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

Return flights

01 Dec - 14 Dec	Ryanair
01 Dec - 19 Dec	Ryanair
03 Dec - 21 Dec	Ryanair
26 Dec - 11 Jan	Ryanair
29 Dec - 14 Jan	Ryanair
07 Dec - 15 Dec	Ryanair
14 Dec - 28 Dec	Ryanair
15 Dec - 28 Dec	Ryanair
10 Dec - 15 Jan	Ryanair
16 Dec - 13 Jan	Ryanair
06 Dec - 22 Dec	Ryanair
26 Dec - 16 Jan	Ryanair
31 Dec - 07 Jan	Wizz Air
19 Dec - 12 Jan	Wizz Air
15 Dec - 04 Jan	Ryanair
26 Dec - 03 Jan	Wizz Air
26 Dec - 04 Jan	Ryanair

Also check the deals for one-way flights from Warsaw 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 Warsaw to Buenos Aires in December from 1099€

Return flights