AirHint found the following cheapest return flights from Luxemburg (LUX) to Seoul (ICN) in April 2026 (see full year).

Return flights

07 Apr - 14 Apr	Turkish Airlines
16 Apr - 25 Apr	Turkish Airlines
12 Apr - 24 Apr	Turkish Airlines
20 Apr - 10 May	Turkish Airlines
23 Apr - 09 May	Turkish Airlines
27 Apr - 10 May	Turkish Airlines
29 Apr - 17 May	Turkish Airlines
30 Apr - 17 May	Turkish Airlines
29 Apr - 16 May	Turkish Airlines
03 Apr - 11 Apr	LOT
09 Apr - 19 Apr	Turkish Airlines
01 Apr - 10 Apr	Air France

Also check the deals for one-way flights from Luxemburg to Seoul 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 Luxemburg to Seoul in April from 644€

Return flights