Cheapest return flights from Philadelphia to Athens in September from $805

Best time to book flights for Philadelphia (PHL) to Athens (ATH) flights at AirHint

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

Return flights

19 Sep - 03 Oct Turkish Airlines
24 Sep - 05 Oct Spirit Airlines
09 Sep - 23 Sep Turkish Airlines
23 Sep - 30 Sep United
18 Sep - 25 Sep United
05 Sep - 19 Sep Spirit Airlines
27 Sep - 04 Oct United
03 Sep - 10 Sep United
08 Sep - 15 Sep United
13 Sep - 20 Sep United
05 Sep - 19 Sep Finnair direct
24 Sep - 05 Oct Finnair direct

Also check the deals for one-way flights from Philadelphia to Athens 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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