Cheapest return ICN–BCN flights, September

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

Return flights

09 Sep - 17 Sep Air China
08 Sep - 16 Sep Air China
09 Sep - 19 Sep Air China
08 Sep - 19 Sep Air China
08 Sep - 18 Sep Air China
09 Sep - 16 Sep Air China
08 Sep - 13 Sep Air China
15 Sep - 21 Sep Air China
15 Sep - 19 Sep Air China
09 Sep - 23 Sep Air China
16 Sep - 20 Oct Air China
17 Sep - 13 Oct Air China
13 Sep - 02 Oct Air China
15 Sep - 21 Oct Air China
16 Sep - 21 Oct Air China
15 Sep - 28 Oct Air China
16 Sep - 22 Oct Air China
06 Sep - 02 Oct Air China
30 Sep - 27 Oct Etihad Airways
14 Sep - 25 Oct Air China

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

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