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

Return flights

21 Sep - 21 Oct	TAP
30 Sep - 15 Oct	Vueling Airlines
27 Sep - 06 Oct	TAP
25 Sep - 01 Oct	TAP
29 Sep - 06 Oct	TAP
16 Sep - 23 Sep	TAP
16 Sep - 22 Sep	TAP
28 Sep - 06 Oct	TAP
30 Sep - 09 Oct	Vueling Airlines
17 Sep - 22 Sep	TAP
16 Sep - 30 Sep	TAP
16 Sep - 25 Sep	TAP
17 Sep - 01 Oct	TAP
17 Sep - 06 Oct	TAP
23 Sep - 16 Oct	TAP
16 Sep - 24 Sep	TAP
21 Sep - 30 Sep	TAP
22 Sep - 30 Sep	TAP
24 Sep - 30 Sep	TAP
25 Sep - 30 Sep	TAP

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 140€

Return flights