Singapore Airlines Brussels office, located at Avenue Louise 480, provides essential services including flight bookings, ticket changes, and customer support. Open Monday to Friday from 9:00 AM to 5:00 PM, the office assists with the KrisFlyer frequent flyer program and offers special assistance services. For inquiries or support, contact the office at +32 2 639 1000 or email bru@singaporeair.com.sg, ensuring a smooth travel experience for all passengers.