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

Return flights

01 Jan - 09 Feb	Iberia
19 Jan - 30 Jan	ITA Airways
12 Jan - 02 Feb	ITA Airways
27 Jan - 16 Feb	Iberia
05 Jan - 28 Jan	British Airways
02 Jan - 02 Feb	Iberia
23 Jan - 07 Feb	Iberia
06 Jan - 28 Jan	British Airways
16 Jan - 01 Feb	ITA Airways
18 Jan - 21 Feb	Delta
18 Jan - 22 Feb	Delta
11 Jan - 24 Jan	Delta
10 Jan - 24 Jan	Delta
11 Jan - 25 Jan	Delta
11 Jan - 01 Feb	Delta
29 Jan - 17 Feb	Iberia
20 Jan - 28 Jan	SWISS
08 Jan - 30 Jan	Iberia
21 Jan - 24 Jan	Delta
21 Jan - 26 Jan	Delta

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 1019€

Return flights