Cheapest return flights from Seoul to Madrid in September from $608

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

Return flights

12 Sep - 22 Sep Air China
14 Sep - 30 Oct Air China
07 Sep - 18 Sep Air China
02 Sep - 04 Oct Air China
01 Sep - 11 Sep Air China
10 Sep - 20 Sep Air China
06 Sep - 18 Sep Air China
03 Sep - 13 Sep Air China
13 Sep - 29 Oct Air China
16 Sep - 02 Oct Air China
04 Sep - 18 Sep Air China
03 Sep - 11 Sep Air China
15 Sep - 29 Sep Air China
04 Sep - 29 Sep Air China
17 Sep - 02 Oct Air China
16 Sep - 08 Oct Finnair
18 Sep - 13 Oct Etihad Airways
20 Sep - 05 Oct Etihad Airways
28 Sep - 06 Oct Emirates
23 Sep - 03 Oct Air China

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

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