- Brussels Airlines Barcelona Office: Serving both business and leisure passengers, this office is situated in the center of Barcelona. The Barcelona location of Brussels Airlines helps clients with airline reservations, check-in, and special travel needs. The Brussels Airlines Barcelona Office, which is well-known for its kind and informed employees, strives to offer a smooth travel experience by making sure travelers have all the assistance they require before departure. This office is a reliable source for clients wishing to travel conveniently and easily, providing access to Brussels Airlines' vast network throughout Europe and beyond.