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

Return flights

16 Jan - 01 Feb	Delta
24 Jan - 21 Feb	Delta
24 Jan - 07 Feb	Delta
16 Jan - 02 Feb	Delta
20 Jan - 04 Feb	SWISS
04 Jan - 26 Feb	British Airways
09 Jan - 07 Feb	SWISS
16 Jan - 20 Jan	Delta
15 Jan - 24 Jan	ITA Airways
05 Jan - 24 Feb	British Airways
26 Jan - 09 Feb	British Airways
30 Jan - 08 Feb	ITA Airways
05 Jan - 26 Jan	British Airways
17 Jan - 26 Jan	ITA Airways
16 Jan - 25 Jan	SWISS
08 Jan - 20 Jan	Delta
08 Jan - 24 Jan	Delta
01 Jan - 11 Jan	ITA Airways
03 Jan - 13 Jan	ITA Airways
02 Jan - 11 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 $1292

Return flights