$91 Cheap American Airlines flights Chicago (ORD) to Birmingham (BHM)

You can find affordable round-trip American Airlines flights from $191 from ORD to BHM by sorting your results from "Price (lowest to highest)" on Expedia. Or search for options from $91 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.

Start searching one to three months ahead of your departure date to find cheaper fares on American Airlines flights from O'Hare Intl. Airport (ORD) to Birmingham Intl. Airport (BHM). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to 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.* Time it well, and you can enjoy significant savings on domestic trips.*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.

Departing ORD at 9:40AM UTC-6, the first American Airlines flight to BHM arrives at 11:46AM UTC-6. Traveling earlier in the day means you'll be less likely to experience cancellations.* Prefer to travel later? The last American Airlines flight from ORD to BHM departs at 9:40AM UTC-6 and touches down at 11:46AM UTC-6.*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.