AirHint found the following cheapest one-way flights from London (LHR) to Naples (NAP) in September 2025 (see full year).

One-Way flights

30 Sep	Vueling Airlines
27 Sep	Vueling Airlines
27 Sep	British Airways	direct
26 Sep	British Airways	direct
20 Sep	British Airways	direct
24 Sep	British Airways	direct
21 Sep	British Airways	direct
30 Sep	British Airways	direct
22 Sep	British Airways	direct
14 Sep	British Airways	direct

Also check the deals for return flights from London to Naples 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 one-way flights from London to Naples in September from $91

One-Way flights