Yes, you will find that most hotel reservations are fully refundable if you cancel before the accommodation cancellation deadline, which is usually 24 to 48 hours before your arrival date. If your reservation is non-refundable, it is still possible to cancel it and receive a refund within a period of 24 hours after the reservation. Add dates, click "Search," then filter for "free cancellation" to review the best options available in Oklahoma City.