https://www.devex.com/people/flexible-fee-how-much-is-the-change-fee-for-united-airlines-2200467 ((Flexible Fee)) How much is the change fee for United Airlines Does United still have free cancellation? Absolutely, United Airlines offers a 24-hour refund policy. If you need to cancel your flight, you can do so without any fee within 24 hours of booking. For your convenience, cancellations can...