$80 Cheap American Airlines flights Los Angeles (LAX) to Chicago (ORD)

Grab cheap round-trip American Airlines flights from $172 from LAX to ORD by filtering your results from "Price (lowest to highest)" on Expedia. Or search for deals from $80 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.

Search for cheap American Airlines flights from Los Angeles Intl. Airport (LAX) to O'Hare Intl. Airport (ORD) one to three months ahead of 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 class and itinerary, the best day to book a domestic flight is generally Sunday and the most expensive tends to be 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.

Jetting off from LAX at 6:00AM UTC-8, the earliest American Airlines flight to ORD arrives at 12:09PM UTC-6. Flying earlier in the day means you'll be less likely to experience cancellations.* After something later? The last American Airlines flight from LAX to ORD departs at 11:59PM UTC-8 and touches down at 6:05AM 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.