Aer Lingus Launches Flights from Dublin to Indianapolis

Aer Lingus launched nonstop flights between Dublin and Indianapolis on 3 May 2025, giving Indiana's capital its only direct air link to Europe. The route operates four times a week with the Airbus A321XLR, a single-aisle aircraft the Irish carrier is using to open North American cities that would not support a widebody.

The inaugural flight arrived at Indianapolis International Airport in the early evening and the return service left for Dublin at about 8pm, after a welcome event at the gate. Flights operate on Mondays, Wednesdays, Fridays and Saturdays, year-round apart from a short break in January and February.

Why Indianapolis

Indianapolis had been without a nonstop European route since March 2020, when Delta suspended its Paris service at the start of the pandemic. The Indianapolis Airport Authority said its air service team had worked for five years to secure a replacement. It estimated that around 545 people a day travel between the Indianapolis area and Europe, and that the Aer Lingus route would be worth about US$50 million a year to the state's economy.

Business links played a part. The airport cited Indianapolis-based drugmaker Eli Lilly's US$1.8 billion investment in Ireland as one source of demand. The city is also a regular host of major sporting events, including the Indianapolis 500.

Preclearance and onward connections

Dublin is one of a small number of airports outside North America with US Customs and Border Protection preclearance. Passengers bound for Indianapolis complete US immigration and customs formalities before departure and arrive as domestic travellers. That is particularly useful at an airport the size of Indianapolis, which does not need to staff a full international arrivals operation for a few flights a week.

Travellers from Britain and continental Europe can connect in Dublin from the wider Aer Lingus and Aer Lingus Regional network, and the airport listed more than 20 European cities reachable with one stop, including London, Paris, Frankfurt, Rome and Amsterdam.

The aircraft

The A321XLR is the extra-long-range version of the A321neo, with an additional fuel tank built into the fuselage. Aer Lingus took delivery of its first example in late 2024, and its first scheduled XLR route, to Nashville, opened in April 2025.

Aer Lingus A321XLR
Seats	184 (16 lie-flat business, 168 economy)
Maximum range	up to 4,700 nautical miles
Dublin-Indianapolis distance	about 3,220 nautical miles (5,970 km) great circle
Frequency at launch	4 weekly

The XLR's economics are the reason the route exists. A widebody such as the A330 would have to fill considerably more seats on each flight. A narrowbody with transatlantic range lets the airline serve mid-sized US cities year-round and feed passengers into its Dublin hub, while the lie-flat business cabin allows it to compete for corporate travel.

Context for Aer Lingus

Aer Lingus, part of International Airlines Group, has built its strategy around Dublin as a transatlantic connecting hub, helped by preclearance and Ireland's position on the western edge of Europe. Its North American network is concentrated on Dublin, with smaller operations from Shannon and Manchester. The single-aisle A321LR and XLR fleet has let it add secondary US cities such as Cleveland, Nashville and Indianapolis alongside the large gateways it serves with A330s.

What has happened since

By late September 2025 the route had carried more than 20,000 passengers. Aer Lingus said demand had exceeded expectations, especially from US customers, and added a fifth weekly flight on Thursdays from 13 April 2026 for the summer season. The airport's air service director said the increase came a year ahead of its own target of summer 2027. Year-round service continues at four flights a week outside the summer peak.

Details of the launch are published by the Indianapolis Airport Authority.