New figures from the Central Statistics Office show an increase in international travel during April, May, and June of this year.
But passenger numbers travelling to and from Ireland are still down by 13% compared with the second quarter of 2019 - pre-Covid.
The CSO figures show that a total of 9.1 million passengers passed through the five main Irish airports - Dublin, Cork, Shannon, Knock, and Kerry - in the second quarter of 2022.
This was more than 15 times higher than the same period in 2021, but still 13% lower when compared with the same time in 2019.
Today's figures show that over 4.2 million more passengers travelled to Ireland in the second quarter of the year compared to the same time last year - 0.6 million fewer passengers when compared with the same time in 2019.
Meanwhile, 4.6 million passengers departed from Ireland, which was 4.3 million more than the same time in 2021, but still fewer by 0.7 million people when compared with the second quarter of 2019.
The CSO said that in the first half of 2022, more than 13.8 million passengers passed through Irish airports.
This was 12.8 million more passengers when compared with the same time in 2021, but 4.1 million fewer than the same time in 2019.
The number of flights to and from Irish airports increased by more than 54,500 compared with the same time in 2021 but are still 11% lower than 2019.
Slightly more than 66,000 flights were handled by Ireland's five main airports in the three month period, with Dublin handling 84% of all flights, while Cork handled 7% of all flights.
London-Heathrow, London-Gatwick, and Amsterdam-Schiphol were the most popular routes for passengers travelling through Dublin airport. The top route for Cork and Shannon was London-Heathrow, while the biggest route for Knock and Kerry was London-Luton.
Meanwhile, air freight handled by Irish airports in the second quarter of 2022 was down by 4% compared with the same time in 2021.
