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

Return flights

04 Dec - 13 Dec	Wizz Air Malta
11 Dec - 30 Dec	Wizz Air Malta
08 Dec - 01 Jan	Animawings
01 Dec - 15 Dec	Ryanair
01 Dec - 08 Dec	Ryanair
03 Dec - 10 Dec	Ryanair
04 Dec - 08 Dec	Wizz Air Malta
06 Dec - 13 Dec	Ryanair
11 Dec - 14 Dec	Animawings
07 Dec - 14 Dec	Wizz Air Malta
01 Dec - 12 Dec	Ryanair
09 Dec - 02 Jan	Ryanair
27 Dec - 12 Jan	Wizz Air Malta
27 Dec - 11 Jan	Wizz Air Malta
29 Dec - 13 Jan	KLM
27 Dec - 06 Jan	HiSky Europe
23 Dec - 06 Jan	Wizz Air Malta
23 Dec - 08 Jan	Wizz Air Malta
27 Dec - 10 Jan	HiSky Europe
11 Dec - 04 Jan	Wizz Air Malta

Also check the deals for one-way flights from Bucharest to Seoul 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.

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Cheapest return flights from Bucharest to Seoul in December from 459€

Return flights