Cheapest return flights from Philadelphia to Rome in September from 537€

Best time to book flights for Philadelphia (PHL) to Rome (FCO) flights at AirHint

AirHint found the following cheapest return flights from Philadelphia (PHL) to Rome (FCO) in September 2025 (see full year).

Return flights

26 Sep - 04 Oct Delta
19 Sep - 27 Sep Delta
10 Sep - 25 Sep Aer Lingus
16 Sep - 30 Sep Aer Lingus
12 Sep - 26 Sep Aer Lingus
03 Sep - 17 Sep Aer Lingus
05 Sep - 19 Sep Aer Lingus
12 Sep - 20 Sep Aer Lingus
11 Sep - 25 Sep Aer Lingus
06 Sep - 19 Sep Aer Lingus
09 Sep - 24 Sep Aer Lingus

Also check the deals for one-way flights from Philadelphia to Rome in September.

Skyscanner

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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