Cheapest return flights from Philadelphia to Athens in September from 782€

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

16 Sep - 25 Sep Air Canada
16 Sep - 01 Oct Delta
28 Sep - 12 Oct Air Canada
23 Sep - 06 Oct Lufthansa
29 Sep - 06 Oct United
19 Sep - 26 Sep United
09 Sep - 17 Sep Aer Lingus
09 Sep - 18 Sep United
09 Sep - 16 Sep United
06 Sep - 14 Sep British Airways
12 Sep - 27 Sep British Airways
13 Sep - 27 Sep British Airways
06 Sep - 14 Sep 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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