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

Return flights

30 Aug - 06 Sep	T'way Air
30 Aug - 08 Sep	T'way Air
30 Aug - 20 Sep	T'way Air
30 Aug - 18 Sep	T'way Air
29 Aug - 11 Sep	Ryanair
29 Aug - 05 Sep	Wizz Air
30 Aug - 10 Sep	T'way Air
29 Aug - 09 Sep	Air France
26 Aug - 09 Sep	Air China
27 Aug - 03 Sep	Vueling Airlines
25 Aug - 28 Aug	Turkish Airlines
25 Aug - 31 Aug	Iberia
25 Aug - 29 Aug	Air Europa
24 Aug - 27 Aug	Air China
24 Aug - 31 Aug	Ryanair
26 Aug - 28 Aug	Vueling Airlines
24 Aug - 28 Aug	Vueling Airlines
24 Aug - 28 Aug	Asiana Airlines	direct
26 Aug - 28 Aug	Asiana Airlines	direct
25 Aug - 29 Aug	T'way Air	direct

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 $740

Return flights