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

Return flights

10 Dec - 17 Dec	SWISS
01 Dec - 15 Dec	Lufthansa
31 Dec - 14 Jan	United
04 Dec - 18 Dec	Austrian Airlines
03 Dec - 30 Dec	SWISS
15 Dec - 02 Jan	Austrian Airlines
17 Dec - 02 Jan	Austrian Airlines
19 Dec - 05 Jan	SWISS

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 328€

Return flights