$136 Cheap Flights from Chicago (ORD) to Chattanooga (CHA)

View $136 flight on Tue, May 19, 2026Opens 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 $136 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, May 11 - Mon, May 18
ORD
Chicago
CHA
Chattanooga
$249 Roundtrip, just found
$249
Roundtrip
just found
Select American Airlines flight, departing Mon, May 11 from Chicago to Chattanooga, returning Mon, May 18, priced at $249 just found
United
Fri, Apr 10 - Mon, Apr 13
ORD
Chicago
CHA
Chattanooga
$249 Roundtrip, just found
$249
Roundtrip
just found
Select United flight, departing Fri, Apr 10 from Chicago to Chattanooga, returning Mon, Apr 13, priced at $249 just found
United
Wed, Apr 15 - Sun, Apr 19
ORD
Chicago
CHA
Chattanooga
$255 Roundtrip, found 19 hours ago
$255
Roundtrip
found 19 hours ago
Select United flight, departing Wed, Apr 15 from Chicago to Chattanooga, returning Sun, Apr 19, priced at $255 found 19 hours ago
United
Tue, Jun 9 - Sat, Jun 13
ORD
Chicago
CHA
Chattanooga
$256 Roundtrip, found 5 hours ago
$256
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Jun 9 from Chicago to Chattanooga, returning Sat, Jun 13, priced at $256 found 5 hours ago
United
Fri, Jun 12 - Wed, Jun 17
ORD
Chicago
CHA
Chattanooga
$257 Roundtrip, found 5 hours ago
$257
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Jun 12 from Chicago to Chattanooga, returning Wed, Jun 17, priced at $257 found 5 hours ago
United
Thu, Jul 23 - Mon, Jul 27
ORD
Chicago
CHA
Chattanooga
$259 Roundtrip, found 1 day ago
$259
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jul 23 from Chicago to Chattanooga, returning Mon, Jul 27, priced at $259 found 1 day ago
American Airlines
Mon, May 11 - Mon, May 18
ORD
Chicago
CHA
Chattanooga
$259 Roundtrip, just found
$259
Roundtrip
just found
Select American Airlines flight, departing Mon, May 11 from Chicago to Chattanooga, returning Mon, May 18, priced at $259 just found
United
Sat, Jun 27 - Sat, Jul 4
ORD
Chicago
CHA
Chattanooga
$260 Roundtrip, found 20 hours ago
$260
Roundtrip
found 20 hours ago
Select United flight, departing Sat, Jun 27 from Chicago to Chattanooga, returning Sat, Jul 4, priced at $260 found 20 hours ago
United
Fri, Apr 3 - Fri, Apr 10
ORD
Chicago
CHA
Chattanooga
$264 Roundtrip, found 1 hour ago
$264
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Apr 3 from Chicago to Chattanooga, returning Fri, Apr 10, priced at $264 found 1 hour ago
Delta
Fri, Apr 10 - Mon, Apr 13
ORD
Chicago
CHA
Chattanooga
$269 Roundtrip, just found
$269
Roundtrip
just found
Select Delta flight, departing Fri, Apr 10 from Chicago to Chattanooga, returning Mon, Apr 13, priced at $269 just found

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 $264
CHA
Chattanooga Metropolitan
CheapestClosest
Average driving time to city center14 min
Flights from $264

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

March is typically the cheapest month to fly

From $178 - $456 per traveler.

Frequently asked questions

How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) cost?
You can find cheap one-way flights from $136 and cheap return flights from $249 Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) with Expedia. One-way flights typically cost between $223 and $708, and return flights often range between $314 and $945. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
February is the cheapest month to fly from Chicago, IL (ORD) to Chattanooga, TN (CHA), with average round-trip fares around $314. This is about 14% lower than the average price throughout the year, as February often experiences lower travel demand. Other budget-friendly months include January and November.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
Choose from 2 airlines operating direct flights from ORD to CHA:

  • United operates around 34 direct flights from ORD to CHA every week
  • American Airlines operates around 20 direct flights from ORD to CHA every week

What is the cheapest airline that flies from Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
United is one of the cheapest airlines offering nonstop flights from Chicago, IL (ORD) to Chattanooga, TN (CHA) starting from around $419. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
The best airline to fly with from Chicago, IL (ORD) to Chattanooga, TN (CHA) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. American Airlines offers the most daily flights from ORD to CHA, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
The ideal times to fly from Chicago, IL (ORD) to Chattanooga, TN (CHA) are January and February. Both months feature average return flight prices around $314, making them budget-friendly options. Additionally, these months typically see less travel demand, allowing for a more comfortable journey. Choosing to fly during this period can help you save money while enjoying a pleasant travel experience.*Prices based on flights available on Expedia in the last year.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
There are approximately 7 nonstop flights per day from O'Hare Intl. (ORD) to Chattanooga Metropolitan (CHA). For more options, look at flights that include layovers.
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
The earliest flight from Chicago, IL (ORD) to Chattanooga, TN (CHA) typically departs at around 12:00 AM, operated by American Airlines. This seasonal service is available in December, allowing you to start your travel day early. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
For flights from Chicago (ORD) to Chattanooga (CHA), the most popular departure times are also in the early morning, from 6am to 9am. This accounts for around 26% of total traffic. Many major carriers, including American Airlines, Delta and United, offer flights during this window. Many travelers prefer this time because it allows for a full day of activities upon arrival.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
Direct flights from ORD to CHA usually take about 2 hours, traveling roughly 501 miles. If you opt for a connecting flight, expect to add around 4 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
Select the "Business class" and "First class" filters when looking for ORD to CHA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
A non-stop, one-way business class flight from Chicago (ORD) to Chattanooga (CHA) typically costs between $513 and $763 per adult. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Chattanooga from O'Hare Intl. (ORD)?
If you're planning to travel to Chattanooga from O'Hare Intl. (ORD), you can fly into Chattanooga Metropolitan (CHA) Some flights may connect through major hubs like Logan Intl. (BOS), Indianapolis Intl. (IND), Liberty Intl. (EWR) before reaching Chattanooga. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) Chattanooga Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
If you booked your Chicago, IL (ORD-O'Hare Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. 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.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Chattanooga Metropolitan
Airlines serving
American Airlines, Delta, United
Roundtrip price
$249
Distance
501 mi
Average flight time
2 hours 49 mins

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 May. 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 $136 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.

 

Chicago to Chattanooga Flights

*Flight schedules are subject to change.

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*Available to One Key members.