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

Return flights

25 Feb - 11 Mar	British Airways
17 Feb - 17 Mar	KLM
20 Feb - 07 Mar	SWISS
18 Feb - 04 Mar	British Airways
04 Feb - 23 Feb	Iberia
19 Feb - 24 Feb	British Airways
03 Feb - 10 Feb	ITA Airways
16 Feb - 03 Mar	ITA Airways
28 Feb - 25 Mar	KLM
06 Feb - 11 Mar	SWISS
04 Feb - 17 Feb	British Airways
19 Feb - 26 Feb	British Airways
09 Feb - 16 Feb	KLM
24 Feb - 08 Mar	KLM
02 Feb - 17 Feb	British Airways
12 Feb - 16 Feb	KLM
20 Feb - 27 Feb	Iberia
21 Feb - 09 Mar	KLM
27 Feb - 12 Mar	KLM
03 Feb - 17 Feb	ITA Airways

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

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 February from $1378

Return flights