Balkan Holidays have put Summer 2019 onsale. It's 1 weekly on Sundays from 12th May to the 23rd of September and it will go 2 weekly with the addition of a Thursday flight from the 18th July to 12th of September. Flight times for both Thursdays and Sundays are BOJ-CWL 10.10-11.50 CWL-BOJ 12.40-18.10