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

Return flights

01 Dec - 14 Dec	Turkish Airlines
01 Dec - 08 Dec	Turkish Airlines
08 Dec - 22 Dec	Turkish Airlines
03 Dec - 15 Dec	Turkish Airlines
02 Dec - 09 Dec	Turkish Airlines
08 Dec - 15 Dec	Turkish Airlines
01 Dec - 13 Dec	Turkish Airlines
03 Dec - 18 Dec	Turkish Airlines
04 Dec - 17 Dec	Turkish Airlines
01 Dec - 10 Dec	Turkish Airlines
11 Dec - 01 Jan	Turkish Airlines
24 Dec - 05 Jan	Turkish Airlines
26 Dec - 06 Jan	Turkish Airlines
14 Dec - 04 Jan	Turkish Airlines
12 Dec - 04 Jan	Turkish Airlines
16 Dec - 01 Jan	Turkish Airlines
18 Dec - 01 Jan	Turkish Airlines
19 Dec - 03 Jan	Turkish Airlines
02 Dec - 01 Jan	Wizz Air UK
28 Dec - 07 Jan	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 853€

Return flights