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

Return flights

18 May - 25 May	Etihad Airways
18 May - 27 May	Etihad Airways
20 May - 10 Jun	Etihad Airways
05 May - 18 May	Etihad Airways
07 May - 30 May	Finnair
04 May - 10 May	Finnair
09 May - 16 May	Finnair
01 May - 09 May	Finnair
09 May - 30 May	Finnair
02 May - 09 May	Finnair
02 May - 16 May	Finnair
22 May - 02 Jun	Finnair
19 May - 19 Jun	Ryanair
21 May - 08 Jun	Ryanair
21 May - 01 Jun	Brussels Airlines
31 May - 13 Jun	Scandinavian Airlines

Also check the deals for one-way flights from Brussels 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 Brussels to Seoul in May from 582€

Return flights