“All that is going to do is send more visitors away from the UK to other European countries who are abolishing taxes and lowering airport fees.”The so-called tourist tax was described as a “mad proposal to allow local mayors to double-tax visitors”.He previously warned that air fares could be hiked by as much as 20 per cent, but this is unlikely to offset the increased fuel bill, Mr O’Leary said.Workers across the UK, Spain, Portugal, and Ireland will be forced to bear some of the fuel bill, the Ryanair boss said.