Cheapest return flights from Philadelphia to Athens in May from $778

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 May 2025 (see full year).

Return flights

09 May - 13 May Frontier Airlines
02 May - 07 May Spirit Airlines
12 May - 23 May American Airlines direct
06 May - 13 May United
14 May - 21 May United
08 May - 15 May United
04 May - 11 May United
15 May - 22 May United
02 May - 09 May United
17 May - 24 May United
30 May - 23 Jun Spirit Airlines
29 May - 05 Jun United
26 May - 02 Jun United
30 May - 23 Jun Finnair direct

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

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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