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

Return flights

28 Jul - 26 Aug	Delta
28 Jul - 21 Aug	United
29 Jul - 19 Aug	Delta
31 Jul - 28 Aug	Delta
29 Jul - 09 Aug	Air Canada
30 Jul - 05 Aug	United
29 Jul - 31 Jul	United
27 Jul - 31 Jul	United
28 Jul - 06 Aug	United
30 Jul - 06 Aug	United
30 Jul - 02 Aug	United
30 Jul - 30 Aug	Virgin Atlantic
27 Jul - 31 Jul	United	direct
29 Jul - 31 Jul	United	direct

Also check the deals for one-way flights from Newark to Athens in July.

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 July from 492€

Return flights