The cancellation policy for train tickets from Houston to San Antonio may vary depending on the specific train service provider. However, most train companies have standard guidelines in place regarding cancellations and refunds. It is essential to familiarize yourself with the terms and conditions of the train company you choose to travel with before booking your tickets. https://reservationsus.com/what-is-the-cancellation-policy-for-the-train-from-houston-to-san-antonio/