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
01 Dec - 11 Dec	Wizz Air
01 Dec - 10 Dec	Ryanair
01 Dec - 08 Dec	Ryanair
03 Dec - 10 Dec	Wizz Air
01 Dec - 12 Dec	Wizz Air
01 Dec - 15 Dec	Wizz Air
05 Dec - 15 Dec	Ryanair
01 Dec - 14 Dec	Wizz Air
03 Dec - 15 Dec	Wizz Air
31 Dec - 22 Jan	Ryanair
24 Dec - 17 Jan	Wizz Air
24 Dec - 18 Jan	Wizz Air
27 Dec - 16 Jan	Ryanair
27 Dec - 17 Jan	Ryanair
28 Dec - 12 Jan	Ryanair
28 Dec - 13 Jan	Wizz Air
16 Dec - 13 Jan	Wizz Air
27 Dec - 12 Jan	Wizz Air Malta
19 Dec - 13 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 898€

Return flights