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

Return flights

31 Dec - 17 Jan	Austrian Airlines
31 Dec - 08 Jan	United
25 Dec - 19 Jan	Lufthansa
31 Dec - 07 Jan	United
30 Dec - 07 Jan	United
26 Dec - 19 Jan	British Airways
14 Dec - 17 Dec	Austrian Airlines
24 Dec - 20 Jan	British Airways
24 Dec - 19 Jan	British Airways
15 Dec - 22 Dec	Air Canada
24 Dec - 09 Jan	United
30 Dec - 06 Jan	Austrian Airlines
24 Dec - 31 Dec	British Airways
16 Dec - 23 Dec	Air Canada
24 Dec - 29 Dec	Air Canada
24 Dec - 28 Dec	Lufthansa
25 Dec - 29 Dec	TAP
19 Dec - 22 Dec	Air Canada
22 Dec - 28 Dec	Air Canada
22 Dec - 26 Dec	jetBlue

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 $376

Return flights