AirHint found the following cheapest return flights from Sofia (SOF) to Bangkok (BKK) in April 2026 (see full year).
Return flights
| 03 Apr - 19 Apr | Air Serbia | ||
| 30 Apr - 21 May | KLM | ||
| 05 Apr - 16 Apr | IndiGo | ||
| 13 Apr - 03 May | Pegasus Airlines | ||
| 21 Apr - 29 Apr | IndiGo | ||
| 30 Apr - 06 May | Qatar Airways | ||
| 29 Apr - 06 May | Turkish Airlines |
Also check the deals for one-way flights from Sofia to Bangkok in April.
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