The new route from Sofia to Bristol operated by Wizz Air will be the 50th in a constantly expanding network from the Bulgarian capital. Another four new destinations for Sofia will be added at the end March.” This winter Wizz Air will operate 72 weekly flights from Sofia across 23 destinations. That is an increase of 33% on last winter when the ULCC served just 17 destinations. Since then it has added new routes to Bari, Cologne Bonn, Geneva, Memmingen and Naples, as well as the new Bristol service.