$211 Cheap American Airlines flights Chicago (ORD) to Rochester (RST)

Finding cheap one-way American Airlines flights from ORD to RST from $211 on Expedia is a cinch --- just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $309 for your next exciting adventure.**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.

To find cheap American Airlines fares from O'Hare Intl. Airport (ORD) to Rochester Intl. Airport (RST), start searching one to three months before your planned departure. Reserving 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 impact the overall price. Sunday is usually the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking 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.

Setting off from ORD at 10:10AM UTC-6, the earliest American Airlines flight to RST arrives at 11:31AM UTC-6. Traveling earlier in the day means you'll be less likely to experience cancellations.* Prefer a later start? The last American Airlines flight from ORD to RST departs at 8:35PM UTC-6 and touches down at 10:08PM 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.