AirHint found the following cheapest one-way flights from Bangkok (BKK) to Sofia (SOF) in December 2025 (see full year).
One-Way flights
| 08 Dec | Norse Atlantic Airways | ||
| 09 Dec | Nok Air | ||
| 16 Dec | Norse Atlantic Airways | ||
| 28 Dec | Etihad Airways |
Also check the deals for return flights from Bangkok to Sofia in December.
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