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

Return flights

03 Apr - 12 Apr	Air China
14 Apr - 21 Apr	Air China
02 Apr - 07 Apr	Air China
23 Apr - 25 Apr	Air China
03 Apr - 11 Apr	Air China
14 Apr - 05 May	Air China
08 Apr - 14 May	Air China
30 Apr - 10 May	Air China
30 Apr - 03 May	Air China
15 Apr - 18 Apr	Air China
26 Apr - 07 May	Air China
02 Apr - 10 Apr	Air China
29 Apr - 05 May	Air China
13 Apr - 20 Apr	Air China
24 Apr - 05 May	Air China
30 Apr - 11 May	Air China
23 Apr - 21 May	Japan Airlines
16 Apr - 30 Apr	Japan Airlines
17 Apr - 05 May	Air China
16 Apr - 19 Apr	Korean Air

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

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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Cheapest return flights from Seoul to Madrid in April from 535€

Return flights