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

Return flights

14 Dec - 23 Jan	Air Canada
02 Dec - 18 Jan	Air Canada
03 Dec - 08 Dec	Delta
04 Dec - 08 Dec	Air Canada
05 Dec - 08 Dec	Delta
03 Dec - 09 Dec	Delta
03 Dec - 21 Jan	Delta
28 Dec - 10 Jan	Iberia For Level
28 Dec - 12 Jan	Iberia For Level
05 Dec - 12 Dec	LATAM Airlines Group
30 Dec - 13 Jan	Iberia For Level
10 Dec - 21 Jan	Delta
28 Dec - 11 Jan	Iberia For Level
29 Dec - 11 Jan	Iberia For Level
02 Dec - 09 Dec	Air Europa
02 Dec - 15 Dec	Air Europa
02 Dec - 16 Dec	Air Europa
28 Dec - 14 Jan	Delta
08 Dec - 28 Dec	Delta
08 Dec - 16 Dec	Iberia

Also check the deals for one-way flights from Rome 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 Rome to Buenos Aires in December from 799€

Return flights