Terminal 2
The first scheduled services from the new Terminal 2 (T2) at Dublin Airport began on November 23, 2010.
All Aer Lingus services, with the exception of some Aer Lingus Regional flights, now operate from T2.
Other airlines operating from the terminal include Emirates, Etihad Airways, Delta, United, US Airways and American Airlines.
The US Customs & Border Protection (CBP) facility is also fully operational in T2. You will find more information on US Preclearance here