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

Return flights

06 Mar - 08 Mar	British Airways	direct
07 Mar - 08 Mar	British Airways	direct
06 Mar - 09 Mar	British Airways	direct
13 Mar - 16 Mar	British Airways	direct
19 Mar - 23 Mar	British Airways	direct
20 Mar - 24 Mar	British Airways	direct
17 Mar - 23 Mar	British Airways	direct

Also check the deals for one-way flights from London to Brussels 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 London to Brussels in March from 105€

Return flights