$37 Cheap Spirit Airlines flights Atlanta (ATL) to Chicago (ORD)

You’ll discover cheap return Spirit Airlines flights from $74 from ATL to ORD by filtering your results from “Price (lowest to highest)” on Expedia. Or search for options from $37 for a one-way journey.**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.

Spirit Airlines flights to Chicago are usually more affordable in the off-peak months of January and February. Whether you need a one-way or a return ticket, you could find a better deal then.

Search for cheap Spirit Airlines flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to O’Hare Intl. Airport (ORD) one to three months before your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and journey, the ideal day to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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.

Click on the “Nonstop” filter when browsing for direct Spirit Airlines flights from ATL to ORD. It’s also a great way to compare other carriers servicing the same nonstop journey.

To find the earliest departure from ATL to ORD with Spirit Airlines, sort your results by “Early Morning” and “Morning.” Choosing an early flight generally means cancellations are less likely.**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.

Catch a Spirit Airlines flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Chicago, and you’re most likely to come in to O’Hare Intl. Airport (ORD). This is the airline’s main hub here.

Offering a rewarding loyalty program, Spirit Airlines is a favorite of many travelers journeying from ATL to ORD. Plus, if you’re a Free Spirit and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of ticket you purchased, a fee may apply if you cancel or reschedule your flight more than 24 hours after it’s been confirmed. To secure plane tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes when searching for flights. For more information on canceling or changing your reservation, visit “Trips,” select your flight and click on “Manage Booking.”