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

Return flights

24 Aug - 15 Sep	SWISS
31 Aug - 13 Sep	SWISS
29 Aug - 09 Sep	Austrian Airlines
20 Aug - 02 Sep	Scandinavian Airlines
29 Aug - 08 Sep	Austrian Airlines
09 Aug - 08 Sep	Austrian Airlines
22 Aug - 06 Sep	United
30 Aug - 13 Sep	SWISS
08 Aug - 08 Sep	Air France
29 Aug - 14 Sep	Austrian Airlines
10 Aug - 28 Aug	FrenchBee
21 Aug - 28 Aug	Delta
16 Aug - 29 Aug	United
14 Aug - 19 Aug	FrenchBee
15 Aug - 29 Aug	Austrian Airlines
15 Aug - 19 Aug	KLM
16 Aug - 21 Aug	Icelandair
13 Aug - 24 Aug	SWISS
10 Aug - 23 Aug	United
13 Aug - 19 Aug	SWISS

Also check the deals for one-way flights from Newark to Belgrade 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 Belgrade in August from 490€

Return flights