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

Return flights

08 Dec - 16 Dec	Lufthansa
28 Dec - 13 Jan	Lufthansa
10 Dec - 15 Jan	Lufthansa
09 Dec - 16 Dec	Lufthansa
10 Dec - 16 Jan	Lufthansa
10 Dec - 14 Jan	Lufthansa
11 Dec - 16 Jan	TAP
03 Dec - 27 Dec	Turkish Airlines
02 Dec - 27 Dec	Turkish Airlines
25 Dec - 10 Jan	SWISS
11 Dec - 10 Jan	TAP
06 Dec - 20 Dec	Turkish Airlines
29 Dec - 05 Jan	Lufthansa
16 Dec - 30 Dec	LOT
22 Dec - 31 Jan	Air France
11 Dec - 03 Jan	TAP
20 Dec - 29 Dec	Spirit Airlines

Also check the deals for one-way flights from Los Angeles 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 Los Angeles to Bucharest in December from $545

Return flights