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

Return flights

03 Dec - 17 Dec	SWISS
31 Dec - 07 Jan	Austrian Airlines
11 Dec - 25 Dec	Austrian Airlines
08 Dec - 07 Jan	SWISS
30 Dec - 06 Jan	Austrian Airlines
29 Dec - 05 Jan	Austrian Airlines
06 Dec - 20 Dec	British Airways
16 Dec - 23 Dec	American Airlines
01 Dec - 31 Dec	SWISS
17 Dec - 24 Dec	Austrian Airlines
12 Dec - 26 Dec	Austrian Airlines
22 Dec - 07 Jan	Austrian Airlines
26 Dec - 02 Jan	Austrian Airlines
17 Dec - 02 Jan	Austrian Airlines
24 Dec - 04 Jan	Austrian Airlines
19 Dec - 05 Jan	Austrian Airlines
19 Dec - 02 Jan	Austrian 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 $362

Return flights