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

Return flights

26 Dec - 16 Jan	Air Serbia
26 Dec - 17 Jan	Air Serbia
10 Dec - 17 Dec	Fly One
10 Dec - 15 Dec	Fly One
16 Dec - 19 Dec	Austrian Airlines
27 Dec - 16 Jan	KLM
16 Dec - 09 Jan	Austrian Airlines
16 Dec - 13 Jan	Austrian Airlines
16 Dec - 14 Jan	Austrian Airlines
12 Dec - 14 Dec	easyJet
16 Dec - 08 Jan	Austrian Airlines
12 Dec - 13 Dec	transavia
25 Dec - 10 Jan	transavia
12 Dec - 16 Dec	transavia
26 Dec - 29 Dec	Air Serbia
26 Dec - 01 Jan	Air Serbia
12 Dec - 23 Dec	transavia
11 Dec - 22 Dec	Austrian Airlines
11 Dec - 17 Dec	Austrian Airlines
12 Dec - 10 Jan	transavia

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.

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Cheapest return flights from Amsterdam to Bucharest in December from 156€

Return flights