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

Return flights

01 Sep - 13 Oct	LOT
01 Sep - 10 Sep	Air France
30 Sep - 13 Oct	Air France
30 Sep - 12 Oct	Air France
16 Sep - 26 Sep	Turkish Airlines
01 Sep - 08 Sep	Air France
01 Sep - 16 Oct	LOT
02 Sep - 16 Oct	LOT
12 Sep - 01 Oct	Etihad Airways
06 Sep - 13 Sep	Turkish Airlines
10 Sep - 17 Sep	Ryanair
01 Sep - 16 Sep	Air France
29 Sep - 12 Oct	KLM
10 Sep - 16 Sep	Ryanair
13 Sep - 30 Sep	Turkish Airlines
07 Sep - 24 Sep	Turkish Airlines
21 Sep - 25 Sep	Turkish Airlines
25 Sep - 10 Oct	Emirates
01 Sep - 13 Oct	Asiana Airlines	direct
01 Sep - 16 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 $693

Return flights