There are several options for cancelling one person on a Southwest flight. The simplest method is to contact the airline's customer care. if you are searching about How to cancel one person on Southwest flight? then you are at right place. visit our site flyavionic just go through the blog and follow the introduction. for more info you can also call Southwest customer service at +1-800-435-9792 or OTA: +1-866-901-7017.