AirHint found the following cheapest one-way flights from Rome (ROM) to Buenos Aires (AEP) in December 2025 (see full year).

One-Way flights

09 Dec	Ryanair
03 Dec	Ryanair
02 Dec	Turkish Airlines
05 Dec	Turkish Airlines
30 Dec	Turkish Airlines
04 Dec	Wizz Air Malta
06 Dec	LATAM Airlines Group
22 Dec	ITA Airways
16 Dec	Vueling Airlines
24 Dec	ITA Airways

Also check the deals for return 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 one-way flights from Rome to Buenos Aires in December from $574

One-Way flights