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? 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 April.

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 foundR 446
Cheapest month to flyApril
Average flight time2 hrs, 16 mins
Most popular airlineAmerican Airlines
Average flights per week1,568

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 R 891. 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 16 minutes is the average flight time from Atlanta to Chicago O'Hare International.
American Airlines, LATAM Airlines and Alaska Airlines fly direct from Atlanta to Chicago O'Hare International.
As of March 2026, there are 1,568 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 April.
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, 14 April 2026.
Yes – the average flight time is 2 hours and 16 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 .

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

  • Atlanta's main airport is Hartsfield-Jackson Atlanta International Airport (ATL). Check out your options for departing from this terminal when searching for flights from Atlanta to O'Hare International Airport (ORD).

  • 2 hours 15 minutes is the average travel time for a direct Atlanta to O'Hare International Airport flight.

  • O'Hare International Airport is located in Chicago. The city runs on the UTC-5 timezone and is one hour behind Atlanta.

  • With 115 direct weekly flights between the two airports, Hartsfield-Jackson Atlanta International Airport (ATL) to O'Hare International Airport (ORD) is the most popular route. American Airlines operates the earliest flight at 5am. If you'd like to get more out of your day before jetting off, the last departure from ATL to ORD is with Frontier Airlines at 10:58pm.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to catch your flight from Atlanta to ORD.

  • If you're heading away during a bank holiday or other peak period, allow for even more time. Get there two hours ahead of domestic flights and up to four hours before international departures. Security and check-in lines will be longer.

Airports in Atlanta

Hartsfield-Jackson Atlanta International Airport (ATL)

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

  • Direct flights from Atlanta to O'Hare International Airport are offered by a variety of airlines at ATL. Fly with any of these:

  • Delta Air Lines is the airline with the highest number of bookings for flights from ATL to ORD.

  • American Airlines is the most punctual carrier on this route.

  • Located around 18 kilometres from central Atlanta, ATL can be reached in about 15 minutes by car, depending on traffic. The journey on public transport will take roughly 1 hour 10 minutes.

  • Want an easy start to your travels? Stay near Hartsfield-Jackson Atlanta International Airport. Whether you have an early flight from Atlanta to O'Hare International Airport or prefer not to rush, these hotels are just what you're after:

  • 76.64% of flights leaving from Hartsfield-Jackson Atlanta International Airport land at their destination on schedule.

  • ATL is located at 6000 N Terminal Parkway.

About O'Hare International Airport (ORD)

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

  • O'Hare International Airport is about 26 kilometres from central Chicago. How long it'll take to get there by car hire or cab will depend on the time of day. Do some research before your trip.

  • Travelling by public transport will take you roughly 55 minutes.

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

  • R 446 is the lowest price for a one-way ticket from Atlanta to O'Hare International Airport. Return flights start from R 891. These fares may change based on availability.

  • Booking in advance is often the key to scoring a cheap flight from Atlanta to ORD. Airlines adjust prices based on demand, so the closer you get to departure, the more you'll likely spend.

  • If you have some flexibility with your travel dates, use the 'Whole month' tool. It'll show you the cheapest price in every month when searching for your Atlanta to O'Hare International Airport ticket.

  • Finding a cheap plane ticket from Atlanta to ORD couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as the price has dropped.

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

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

  • Picture the kind of break you want when deciding when to fly. February is the quietest month to go to Chicago. August is when most people book flights from Atlanta to O'Hare International Airport (ORD), which may be perfect if you're after more excitement.

  • When booking your Atlanta to ORD plane ticket, consider the type of weather you enjoy. July is the warmest month in Chicago, with temperatures ranging from 15ºC (59ºF) to 29ºC (84ºF).

  • If you want to travel in cooler conditions, look for a cheap ticket from Atlanta to O'Hare International Airport in January when temperatures are between -12ºC (10ºF) and 3ºC (37ºF).

More about Chicago

Explore more of the United States

  • Indianapolis is just one of the many cities in the United States waiting to be discovered once you've seen Chicago. Around 290 kilometres away to the south-east, its best attractions include 9-11 Memorial, Lucas Oil Stadium and Eiteljorg Museum.

  • Around 121 kilometres north of Chicago, Milwaukee is another essential stop in the United States. No visit is complete without checking out Richards Duplex Apartments by Frank Lloyd Wright, Miller Park and Milwaukee County Zoo.

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