Dublin Airport's Terminal 2 is the main base of operations for Aer Lingus Airlines DUB Terminal.The terminal provides a contemporary, roomy setting with efficient security checks, check-in procedures, and convenient access to departure gates. Its amenities, which include shopping, dining options, and lounges, improve travelers' travel experiences. Aer Lingus, the national airline of Ireland, connects Dublin to many locations across the world with both domestic and international flights.