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

Return flights

05 Jan - 17 Feb	Turkish Airlines
12 Jan - 28 Jan	Iberia
14 Jan - 28 Jan	Iberia
20 Jan - 04 Feb	Iberia
24 Jan - 14 Feb	British Airways
13 Jan - 28 Jan	Iberia
20 Jan - 28 Jan	Iberia
14 Jan - 27 Jan	Iberia
27 Jan - 24 Feb	Iberia
19 Jan - 29 Jan	Iberia
13 Jan - 27 Jan	Iberia
19 Jan - 26 Jan	Iberia
20 Jan - 06 Feb	Vueling Airlines
06 Jan - 30 Jan	Wizz Air UK
01 Jan - 22 Jan	Iberia
23 Jan - 04 Feb	Vueling Airlines
30 Jan - 13 Feb	Vueling Airlines
17 Jan - 03 Feb	Vueling Airlines
27 Jan - 13 Feb	Vueling Airlines
22 Jan - 04 Feb	Vueling Airlines

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 856€

Return flights