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

Return flights

30 Dec - 13 Jan	Austrian Airlines
26 Dec - 22 Jan	British Airways
26 Dec - 21 Jan	British Airways
26 Dec - 19 Jan	British Airways
26 Dec - 13 Jan	British Airways
26 Dec - 12 Jan	British Airways
26 Dec - 09 Jan	British Airways
15 Dec - 23 Jan	Air France
14 Dec - 13 Jan	Air France
15 Dec - 12 Jan	SWISS
12 Dec - 15 Dec	SWISS
15 Dec - 26 Dec	British Airways
14 Dec - 21 Dec	KLM
15 Dec - 29 Dec	Lufthansa
27 Dec - 30 Dec	Air Canada
11 Dec - 31 Dec	British Airways
22 Dec - 25 Dec	British Airways
21 Dec - 28 Dec	jetBlue
19 Dec - 22 Dec	Spirit Airlines
21 Dec - 29 Dec	Spirit Airlines

Also check the deals for one-way flights from Newark 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 Newark to Bucharest in December from $449

Return flights