AirHint found the following cheapest return flights from Stuttgart (STR) to Seoul (ICN) in August 2025 (see full year).

Return flights

25 Aug - 10 Sep	LOT
24 Aug - 07 Sep	LOT
26 Aug - 07 Sep	LOT
18 Aug - 31 Aug	Scandinavian Airlines
18 Aug - 25 Aug	Scandinavian Airlines
16 Aug - 01 Sep	Scandinavian Airlines
17 Aug - 23 Aug	LOT
24 Aug - 28 Aug	Wizz Air
05 Aug - 21 Aug	Eurowings
10 Aug - 17 Aug	Scandinavian Airlines
04 Aug - 17 Aug	Eurowings
15 Aug - 22 Aug	Lufthansa
02 Aug - 17 Aug	KLM

Also check the deals for one-way flights from Stuttgart 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Stuttgart to Seoul in August from 652€

Return flights