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

Return flights

30 Aug - 14 Sep	Ryanair
31 Aug - 15 Sep	Vueling Airlines
26 Aug - 09 Sep	Air France
26 Aug - 03 Sep	Vueling Airlines
30 Aug - 21 Sep	Finnair
25 Aug - 08 Sep	Finnair
25 Aug - 10 Sep	Iberia
27 Aug - 11 Sep	Air France
18 Aug - 10 Sep	Air France
29 Aug - 11 Sep	Air France
21 Aug - 31 Aug	Wizz Air Malta
23 Aug - 31 Aug	Etihad Airways
19 Aug - 26 Aug	LOT
26 Aug - 31 Aug	Iberia
04 Aug - 12 Aug	Shenzhen Airlines
25 Aug - 28 Aug	Iberia
21 Aug - 30 Aug	Vueling Airlines
11 Aug - 25 Aug	Norwegian Air Sweden AOC
12 Aug - 26 Aug	Vueling Airlines
12 Aug - 19 Aug	Vueling Airlines

Also check the deals for one-way flights from Barcelona 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 Barcelona to Seoul in August from 607€

Return flights