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

Return flights

25 Aug - 31 Aug	Ryanair
22 Aug - 04 Sep	Ryanair
19 Aug - 26 Aug	Ryanair
24 Aug - 14 Sep	Ryanair
28 Aug - 12 Sep	Ryanair
22 Aug - 05 Sep	Ryanair
11 Aug - 28 Aug	Luxair
10 Aug - 17 Aug	Luxair
30 Aug - 27 Sep	Ryanair
24 Aug - 13 Sep	Lufthansa
09 Aug - 30 Sep	Ryanair
16 Aug - 30 Aug	Lufthansa

Also check the deals for one-way flights from Luxemburg 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 Luxemburg to Seoul in August from 702€

Return flights