Does Aer Lingus have an office in Tokyo? Aer Lingus is a national airlines of Ireland. To manage its operations from around 93 locations, Aer Lingus has several offices. Aer Lingus Office in Tokyo is one of its offices that provides various services to their passengers including visa and immigration assistance, seat selections, reservations, choice of meal service, etc. Any kind of customer issue can be solved by visiting the office.