Aer Lingus is to return to Liverpool John Lennon Airport for the first time since 2016.
The carrier will start flights to Dublin later this month.
A total of 11 departures will take place each week from Thursday, April 27.
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The airport said: "This new route will also help to attract more international visitors to the Liverpool City Region, with the potential to grow the numbers of visitors from the US."
The news comes after the website and mobile app of Irish airline Aer Lingus were restored after going down ahead of one of the busiest travel weekends at Dublin Airport.
Aer Lingus said it expects flights to operate as normal but had previously warned of a risk of delays.
The airline apologised for inconveniencing passengers.
In February, the company's owner IAG returned to profit as the airline industry continues to rebound from Covid-19.
The business, which also owns British Airways, made an operating profit before exceptional items of €1.26bn (£1.1bn) in 2022, a swing from a €2.97bn (£2.62bn) loss the year before. All its airlines were profitable last year.
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