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

Return flights

26 Aug - 04 Sep	Air Canada
27 Aug - 04 Sep	Air Canada
24 Aug - 05 Sep	Air Canada
17 Aug - 28 Aug	Air Canada
24 Aug - 03 Sep	Air Canada
20 Aug - 03 Sep	Air Canada
19 Aug - 03 Sep	Air Canada
25 Aug - 03 Sep	United
27 Aug - 03 Sep	Air Canada
31 Aug - 11 Sep	Air Canada
27 Aug - 16 Sep	Air Canada
19 Aug - 28 Aug	Delta
10 Aug - 28 Aug	Delta
18 Aug - 28 Aug	Delta
17 Aug - 29 Aug	Delta
05 Aug - 14 Aug	Delta
05 Aug - 15 Aug	Delta
05 Aug - 12 Aug	Delta
18 Aug - 26 Aug	Scandinavian Airlines
06 Aug - 29 Aug	Delta

Also check the deals for one-way flights from Newark 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.

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Cheapest return flights from Newark to Athens in August from 325€

Return flights