Its an increase of 87% on May's figures.
160,000 passengers arrived in Ireland from overseas in June, an increase of 87 per cent on May.
CSO figures show just under 200,000 passengers left the country on overseas trips, last month , that's up 105 per cent on the previous month.
Continental routes contributed most to passenger traffic in June, while just 11,000 passengers arrived on transatlantic routes and 7,700 departed.
Apart from Britain, the most important routing countries for overseas travel were Spain, Poland and the Netherlands.

Analysis: Damning Reports Detail Rot, Fire Risks And Rodents At "Temporary" Celbridge Primary School
Major Curragh Community College Project Moves Ahead After Years Of False Starts
US Supreme Court Rules Against President Trump's Global Tariffs
Plans For Walking Trail Within Castletown House Lands Under Consideration Subject To Removal Of Laurel
Council Blames Stolen Cars As It Refuses Warning Signs At Crash-Prone Bridge In Celbridge
Naas No-Shows Add To Driving Test Pressure As Kildare Test Queue Hits 1,975
Naas Hospital Promised Just 21 Extra Mental Health Beds At Lakeview Ward - With No Timeline In Sight
R405 Hazelhatch Road To Close Between Loughtown Road And Athgoe Road For Major Pipeline Works