More than 1.8 million passengers travelled through Dublin Airport in March, a 19% increase over the same period last year.
Passenger volumes to and from continental Europe grew by 21% with almost 858,000 passengers travelling to European destinations.
UK traffic rose by 17% with just over 760,000 passengers travelling to and from the UK in March.
The number of passengers on domestic routes increased by 52%; more than 6,000 passengers travelled this route sector last month. Passenger volumes to and from North America grew by 8% with almost 131,000 passengers travelling on transatlantic routes in March.
Other international passenger traffic to the Middle East grew by 45% with just over 63,000 passengers travelling last month.
More than 4.7 million passengers have travelled through Dublin Airport in the first three months of the year, representing a 17% increase, or an extra 678,000 passengers, compared to the same period last year.