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

Return flights

14 Apr - 13 May	Cathay Pacific
10 Apr - 22 Apr	Air China
28 Apr - 06 May	Hainan Airlines
29 Apr - 09 May	Wizz Air Malta
21 Apr - 11 May	Wizz Air
23 Apr - 24 May	Ryanair
28 Apr - 08 May	Wizz Air
27 Apr - 09 May	Wizz Air
27 Apr - 06 May	Wizz Air
27 Apr - 10 May	Wizz Air
25 Apr - 13 May	Ryanair
12 Apr - 28 Apr	Ryanair
17 Apr - 23 Apr	Ryanair
12 Apr - 27 Apr	Ryanair
14 Apr - 23 Apr	Wizz Air
13 Apr - 27 Apr	Air China
13 Apr - 28 Apr	Air China
13 Apr - 29 Apr	Air China
12 Apr - 20 Apr	Ryanair
01 Apr - 15 Apr	Air China

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 501€

Return flights