AirHint found the following cheapest return flights from Amsterdam (AMS) to Buenos Aires (AEP) in December 2025 (see full year).

Return flights

02 Dec - 07 Dec	Air Canada
01 Dec - 15 Jan	Air Canada
03 Dec - 10 Dec	LATAM Airlines Group
01 Dec - 09 Dec	LATAM Airlines Group
09 Dec - 21 Jan	Air Canada
09 Dec - 23 Jan	Air Canada
09 Dec - 24 Jan	Air Canada
30 Dec - 24 Jan	Air Canada
05 Dec - 20 Dec	Ryanair
05 Dec - 21 Jan	Air Canada
02 Dec - 22 Jan	transavia
05 Dec - 09 Dec	LATAM Airlines Group
07 Dec - 13 Jan	Air Canada
28 Dec - 21 Jan	Air Canada
02 Dec - 15 Dec	British Airways
29 Dec - 29 Jan	Air Canada
01 Dec - 15 Dec	LATAM Airlines Group
09 Dec - 16 Dec	LATAM Airlines Group
04 Dec - 30 Dec	Air Canada
04 Dec - 29 Dec	Air Canada

Also check the deals for one-way flights from Amsterdam 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 Amsterdam to Buenos Aires in December from 939€

Return flights