AirHint found the following cheapest return flights from Phoenix (PHX) to Athens (ATH) in August 2025 (see full year).

Return flights

19 Aug - 02 Sep	Lufthansa
18 Aug - 29 Aug	Lufthansa
16 Aug - 30 Aug	Lufthansa
23 Aug - 07 Sep	Lufthansa
29 Aug - 11 Sep	Frontier Airlines
22 Aug - 29 Aug	United
18 Aug - 25 Aug	United
29 Aug - 07 Sep	Frontier Airlines
28 Aug - 04 Sep	United
07 Aug - 14 Aug	United
26 Aug - 02 Sep	United
24 Aug - 31 Aug	United
30 Aug - 06 Sep	United

Also check the deals for one-way flights from Phoenix to Athens in August.

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.

Book a cheap hotel in Athens

Cheap car rent in Athens

Cheapest return flights from Phoenix to Athens in August from 483€

Return flights