$139 Cheap Flights from Chicago (ORD) to Chattanooga (CHA)

View $139 flight on Thu, Nov 27, 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 $139 for one-way flights and $159 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Oct 27 - Sat, Nov 1
ORD
Chicago
CHA
Chattanooga
$159 Roundtrip, found 2 days ago
$159
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Oct 27 from Chicago to Chattanooga, returning Sat, Nov 1, priced at $159 found 2 days ago
Delta
Sat, Sep 13 - Tue, Sep 23
ORD
Chicago
CHA
Chattanooga
$164 Roundtrip, found 3 days ago
$164
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Sep 13 from Chicago to Chattanooga, returning Tue, Sep 23, priced at $164 found 3 days ago
Delta
Tue, Sep 16 - Sat, Sep 20
ORD
Chicago
CHA
Chattanooga
$174 Roundtrip, found 3 days ago
$174
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Sep 16 from Chicago to Chattanooga, returning Sat, Sep 20, priced at $174 found 3 days ago
Delta
Fri, Sep 5 - Fri, Oct 3
ORD
Chicago
CHA
Chattanooga
$189 Roundtrip, found 2 days ago
$189
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Sep 5 from Chicago to Chattanooga, returning Fri, Oct 3, priced at $189 found 2 days ago
United
Wed, Sep 24 - Sun, Sep 28
ORD
Chicago
CHA
Chattanooga
$189 Roundtrip, just found
$189
Roundtrip
just found
Select United flight, departing Wed, Sep 24 from Chicago to Chattanooga, returning Sun, Sep 28, priced at $189 just found
United
Wed, Oct 1 - Wed, Oct 8
ORD
Chicago
CHA
Chattanooga
$193 Roundtrip, found 5 hours ago
$193
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Oct 1 from Chicago to Chattanooga, returning Wed, Oct 8, priced at $193 found 5 hours ago
Delta
Fri, Sep 5 - Sat, Sep 13
ORD
Chicago
CHA
Chattanooga
$194 Roundtrip, found 2 days ago
$194
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Sep 5 from Chicago to Chattanooga, returning Sat, Sep 13, priced at $194 found 2 days ago
United
Thu, Sep 18 - Mon, Sep 22
ORD
Chicago
CHA
Chattanooga
$194 Roundtrip, just found
$194
Roundtrip
just found
Select United flight, departing Thu, Sep 18 from Chicago to Chattanooga, returning Mon, Sep 22, priced at $194 just found
United
Fri, Nov 7 - Sun, Nov 9
ORD
Chicago
CHA
Chattanooga
$199 Roundtrip, found 10 hours ago
$199
Roundtrip
found 10 hours ago
Select United flight, departing Fri, Nov 7 from Chicago to Chattanooga, returning Sun, Nov 9, priced at $199 found 10 hours ago
American Airlines
Fri, Nov 7 - Mon, Nov 10
ORD
Chicago
CHA
Chattanooga
$209 Roundtrip, found 2 hours ago
$209
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Fri, Nov 7 from Chicago to Chattanooga, returning Mon, Nov 10, priced at $209 found 2 hours ago

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

February is typically the cheapest month to fly

From $174 - $485 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 $576
CHA
Chattanooga Metropolitan
CheapestClosest
Average driving time to city center14 min
Flights from $576
Flights from Chicago (ORD) to Chattanooga (CHA)
Origin airport
O'Hare Intl.
Destination airport
Chattanooga Metropolitan
Airlines serving
American Airlines, Delta, United
Roundtrip price
$158
Distance
501 mi
Average flight time
2 hours 53 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 October. 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 $139 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?
Get a cheap one-way flight from $139 or cheap return flight from $159 from O'Hare Intl. Airport (ORD) to Chattanooga Metropolitan Airport (CHA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Chattanooga Metropolitan Airport (CHA)?
The cheapest month to fly from ORD to CHA is October, when there's less demand. Off-peak months are generally when airlines offer lower prices between these airports.
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 O'Hare Intl. Airport (ORD) to Chattanooga Metropolitan Airport (CHA)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ORD to CHA flight.
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.