Cheapest return flights from London to Brussels in September from $136

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

Return flights

08 Sep - 15 Sep British Airways direct
27 Sep - 04 Oct British Airways direct

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

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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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