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

Return flights

31 Jul - 16 Aug	Frontier Airlines
30 Jul - 06 Aug	jetBlue
30 Jul - 13 Aug	Spirit Airlines
30 Jul - 13 Aug	Finnair	direct
28 Jul - 13 Aug	Spirit Airlines
30 Jul - 06 Aug	Finnair	direct
28 Jul - 13 Aug	Finnair	direct
31 Jul - 16 Aug	Finnair	direct

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

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 July from 890€

Return flights