Cheap Flights from Atlanta to Chicago O'Hare International

Compare Atlanta 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 Atlanta to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Atlanta to Chicago O'Hare International Airport? If you want to travel next month, return fares start from ر.ق.‏ 238. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Atlanta 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 Atlanta to Chicago O'Hare International flights are currently cheapest in September.

Direct flights from Atlanta to Chicago O'Hare International

Atlanta to Chicago O'Hare International: Alternative routes

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

Atlanta to Chicago: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 117
Cheapest month to flySeptember
Average flight time2 hrs, 19 mins
Most popular airlineAmerican Airlines
Average flights per week1,190

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

The best price we found for a return flight from Atlanta to Chicago O'Hare International is ر.ق.‏ 237. 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 19 minutes is the average flight time from Atlanta to Chicago O'Hare International.
American Airlines, LATAM Airlines and British Airways fly direct from Atlanta to Chicago O'Hare International.
As of May 2026, there are 1,190 flights per week flying from Atlanta to Chicago O'Hare International.
The cheapest month to fly from Atlanta to Chicago O'Hare International is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Atlanta to Chicago O'Hare International Airport on Tuesday, 15 September 2026.
Yes – the average flight time is 2 hours and 19 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.
The cheapest airline that flies to Chicago O'Hare International is Frontier Airlines .

Travelling from Atlanta to Chicago O'Hare International Airport (ORD): What you need to know

  • Your adventure will begin at Atlanta Hartsfield-Jackson International Airport (ATL), the main airport in Atlanta. Look for flights from Atlanta to Chicago O'Hare International Airport (ORD) that take off from this base.

  • 2 hours 15 minutes is the average duration of a direct Atlanta to Chicago O'Hare International Airport flight.

  • Chicago is one hour behind Atlanta. Chicago O'Hare International Airport is located in Chicago, which operates on the UTC-6 timezone.

  • Atlanta Hartsfield-Jackson International Airport (ATL) to Chicago O'Hare International Airport (ORD) is the most popular route. There are 116 direct weekly flights to pick from. If you have things to do before leaving, hop on the last flight with Frontier Airlines at 10:58pm. Choose the first ATL to ORD departure with American Airlines at 5am if getting there sooner works for you.

  • Your flight from Atlanta to ORD won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • With more people on the move during peak months like March, be at your terminal even earlier. Two hours for domestic flights and as much as four for international journeys will help you stay ahead of the crowds. Remember things also get busy during major holidays like Thanksgiving.

Airports in Atlanta

Atlanta Hartsfield-Jackson International Airport (ATL)

  • Get there in one go from Atlanta Hartsfield-Jackson International Airport (ATL). Direct flights from Atlanta to Chicago O'Hare International Airport (ORD) operate from here.

  • Choose from a variety of carriers offering direct flights from Atlanta to Chicago O'Hare International Airport leaving from ATL. Book your seat with one of these:

  • Delta sees the most traveller bookings for flights from ATL to ORD.

  • The carrier with the top on-time arrival performance on this route is American Airlines.

  • ATL is around 16 kilometres from central Atlanta. If you're ride-sharing, driving or catching a taxi from the centre, it'll take 20 minutes or so to get there, depending on the traffic. If you're using public transport, expect the journey time to be around 20 minutes.

  • Want a leisurely start to your trip? Stay near Atlanta Hartsfield-Jackson International Airport. Whether you have an early flight from Atlanta to Chicago O'Hare International Airport or want to avoid feeling rushed, these hotels have you covered:

  • When it comes to Atlanta Hartsfield-Jackson International Airport's on-time performance, 77% of flights meet their scheduled arrival time.

  • You'll find ATL at 6000 N Terminal Parkway.

About Chicago O'Hare International Airport (ORD)

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

  • Chicago O'Hare International Airport is around 27 kilometres from central Chicago. It takes around 30 minutes or so to drive to the city.

  • It takes around 45 minutes if you're travelling on public transport.

How to find the cheapest flights from Atlanta to Chicago O'Hare International Airport (ORD)

  • The cheapest price we've found for a one-way ticket from Atlanta to Chicago O'Hare International Airport is ر.ق.‏ 117. For a return flight on this route, the best price is ر.ق.‏ 237. Depending on when and how early you book, these fares may change.

  • To pick up cheap flights from Atlanta to ORD, book early. Airlines tend to offer lower fares when tickets first go on sale.

  • If you have some flexibility with your trip dates, try using the 'Whole month' search tool. It'll show you the cheapest price across every month when searching for your Atlanta to Chicago O'Hare International Airport ticket.

  • Stay on top of deals for plane tickets from Atlanta to ORD by setting up a Price Alert. We'll send you an email or notification through the app when fares go down.

  • Tailor your flights using filters. Pick your preferred arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Atlanta to Chicago O'Hare International Airport.

The best time to fly from Atlanta to Chicago O'Hare International Airport (ORD)

  • January is the quietest month for flights from Atlanta to Chicago O'Hare International Airport (ORD), while July is the most popular. Figure out the ideal time to go to Chicago based on whether you prefer a laid-back vibe or a lively atmosphere.

  • The warmest month in Chicago is July, with temperatures ranging between 15ºC and 29ºC. Lock in your Atlanta to ORD plane ticket then if that's your ideal forecast.

  • January has temperatures of between -12ºC and 3ºC. Search for cheap tickets from Atlanta to Chicago O'Hare International Airport around that time if you want to travel in cooler conditions.

More about Chicago

Explore more of the United States

  • Indianapolis is just one of the many places in the United States waiting to be explored after you've experienced Chicago. Around 290 kilometres away to the southeast, check out popular attractions including Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis.

  • If there's time to check out another corner of the United States, consider Milwaukee, roughly 121 kilometres north of Chicago. Richards Duplex Apartments by Frank Lloyd Wright, Miller Park and Milwaukee County Zoo are among its highlights.

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