AirHint found the following cheapest return flights from Philadelphia (PHL) to Naples (NAP) in October 2025 (see full year).

Return flights

14 Oct - 23 Oct	British Airways	direct
13 Oct - 22 Oct	Frontier Airlines
13 Oct - 08 Nov	Frontier Airlines
13 Oct - 22 Oct	British Airways	direct
05 Oct - 22 Oct	Frontier Airlines
01 Oct - 25 Oct	Spirit Airlines
23 Oct - 25 Oct	Frontier Airlines
07 Oct - 22 Oct	Delta
09 Oct - 12 Oct	Frontier Airlines
10 Oct - 20 Oct	Spirit Airlines
24 Oct - 26 Oct	Frontier Airlines

Also check the deals for one-way flights from Philadelphia to Naples in October.

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 Philadelphia to Naples in October from 519€

Return flights