$160 Cheap Flights from Chicago (ORD) to Chattanooga (CHA)

View $160 flight on Sat, Dec 13, 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Chattanooga Metropolitan Airport (CHA)

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Cheap Flights from Chicago to Chattanooga (ORD-CHA)

Prices were available within the past 7 days and start at $160 for one-way flights and $189 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Nov 14 - Mon, Nov 17
ORD
Chicago
CHA
Chattanooga
$189 Roundtrip, found 1 hour ago
$189
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Fri, Nov 14 from Chicago to Chattanooga, returning Mon, Nov 17, priced at $189 found 1 hour ago
United
Tue, Oct 14 - Wed, Oct 22
ORD
Chicago
CHA
Chattanooga
$192 Roundtrip, found 17 hours ago
$192
Roundtrip
found 17 hours ago
Select United flight, departing Tue, Oct 14 from Chicago to Chattanooga, returning Wed, Oct 22, priced at $192 found 17 hours ago
United
Wed, Aug 20 - Sun, Aug 24
ORD
Chicago
CHA
Chattanooga
$194 Roundtrip, found 4 days ago
$194
Roundtrip
found 4 days ago
Select United flight, departing Wed, Aug 20 from Chicago to Chattanooga, returning Sun, Aug 24, priced at $194 found 4 days ago
United
Tue, Jul 29 - Tue, Aug 5
ORD
Chicago
CHA
Chattanooga
$194 Roundtrip, found 1 hour ago
$194
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Jul 29 from Chicago to Chattanooga, returning Tue, Aug 5, priced at $194 found 1 hour ago
United
Tue, Oct 28 - Thu, Feb 26
ORD
Chicago
CHA
Chattanooga
$196 Roundtrip, found 2 days ago
$196
Roundtrip
found 2 days ago
Select United flight, departing Tue, Oct 28 from Chicago to Chattanooga, returning Thu, Feb 26, priced at $196 found 2 days ago
United
Wed, Nov 19 - Mon, Nov 24
ORD
Chicago
CHA
Chattanooga
$197 Roundtrip, found 6 days ago
$197
Roundtrip
found 6 days ago
Select United flight, departing Wed, Nov 19 from Chicago to Chattanooga, returning Mon, Nov 24, priced at $197 found 6 days ago
United
Wed, Jul 30 - Tue, Aug 5
ORD
Chicago
CHA
Chattanooga
$198 Roundtrip, found 2 days ago
$198
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jul 30 from Chicago to Chattanooga, returning Tue, Aug 5, priced at $198 found 2 days ago
United
Wed, Aug 20 - Sun, Aug 24
ORD
Chicago
CHA
Chattanooga
$198 Roundtrip, found 4 days ago
$198
Roundtrip
found 4 days ago
Select United flight, departing Wed, Aug 20 from Chicago to Chattanooga, returning Sun, Aug 24, priced at $198 found 4 days ago
Delta
Sat, Sep 13 - Tue, Sep 16
ORD
Chicago
CHA
Chattanooga
$209 Roundtrip, found 2 days ago
$209
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Sep 13 from Chicago to Chattanooga, returning Tue, Sep 16, priced at $209 found 2 days ago
United
Fri, Nov 14 - Mon, Nov 17
ORD
Chicago
CHA
Chattanooga
$212 Roundtrip, found 1 hour ago
$212
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Nov 14 from Chicago to Chattanooga, returning Mon, Nov 17, priced at $212 found 1 hour ago

Find the cheapest month to fly from Chicago (ORD) to Chattanooga (CHA)

August is typically the cheapest month to fly

From $169 - $427 per traveler.

Graph displaying average flight prices per month

Alternative airports near Chattanooga

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Chattanooga Metropolitan CHA. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $194
CHA
Chattanooga Metropolitan
CheapestClosest
Average driving time to city center14 min
Flights from $194
Flights from Chicago (ORD) to Chattanooga (CHA)
Origin airport
O'Hare Intl.
Destination airport
Chattanooga Metropolitan
Airlines serving
American Airlines, Delta, United
Roundtrip price
$189
Distance
501 mi
Average flight time
2 hours 47 mins

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 November. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $160 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.

 

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Chattanooga Metropolitan Airport (CHA) cost?
You'll find cheap return tickets from O'Hare Intl. Airport (ORD) to Chattanooga Metropolitan Airport (CHA) starting from $189. Reserve your seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving ORD on August 9 2025 and touching down at CHA. The price was last updated on July 14 2025 and has not changed since.
What is the cheapest month to fly from ORD to CHA?
The cheapest flights from ORD to CHA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from O'Hare Intl. Airport (ORD) to Chattanooga Metropolitan Airport (CHA)?
When setting off from O'Hare Intl. Airport (ORD), you can hop on a nonstop flight to Chattanooga Metropolitan Airport (CHA) with United Airlines.
What is the cheapest airline that flies from ORD to CHA?
Take off from ORD to CHA with United. This carrier currently offers the cheapest one-way fare for this route, starting at $214. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ORD on September 7 2025. Prices were last updated on July 14 2025 and have not changed since.
How many flights per day from O'Hare Intl. Airport (ORD) to Chattanooga Metropolitan Airport (CHA)?
With an average of 2 nonstop flights departing from O'Hare Intl. Airport (ORD) to Chattanooga Metropolitan Airport (CHA) every day, you'll be jetting off in no time.
What are the most popular departure times for flights from O'Hare Intl. Airport (ORD) to Chattanooga Metropolitan Airport (CHA)?
The 2 PM departures from ORD to CHA are the most sought after. Prices can be higher for these popular slots. If you want to save money, choose a less crowded time to fly.
What day of the week has the most flights from ORD to CHA?
If you jet off on a Friday, you'll get the largest range of choices for flights from O'Hare Intl. Airport (ORD) to Chattanooga Metropolitan Airport (CHA).
What is the earliest flight from O'Hare Intl. Airport (ORD) to Chattanooga Metropolitan Airport (CHA)?
Catch the earliest flight at around 8:45AM UTC-6, departing from O'Hare Intl. Airport (ORD). You'll be flying for around 2h, reaching Chattanooga Metropolitan Airport (CHA) at approximately 11:45AM UTC-5.
How long does it take to fly from O'Hare Intl. Airport (ORD) to Chattanooga Metropolitan Airport (CHA)?
The average flight duration from ORD to CHA is 1 hour and 50 minutes, covering a distance of 500 mi.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Chattanooga Metropolitan Airport (CHA)?
Book a flight from O'Hare Intl. Airport (ORD) to Chattanooga Metropolitan Airport (CHA) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Chattanooga from O'Hare Intl. Airport (ORD)?
If you're boarding a direct flight from O'Hare Intl. Airport (ORD) to Chattanooga, Chattanooga Metropolitan Airport (CHA) is the only airport you can land at.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Chattanooga Metropolitan Airport (CHA) last-minute?
Waiting until just before your trip to book your flight from ORD to CHA generally means paying more. While you might find some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book an ORD to CHA flight and hotel package?
Securing an ORD to CHA flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our extensive range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Chattanooga Metropolitan Airport (CHA)?
If you reserved your ORD to CHA flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. 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.

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*Available to One Key members.