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

Return flights

01 Dec - 09 Dec	Wizz Air
02 Dec - 12 Dec	LOT
31 Dec - 26 Jan	Wizz Air
01 Dec - 10 Dec	Ryanair
01 Dec - 14 Dec	Ryanair
06 Dec - 22 Dec	Ryanair
29 Dec - 14 Jan	Wizz Air
12 Dec - 19 Dec	Wizz Air
03 Dec - 21 Dec	Wizz Air
11 Dec - 30 Dec	Wizz Air Malta
25 Dec - 13 Jan	Wizz Air
26 Dec - 16 Jan	LOT
14 Dec - 28 Dec	Ryanair
26 Dec - 12 Jan	LOT
31 Dec - 07 Jan	Wizz Air
12 Dec - 09 Jan	Ryanair
28 Dec - 06 Jan	Ryanair
19 Dec - 12 Jan	Wizz Air
16 Dec - 09 Jan	Ethiopian Airlines
19 Dec - 26 Dec	Wizz Air

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 1018€

Return flights