Based on 5-star carriers Qatar Airways or Etihad Airways we have some good solution for travelers in the Balkans to visit Thailand also next high season during European winter 2018/2019. (Seems tha this works only with QR to Bangkok thought). Return flights from Sofia or Belgrade to Thailand are available from €383. The cheapest solution is from Belgrade to Chiang Mai. (But you would have to accept long layover in Doha on your inbound flight). You can also fly to Bangkok from €416. From Sofia you can book return flights to Bangkok in main tourist season from €398.
If interested in this solution with Qatar Airways or Etihad Airways look for flights departing to Thailand from September to beginning of December 2018. Flights to Bangkok with Qatar Airways are available also in first half of 2019. No availability around Christmas Holidays. Max stay 3 months. Both promotions are running till 20th of June or until sold out. Book cheap accommodation in Chiang Mai or Bangkok via Hotels.com or Booking.com. You can easily compare all the cheapest flights directly at website of Qatar Airways or Etihad Airways.
Belgrade – Bangkok from €441 (Qatar Airways)
Belgrade – Bangkok from €416 (Etihad Airways)
Booking sample of cheap return flights from Sofia or Belgrade to Thailand from €383! As per our booking you would depart from Serbia to Chiang Mai on 1st of December. Inbound flight from this city in South East Asia back to Europe on 15th of December 2018. Experience top ranked service of one of few 5* airlines in the World and book discounted flights based on this latest Qatar Airways promotion!