AirHint found the following cheapest return flights from London (LTN) to Buenos Aires (EZE) in December 2026 (see full year).

Return flights

07 Dec - 13 Dec	Wizz Air UK
02 Dec - 06 Dec	Wizz Air Malta
04 Dec - 10 Jan	Wizz Air UK
01 Dec - 14 Dec	Wizz Air UK
31 Dec - 14 Jan	Wizz Air Malta
23 Dec - 14 Jan	Wizz Air Malta
15 Dec - 11 Jan	Wizz Air UK
15 Dec - 10 Jan	Wizz Air Malta
15 Dec - 12 Jan	Wizz Air Malta
02 Dec - 18 Dec	Wizz Air UK
04 Dec - 05 Jan	Wizz Air UK
24 Dec - 10 Jan	Wizz Air Malta
17 Dec - 20 Dec	Wizz Air Malta
16 Dec - 31 Dec	Wizz Air Malta
09 Dec - 27 Jan	Wizz Air UK
02 Dec - 16 Dec	easyJet
17 Dec - 19 Dec	Wizz Air Malta
18 Dec - 09 Jan	Wizz Air UK
19 Dec - 31 Dec	Wizz Air UK
11 Dec - 31 Dec	easyJet

Also check the deals for one-way flights from London 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 London to Buenos Aires in December from 1093€

Return flights