Average price (all airlines)
Chicago O'Hare Intl Airport to Cancún flights on United Airlines are currently available under $500. 11 flights have been found by Cheapflights users under that amount. To find flights for your dates, click here.
762 Cheapflights users have left reviews for United Airlines and have rated the airline 5.8/10. If you are looking to travel from Chicago O'Hare Intl Airport to Cancún on United Airlines, input your dates in the form above for our best prices!