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

Return flights

29 Aug - 04 Sep	Delta
28 Aug - 03 Sep	Delta
01 Aug - 08 Aug	Lufthansa
14 Aug - 21 Aug	LOT
01 Aug - 03 Aug	LOT
21 Aug - 31 Aug	Delta
16 Aug - 23 Aug	Transavia France
15 Aug - 17 Aug	Air Serbia
11 Aug - 15 Aug	Delta
04 Aug - 09 Aug	Delta
18 Aug - 30 Aug	Transavia France
26 Aug - 30 Aug	Delta

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 $769

Return flights