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

Return flights

26 Dec - 03 Jan	Air Serbia
09 Dec - 16 Dec	Lufthansa
09 Dec - 20 Dec	Lufthansa
08 Dec - 15 Dec	Lufthansa
12 Dec - 14 Dec	Lufthansa
16 Dec - 18 Dec	Lufthansa
26 Dec - 28 Dec	Lufthansa
08 Dec - 16 Dec	Lufthansa
11 Dec - 13 Dec	Lufthansa
11 Dec - 14 Dec	Lufthansa
09 Dec - 16 Dec	KLM	direct
13 Dec - 03 Jan	Lufthansa
17 Dec - 03 Jan	Air Serbia
25 Dec - 01 Jan	KLM
24 Dec - 01 Jan	Austrian Airlines
25 Dec - 02 Jan	Austrian Airlines
21 Dec - 01 Jan	Air Serbia
17 Dec - 04 Jan	Austrian Airlines
30 Dec - 03 Jan	Air Serbia
21 Dec - 04 Jan	Air Serbia

Also check the deals for one-way flights from Amsterdam 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.

Book a cheap hotel in Bucharest

Cheap car rent in Bucharest

Cheapest return flights from Amsterdam to Bucharest in December from $216

Return flights