Cheapest return flights from Madrid to Seoul in May from 688€

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

Return flights

15 May - 28 May Air China
17 May - 30 May Air China
17 May - 24 May Air China
07 May - 15 May Air China
10 May - 18 May Air China
07 May - 16 May Air China
16 May - 29 May Air China
14 May - 28 May Air China
03 May - 18 May Air China
18 May - 28 May Air China
05 May - 18 Jun Air China
31 May - 11 Jun Iberia
31 May - 18 Jun Air China
20 May - 02 Jun Cathay Pacific
15 May - 05 Jun Qatar Airways
15 May - 03 Jun Turkish Airlines

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

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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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