How does KAYAK find such low prices on flights from Illinois to Chattanooga?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Chattanooga. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Chattanooga?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chattanooga from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Chattanooga?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chattanooga with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Chattanooga?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chattanooga from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$97 CHEAP FLIGHTS from Illinois to Chattanooga

CHA

KAYAK searches hundreds of travel sites at once for deals on flights to Chattanooga

...and more

Travelers love KAYAK

41.299.237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$189

Overall average: $354

United Airlines

Tue 12/16Tue 12/23

ORD - CHA • Non-stop

Cheapest one-way

$97

Typical prices: $458-$479

Multiple Airlines

Wed 2/18

ORD - CHA • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Chattanooga!

Flight Deals

Cheap Flights from Illinois to Chattanooga

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Chattanooga that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Chattanooga

Tue, Dec 16 - Tue, Dec 23

6:02 pm - 8:57 pmORD-CHA

1h 55mnonstop

5:43 pm - 6:55 pmCHA-ORD

2h 12mnonstop

$189United Airlines

Find Deal

Wed, Dec 24 - Mon, Dec 29

5:59 pm - 8:51 pmORD-CHA

1h 52mnonstop

5:43 pm - 6:55 pmCHA-ORD

2h 12mnonstop

$199United Airlines

Find Deal

Sat, Dec 13 - Sat, Jan 3

8:30 pm - 11:28 pmORD-CHA

1h 58mnonstop

7:35 am - 8:50 amCHA-ORD

2h 15mnonstop

$204American Airlines

Find Deal

Thu, Dec 11 - Sun, Dec 14

5:13 pm - 11:26 pmMDW-CHA

5h 13m1 stop

6:56 am - 9:54 amCHA-MDW

3h 58m1 stop

$209Delta

Find Deal

Thu, Dec 18 - Sun, Dec 21

9:49 am - 2:23 pmORD-CHA

3h 34m1 stop

7:20 am - 12:54 pmCHA-ORD

6h 34m1 stop

$209Delta

Find Deal

Tue, Dec 2 - Sat, Dec 6

10:35 am - 1:23 pmORD-CHA

1h 48mnonstop

1:58 pm - 3:02 pmCHA-ORD

2h 04mnonstop

$219United Airlines

Find Deal

Wed, Dec 17 - Wed, Dec 24

5:54 pm - 11:15 pmSTL-CHA

4h 21m1 stop

7:45 am - 2:09 pmCHA-STL

7h 24m1 stop

$229American Airlines

Find Deal

Fri, Dec 12 - Mon, Dec 15

1:15 pm - 8:57 pmPIA-CHA

6h 42m1 stop

5:34 pm - 9:31 pmCHA-PIA

4h 57m1 stop

$229United Airlines

Find Deal

Thu, Dec 18 - Sun, Dec 21

1:54 pm - 7:43 pmORD-CHA

4h 49m1 stop

7:35 am - 8:50 amCHA-ORD

2h 15mnonstop

$233American Airlines

Find Deal

Wed, Dec 3 - Sun, Dec 7

3:30 pm - 9:31 pmSTL-CHA

29h 01m2 stops

10:21 pm - 12:12 pmCHA-STL

14h 51m1 stop

$419Multiple Airlines

Find Deal

Useful Info

Low season	January
High season	October
Cheapest flight	$97

Best time to beat the crowds with an average 12% drop in price.

Most popular time to fly and prices are also 5% lower on average.

Flight from Chicago O'Hare Airport to Chattanooga

How does KAYAK find such low prices on flights from Illinois to Chattanooga?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Chattanooga.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Chattanooga?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chattanooga from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Chattanooga?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chattanooga with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Chattanooga?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chattanooga from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Ringgold

East Ridge

Lookout Mountain

Trenton

Jasper

Lookout Mountain

Decatur

Bridgeport

Everything you need to know for your flight to Chattanooga

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Chattanooga

Chattanooga (CHA)

CHA

$97 Find Cheap Flights from Illinois to Chattanooga

KAYAK searches hundreds of travel sites at once for deals on flights to Chattanooga

Everything you should know

Cheap Flights from Illinois to Chattanooga

Recent round-trip flight deals from Illinois to Chattanooga

Recent one-way flight deals from Illinois to Chattanooga

Recent last minute flight deals from Illinois to Chattanooga

Recent direct flight deals from Illinois to Chattanooga

Good to know

FAQs for booking flights from Illinois to Chattanooga

How does KAYAK find such low prices on flights from Illinois to Chattanooga?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Chattanooga.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Chattanooga?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chattanooga from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Chattanooga?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chattanooga with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Chattanooga?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chattanooga from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Chattanooga?

Everything you need to know for your flight to Chattanooga

Information on the airport you'll fly into in Chattanooga

Cabin class types available on flights to Illinois

Complete your trip to Chattanooga with a hotel stay or car rental

Find direct flights for Chattanooga

Flights to other popular destinations

Flights from domestic origins to Chattanooga

Choose which airport to fly into in Chattanooga

Find deals for your return flight