Passenger numbers at Dublin Airport increased by 14% to 8.46 million last year, when compared with 2020.
Traffic figures released by the airport reveal that passenger numbers for 2021 were down 74% when compared to numbers in 2019, as Covid-19 continued to impact the aviation sector across the world.
Two thirds of all passengers who travelled through Dublin Airport last year did so in the months of August, September, October and November - which equates to 5.6 million passengers.
In total, 8.3 million passengers either started or ended their journey through Dublin Airport, while 155,000 of the overall number used the airport as a transfer hub last year.
When compared to 2020 figures, short-haul traffic increased by 17% to 7.5 million, while long-haul passenger numbers decreased by 1% to almost one million.
However, the figures show this is a drop of 83% when compared with 2019 passenger numbers for long haul pre-Covid-19 and 73% for short haul.
Throughout 2021, passenger numbers to and from Continental Europe increased by 33% on 2020 levels to 5.3 million.
Meanwhile, the number of passengers travelling to and from Dublin Airport and Britain decreased by 10%, while transatlantic traffic increased by 5% compared to 2020.
When compared to pre-Covid-19 figures in 2019, traffic to and from Continental Europe was down by 69%, while passengers travelling from Dublin Airport to and from Britain was down by 79%.
The data shows that passenger numbers on flights to and from other international destinations, which includes flights to the Middle East, declined by 21% compared with 2020.
The number of people taking domestic flights increased 13%.
When comparing to pre-Covid-19 passenger numbers, other international destinations were down 81%, with domestic travel down by 63% when compared with 2019.