Swiss Airlines Cancellation Policy Do you want to know about Swiss Airlines cancellation policy? Then you are at the right place. Just follow these steps and learn the process of the cancellation policy. If any doubt, feels free to contact on swiss air customer service number, 1800 102 5838, or talk to “our agent” at +1-877-778-2565 and get all the information from there. https://airnsky.com/blog/swiss-airlines-cancellation-policy/