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

Return flights

23 Jan - 25 Jan	British Airways	direct
11 Jan - 12 Jan	British Airways	direct
15 Jan - 31 Jan	British Airways	direct
22 Jan - 05 Feb	British Airways	direct
05 Jan - 07 Jan	British Airways	direct

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 109€

Return flights