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

Return flights

09 Oct - 26 Oct	Pegasus Airlines
22 Oct - 26 Oct	Pegasus Airlines
13 Oct - 19 Oct	Pegasus Airlines
15 Oct - 22 Oct	Pegasus Airlines
26 Oct - 09 Nov	Air France
06 Oct - 27 Oct	Pegasus Airlines
08 Oct - 25 Oct	Ryanair
31 Oct - 14 Nov	Pegasus Airlines
04 Oct - 11 Oct	Pegasus Airlines
05 Oct - 12 Oct	Pegasus Airlines
05 Oct - 19 Nov	KLM
01 Oct - 03 Nov	Air France
01 Oct - 31 Oct	Pegasus Airlines
13 Oct - 25 Oct	Turkish Airlines

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

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 October from $596

Return flights