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

Return flights

29 Aug - 04 Sep	Ryanair
27 Aug - 02 Sep	Ryanair
14 Aug - 18 Aug	Ryanair
11 Aug - 30 Aug	Delta
09 Aug - 30 Aug	KLM
31 Aug - 07 Sep	Lufthansa
04 Aug - 17 Aug	Delta
08 Aug - 12 Aug	Lufthansa
12 Aug - 15 Aug	Delta
10 Aug - 30 Aug	Delta
10 Aug - 14 Aug	Ryanair
05 Aug - 08 Aug	Delta
06 Aug - 13 Aug	British Airways

Also check the deals for one-way flights from Cork to Newark 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 Cork to Newark in August from 472€

Return flights