Ryanair has a 24-hour cancellation policy. Once a booking is made, it is generally non-refundable. For specific assistance, you can contact Ryanair’s customer service at +1-808-(751)-(2262) or +44-203-(900)-(3009). https://community.ring.com/conversations/ring-device-tips/does-ryanair-have-a-24hour-cancellation-policy-offers-a-24hour-grace-period/67dd82b1b7ace50024f02989