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

Return flights

09 Dec - 13 Dec	Ryanair
03 Dec - 06 Dec	Ryanair
11 Dec - 17 Dec	Air Serbia
12 Dec - 11 Jan	easyJet
09 Dec - 14 Dec	Ryanair
12 Dec - 07 Jan	Air Serbia
01 Dec - 05 Dec	Ryanair
09 Dec - 12 Dec	easyJet
15 Dec - 25 Jan	Ryanair
13 Dec - 25 Jan	Ryanair
13 Dec - 21 Dec	easyJet
12 Dec - 27 Dec	Air Serbia
10 Dec - 13 Dec	Ryanair
12 Dec - 28 Dec	Ryanair
24 Dec - 01 Jan	Air Serbia
11 Dec - 08 Jan	Air Serbia
26 Dec - 01 Jan	Air Serbia
24 Dec - 08 Jan	Air Serbia
14 Dec - 11 Jan	Air Serbia
12 Dec - 05 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.

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Cheapest return flights from Amsterdam to Bucharest in December from 149€

Return flights