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

Return flights

30 Jan - 08 Feb	Etihad Airways
25 Jan - 08 Feb	Etihad Airways
28 Jan - 10 Feb	Lufthansa
21 Jan - 08 Feb	Lufthansa
21 Jan - 10 Feb	Lufthansa
20 Jan - 10 Feb	Lufthansa
20 Jan - 08 Feb	Lufthansa
19 Jan - 26 Jan	China Eastern
28 Jan - 05 Feb	Lufthansa
20 Jan - 06 Feb	Lufthansa
19 Jan - 09 Feb	Lufthansa
21 Jan - 29 Jan	Lufthansa
23 Jan - 29 Jan	KLM
14 Jan - 20 Jan	Lufthansa
14 Jan - 22 Jan	Lufthansa
16 Jan - 20 Jan	Lufthansa
20 Jan - 22 Jan	Qatar Airways
19 Jan - 23 Jan	Lufthansa
13 Jan - 26 Jan	LOT
07 Jan - 24 Jan	Etihad Airways

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

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 Seoul to Brussels in January from 432€

Return flights