$80 Cheap United flights Chicago (ORD) to Atlanta (ATL)

You’ll discover affordable return United Airlines flights from $159 from ORD to ATL by filtering your results from “Price (lowest to highest)” on Expedia. Or search for options from $80 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.

January is one of the least expensive months to travel to Atlanta with United Airlines. You could also find fantastic deals on one-way and round-trip fares in February.

Begin your search one to three months ahead of your travel date to find cheaper fares on United Airlines flights from O’Hare Intl. Airport (ORD) to Hartsfield-Jackson Atlanta Intl. Airport (ATL). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic flights.*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.

Jet off on one of United Airlines’s 26 weekly direct flights from O’Hare Intl. Airport (ORD) to Hartsfield-Jackson Atlanta Intl. Airport (ATL). To view available options, enter your dates, origin and destination and hit search. Then apply the “Nonstop” and “Airline” filters.

Leave O’Hare Intl. Airport (ORD) for Hartsfield-Jackson Atlanta Intl. Airport (ATL) on a direct United Airlines flight, and you’ll be airborne for about 2h 7m.

If flexibility is what you’re after, Monday offers the most choice for United Airlines flights from O’Hare Intl. Airport (ORD) to Hartsfield-Jackson Atlanta Intl. Airport (ATL). You can pick from 4 different departures.

Departing ORD at 7:30AM UTC-6, the earliest United Airlines flight to ATL arrives at 10:37AM UTC-5. Flying earlier in the day means you’re less likely to encounter cancellations or delays.* After something later? The last United Airlines flight from ORD to ATL departs at 6:33PM UTC-6 and touches down at 9:43PM UTC-5.*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.

Hartsfield-Jackson Atlanta Intl. Airport (ATL) is the main Atlanta hub for United Airlines flights from O’Hare Intl. Airport (ORD).

Offering a rewarding loyalty program, United Airlines is a top pick for many travelers flying from ORD to ATL. Plus, as a United Mileage Plus and One Key™ member booking through Expedia, you could 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.

You’ll likely be on a Boeing 737-700 or an Airbus A319 when flying United Airlines from O’Hare Intl. Airport (ORD) to Hartsfield-Jackson Atlanta Intl. Airport (ATL). However, keep in mind that a different plane may be assigned due to operational demands.

Typically, you can reschedule or cancel your flight, although there may be a charge if you made your booking more than 24 hours ago. Want to keep your options open? Use our “Changes included” and “No cancel fee” filters to find flights that won’t charge extra if you have to adjust your plans. To update your itinerary, visit “Trips,” select your flight and click on “Manage Booking” for more information.