Over 2.7 million passengers used Dublin Airport in June, a 9% increase on the same month last year.
The number of passengers travelling to and from continental Europe grew by 8% with over 1.4 million passengers flying to and from European destinations.
More than 848,000 passengers took flights to and from the UK, up 13% on the same month last year.
Transatlantic traffic increased by 11% in June, with almost 328,000 people travelling between Dublin and North America during the month.
Other international traffic, which includes flights to the Middle East and North Africa, fell by3% with just over 67,000 passengers flying to and from these destinations.
The number of passengers on domestic flights increased by 26% in June, with over 8,800 people taking flights within the Republic of Ireland last month.
Dublin Airport had its busiest day ever in its 76 year history when over 100,000 passengers travelled through the airport on Friday, June 24.
In the first six months of this year,13 million passengers have used Dublin Airport, which is a 13% increase on the same period last year.
Dublin Airport has welcomed an extra 1.5 million passengers in the first six months of the year