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

Return flights

01 Sep - 10 Sep	Air France
01 Sep - 15 Sep	Finnair
01 Sep - 08 Sep	Finnair
14 Sep - 01 Oct	Qatar Airways
10 Sep - 01 Oct	Qatar Airways
01 Sep - 11 Sep	Finnair
12 Sep - 29 Sep	Qatar Airways
13 Sep - 30 Sep	Qatar Airways
10 Sep - 02 Oct	Qatar Airways
01 Sep - 26 Sep	Air China
22 Sep - 26 Sep	Air China
09 Sep - 28 Sep	Air China
03 Sep - 14 Sep	Air France
15 Sep - 02 Oct	Turkish Airlines
25 Sep - 08 Oct	Scandinavian Airlines
26 Sep - 03 Oct	Qatar Airways
30 Sep - 04 Oct	Air France
28 Sep - 10 Oct	Lufthansa
10 Sep - 02 Oct	Asiana Airlines	direct
15 Sep - 02 Oct	Asiana Airlines	direct

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 613€

Return flights