Cheapest return flights from Seoul to Copenhagen in September from $634

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

Return flights

08 Sep - 12 Sep Air China
09 Sep - 13 Sep Air China
05 Sep - 14 Sep Air China
02 Sep - 08 Sep Air China
05 Sep - 10 Sep Air China
15 Sep - 22 Sep Air China
04 Sep - 12 Sep Air China
06 Sep - 11 Sep Air China
21 Sep - 04 Oct Air China
23 Sep - 28 Sep Air China
19 Sep - 27 Sep Etihad Airways
22 Sep - 04 Oct KLM
24 Sep - 04 Oct Air India
26 Sep - 02 Oct Singapore Airlines
26 Sep - 11 Oct Finnair
25 Sep - 10 Oct Thai Airways

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

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