Cheapest return flights from Philadelphia to Athens in September from 841€

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

22 Sep - 29 Sep United
19 Sep - 28 Sep Air Canada
02 Sep - 09 Sep United
08 Sep - 22 Sep Air Canada
04 Sep - 18 Sep Air Canada
12 Sep - 19 Sep United
04 Sep - 16 Sep Air Canada
04 Sep - 15 Sep United
19 Sep - 28 Sep Finnair direct
04 Sep - 18 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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