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

Return flights

25 Aug - 02 Sep	Emirates
11 Aug - 18 Aug	Hainan Airlines
19 Aug - 04 Sep	Lufthansa
04 Aug - 11 Aug	Emirates
30 Aug - 07 Sep	Emirates
18 Aug - 25 Aug	Emirates
30 Aug - 06 Sep	Emirates
31 Aug - 05 Sep	KLM
08 Aug - 16 Aug	Emirates
17 Aug - 24 Aug	Emirates
15 Aug - 21 Aug	Turkish Airlines
29 Aug - 06 Sep	Emirates
09 Aug - 12 Aug	Turkish Airlines
04 Aug - 09 Aug	Turkish Airlines
19 Aug - 23 Aug	Turkish Airlines
06 Aug - 10 Aug	Emirates

Also check the deals for one-way flights from Seoul to Bucharest 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 Seoul to Bucharest in August from 595€

Return flights