stops28h 53m

Chattanooga Lovell Field

Sun 9/21

2:01 pm-3:21 pm

2 stops25h 20m

$1,039

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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.

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 Islip to Chattanooga

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

Currently, November is the cheapest month in which you can book a flight from Islip to Chattanooga (average of $323). Flying from Islip to Chattanooga in October is currently the most expensive (average of $418). 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

Can I find deals for flights from Islip to Chattanooga that include hotel bookings?
Yes. In addition to deals on Islip to Chattanooga flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Islip to Chattanooga?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Chattanooga.
Can I find deals for business class flights from Islip to Chattanooga?
Yes. Cheapflights offers flight deals from Islip to Chattanooga 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 Islip to Chattanooga?
Currently, November is the cheapest month in which you can book a flight from Islip to Chattanooga (average of $323). Flying from Islip to Chattanooga in October is currently the most expensive (average of $418). 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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$251+ Cheap flights from Islip 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Islip to Chattanooga with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

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Cheap flight deals from Islip to Chattanooga

Round-trip from

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Cheapest in

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Find flight deals from Islip to Chattanooga

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 11, 2025.

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 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Islip to Chattanooga that are best for you.

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.

Cheapflights Insights

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

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

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.

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

How can I find direct flights from Islip to Chattanooga?

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

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

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Cheapest flights from Islip to Chattanooga
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 11, 2025.