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

Return flights

08 May - 17 May	China Southern
01 May - 13 May	Ryanair
08 May - 22 May	China Southern
30 May - 15 Jun	Luxair
28 May - 11 Jun	Luxair
28 May - 10 Jun	Luxair
01 May - 17 May	Ryanair
27 May - 10 Jun	Scandinavian Airlines
09 May - 24 May	Ryanair
22 May - 25 May	China Southern
08 May - 16 May	China Southern
21 May - 24 May	Luxair
23 May - 31 May	Luxair
14 May - 17 May	LOT
08 May - 06 Jun	Turkish Airlines

Also check the deals for one-way flights from Luxemburg to Seoul in May.

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 May from 580€

Return flights