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

Return flights

05 Dec - 08 Dec	easyJet
09 Dec - 16 Dec	easyJet
30 Dec - 30 Jan	Lufthansa
13 Dec - 20 Dec	Ryanair
10 Dec - 31 Dec	Ryanair
01 Dec - 05 Jan	Ryanair
01 Dec - 02 Jan	easyJet
25 Dec - 17 Jan	Lufthansa
24 Dec - 17 Jan	easyJet
07 Dec - 10 Jan	SWISS
13 Dec - 23 Dec	TAP
25 Dec - 11 Jan	KLM
10 Dec - 22 Dec	Iberia
26 Dec - 02 Jan	easyJet
05 Dec - 02 Jan	Iberia
19 Dec - 03 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 1045€

Return flights