$139 Cheap American Airlines flights Tucson (TUS) to Chicago (ORD)

You can discover affordable round-trip American Airlines flights from $259 from TUS to ORD by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $139 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.

For cheap American Airlines fares from Tucson Intl. Airport (TUS) to O'Hare Intl. Airport (ORD), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the price you pay. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**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 first American Airlines flight from TUS to ORD departs at 6:00AM UTC-7, touching down at 10:28AM UTC-6. If you want to set off later in the day, the last American Airlines flight leaves TUS at 2:35PM UTC-7 and lands at ORD at 7:03PM UTC-6. Flying before midday is often a smart option as morning flights are 20% less likely to be canceled.**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.