AirHint found the following cheapest return flights from Sofia (SOF) to Bangkok (BKK) in December 2025 (see full year).

Return flights

01 Dec - 12 Dec	Air France
01 Dec - 09 Dec	Air France
01 Dec - 11 Dec	Air France
03 Dec - 18 Dec	Air France
05 Dec - 21 Dec	Air France
10 Dec - 19 Dec	Air France
01 Dec - 10 Dec	Air France
12 Dec - 19 Dec	Pegasus Airlines
30 Dec - 12 Jan	Lufthansa
04 Dec - 21 Dec	KLM
15 Dec - 27 Dec	Turkish Airlines
30 Dec - 27 Jan	Turkish Airlines
31 Dec - 03 Jan	Wizz Air Abu Dhabi
28 Dec - 13 Jan	Air France
24 Dec - 06 Jan	IndiGo
22 Dec - 05 Jan	IndiGo
27 Dec - 01 Jan	IndiGo
31 Dec - 04 Jan	IndiGo
18 Dec - 01 Jan	IndiGo
19 Dec - 01 Jan	IndiGo

Also check the deals for one-way flights from Sofia to Bangkok in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from Sofia to Bangkok in December from $606

Return flights