WITH already existing services to Zagreb, Turkish Airlines now adds Dubrovnik, one of the largest cities in Croatia to its expanding network.Beginning from May 10, Dubrovnik flights will be operated 3 times weekly. Introductory trip fares are available from Istanbul to Dubrovnik starting from $99 and from Dubrovnik to Istanbul €99 (including taxes, fees).Additionally, for the first 6 months of operation to the new destinations, there is a special offer for Miles&Smiles members, with a 25% reduction in the miles needed to redeem either award tickets or upgrades.