AirHint found the following cheapest return flights from Sofia (SOF) to Bangkok (BKK) in January 2026 (see full year).

Return flights

08 Jan - 19 Jan	Pegasus Airlines
10 Jan - 20 Jan	Pegasus Airlines
16 Jan - 22 Jan	Pegasus Airlines
24 Jan - 16 Feb	Lufthansa
24 Jan - 01 Feb	Pegasus Airlines
11 Jan - 01 Feb	SKY express
11 Jan - 24 Jan	Lufthansa
16 Jan - 27 Jan	Pegasus Airlines
20 Jan - 03 Feb	Air France
11 Jan - 25 Jan	Air France
24 Jan - 14 Feb	Lufthansa
15 Jan - 22 Jan	KLM
23 Jan - 14 Feb	Lufthansa
10 Jan - 25 Jan	KLM
07 Jan - 17 Jan	Austrian Airlines
05 Jan - 16 Jan	Austrian Airlines

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

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.

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Cheapest return flights from Sofia to Bangkok in January from $617

Return flights