$234 Cheap American Airlines flights Chicago (ORD) to Bloomington (BMI)

Make use of the "Price (lowest to highest)" filter on Expedia to search for cheap American Airlines round-trip flights from $335 from ORD to BMI. Affordable one-way options from $234 are available too.**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.

Begin your search one to three months ahead of your departure date to score cheaper fares on American Airlines flights from O'Hare Intl. Airport (ORD) to Central Illinois Regional Airport (BMI). 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.* Get your timing right, 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.

The earliest American Airlines flight from ORD to BMI departs at 10:47AM UTC-6, arriving at 11:47AM UTC-6. If you'd like to set off later, the last American Airlines flight leaves ORD at 9:45PM UTC-6 and touches down at BMI at 10:46PM UTC-6. Flying before noon is often a smart choice as morning and mid-morning flights tend to experience fewer cancellations.**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.