C$144 Cheap Flights from Chattanooga (CHA) to Chicago (CHIA)

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Flight deals from Chattanooga to Chicago

Looking for a cheap last-minute deal or the best return flight from Chattanooga Airport to Chicago? If you want to travel next month, return fares start from C$345. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chattanooga to Chicago

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

Which airlines fly from Chattanooga to Chicago?

Chattanooga to Chicago: Flight information

The things to know before you go.
Cheapest flight foundC$144
Cheapest month to flyOctober
Average flight time2 hrs, 10 mins
Most popular airlineAmerican Airlines
Average flights per week90

Finding cheap flights from Chattanooga to Chicago: Frequently asked questions

There are 4 airports in Chicago: Chicago Midway, Chicago O'Hare International, Chicago Dupage County, and Chicago Rockford.
The best price we found for a return flight from Chattanooga to Chicago is C$345. 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 10 minutes is the average flight time from Chattanooga to Chicago.
American Airlines, United and Envoy Air fly direct from Chattanooga to Chicago.
As of June 2026, there are 90 flights per week flying from Chattanooga to Chicago.
The cheapest month to fly from Chattanooga to Chicago is usually December.
If you're flying from Chattanooga Airport, the cheapest airport near Chicago is Chicago O'Hare International – which is 25.4 km away from the centre of Chicago. We've found flights into this airport from C$345.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chattanooga Airport to Chicago on Thursday, December 3, 2026.
Yes – the average flight time is 2 hours and 10 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 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.
In June, the average temperature is usually around 19°C. July is typically the warmest month in Chicago, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is August.
Currently, United offers the cheapest flight tickets to Chicago.

Travelling from Chattanooga Airport (CHA) to Chicago: what you need to know

  • Chattanooga Airport is located in Chattanooga. Operating on the UTC-5 timezone, Chicago is 1 hour behind Chattanooga.

  • The busiest route is from Chattanooga Airport (CHA) to O'Hare International Airport (ORD). Take your pick of 30 weekly services between these two airports. If you want to get going as soon as possible, the earliest flight from CHA to ORD is the 06:45 United option. If you prefer to travel later, the last departure is at 17:49 with United.

  • Leave plenty of time to make your flight from CHA to Chicago. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Getting away during a peak month like September? Popular periods (like Thanksgiving, Christmas/New Year and spring break) can easily add another hour at check-in and security. Be extra safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.

  • You can book a nonstop flight from Chattanooga Airport to Chicago that lands at O'Hare International Airport (ORD).

  • Check out the promotions from United. This airline operates direct flights from Chattanooga Airport to Chicago.

  • After booking your flight tickets from Chattanooga Airport to Chicago, get your documents ready. A visa or passport isn't needed since you're travelling within United States. As long as you have some other valid proof of identity, like an ID card or driver's licence, you're ready to go.

  • The journey from central Chattanooga to CHA takes about 1 hour and 9 minutes on public transport. If you ride-share, drive or grab a cab, you'll cover the 21 kilometres in 17 minutes or so, depending on traffic conditions.

  • Searching for a convenient hotel near CHA? If you're catching an early flight from Chattanooga Airport to Chicago, these stays will have you moments from check-in:

How to find the cheapest flights from Chattanooga Airport (CHA) to Chicago

  • C$144 is the lowest price we've seen for a one-way ticket from Chattanooga Airport to Chicago. For a return flight on this route, the best price is C$345. Depending on the availability and when you book, these fares can change.

  • Get cheap tickets from CHA to Chicago by booking 9 months ahead. According to our research, that's the sweet spot for finding the biggest deals.

  • The cheapest month for tickets from Chattanooga Airport to Chicago is May. You can easily compare prices using the 'Whole month' tool to find the dates with the lowest fares.

  • Set up a Price Alert for cheap tickets from CHA to Chicago. There's no need to search every day to see if prices have dropped. We'll tell you as soon as the price changes.

  • Make the most of the filters to find your ideal trip. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Chattanooga Airport to Chicago, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and journey duration.

Airports in Chicago

O'Hare International Airport (ORD)

Chicago Midway International Airport (MDW)

Best time to go to Chicago

  • It's time to work out your dates for your flight from Chattanooga Airport to Chicago. August is the busiest month for a trip to Chicago. If you prefer a more relaxed vibe, go in February.

  • The warmest month in Chicago is July, with the temperature ranging between 15ºC and 29ºC. Lock in your flights from Chattanooga Airport to Chicago in this month if you enjoy this type of weather.

  • Look for cheap flights from CHA to Chicago in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -12ºC and 3ºC on average.

More about Chicago

  • When it comes to searching for somewhere to rest your head, you'll find the most popular stays in Chicago right here. Explore these options once you've locked in your flight from Chattanooga Airport to Chicago:

  • Millennium Park and Art Institute of Chicago are just a couple of the major attractions to add to your Chicago must-do list. Continue your sightseeing adventures at LandShark Beer Garden at Navy Pier.

Complete your Chicago trip with a car rental

  • We use the same magic that helped you find your cheap flight from Chattanooga Airport to Chicago to track down amazing deals on car rentals. Search for your ride in seconds and compare offers in one place. Plus we give you all the info you need to know about car rentals in Chicago, from the most popular rental company to the average daily price.

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