Crete and Ionian Islands Drive Growth as Greece’s Tourism Revenue Climbs International air arrivals to Greece reached 6.6 million between January and May 2026, an increase of 316,000, or 5.0%, compared with the same period in 2025. In May alone, there were 3.1 million international arrivals, up by 102,000 or 3.4% year-on-year. Athens International Airport recorded 2.9 million international arrivals in the first five months of 2026, an increase of 63,000 or 2.2% over the previous year.