Aer Lingus on May 25, 2026, will introduce nonstop service between Dublin and Pittsburgh, the carrier announced Thursday. Flights will operate four times weekly with Airbus A321neo LR aircraft configured with 16 business-class lie-flat seats and 168 economy-class seats. Customers flying from Dublin to Pittsburgh can use the airport's U.S. pre-clearance facility, clearing U.S. customs before departure.