Yes, you'll find most room reservations are fully refundable provided that you cancel before the hotel's cancellation deadline, which is usually within 24-48 hours of check in. If you have a non-refundable reservation, it might still be possible to cancel it and be given a refund within 24 hours of booking. Add your dates and click on "Search", then filter by "fully refundable" to get the top deals on offer in Coréia.