Their response to Ryanair was: “Faced with Ryanair’s disdainful behavior, the strike becomes our only option.”
Didier Lebbe, secretary at the Belgian’s Union CNE said: “Sporadic or coordinated actions could take place just about anywhere in Europe from June.”
Express.co.uk has contacted Ryanair on social media and via its digital press office form for a comment.
In 2018, trade unions from several European countries had already united for a European strike at Ryanair, which took place during the summer.
They then demanded that the company apply national labour laws in all countries where it operates.