Cheapest return flights from Madrid to Seoul in September from $666

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

Return flights

28 Sep - 13 Oct Sichuan Airlines
30 Sep - 10 Oct Sichuan Airlines
28 Sep - 10 Oct Sichuan Airlines
07 Sep - 06 Oct Lufthansa
04 Sep - 15 Sep Sichuan Airlines
04 Sep - 10 Sep Sichuan Airlines
23 Sep - 06 Oct Sichuan Airlines
25 Sep - 08 Oct Sichuan Airlines
21 Sep - 03 Oct Sichuan Airlines
04 Sep - 06 Oct Sichuan Airlines
21 Sep - 06 Oct Sichuan Airlines
01 Sep - 16 Sep Etihad Airways
07 Sep - 05 Oct Lufthansa
01 Sep - 15 Sep Finnair
04 Sep - 28 Sep Sichuan Airlines
08 Sep - 15 Sep Finnair
01 Sep - 08 Sep Finnair
14 Sep - 28 Sep Sichuan Airlines
05 Sep - 12 Sep Wizz Air Malta
15 Sep - 29 Sep Etihad Airways

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

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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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