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

Return flights

05 Dec - 07 Dec	United
08 Dec - 24 Dec	Lufthansa
04 Dec - 23 Jan	Flybondi
17 Dec - 01 Jan	Lufthansa
01 Dec - 01 Jan	Flybondi
11 Dec - 31 Dec	Aerolíneas Argentinas
16 Dec - 21 Jan	Lufthansa
17 Dec - 06 Jan	Lufthansa
06 Dec - 25 Dec	Air Canada
07 Dec - 26 Dec	Air Canada
15 Dec - 01 Jan	Lufthansa
19 Dec - 06 Jan	Lufthansa
12 Dec - 26 Dec	Lufthansa
13 Dec - 09 Jan	Lufthansa
01 Dec - 29 Dec	JetSmart
01 Dec - 05 Dec	JetSmart
18 Dec - 06 Jan	Lufthansa
05 Dec - 28 Jan	LATAM Airlines Group
14 Dec - 29 Dec	LATAM Airlines Group
02 Dec - 10 Dec	Iberia

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 $1159

Return flights