Not sure where the others are flying into Leigh but the following are closed:
Airports which fall within the no-fly zone now include all those in Northern Ireland Ronaldsway, Prestwick, Teeside, Carlisle, Manchester, Leeds-Bradford, Liverpool, Doncaster, Humberside, East Midlands, Birmingham and Norwich as well as some Scottish island airports including Campbeltown, Islay and Barra, Heathrow and Gatwick.