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

Return flights

05 Aug - 19 Aug	SWISS
29 Aug - 13 Sep	Delta
28 Aug - 11 Sep	SWISS
13 Aug - 03 Sep	SWISS
14 Aug - 21 Aug	LOT
13 Aug - 21 Aug	SWISS
10 Aug - 17 Aug	Lufthansa
21 Aug - 31 Aug	SWISS
18 Aug - 08 Sep	Delta
09 Aug - 15 Aug	Transavia France
17 Aug - 18 Aug	Turkish Airlines

Also check the deals for one-way flights from Ljubljana 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 Ljubljana to Newark in August from 654€

Return flights