The Singapore Airlines Houston office is located at 2800 N Terminal Road, Houston, Texas, within George Bush Intercontinental Airport (IAH). For reservations or general enquiries, you can contact them via phone at +1 800‑742‑3333 or +1 833‑678‑2125. The office also has an email address for public affairs: [email protected]. The Houston office provides assistance with ticketing, reservations, and customer service, and operates 24 hours for reservations and enquiries.