Before we talk about the United Airlines ticket cancellation policy, you should understand this aspect if you want to save while canceling your tickets. If you want to get a full refund or want to cancel your tickets without any additional fee, then you should cancel or Change Flight Tickets within 24 hours of the purchase. If you want to know United Airlines Cancellation Fee then Contact us at +1-833-908-0085 or visit https://www.bookunitedairlines.com/united-airlines-cancellation-policy/