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

Return flights

01 Dec - 11 Dec	Ryanair
01 Dec - 08 Dec	Ryanair
04 Dec - 10 Dec	Ryanair
05 Dec - 11 Dec	Wizz Air Malta
01 Dec - 07 Dec	Ryanair
08 Dec - 21 Jan	Ryanair
31 Dec - 26 Jan	Ryanair
03 Dec - 23 Jan	Scandinavian Airlines
30 Dec - 27 Jan	Ryanair
15 Dec - 30 Jan	Wizz Air
02 Dec - 27 Jan	Ryanair
31 Dec - 28 Jan	Ryanair
02 Dec - 26 Jan	Ryanair
07 Dec - 16 Dec	Scandinavian Airlines
31 Dec - 29 Jan	Wizz Air
03 Dec - 24 Jan	Scandinavian Airlines
11 Dec - 17 Dec	Ryanair
03 Dec - 26 Dec	Scandinavian Airlines
06 Dec - 26 Dec	Ryanair
11 Dec - 19 Dec	Ryanair

Also check the deals for one-way flights from Copenhagen 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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from Copenhagen to Buenos Aires in December from 886€

Return flights