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

Return flights

23 Dec - 01 Jan	SWISS
14 Dec - 28 Dec	Lufthansa
21 Dec - 31 Dec	SWISS
21 Dec - 01 Jan	SWISS
23 Dec - 04 Jan	SWISS
21 Dec - 03 Jan	SWISS
22 Dec - 01 Jan	SWISS
20 Dec - 30 Dec	SWISS
22 Dec - 03 Jan	SWISS
20 Dec - 30 Dec	Air Serbia	direct
23 Dec - 01 Jan	Air Serbia	direct
21 Dec - 03 Jan	Air Serbia	direct
23 Dec - 04 Jan	Air Serbia	direct
21 Dec - 01 Jan	Air Serbia	direct

Also check the deals for one-way flights from New York to Belgrade in December.

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 December from 546€

Return flights