Cheap Flights from Chattanooga to Chicago O'Hare International

Compare Chattanooga to Chicago O'Hare International flight deals

Find the cheapest month or even day of the year to fly to Chicago O'Hare International

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Flight deals from Chattanooga to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Chattanooga to Chicago O'Hare International? Find the lowest prices on one-way and return tickets right here.

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

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

Direct flights from Chattanooga to Chicago O'Hare International

Chattanooga to Chicago O'Hare International: Alternative routes

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

Chattanooga to Chicago: Flight information

The things to know before you go.
Cheapest flight foundR 1,886
Cheapest month to flyDecember
Average flight time2 hrs, 6 mins
Most popular airlineUnited
Average flights per week58

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

The best price we found for a return flight from Chattanooga to Chicago O'Hare International is R 3,337. 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.
2 hours and 6 minutes is the average flight time from Chattanooga to Chicago O'Hare International.
United, GoJet Airlines and SkyWest Airlines fly direct from Chattanooga to Chicago O'Hare International.
As of August 2025, there are 58 flights per week flying from Chattanooga to Chicago O'Hare International.
The cheapest month to fly from Chattanooga to Chicago O'Hare International is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chattanooga Airport to Chicago O'Hare International Airport on Saturday, 18 October 2025.
Yes – the average flight time is 2 hours and 6 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 Chicago O'Hare International 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 Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Chicago O'Hare International.

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

  • Around 2 hours is how long you'll be travelling on a direct flight from Chattanooga Airport to O'Hare International Airport.

  • Chicago is one hour behind Chattanooga and observes the UTC-5 timezone.

  • Take your pick of 30 weekly Chattanooga Airport to O'Hare International Airport flights. The 06:45 departure with United Airlines is the earliest flight you can take. United Airlines operates the last service of the day at 17:49.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to catch your CHA to ORD flight.

  • During popular months such as June, it's a good idea to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead for an international flight when you travel during a peak period in general.

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

  • The airline with the highest passenger demand on this route is United Airlines.

  • With 66.86% of services arriving as planned, United Airlines is the most punctual carrier offering CHA to ORD flights.

  • Consider adding a stopover when booking your ticket from Chattanooga Airport to O'Hare International Airport. Simply uncheck 'Direct flights only' to break up your journey, or even explore someplace new along the way. Here's where you can stop between CHA and ORD:

    • Hartsfield-Jackson Atlanta International Airport

    • Charlotte Douglas International Airport

    • Dallas/Fort Worth International Airport

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

  • The lowest price we've found for a one-way Chattanooga Airport to O'Hare International Airport flight is R 1,886. A round-trip plane ticket right now is R 3,337. Depending on the availability and when you book, these fares can change.

  • Get cheap tickets from CHA to ORD by booking six months ahead. Based on our research, that's the sweet spot for finding a bargain.

  • The cheapest month for flights from Chattanooga Airport to O'Hare International Airport is May. Use the 'Whole month' tool to find the lowest prices if you have flexible dates.

  • You don't need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll update you as soon as a special offer becomes available on cheap flights from CHA to ORD.

  • Tailor your trip using filters. Choose your ideal departure and arrival times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Best' or 'Cheapest' flights from Chattanooga Airport to O'Hare International Airport.

Handy information about Chattanooga Airport (CHA)

  • When it comes to the on-time performance of Chattanooga Airport, 76.74% of flights stick to their scheduled arrival time.

  • Central Chattanooga to Chattanooga Airport is around 21 kilometres. Depending on traffic, it'll take about 15 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Catching public transport? Expect a journey time of around 1 hour 10 minutes.

  • Get your trip off to a leisurely start by staying near CHA. Whether you're catching an early flight from Chattanooga Airport to O'Hare International Airport or just don't want to be rushed, these stays are perfect:

Arriving at O'Hare International Airport (ORD)

Getting from O'Hare International Airport (ORD) to central Chicago

  • You'll find ORD at 10000 West O'Hare.

  • O'Hare International Airport to the centre of Chicago has a drive time of about 35 minutes. It's approximately 40 kilometres away.

  • It'll take around 55 minutes if you're using public transport.

When to fly to O'Hare International Airport (ORD)

  • The quietest month for a flight from Chattanooga Airport to O'Hare International Airport is January, while August is the most popular. Choose the ideal time to go to Chicago based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Before locking in your flight from Chattanooga Airport to O'Hare International Airport, think about the type of weather you like. July is the warmest month in Chicago, with temperatures ranging from 15ºC (59ºF) to 29ºC (84ºF).

  • Look for cheap tickets from CHA to ORD in January if you like cooler conditions. Temperatures are at their lowest then, ranging between -12ºC (10ºF) and 3ºC (37ºF) on average.

Explore more of United States

  • Chicago has its own special appeal, but there are so many other parts of United States you should also see. About 451 kilometres south-east of Chicago, a visit to Columbus will fill your itinerary to the brim. Start with popular sights like Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

  • Indianapolis is another standout destination in United States and is around 257 kilometres south-east of Chicago. No trip is complete without seeing The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.