Yes, the majority of hotel reservations are fully refundable if cancelled prior to the hotel's cancellation deadline, which often is within 24-48 hours of the scheduled arrival. If you booked a non-refundable reservation, you might still have the option to cancel and get a refund within 24 hours of booking. Enter dates in and click on "Search", then you can use the "fully refundable" filter to review the best deals available near San Antonio Seaport.