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

Return flights

10 Dec - 14 Dec	Vueling Airlines
10 Dec - 11 Dec	Vueling Airlines
12 Dec - 15 Dec	Vueling Airlines
07 Dec - 11 Dec	easyJet
08 Dec - 13 Dec	easyJet
11 Dec - 15 Dec	SWISS
05 Dec - 08 Dec	SWISS
11 Dec - 14 Dec	SWISS
05 Dec - 07 Dec	SWISS
04 Dec - 07 Dec	SWISS
09 Dec - 07 Jan	SWISS
07 Dec - 06 Jan	SWISS
08 Dec - 06 Jan	SWISS
09 Dec - 06 Jan	SWISS
17 Dec - 06 Jan	Lufthansa
27 Dec - 01 Jan	KLM
29 Dec - 02 Jan	Lufthansa
18 Dec - 06 Jan	Air Serbia
30 Dec - 04 Jan	TAROM	direct
18 Dec - 06 Jan	TAROM	direct

Also check the deals for one-way flights from Nice 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 Nice to Bucharest in December from $176

Return flights