AirHint found the following cheapest return flights from Bucharest (OTP) to Seoul (ICN) in October 2025 (see full year).

Return flights

21 Oct - 04 Nov	TAROM
31 Oct - 14 Nov	Qatar Airways
17 Oct - 23 Oct	TAROM
02 Oct - 22 Oct	LOT
02 Oct - 21 Oct	LOT
26 Oct - 08 Nov	LOT
01 Oct - 14 Oct	flydubai
02 Oct - 15 Oct	LOT
22 Oct - 03 Nov	LOT
04 Oct - 18 Oct	flydubai
13 Oct - 23 Oct	LOT
03 Oct - 21 Oct	KLM
22 Oct - 04 Nov	KLM
24 Oct - 31 Oct	LOT
24 Oct - 01 Nov	LOT
22 Oct - 02 Nov	LOT
24 Oct - 02 Nov	SWISS

Also check the deals for one-way flights from Bucharest to Seoul 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 Bucharest to Seoul in October from 615€

Return flights