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

Return flights

31 Dec - 31 Jan	LATAM Airlines Group
04 Dec - 11 Dec	LATAM Airlines Group
05 Dec - 07 Dec	Ryanair
07 Dec - 14 Dec	Ryanair
10 Dec - 17 Dec	Ryanair
09 Dec - 16 Dec	Ryanair
29 Dec - 18 Jan	Ryanair
29 Dec - 17 Jan	Ryanair
12 Dec - 12 Jan	Ryanair
17 Dec - 22 Dec	Wizz Air Malta
23 Dec - 30 Dec	Ryanair
04 Dec - 14 Jan	Wizz Air Malta
14 Dec - 18 Jan	Wizz Air Malta
29 Dec - 13 Jan	Ryanair
27 Dec - 18 Jan	TAP
11 Dec - 13 Jan	Ryanair
14 Dec - 21 Dec	LATAM Airlines Group
16 Dec - 30 Dec	Wizz Air Malta
16 Dec - 13 Jan	Wizz Air Malta
26 Dec - 31 Dec	Ryanair

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 1127€

Return flights