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

Return flights

14 Mar - 24 Mar	Ryanair
14 Mar - 26 Mar	Ryanair
09 Mar - 23 Mar	Ryanair
10 Mar - 16 Mar	Cathay Pacific
14 Mar - 28 Mar	Ryanair
09 Mar - 16 Mar	Cathay Pacific
14 Mar - 27 Mar	Ryanair
15 Mar - 30 Mar	Ryanair
03 Mar - 17 Mar	Ryanair
15 Mar - 25 Mar	Ryanair
30 Mar - 04 Apr	Air China
26 Mar - 07 Apr	Air China
16 Mar - 02 Apr	Ryanair
16 Mar - 01 Apr	easyJet
04 Mar - 01 Apr	Ryanair
26 Mar - 08 Apr	Air China
26 Mar - 05 Apr	Air China
03 Mar - 08 Apr	easyJet
15 Mar - 01 Apr	Brussels Airlines
29 Mar - 07 Apr	Air China

Also check the deals for one-way flights from Brussels to Seoul in March.

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 March from 498€

Return flights