AirHint found the following cheapest return flights from London (LCY) to Manila (MNL) in September 2025 (see full year).

Return flights

03 Sep - 24 Sep	KLM
10 Sep - 08 Oct	KLM
11 Sep - 08 Oct	KLM
25 Sep - 14 Oct	KLM
24 Sep - 14 Oct	KLM
17 Sep - 14 Oct	KLM
10 Sep - 14 Oct	KLM
29 Sep - 08 Oct	KLM
25 Sep - 16 Oct	KLM
29 Sep - 14 Oct	KLM
24 Sep - 12 Oct	KLM
03 Sep - 14 Sep	KLM
01 Sep - 11 Sep	KLM
03 Sep - 11 Sep	KLM
08 Sep - 14 Sep	KLM
13 Sep - 19 Sep	KLM
06 Sep - 18 Sep	KLM
06 Sep - 14 Sep	KLM
04 Sep - 11 Sep	KLM
10 Sep - 18 Sep	KLM

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

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 Manila in September from $883

Return flights