We sell our City Sightseeing Double Decker Tour tickets here on the website and at a number of locations in the Downtown San Antonio area including in the San Antonio Visitor Center across the street from the start of our tour in Alamo Plaza. You can purchase tickets from our Customer Service Representatives on the buses or inside the San Antonio Visitor Center. The Visitor Center is located at 216 East Crockett Street, San Antonio, TX 78205. An interactive Google Map of our location is below. To purchase your tickets online, just click here!