To really get trough swissair actual customer service live person dial 1-8OO-238-9012 (833 SWISS_INTERNATIONAL626-0737), For UK: ????????-????????????-????????????-???????????????? Reaching the customer service desk of Swiss International Air Lines (often referred to by its former name, Swissair, which was the national airline until its bankruptcy in 2002) involves several steps. The best method for contacting Swiss customer service depends on your location and the nature of your inquiry. Here’s a comprehensive guide on how to get through to Swiss International Air Lines' customer service: