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

Return flights

10 Aug - 25 Aug	Turkish Airlines
11 Aug - 28 Aug	Turkish Airlines
06 Aug - 18 Aug	Turkish Airlines
07 Aug - 17 Aug	TAROM
10 Aug - 18 Aug	Turkish Airlines
10 Aug - 14 Aug	Turkish Airlines
25 Aug - 09 Sep	Wizz Air Malta
29 Aug - 07 Sep	Wizz Air Malta
07 Aug - 10 Aug	TAROM
19 Aug - 31 Aug	Wizz Air Malta
14 Aug - 31 Aug	Wizz Air Malta
12 Aug - 29 Aug	TAROM
23 Aug - 06 Sep	Ryanair
29 Aug - 13 Sep	SWISS
21 Aug - 05 Sep	Lufthansa

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

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 August from 642€

Return flights