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

Return flights

28 Jan - 28 Feb	ITA Airways
21 Jan - 08 Feb	ITA Airways
27 Jan - 10 Feb	British Airways
12 Jan - 19 Jan	ITA Airways
27 Jan - 16 Feb	British Airways
20 Jan - 27 Jan	ITA Airways
01 Jan - 27 Jan	ITA Airways
19 Jan - 04 Feb	ITA Airways
29 Jan - 17 Feb	British Airways
20 Jan - 03 Feb	ITA Airways
21 Jan - 18 Feb	KLM
21 Jan - 26 Feb	ITA Airways
16 Jan - 31 Jan	Delta
12 Jan - 31 Jan	Delta
18 Jan - 25 Jan	Delta
24 Jan - 31 Jan	Delta
22 Jan - 28 Feb	Delta
12 Jan - 25 Jan	Delta
08 Jan - 22 Jan	Luxair
05 Jan - 28 Jan	ITA Airways

Also check the deals for one-way flights from London to Buenos Aires in January.

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 January from 983€

Return flights