Cheapest return flights from Philadelphia to Rome in September from $839

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

24 Sep - 05 Oct jetBlue
18 Sep - 29 Sep Aer Lingus
25 Sep - 05 Oct Aer Lingus
26 Sep - 04 Oct Aer Lingus
05 Sep - 20 Oct Icelandair
23 Sep - 30 Sep United
18 Sep - 29 Sep Finnair direct
24 Sep - 05 Oct Iberia direct
26 Sep - 04 Oct British Airways direct
05 Sep - 20 Oct Finnair direct
13 Sep - 20 Sep United
25 Sep - 05 Oct British Airways direct

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

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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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