Cheapest return LCY–BRU flights, September

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

Return flights

03 Sep - 15 Sep KLM
24 Sep - 30 Sep KLM
03 Sep - 07 Sep KLM
11 Sep - 13 Sep KLM
04 Sep - 07 Sep KLM
05 Sep - 07 Sep KLM
18 Sep - 19 Sep KLM
28 Sep - 03 Oct KLM
07 Sep - 11 Sep KLM
04 Sep - 08 Sep KLM
02 Sep - 06 Sep KLM

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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