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

Return flights

29 Aug - 04 Sep	Air China
21 Aug - 10 Sep	Air China
28 Aug - 03 Sep	Air China
14 Aug - 21 Aug	Scandinavian Airlines
13 Aug - 18 Aug	Scandinavian Airlines
10 Aug - 17 Aug	Finnair
21 Aug - 29 Aug	Finnair
16 Aug - 27 Aug	KLM
09 Aug - 20 Aug	KLM
06 Aug - 14 Aug	Qatar Airways
09 Aug - 16 Aug	Finnair
05 Aug - 08 Aug	Qatar Airways
06 Aug - 09 Aug	Qatar Airways
28 Aug - 03 Sep	Korean Air	direct
21 Aug - 10 Sep	Korean Air	direct

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

Book a cheap hotel in Madrid

Cheap car rent in Madrid

Cheapest return flights from Seoul to Madrid in August from $629

Return flights