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

Return flights

07 Dec - 14 Dec	Ryanair
22 Dec - 24 Dec	TAROM	direct
07 Dec - 10 Dec	TAROM	direct
14 Dec - 21 Dec	Ryanair
28 Dec - 31 Dec	TAROM	direct
15 Dec - 18 Dec	TAROM	direct
23 Dec - 26 Dec	TAROM	direct
07 Dec - 09 Dec	TAROM	direct
22 Dec - 26 Dec	TAROM	direct
16 Dec - 18 Dec	TAROM	direct
28 Dec - 17 Jan	Ryanair
23 Dec - 08 Jan	Wizz Air Malta
23 Dec - 05 Jan	Air Serbia
31 Dec - 02 Jan	Ryanair
28 Dec - 01 Jan	Ryanair
25 Dec - 01 Jan	LOT
31 Dec - 06 Jan	Ryanair
27 Dec - 01 Jan	LOT
23 Dec - 05 Jan	TAROM	direct
31 Dec - 05 Jan	TAROM	direct

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 $90

Return flights