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>

$77 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: $366

United Airlines

Fri 1/16Sun 1/18

ORD - CHA • Non-stop

Cheapest one-way

$77

Typical prices: $94-$253

Multiple Airlines

Sun 3/1

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

Fri, Jan 16 - Sun, Jan 18

2:00 pm - 4:54 pm

ORD

CHA

1h 54mnonstop

8:43 am - 9:55 am

CHA

ORD

2h 12mnonstop

$189United Airlines

Sat, Dec 20 - Wed, Dec 24

6:45 pm - 9:38 pm

ORD

CHA

1h 53mnonstop

7:45 am - 8:50 am

CHA

ORD

2h 05mnonstop

$204American Airlines

Fri, Jan 16 - Sun, Jan 18

6:45 am - 1:05 pm

MDW

CHA

5h 20m1 stop

11:47 am - 4:29 pm

CHA

MDW

5h 42m1 stop

$209Delta

Thu, Mar 12 - Mon, Mar 16

9:43 am - 3:29 pm

ORD

CHA

4h 46m1 stop

7:00 am - 1:16 pm

CHA

ORD

7h 16m1 stop

$209Delta

Thu, Dec 18 - Wed, Dec 24

5:59 pm - 8:51 pm

ORD

CHA

1h 52mnonstop

12:15 pm - 1:26 pm

CHA

ORD

2h 11mnonstop

$219United Airlines

Wed, Dec 17 - Sun, Jan 11

5:30 am - 12:53 pm

ORD

CHA

6h 23m1 stop

5:30 am - 8:43 am

CHA

ORD

4h 13m1 stop

$224Delta

Fri, Jan 16 - Sun, Jan 18

6:45 am - 1:05 pm

MDW

CHA

5h 20m1 stop

6:55 am - 10:27 am

CHA

MDW

4h 32m1 stop

$229Delta

Sun, Feb 1 - Sun, Feb 8

5:30 am - 1:10 pm

ORD

CHA

6h 40m1 stop

3:03 pm - 9:05 pm

CHA

ORD

7h 02m1 stop

$229Delta

Thu, Jan 1 - Sun, Jan 4

6:00 am - 12:41 pm

STL

CHA

5h 41m1 stop

5:39 am - 8:58 am

CHA

STL

4h 19m1 stop

$229Delta

Thu, Dec 18 - Wed, Dec 24

3:10 pm - 8:17 pm

MDW

CHA

28h 07m1 stop

3:53 pm - 5:38 pm

CHA

MDW

26h 45m2 stops

$396Multiple Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$77

Best time to beat the crowds with an average 13% 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

$77 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