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

Return flights

02 Dec - 06 Dec	Ryanair
03 Dec - 10 Dec	Air France
05 Dec - 07 Dec	Air France
01 Dec - 07 Dec	Lufthansa
01 Dec - 04 Dec	SWISS
01 Dec - 09 Dec	Lufthansa
06 Dec - 07 Dec	Jet2
03 Dec - 17 Dec	SWISS
10 Dec - 17 Dec	SWISS
29 Dec - 14 Jan	Ryanair
30 Dec - 19 Jan	Ryanair
02 Dec - 19 Dec	Ryanair
28 Dec - 16 Jan	Ryanair
28 Dec - 15 Jan	Ryanair
28 Dec - 13 Jan	Ryanair
28 Dec - 12 Jan	Ryanair
31 Dec - 19 Jan	Lufthansa
31 Dec - 20 Jan	Lufthansa
28 Dec - 11 Jan	Ryanair
22 Dec - 18 Jan	Ryanair

Also check the deals for one-way flights from Manchester 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 Manchester to Buenos Aires in December from 963€

Return flights