AirHint found the following cheapest return flights from New York (NYC) to Bucharest (OTP) in December 2025 (see full year).

Return flights

08 Dec - 15 Dec	Lufthansa
09 Dec - 16 Dec	Lufthansa
10 Dec - 17 Dec	Lufthansa
02 Dec - 09 Dec	SWISS
08 Dec - 22 Dec	SWISS
01 Dec - 08 Dec	SWISS
05 Dec - 12 Dec	SWISS
03 Dec - 10 Dec	Austrian Airlines
05 Dec - 19 Dec	Air Canada
04 Dec - 11 Dec	Austrian Airlines
25 Dec - 05 Jan	Lufthansa
17 Dec - 19 Jan	Austrian Airlines
17 Dec - 19 Jan	HiSky Europe	direct
28 Dec - 04 Jan	Lufthansa
12 Dec - 02 Jan	Austrian Airlines
12 Dec - 02 Jan	HiSky Europe	direct
22 Dec - 16 Jan	HiSky Europe	direct
27 Dec - 03 Jan	Air Serbia
22 Dec - 02 Jan	HiSky Europe	direct

Also check the deals for one-way flights from New York to Bucharest 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 Bucharest in December from $355

Return flights