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

Return flights

11 Dec - 15 Dec	TAROM
12 Dec - 15 Dec	TAROM
10 Dec - 15 Dec	TAROM	direct
14 Dec - 17 Dec	TAROM	direct
12 Dec - 14 Dec	TAROM	direct
19 Dec - 22 Dec	TAROM	direct
15 Dec - 19 Dec	TAROM	direct
25 Dec - 28 Dec	TAROM	direct
05 Dec - 07 Dec	TAROM	direct
11 Dec - 14 Dec	TAROM	direct
30 Dec - 03 Jan	Air Serbia

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 $167

Return flights