$46 Cheap American Airlines flights Grand Rapids (GRR) to Chicago (ORD)

Grab affordable round-trip American Airlines flights from $91 from GRR to ORD by filtering your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $46 for a one-way trip.**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 Gerald R. Ford Intl. Airport (GRR) to O'Hare Intl. Airport (ORD), 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 affect the cost. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book 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 flight from GRR to ORD with American Airlines departs at 7:00AM UTC-5. You'll land at 7:15AM UTC-6. The final American Airlines flight of the day leaves at 7:17PM UTC-5 and arrives at 7:36PM UTC-6. With approximately 20% fewer cancellations for morning departures, beginning your travel day early is usually the smartest choice.**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.