Cheap Flights from Chicago O'Hare International to Chattanooga

Compare Chicago O'Hare International to Chattanooga flight deals

Find the cheapest month or even day of the year to fly to Chattanooga

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Flight deals from Chicago O'Hare International to Chattanooga

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International Airport to Chattanooga Airport? If you want to travel next month, return fares start from Rs68,496. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago O'Hare International to Chattanooga

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Chattanooga flights are currently cheapest in July.

Direct flights from Chicago O'Hare International to Chattanooga

Chicago O'Hare International to Chattanooga: Alternative routes

Compare routes from Chicago O'Hare International to Chattanooga below. You may find an airport to fly into that's cheaper, faster, or easier than Chattanooga.

Chicago to Chattanooga: Flight information

The things to know before you go.
Cheapest flight foundRs28,947
Cheapest month to flyJuly
Average flight time1 hr, 52 mins
Most popular airlineUnited
Average flights per week91

Finding cheap flights from Chicago O'Hare International to Chattanooga: Frequently asked questions

The best price we found for a return flight from Chicago O'Hare International to Chattanooga is Rs68,002. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 52 minutes is the average flight time from Chicago O'Hare International to Chattanooga.
United, American Airlines and GoJet Airlines fly direct from Chicago O'Hare International to Chattanooga.
As of June 2026, there are 91 flights per week flying from Chicago O'Hare International to Chattanooga.
The cheapest month to fly from Chicago O'Hare International to Chattanooga is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Chattanooga Airport on Saturday, 15 August 2026.
Yes – the average flight time is 1 hour and 52 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chattanooga but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chattanooga is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and United offer the cheapest flight tickets to Chattanooga.

Flying from O'Hare International Airport (ORD) to Chattanooga Airport (CHA): what you need to know

  • Arrive at the airport on time so you don't miss your ORD to CHA flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • Be prepared for bigger queues during popular months like August. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a wise move.

  • United Airlines offers direct flights from O'Hare International Airport to Chattanooga Airport. Book with this popular carrier, then get ready to check out the sights in Chattanooga — and maybe even more of United States if your schedule allows.

  • United Airlines is the top choice for travellers on this route.

  • With 67.44% of its services landing as planned, United Airlines is the most punctual carrier offering ORD to CHA flights.

  • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from O'Hare International Airport to Chattanooga Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to tour your chosen city. Some great stopovers between ORD and CHA include:

    • Hartsfield-Jackson Atlanta International Airport

    • Charlotte Douglas International Airport

    • Ronald Reagan National Airport

How to find the cheapest flights from O'Hare International Airport (ORD) to Chattanooga Airport (CHA)

  • The lowest price we've found for a one-way O'Hare International Airport to Chattanooga Airport flight is Rs28,947. A return fare is currently Rs68,002. Depending on the availability when you book, these fares may change.

  • To find cheap tickets from ORD to CHA, book as early as you can. Airlines generally offer lower prices when flights are first released.

  • The 'Whole month' tool shows you the cheapest flights from O'Hare International Airport to Chattanooga Airport throughout the entire month. It's a great way to find a bargain if your trip dates are flexible.

  • Landing cheap flights from ORD to CHA is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as there's a better deal.

  • Secure the perfect flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from O'Hare International Airport to Chattanooga Airport, use the 'Sort by' tool. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about O'Hare International Airport (ORD)

  • ORD is located at 10000 West O'Hare.

  • Of the flights that depart from O'Hare International Airport, 74.85% arrive as scheduled at their destination.

  • Central Chicago to O'Hare International Airport is approximately 40 kilometres. Depending on traffic, it'll take you about 35 minutes to get there if you're catching a cab, ride-sharing or driving.

  • The journey on public transport takes about 55 minutes.

  • Need a convenient hotel near ORD? If you're catching an early flight from O'Hare International Airport to Chattanooga Airport, these stays will have you moments from your departure lounge:

Arriving at Chattanooga Airport (CHA)

Getting from Chattanooga Airport (CHA) to central Chattanooga

  • Chattanooga Airport is roughly 21 kilometres from the centre of Chattanooga. The drive time takes around 15 minutes.

  • Travelling on public transport typically takes 1 hour 10 minutes.

When to fly to Chattanooga Airport (CHA)

  • The quietest month for a flight from O'Hare International Airport to Chattanooga Airport is February, while June is the busiest. Choose the best time to visit Chattanooga based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When reserving your flight from O'Hare International Airport to Chattanooga Airport, think about the kind of weather you like. July is the warmest month in Chattanooga, with the temperature ranging from 17ºC to 30ºC.

  • For cooler conditions, look for a cheap ticket from ORD to CHA in January. Temperatures average between -5ºC and 10ºC then.

Explore more of United States

  • Charlotte is just one of the many places in United States waiting to be discovered after you've seen Chattanooga. Around 402 kilometres away to the east, check out popular attractions including NASCAR Hall of Fame, Freedom Park and Carolinas Aviation Museum.

  • Memphis is another must-experience destination in United States and is around 434 kilometres west of Chattanooga. No trip is complete without a visit to Beale Street, National Civil Rights Museum and Sun Studio.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.