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

Return flights

26 Jan - 09 Feb	ITA Airways
19 Jan - 10 Feb	ITA Airways
22 Jan - 06 Feb	ITA Airways
07 Jan - 25 Feb	British Airways
27 Jan - 07 Feb	SWISS
24 Jan - 31 Jan	Delta
27 Jan - 15 Feb	Delta
13 Jan - 19 Jan	Delta
24 Jan - 15 Feb	Delta
05 Jan - 11 Feb	ITA Airways
13 Jan - 23 Feb	ITA Airways
27 Jan - 16 Feb	ITA Airways
05 Jan - 28 Jan	ITA Airways
01 Jan - 28 Jan	ITA Airways
15 Jan - 24 Jan	Delta
07 Jan - 26 Jan	Iberia
07 Jan - 22 Jan	Iberia
09 Jan - 22 Jan	Iberia
23 Jan - 30 Jan	Iberia
22 Jan - 29 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 $1148

Return flights