Cheap flights from Atlanta to Chicago O'Hare Intl Airport
ATL — ORD
11 Jan — 18 Jan1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl are usually found in January or February, booked 77 days in advance, depart on a Tuesday or Monday and return on a Saturday
Find flight deals from Atlanta to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 December 2025.
Popular in
April
Cheapest in
January
Average price
C$ 272
Highest demand for flights based on searches. 3% potential increase in price (C$ 13 potential increase over avg. RT price).
Best time to book a flight from Atlanta to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Atlanta with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Atlanta to Chicago O'Hare Intl Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Atlanta to Chicago O'Hare Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Atlanta to O'Hare Intl. Price data was last updated on 5 December 2025.
To ensure you get the cheapest price possible for a flight from Atlanta to Chicago O'Hare Intl Airport, you should look to book at least 77 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Atlanta to Chicago O'Hare Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Atlanta to Chicago O'Hare Intl Airport (average of C$ 68). Flying from Atlanta to Chicago O'Hare Intl Airport in June is currently the most expensive (average of C$ 110). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ATL to ORD?
Find hourly flight availability from Atlanta to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.
When flying from Atlanta to Chicago O'Hare Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 91% versus a flight in the afternoon.
Weekly flight availability from Atlanta to Chicago O'Hare Intl Airport
Explore weekly flight availability from Atlanta to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 December 2025.
The most flights from ATL to ORD are scheduled on a Thursday (79 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 on average).
How often are flights from Atlanta to Chicago delayed?
About 12% of weekly flights between Atlanta and Chicago have experienced delays in the past year, with the average delay time being 139 minutes.
What is the most punctual flight time for Atlanta to Chicago flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Atlanta to Chicago flights?
Over the past year, United Airlines has had the lowest number of delays on this route, with just 7% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Atlanta to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly from for flights from Atlanta to Chicago O'Hare Intl?
Atlanta Hartsfield-Jackson (ATL), located 13.2 km from the city centre, is the airport you fly out of when you book flights from Atlanta to Chicago O'Hare Intl. 0 airlines have flights from Hartsfield-Jackson to Chicago O'Hare Intl on a regular basis. Booking flights from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl should not be difficult; the airport handles an average of 57 outbound flights to Chicago O'Hare Intl per day.
What are the most reliable airlines from Atlanta to Chicago O'Hare Intl Airport?
Consider Cathay Pacific (90%), SkyWest Airlines (88%) or WestJet (83%) when booking your flight. These represent the most reliable airlines when flying from Atlanta to Chicago O'Hare Intl Airport.
Can I find deals for flights from Atlanta to O'Hare Intl that include hotel bookings?
Yes. In addition to deals on Atlanta to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Atlanta to O'Hare Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Atlanta to O'Hare Intl.
Can I find deals for business class flights from Atlanta to O'Hare Intl?
Yes. Cheapflights offers flight deals from Atlanta to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Atlanta to Chicago O'Hare Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Atlanta to Chicago O'Hare Intl Airport (average of C$ 68). Flying from Atlanta to Chicago O'Hare Intl Airport in June is currently the most expensive (average of C$ 110). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Browse through other flights departing from Atlanta. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Atlanta to O'Hare Intl?
When you search for this flight from Atlanta to O'Hare Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Atlanta to O'Hare Intl?
Millions of users choose and trust Cheapflights to book the best flight deals from Atlanta to O'Hare Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Atlanta to O'Hare Intl with no change fees?
Yes, we can. To see specific flights from Atlanta to O'Hare Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Atlanta to O'Hare Intl become cheaper?
Of course! You can now track prices for flights from Atlanta to O'Hare Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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