Book cheap flights to Chicago (ORD) with United Airlines. Enjoy all the in-flight perks on your Chicago flight, including speed Wi-Fi.

Book cheap flights to Chicago (ORD) with United Airlines. Enjoy all the in-flight perks on your Chicago flight, including speed Wi-Fi.

Find United Airlines cheap flights from Portland, OR to Chicago. Enjoy a Portland, OR to Chicago modern flight experience in premium cabins with Wi-Fi.

Find United Airlines cheap flights from Huntsville to Chicago. Enjoy a Huntsville to Chicago modern flight experience in premium cabins with Wi-Fi.

Find United Airlines cheap flights from Dayton to Chicago. Enjoy a Dayton to Chicago modern flight experience in premium cabins with Wi-Fi.

Find United Airlines cheap flights from Oklahoma City to Chicago. Enjoy a Oklahoma City to Chicago modern flight experience in premium cabins with Wi-Fi.

Find United Airlines cheap flights from Newark/New York to Chicago. Enjoy a Newark/New York to Chicago modern flight experience in premium cabins with Wi-Fi.

Find United Airlines cheap flights from San Francisco to Chicago. Enjoy a San Francisco to Chicago modern flight experience in premium cabins with Wi-Fi.

Find the latest travel deals on flights, hotels and rental cars. Book airline tickets and MileagePlus award tickets to worldwide destinations.

Save big with United best flight deals from Chicago (ORD). Fly from Chicago in premium cabins with great Wi-Fi and in-flight entertainment.