AirHint found the following cheapest return flights from Barcelona (BCN) to Seoul (ICN) in September 2026 (see full year).

Return flights

30 Sep - 07 Oct	Wizz Air
29 Sep - 20 Oct	Wizz Air
29 Sep - 13 Oct	Wizz Air
30 Sep - 17 Oct	Wizz Air
13 Sep - 05 Oct	Vueling Airlines
03 Sep - 13 Sep	Vueling Airlines
15 Sep - 29 Sep	Etihad Airways
13 Sep - 28 Sep	Etihad Airways
19 Sep - 05 Oct	Wizz Air UK
01 Sep - 14 Sep	Scandinavian Airlines
04 Sep - 14 Oct	Scandinavian Airlines
05 Sep - 19 Sep	Vueling Airlines
02 Sep - 09 Sep	Finnair
21 Sep - 30 Sep	Qatar Airways
13 Sep - 02 Oct	Vueling Airlines
26 Sep - 07 Oct	Ryanair
17 Sep - 29 Sep	Etihad Airways
06 Sep - 28 Sep	Etihad Airways
03 Sep - 16 Sep	Etihad Airways
12 Sep - 02 Oct	Ryanair

Also check the deals for one-way flights from Barcelona to Seoul in September.

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 September from $691

Return flights