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

Return flights

30 Sep - 08 Oct	KLM
18 Sep - 23 Sep	SWISS
30 Sep - 07 Oct	KLM
30 Sep - 06 Oct	KLM
25 Sep - 23 Oct	SWISS
17 Sep - 24 Sep	SWISS
17 Sep - 25 Sep	SWISS
18 Sep - 25 Sep	SWISS
26 Sep - 06 Oct	KLM
17 Sep - 23 Sep	SWISS
29 Sep - 07 Oct	KLM
28 Sep - 07 Oct	KLM
27 Sep - 06 Oct	KLM
30 Sep - 03 Oct	KLM
29 Sep - 06 Oct	KLM
25 Sep - 30 Sep	SWISS
26 Sep - 30 Sep	KLM
27 Sep - 30 Sep	KLM
22 Sep - 29 Sep	KLM
24 Sep - 29 Sep	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 219€

Return flights