Cheapest return flights from Madrid to Seoul in September from $637

Best time to book flights for Madrid (MAD) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Madrid (MAD) to Seoul (ICN) in September 2025 (see full year).

Return flights

28 Sep - 12 Oct Air China
28 Sep - 11 Oct Air China
28 Sep - 04 Oct Air China
08 Sep - 11 Oct Air China
19 Sep - 04 Oct Air China
22 Sep - 12 Oct Air China
01 Sep - 12 Oct Air China
24 Sep - 14 Oct Air China
03 Sep - 16 Sep Cathay Pacific
10 Sep - 22 Sep Cathay Pacific
09 Sep - 22 Sep Cathay Pacific
29 Sep - 10 Oct Iberia Express
09 Sep - 23 Sep Cathay Pacific
02 Sep - 08 Sep Cathay Pacific
16 Sep - 29 Sep Cathay Pacific
07 Sep - 23 Sep Finnair
06 Sep - 22 Sep Etihad Airways
14 Sep - 29 Sep Iberia Express
02 Sep - 09 Sep Finnair
27 Sep - 10 Oct Air France

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

Skyscanner

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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