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

Return flights

06 Dec - 11 Dec	Wizz Air Malta
10 Dec - 14 Dec	Wizz Air Malta
03 Dec - 07 Dec	Wizz Air Malta
09 Dec - 11 Dec	Wizz Air Malta
02 Dec - 07 Dec	Wizz Air Malta
06 Dec - 09 Dec	Wizz Air Malta
07 Dec - 09 Dec	Wizz Air Malta
01 Dec - 06 Dec	Wizz Air Malta
17 Dec - 21 Dec	Wizz Air Malta
14 Dec - 18 Dec	Ryanair
12 Dec - 10 Jan	Wizz Air Malta
19 Dec - 08 Jan	Wizz Air Malta
26 Dec - 11 Jan	Wizz Air Malta
25 Dec - 10 Jan	Wizz Air Malta
20 Dec - 05 Jan	Wizz Air Malta
26 Dec - 08 Jan	Air Serbia
21 Dec - 06 Jan	TAROM
28 Dec - 01 Jan	Ryanair
22 Dec - 05 Jan	Wizz Air Malta
21 Dec - 04 Jan	Ryanair

Also check the deals for one-way flights from Bucharest to Budapest 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 Bucharest to Budapest in December from $110

Return flights