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

Return flights

30 Dec - 29 Jan	Ryanair
03 Dec - 15 Dec	Wizz Air Malta
09 Dec - 23 Dec	Air France
04 Dec - 21 Dec	Air France
30 Dec - 13 Jan	Ryanair
30 Dec - 15 Jan	Ryanair
16 Dec - 23 Dec	TAROM
27 Dec - 19 Jan	Wizz Air Malta
28 Dec - 16 Jan	Wizz Air Malta
30 Dec - 14 Jan	Ryanair
29 Dec - 13 Jan	Wizz Air Malta
30 Dec - 11 Jan	Ryanair
29 Dec - 11 Jan	Ryanair
18 Dec - 18 Jan	Wizz Air Malta
19 Dec - 26 Dec	Ryanair

Also check the deals for one-way flights from Bucharest to Buenos Aires 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 Buenos Aires in December from 1066€

Return flights