How big is Terminal 2 Dublin Airport?

Terminal 2 is a 75,000 m2 (810,000 sq ft) terminal and pier (Pier E) which provides aircraft parking for 27 narrow body aircraft through 25 departure gates and 16 immigration desks which can handle up to 15 million passengers annually.



Terminal 2 (T2) at Dublin Airport is a massive, modern facility spanning approximately 75,000 square meters (807,000 square feet). Opened to transform the passenger experience, it was designed specifically to handle long-haul traffic and is the primary hub for Aer Lingus and major US carriers like Delta, United, and American. One of its most significant features is the US Pre-Clearance (USCBP) facility, which occupies a large portion of the lower levels, allowing travelers to clear US customs and immigration before they even leave Ireland. The terminal's design is characterized by a high, curved transparent roof that maximizes natural light, and it includes a 25,000-square-meter boarding pier (Pier E) with 19 aircraft stands capable of handling "super-jumbo" aircraft. In 2026, the terminal manages a significant portion of the airport's 30+ million annual passengers, serving as a critical gateway between Europe and North America.

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The following airlines operate services to and from Terminal 2, Dublin Airport:
  • - Aer Lingus.
  • - American Airlines.
  • - Delta.
  • - Emirates.
  • - Etihad Airlines.
  • - United.
  • - US Airways.


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All Aer Lingus and Aer Lingus Regional flights to the UK, mainland Europe, New York, Boston, Chicago and Orlando depart and arrive Terminal 2 Dublin Airport.

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Do I have to go through US Preclearance for a connecting flight? If you are travelling from Dublin to the US on your connecting flight you can use the US Preclearance facility in Dublin and will not have to go through US customs when you land.

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Dublin Airport is the largest airport in Ireland and it serves as a hub for European destinations as well as long-haul flights to North America, the Middle East, and East Asia.

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In most cases, airlines recommend allowing at least two hours between connecting flights to ensure that you have plenty of time to make your connection.

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For connecting domestic flights, you almost never have to exit and reenter security, though there are some exceptions at airports where the terminals aren't all connected. For domestic-to-international connection, it's still pretty rare that you have to exit and reenter security, even if you're changing terminals.

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You'll need to clear customs and immigration. Next, you'll recheck your luggage for the domestic flight. Finally, you'll need to go through Transportation Security Administration screening. This may include a physical inspection of your luggage and personal items with a metal detector or a full-body scan.

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In November 2010, Dublin Airport's Terminal 2 and its connected boarding gate pier were opened. The award-winning new terminal will allow the airport to handle more than 30 million passengers per year.

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