New entrant will face competition from UK’s biggest budget airline as well as British Airways, Tui and Wizz Air Sign up to Simon Calder’s free travel email for expert advice and money-saving discounts Get Simon Calder’s Travel email Get Simon Calder’s Travel email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice The latest round in the intensifying battle between UK airline and holiday companies is underway. Jet2 will