Want to know about Ryanair cancel flight 24 hours? Ryanair's cancellation policy varies depending on the fare type you have booked, and generally, Ryanair flights are non-refundable. However, if you have booked a Flexi Plus fare, you may be entitled to a free flight change or cancellation up to 2 hours before the scheduled departure time. Here's how you can cancel a Ryanair flight within 24 hours.