Perfect solution for travelers in Bulgaria to explore Southern Thailand also next main tourist season 2018/2019 Based on Qatar Airways promotion you can book very cheap return flights from Sofia to Krabi already for €383! This is including all taxes and fees as well as max. 30kg checked-in luggage. Experience service of top ranked airlines (and one of few companies Skytrax ranks by 5-stars). and fly with low budget to beautiful Krabi next high season..