Cheapest return flights from Philadelphia (PHL) to Athens (ATH), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
19 Sep 30 Sep Frontier Airlines
18 Sep 06 Oct Frontier Airlines
18 Sep 29 Sep Frontier Airlines
26 Sep 05 Oct Frontier Airlines
14 Sep 25 Sep Frontier Airlines
25 Sep 04 Oct Frontier Airlines
11 Sep 22 Sep Frontier Airlines
12 Sep 23 Sep Frontier Airlines
09 Sep 26 Sep Frontier Airlines
17 Sep 30 Sep Frontier Airlines
10 Sep 21 Sep Frontier Airlines
18 Sep 27 Oct Frontier Airlines
08 Sep 15 Sep jetBlue
01 Sep 10 Sep jetBlue
15 Sep 24 Oct Frontier Airlines
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deals for one-way flights from Philadelphia to Athens in September.

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Updated Jul 9, 2026.

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