$204 Cheap American Airlines flights Chicago (ORD) to Milwaukee (MKE)

Finding cheap one-way American Airlines flights from ORD to MKE from $204 on Expedia is simple — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $179 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.

Search for affordable American Airlines flights from O'Hare Intl. Airport (ORD) to General Mitchell Intl. Airport (MKE) one to three months prior to your departure. 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. Regardless of fare type and journey, the best day of the week 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.

The earliest flight from ORD to MKE with American Airlines departs at 10:14AM UTC-6. You'll land at 11:11AM UTC-6. The final American Airlines flight of the day leaves at 8:20PM UTC-6 and arrives at 9:28PM UTC-6. With around 20% fewer cancellations for departures before noon, beginning your travel day early is generally 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.