Almost 1.9 million passengers used Dublin Airport in May, a 9% increase when compared to last year according to the Dublin Airport Authority.
Passenger volumes to and from continental Europe rose by 10% with more than 1 million passengers travelling to European destinations last month.
UK traffic was up by 4%, with over 608,000 passengers travelling in May. Passenger volumes to and from North America grew by 18%, as almost 176,000 passengers travelled on this sector in May.
Other international traffic, which includes routes to the Middle East increased by 7% with almost 39,000 passengers using these routes in May.
Almost 5,700 passengers travelled on domestic routes last month, a 5% increase on May 2012.
More than 7.3 million passengers have used Dublin Airport in the first five months of this year, a 4% increase on the same period in 2012.