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

Return flights

25 Aug - 11 Sep	Air China
25 Aug - 01 Sep	Air China
25 Aug - 03 Sep	Air China
14 Aug - 31 Aug	Air China
30 Aug - 10 Sep	Air China
24 Aug - 02 Sep	Air China
01 Aug - 31 Aug	Air China
18 Aug - 31 Aug	Air China
18 Aug - 01 Sep	Air China
11 Aug - 01 Sep	Air China
21 Aug - 01 Sep	Air China
18 Aug - 04 Sep	Air China
24 Aug - 10 Sep	Japan Airlines
24 Aug - 31 Aug	Japan Airlines
03 Aug - 19 Aug	Air China
19 Aug - 31 Aug	Air China
17 Aug - 31 Aug	Air China
08 Aug - 22 Aug	Air China
19 Aug - 29 Aug	Air China
20 Aug - 29 Aug	Air China

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

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 Madrid to Seoul in August from $1019

Return flights