AirHint found the following cheapest return flights from London (LCY) to Brussels (BRU) in October 2025 (see full year).

Return flights

01 Oct - 19 Oct	Lufthansa
21 Oct - 28 Oct	Lufthansa
15 Oct - 19 Oct	Lufthansa
16 Oct - 19 Oct	Lufthansa
10 Oct - 12 Oct	Lufthansa
15 Oct - 22 Oct	Lufthansa
01 Oct - 12 Oct	Lufthansa
08 Oct - 12 Oct	Lufthansa
21 Oct - 22 Oct	Lufthansa
15 Oct - 28 Oct	Lufthansa
30 Oct - 04 Nov	Lufthansa
27 Oct - 01 Nov	KLM
29 Oct - 05 Nov	KLM
29 Oct - 01 Nov	KLM
28 Oct - 04 Nov	Lufthansa
25 Oct - 22 Nov	KLM
28 Oct - 01 Nov	KLM
30 Oct - 03 Nov	KLM
31 Oct - 03 Nov	Lufthansa
27 Oct - 02 Nov	KLM

Also check the deals for one-way flights from London to Brussels in October.

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 October from 211€

Return flights