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

Return flights

05 Sep - 15 Sep	KLM
17 Sep - 29 Sep	KLM
02 Sep - 12 Sep	KLM
02 Sep - 10 Sep	KLM
16 Sep - 30 Sep	KLM
05 Sep - 09 Sep	KLM
16 Sep - 23 Sep	KLM
18 Sep - 24 Sep	KLM
09 Sep - 19 Sep	KLM
15 Sep - 25 Sep	KLM
29 Sep - 08 Oct	KLM
29 Sep - 06 Oct	KLM
26 Sep - 01 Oct	KLM
25 Sep - 09 Oct	KLM
30 Sep - 06 Oct	KLM
23 Sep - 06 Oct	KLM
24 Sep - 01 Oct	KLM
22 Sep - 01 Oct	KLM
30 Sep - 07 Oct	KLM
17 Sep - 01 Oct	KLM

Also check the deals for one-way flights from London to Faro 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 Faro in September from 207€

Return flights