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

Return flights

27 Jan - 17 Feb	ITA Airways
27 Jan - 10 Feb	ITA Airways
22 Jan - 11 Feb	ITA Airways
21 Jan - 11 Feb	ITA Airways
27 Jan - 24 Feb	ITA Airways
05 Jan - 10 Feb	ITA Airways
19 Jan - 18 Feb	ITA Airways
28 Jan - 11 Feb	ITA Airways
20 Jan - 20 Feb	ITA Airways
21 Jan - 18 Feb	ITA Airways
07 Jan - 28 Jan	Lufthansa
23 Jan - 27 Jan	British Airways
20 Jan - 31 Jan	ITA Airways
19 Jan - 31 Jan	Delta
16 Jan - 31 Jan	Delta
15 Jan - 31 Jan	Delta
15 Jan - 25 Jan	Delta
12 Jan - 18 Jan	Delta
12 Jan - 25 Jan	Delta
13 Jan - 25 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 924€

Return flights