The cancellation policy for the train from Houston to San Antonio, operated by Amtrak, depends on the type of fare purchased. Saver fares, the least expensive, are refundable within 24 hours of booking, but non-refundable afterward. Value fares offer a full refund or voucher if canceled more than 15 days before departure; cancellations within 14 days incur a fee. Flexible fares provid... https://reservationsus.com/what-is-the-cancellation-policy-for-the-train-from-houston-to-san-antonio/