Cheap Flights from Atlanta Hartsfield-Jackson to Chicago O'Hare International

Compare Atlanta Hartsfield-Jackson to Chicago O'Hare International flight deals

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Flight deals from Atlanta Hartsfield-Jackson to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Atlanta Hartsfield-Jackson 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 Hartsfield-Jackson 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 Hartsfield-Jackson to Chicago O'Hare International flights are currently cheapest in September.

Direct flights from Atlanta Hartsfield-Jackson to Chicago O'Hare International

Atlanta Hartsfield-Jackson to Chicago O'Hare International: Alternative routes

Compare routes from Atlanta Hartsfield-Jackson 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 691
Cheapest month to flySeptember
Average flight time2 hrs, 14 mins
Most popular airlineAmerican Airlines
Average flights per week673

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

The best price we found for a return flight from Atlanta Hartsfield-Jackson to Chicago O'Hare International is R 1,257. 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 14 minutes is the average flight time from Atlanta Hartsfield-Jackson to Chicago O'Hare International.
American Airlines, Alaska Airlines and Qantas fly direct from Atlanta Hartsfield-Jackson to Chicago O'Hare International.
As of August 2025, there are 673 flights per week flying from Atlanta Hartsfield-Jackson to Chicago O'Hare International.
The cheapest month to fly from Atlanta Hartsfield-Jackson to Chicago O'Hare International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Atlanta Hartsfield-Jackson Airport to Chicago O'Hare International Airport on Wednesday, 10 September 2025.
Yes – the average flight time is 2 hours and 14 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, Frontier Airlines offers the cheapest flight tickets to Chicago O'Hare International.

Travelling from Hartsfield-Jackson Atlanta International Airport (ATL) to O'Hare International Airport (ORD): what you need to know

  • Around 2 hours 10 minutes is how long you'll be travelling on a direct flight from Hartsfield-Jackson Atlanta International Airport to O'Hare International Airport.

  • The timezone in Chicago is UTC-5, which is one hour behind Atlanta.

  • Each week, there are 331 Hartsfield-Jackson Atlanta International Airport to O'Hare International Airport flights. To be on board as early as possible, go for the 06:00 United Airlines flight. If you'd rather make the most of your time before flying, the last departure is at 22:55 with Delta Air Lines.

  • Leave plenty of time to make your ATL to ORD flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for bigger queues in popular months like July. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a smart move.

  • There are plenty of direct flights from Hartsfield-Jackson Atlanta International Airport to O'Hare International Airport to pick from. When planning your Chicago journey, these airlines can fly you nonstop to this unmissable corner of United States:

  • The majority of passengers choose to fly with American Airlines on this route.

  • American Airlines is the most punctual carrier offering ATL to ORD flights. A dependable 80.77% of its services on this route arrive as scheduled.

  • If you want to add a stop to your trip, just deselect 'Direct flights only' when searching for your ticket from Hartsfield-Jackson Atlanta International Airport to O'Hare International Airport. These are the top stopovers between ATL and ORD:

    • Louisville International Airport-Standiford Field

    • General Mitchell International Airport

    • Indianapolis International Airport

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

  • R 691 is the best price for a one-way Hartsfield-Jackson Atlanta International Airport to O'Hare International Airport flight. Return flights start from R 1,257. These prices can change depending on availability and demand.

  • Get cheap tickets from ATL to ORD by booking six months ahead. According to our research, that's the sweet spot for landing a bargain.

  • May is the cheapest month for flights from Hartsfield-Jackson Atlanta International Airport to O'Hare International Airport. If you want to fly at a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • Finding cheap flights from ATL to ORD couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as there's a better deal.

  • Lock in the right flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Hartsfield-Jackson Atlanta International Airport to O'Hare International Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and journey duration.

Handy information about Hartsfield-Jackson Atlanta International Airport (ATL)

  • ATL is located at 6000 N Terminal Parkway.

  • Of all flights leaving Hartsfield-Jackson Atlanta International Airport, 76.64% touch down on time at their destination.

  • Hartsfield-Jackson Atlanta International Airport is around 18 kilometres from central Atlanta. If you're ride-sharing, catching a cab or driving from the centre, it'll take 15 minutes or so to arrive, depending on the traffic.

  • Expect a trip time of roughly 1 hour 10 minutes when using public transport.

  • Get your holiday off to a hassle-free start by staying near ATL. Whether you're taking an early flight from Hartsfield-Jackson Atlanta International Airport to O'Hare International Airport or want to avoid feeling rushed, these hotels are the answer:

Arriving at O'Hare International Airport (ORD)

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

  • ORD is located at 10000 West O'Hare.

  • O'Hare International Airport is roughly 40 kilometres from the centre of Chicago. Driving there takes about 35 minutes.

  • It takes around 55 minutes to get there using public transport.

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

  • August is the most popular month for flights from Hartsfield-Jackson Atlanta International Airport to O'Hare International Airport. To steer clear of the crowds, go to Chicago in January.

  • When booking your flight from Hartsfield-Jackson Atlanta International Airport to O'Hare International Airport, think about the kind of weather you enjoy. July is the warmest month in Chicago, with temperatures ranging from 15ºC (59ºF) to 29ºC (84ºF).

  • January has average temperatures of between -12ºC (10ºF) and 3ºC (37ºF). Search for cheap tickets from ATL to ORD sometime around then if you like cooler conditions.

Explore more of United States

  • Chicago is easy to fall in love with, 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 keep your itinerary packed. Start with leading attractions like Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

  • Indianapolis is another favourite destination in United States and is around 257 kilometres south-east of Chicago. No trip is complete without visiting 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.