Airline confirms it is stopping these routes from Teesside Airport AN airline has confirmed it will no longer operate a number of routes from Teesside Airport as its flights are transferred to other operators. Eastern Airways has announced a number of its routes will not be returning to the airport once travel restrictions are lifted. But the Tees Valley Mayor Ben Houchen has said all destinations, that were previously scheduled, will continue to be served by remaining airlines. In a statement released by the airline, it said its Alicante service would be transferred to Ryanair, and its Heathrow and Belfast service moved to Loganair.