Based out of Seattle-Tacoma International Airport (SEA), Aer Lingus Airlines SEA Terminal provides convenient connections throughout Europe in addition to direct flights to Dublin. Aer Lingus, which is housed in the main terminal, guarantees a flawless travel experience with simple check-in, cozy seating, and first-rate in-flight facilities including free meals and entertainment. Whether traveling for business or pleasure, passengers may experience a seamless journey .