AirHint found the following cheapest return flights from Buenos Aires (EZE) to London (LHR) in December 2025 (see full year).

Return flights

22 Dec - 01 Jan	Ethiopian Airlines
02 Dec - 08 Dec	United
11 Dec - 02 Jan	Lufthansa
04 Dec - 23 Jan	Flybondi
11 Dec - 13 Jan	Lufthansa
12 Dec - 08 Jan	Lufthansa
12 Dec - 03 Jan	Lufthansa
09 Dec - 09 Jan	Lufthansa
15 Dec - 31 Dec	Air France
16 Dec - 31 Dec	LATAM Airlines Group
12 Dec - 09 Jan	Lufthansa
02 Dec - 04 Dec	Flybondi
10 Dec - 20 Jan	Lufthansa
15 Dec - 02 Jan	Iberia
08 Dec - 25 Dec	Flybondi
08 Dec - 26 Dec	Flybondi
09 Dec - 23 Dec	LATAM Airlines Group
02 Dec - 15 Dec	LATAM Airlines Group
01 Dec - 08 Dec	Lufthansa
01 Dec - 25 Dec	Flybondi

Also check the deals for one-way flights from Buenos Aires to London 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 Buenos Aires to London in December from 915€

Return flights