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.

Help4U: New Safety Hub Aims To Protect Teens From Online Threats And Image Misuse
No Formal Arrangement Exists Between Kildare Council And ESB - Resulting In Long Streetlight Repairs
Kildare Teen Ryan Murphy To Claim Self-Defence As He’s Charged With Manslaughter Of Ryan Weir Gibbons
Shoppers Reminded To Have Guard Up As Fake ‘Kildare’ Pages Push Black Friday Scams
"Smiles" On Stage, Anger Off-Camera: Some Kildare Locals Locked Out Of "Affordable" Housing Scheme
Kildare Council Seeks CPO Powers For New Liffey Bridge And Link Road In Celbridge
Teen To Face Naas District Court Over Death Of Ryan Weir Gibbons
McVerry Trust Fallout: Peacock Enclosure, €300k Driveway And Unapproved Lift At Kerdiffstown In Naas