Average price (all airlines)
United Airlines offers 15 flights from Chicago O'Hare Intl Airport to Las Vegas for under $300. Prices vary by date and time. To see all prices and select your dates, click here.
Cheapflights users who travel with United Airlines (a popular airline from Chicago O'Hare Intl Airport to Las Vegas) have rated them a 5.8/10. This rating comes from 762 reviews. If you are looking to travel ORD-LAS, search your dates above.