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

Return flights

23 Jan - 21 Feb	Wizz Air Malta
29 Jan - 15 Feb	Ryanair
26 Jan - 08 Feb	Ryanair
22 Jan - 04 Feb	Lufthansa
22 Jan - 12 Feb	Lufthansa
21 Jan - 18 Feb	Lufthansa
21 Jan - 16 Feb	Lufthansa
23 Jan - 08 Feb	Turkish Airlines
22 Jan - 07 Feb	Lufthansa
24 Jan - 21 Feb	Lufthansa
20 Jan - 30 Jan	Ryanair
11 Jan - 23 Jan	Iberia
09 Jan - 23 Jan	Iberia
21 Jan - 28 Jan	Finnair
01 Jan - 23 Jan	Iberia
15 Jan - 23 Jan	Iberia
16 Jan - 23 Jan	Iberia
19 Jan - 30 Jan	Ryanair
12 Jan - 23 Jan	Iberia
22 Jan - 27 Jan	Lufthansa

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 677€

Return flights