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

Return flights

14 Apr - 28 Apr	SWISS
07 Apr - 16 Apr	Finnair
07 Apr - 22 Apr	Finnair
07 Apr - 21 Apr	Finnair
30 Apr - 15 May	Scandinavian Airlines
06 Apr - 19 Apr	Finnair
08 Apr - 22 Apr	Finnair
01 Apr - 15 Apr	Finnair
13 Apr - 19 Apr	Finnair
30 Apr - 16 May	Finnair
27 Apr - 10 May	Finnair
27 Apr - 08 May	Finnair
22 Apr - 29 Apr	Turkish Airlines
11 Apr - 22 Apr	Finnair
25 Apr - 16 May	Finnair
17 Apr - 04 May	Finnair
24 Apr - 04 May	Finnair
24 Apr - 03 May	Qatar Airways
17 Apr - 02 May	Turkish Airlines
25 Apr - 09 May	Finnair

Also check the deals for one-way flights from Brussels 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 Brussels to Seoul in April from 614€

Return flights