Cheapest return flights from Philadelphia to Athens in May from $752

AirHint found the following cheapest return flights from Philadelphia (PHL) to Athens (ATH) in May 2026 (see full year).

Return flights

17 May - 26 May Aer Lingus
17 May - 31 May Aer Lingus
02 May - 09 May Frontier Airlines
17 May - 28 May Aer Lingus
08 May - 16 May Frontier Airlines
17 May - 29 May Aer Lingus
12 May - 28 May Frontier Airlines
15 May - 24 May Frontier Airlines
29 May - 07 Jun Aer Lingus
21 May - 28 May Frontier Airlines
02 May - 09 May Finnair direct
29 May - 07 Jun Finnair direct

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

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