$174 Cheap American Airlines flights Chicago (ORD) to Peoria (PIA)

Landing cheap one-way American Airlines flights from ORD to PIA from $174 on Expedia couldn't be simpler --- just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $179 for your next getaway.**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.

Look for affordable American Airlines flights from O'Hare Intl. Airport (ORD) to Greater Peoria Regional Airport (PIA) one to three months before your departure day. 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. No matter the fare type and itinerary, the best day to book a domestic flight is usually Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book 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.

Taking off from ORD at 2:55PM UTC-6, the first American Airlines flight to PIA lands at 4:01PM UTC-6. Traveling early means you'll be less likely to experience cancellations.* After something later? The last American Airlines flight from ORD to PIA departs at 7:00PM UTC-6 and touches down at 7:58PM 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.