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

Return flights

09 Sep - 17 Sep	Air Canada
09 Sep - 26 Sep	Air Canada
03 Sep - 18 Sep	Air Canada
10 Sep - 18 Sep	Air Canada
30 Sep - 15 Oct	Air Canada
06 Sep - 16 Sep	SWISS
05 Sep - 16 Sep	SWISS
27 Sep - 08 Oct	Air Canada
12 Sep - 19 Sep	Air Canada
26 Sep - 08 Oct	Air Canada
28 Sep - 05 Oct	Air Canada
12 Sep - 23 Sep	Air Canada
18 Sep - 01 Oct	Air Canada
25 Sep - 01 Oct	Air Canada
19 Sep - 01 Oct	SWISS
30 Sep - 12 Oct	SWISS
06 Sep - 20 Sep	Scandinavian Airlines
29 Sep - 11 Oct	Scandinavian Airlines
06 Sep - 14 Sep	SWISS
26 Sep - 12 Oct	Scandinavian Airlines

Also check the deals for one-way flights from Newark to Belgrade in September.

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.

Book a cheap hotel in Belgrade

Cheap car rent in Belgrade

Cheapest return flights from Newark to Belgrade in September from $396

Return flights