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

Return flights

15 Jan - 20 Jan	KLM
16 Jan - 20 Jan	KLM
13 Jan - 16 Jan	KLM
01 Jan - 03 Jan	KLM
15 Jan - 18 Jan	KLM
30 Jan - 01 Feb	KLM
31 Jan - 15 Feb	KLM
23 Jan - 27 Feb	KLM
14 Jan - 17 Jan	KLM
23 Jan - 25 Jan	KLM
15 Jan - 17 Jan	KLM
08 Jan - 11 Jan	KLM
09 Jan - 11 Jan	KLM

Also check the deals for one-way flights from London 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 London to Brussels in January from 210€

Return flights