Cheapest return flights from Philadelphia to Athens in September from 813€

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

17 Sep - 01 Oct Air Canada
24 Sep - 08 Oct Air Canada
18 Sep - 25 Sep United
18 Sep - 02 Oct Air Canada
08 Sep - 15 Sep Aer Lingus
28 Sep - 05 Oct United
17 Sep - 01 Oct British Airways direct
04 Sep - 15 Sep United
08 Sep - 15 Sep British Airways 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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