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

Return flights

23 Oct - 02 Nov	Wizz Air Malta
23 Oct - 31 Oct	Wizz Air Malta
20 Oct - 26 Oct	Ryanair
19 Oct - 25 Oct	Wizz Air Malta
05 Oct - 19 Nov	Wizz Air Malta
01 Oct - 20 Oct	Air France
02 Oct - 22 Oct	KLM
02 Oct - 16 Oct	KLM
05 Oct - 12 Oct	Wizz Air Malta
02 Oct - 13 Oct	KLM
03 Oct - 13 Oct	KLM
25 Oct - 30 Oct	Ryanair
21 Oct - 12 Nov	Turkish Airlines
21 Oct - 11 Nov	Turkish Airlines
22 Oct - 04 Nov	KLM
22 Oct - 12 Nov	KLM

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 482€

Return flights