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

Return flights

08 Dec - 14 Dec	LOT
01 Dec - 14 Dec	LOT
31 Dec - 28 Jan	LOT
30 Dec - 28 Jan	LOT
30 Dec - 29 Jan	LOT
29 Dec - 29 Jan	LOT
08 Dec - 22 Dec	LOT
06 Dec - 20 Dec	LOT
31 Dec - 17 Jan	LOT
29 Dec - 13 Jan	LOT
22 Dec - 29 Dec	LOT
26 Dec - 16 Jan	LOT
25 Dec - 17 Jan	LOT
14 Dec - 16 Dec	LOT
27 Dec - 17 Jan	LOT
16 Dec - 31 Dec	LOT
29 Dec - 12 Jan	LOT
20 Dec - 31 Dec	Qatar Airways

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 1125€

Return flights