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

Return flights

10 Sep - 18 Sep	Scandinavian Airlines
17 Sep - 18 Oct	Norse Atlantic Airways
02 Sep - 30 Sep	Norse Atlantic Airways
16 Sep - 18 Oct	Norse Atlantic Airways
15 Sep - 18 Oct	Norse Atlantic Airways (UK)
16 Sep - 23 Sep	Air Canada
10 Sep - 18 Sep	Air Serbia	direct
02 Sep - 30 Sep	Air Serbia	direct
16 Sep - 18 Oct	Air Serbia	direct
15 Sep - 18 Oct	Air Serbia	direct

Also check the deals for one-way flights from New York 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.

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Cheapest return flights from New York to Belgrade in September from $464

Return flights