A Swedish family travelling with Wizz Air experienced a significant increase in their holiday costs when the airline’s app malfunctioned, resulting in a 2,300 SEK penalty fee for their return flight. Initially paying 2,500 SEK for their flights to Poland, the family was unexpectedly charged extra due to app issues preventing standard check-in procedures. This incident occurs as the European Union actively works to eliminate deceptive and hidden extra charges imposed by airlines. The case highlights ongoing concerns regarding transparency in budget airline pricing. This fee was levied as a penalty, effectively doubling the family’s anticipated travel expenses. This situation underscores the need for clearer airline policies and functional technology for passengers. Authorities are now focusing on preventing such undisclosed costs from impacting travellers.