Ryanair have 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 (20) 39003009. They can provide more details and help with any queries you might have.
https://www.eventzilla.net/e/does-ryanair-have-a-24hour-cancellation-policy-2138637835
