Cheapest return flights from Madrid to Seoul in May from $443

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

Return flights

21 May - 25 May China Southern
21 May - 27 May China Southern
12 May - 25 May China Southern
12 May - 27 May China Southern
21 May - 01 Jun China Southern
19 May - 27 May China Southern
16 May - 25 May China Southern
19 May - 25 May China Southern
12 May - 10 Jun China Southern
02 May - 08 May Hainan Airlines
02 May - 12 May Hainan Airlines
02 May - 17 May Hainan Airlines
12 May - 15 Jun China Southern
14 May - 01 Jun China Southern
12 May - 03 Jun China Southern
21 May - 05 Jun China Southern
12 May - 01 Jun China Southern
19 May - 24 Jun China Southern
19 May - 02 Jun Scandinavian Airlines
27 May - 08 Jun Scandinavian Airlines

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

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