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

Return flights

03 Dec - 07 Dec	LATAM Airlines Group
04 Dec - 24 Dec	LATAM Airlines Group
31 Dec - 23 Jan	LATAM Airlines Group
11 Dec - 24 Dec	LATAM Airlines Group
04 Dec - 19 Dec	LATAM Airlines Group
02 Dec - 01 Jan	LATAM Airlines Group
12 Dec - 26 Dec	LATAM Airlines Group
24 Dec - 09 Jan	TAP
24 Dec - 05 Jan	TAP
27 Dec - 08 Jan	LATAM Airlines Group
23 Dec - 10 Jan	LATAM Airlines Group
17 Dec - 05 Jan	Turkish Airlines
26 Dec - 16 Jan	LATAM Airlines Group
21 Dec - 09 Jan	TAP
13 Dec - 05 Jan	LATAM Airlines Group
18 Dec - 27 Dec	Qatar Airways

Also check the deals for one-way flights from Vienna 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 Vienna to Buenos Aires in December from $908

Return flights