*Flight schedules are subject to change.
*Available to One Key members.
$173 Cheap Flights from Chicago (CHI) to Chattanooga (CHA)
Popular airlines from Chicago to Chattanooga, TN (CHA-Chattanooga Metropolitan)
Be in the knowGet alerts if flight prices drop or rise*
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Cheap Flights from Chicago to Chattanooga (CHI-CHA)
Prices were available within the past 7 days and start at $173 for one-way flights and $257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Thu, Sep 24 - Sun, Sep 27
RFD
Rockford
CHA
Chattanooga
$257 Roundtrip, found 6 hours ago
$257
Roundtrip
found 6 hours ago
Sat, Sep 26 - Thu, Oct 1
ORD
Chicago
CHA
Chattanooga
$259 Roundtrip, found 5 hours ago
$259
Roundtrip
found 5 hours ago
Thu, Oct 22 - Sat, Oct 24
ORD
Chicago
CHA
Chattanooga
$259 Roundtrip, found 3 hours ago
$259
Roundtrip
found 3 hours ago
Thu, Nov 5 - Mon, Nov 9
ORD
Chicago
CHA
Chattanooga
$269 Roundtrip, found 1 hour ago
$269
Roundtrip
found 1 hour ago
Fri, Feb 5 - Sun, Feb 7
ORD
Chicago
CHA
Chattanooga
$270 Roundtrip, found 18 hours ago
$270
Roundtrip
found 18 hours ago
Wed, Oct 21 - Mon, Oct 26
ORD
Chicago
CHA
Chattanooga
$272 Roundtrip, found 7 hours ago
$272
Roundtrip
found 7 hours ago
Sat, Sep 12 - Mon, Sep 14
ORD
Chicago
CHA
Chattanooga
$274 Roundtrip, found 15 hours ago
$274
Roundtrip
found 15 hours ago
Thu, Nov 5 - Mon, Nov 9
ORD
Chicago
CHA
Chattanooga
$279 Roundtrip, found 1 hour ago
$279
Roundtrip
found 1 hour ago
Fri, Oct 2 - Sun, Oct 4
ORD
Chicago
CHA
Chattanooga
$279 Roundtrip, just found
$279
Roundtrip
just found
Fri, Oct 2 - Mon, Oct 5
MDW
Chicago
CHA
Chattanooga
$299 Roundtrip, found 1 hour ago
$299
Roundtrip
found 1 hour ago
Alternative airports near Chattanooga
Prices were available within the past 7 days. Prices and availability are subject to change.
Find the cheapest month to fly from Chicago (CHI) to Chattanooga (CHA)
March is typically the cheapest month to fly
From $188 - $427 per traveler.
Travel information
Origin airport | Greater Rockford |
|---|---|
Destination airport | Chattanooga Metropolitan |
Airlines serving | American Airlines, Delta, United |
Roundtrip price | $257 |
Distance | 537 mi |
Book with confidence
Chicago to Chattanooga Flights
The cheapest times to fly from Chicago 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 Chicago to Chattanooga are during the month of September. You can find some of the cheapest flights from Chicago to Chattanooga with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Chicago to Chattanooga
Sunday is one of the best days to book for cheap flights from Chicago 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 Chicago 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 Chicago to Chattanooga in 2026. You can also book with separate airlines for your outbound and return journeys, from $173 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 Chicago 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 Chicago 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.
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