Cheapest one-way flights from London to Brussels in September from 70€

AirHint found the following cheapest one-way flights from London (LHR) to Brussels (BRU) in September 2025 (see full year).

One-Way flights

27 Sep British Airways direct
30 Sep Vueling Airlines
28 Sep British Airways direct
25 Sep Brussels Airlines direct
26 Sep Brussels Airlines direct
30 Sep Brussels Airlines direct
29 Sep Brussels Airlines direct
24 Sep Vueling Airlines
22 Sep Aer Lingus
23 Sep SWISS

Also check the deals for return flights from London to Brussels in September.

Skyscanner

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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