$69 Cheap United flights Atlanta (ATL) to Chicago (ORD)

View $69 flight on Wed, Sep 17, 2025Opens in a new window

$69 Cheap United flights Atlanta (ATL) to Chicago (ORD)

Prices were available within the past 7 days and start at $69 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Atlanta (ATL) to Chicago (ORD)
Origin airport
Hartsfield-Jackson Atlanta Intl.
Destination airport
O'Hare Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, KEY LIME AIR DBA DENVER AIR CONNECTION, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Popular airline
Spirit Airlines
Distance
605 mi
Average flight time
1 hour 9 mins

Frequently asked questions

How much is a United Airlines flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to O'Hare Intl. Airport (ORD)?
You'll discover budget-friendly return United Airlines flights from ATL to ORD by sorting your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $69 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ATL to ORD with United Airlines?
United Airlines flights to Chicago are generally more affordable in the off-peak months of January and February. Whether you need a one-way or round-trip ticket, you could find a better deal then.
What is the cheapest time to book flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to O'Hare Intl. Airport (ORD) with United Airlines?
To find cheap United Airlines fares from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to O'Hare Intl. Airport (ORD), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the price you pay. Sunday is usually the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to O'Hare Intl. Airport (ORD)?
Depart on one of United Airlines's 26 direct weekly flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to O'Hare Intl. Airport (ORD). To see your options, enter your travel dates, origin and destination and hit search. Then use the "Nonstop" and "Airline" filters.
How long does it take to fly from ATL to ORD with United Airlines?
The travel time for a direct United Airlines flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to O'Hare Intl. Airport (ORD) typically takes 2h 13m.
Which day of the week has the most United Airlines flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to O'Hare Intl. Airport (ORD)?
If it's flexibility you're after, Wednesday offers the most choice for United Airlines flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to O'Hare Intl. Airport (ORD). You can pick from 4 different departures.
What is the earliest United Airlines flight from ATL to ORD?
The first flight from ATL to ORD with United Airlines departs at 10:15AM UTC-5. You'll touch down at 11:28AM UTC-6. The final United Airlines flight of the day takes off at 7:10PM UTC-5 and arrives at 8:24PM UTC-6. With around 20% fewer cancellations for morning departures, jetting out early is typically the smartest option.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Chicago?
O'Hare Intl. Airport (ORD) is the main arrival point for United Airlines flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Chicago. But this carrier also flies to Midway Intl. Airport (MDW). Make sure you choose the "All Airports" option for your destination to see what's available for your break in Chicago.
Why fly with United Airlines from ATL to ORD?
With a rewarding loyalty program, United Airlines is a top choice for many passengers flying from ATL to ORD. Plus, as a United Mileage Plus and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to O'Hare Intl. Airport (ORD)?
You'll likely be seated on a Boeing 737-700 or a Boeing 737-900 when flying United Airlines from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to O'Hare Intl. Airport (ORD). However, keep in mind that a different aircraft may be assigned depending on operational reasons.
Can I change or cancel my United Airlines flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to O'Hare Intl. Airport (ORD)?
Changes are often free within 24 hours of making a booking, but your airline may charge you after that. For further information about modifying your flights, check out your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to adjust your plans without additional charges, check the "Changes included" and "No cancel fee" filters when organizing your next adventure.

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*Available to One Key members.