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

Return flights

30 Aug - 06 Sep	Wizz Air Malta
20 Aug - 01 Sep	LOT
25 Aug - 09 Sep	Wizz Air Malta
25 Aug - 10 Sep	Wizz Air Malta
19 Aug - 02 Sep	Wizz Air Malta
27 Aug - 04 Sep	Wizz Air Malta
21 Aug - 04 Sep	Wizz Air Malta
14 Aug - 21 Aug	Wizz Air Malta
29 Aug - 05 Sep	TAROM
25 Aug - 01 Sep	Wizz Air Malta
28 Aug - 04 Sep	Wizz Air Malta
11 Aug - 28 Aug	Wizz Air Malta
13 Aug - 29 Aug	Austrian Airlines
14 Aug - 30 Aug	LOT
19 Aug - 31 Aug	Air France
14 Aug - 29 Aug	LOT
04 Aug - 22 Aug	Turkish Airlines
12 Aug - 29 Aug	Turkish Airlines
14 Aug - 31 Aug	LOT

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 667€

Return flights