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

Return flights

20 Jan - 28 Feb	Air Europa
23 Jan - 09 Feb	Vueling Airlines
22 Jan - 09 Feb	Vueling Airlines
27 Jan - 24 Feb	LATAM Airlines Group
20 Jan - 17 Feb	LATAM Airlines Group
13 Jan - 17 Feb	LATAM Airlines Group
18 Jan - 06 Feb	Air Europa
17 Jan - 06 Feb	Air Europa
17 Jan - 08 Feb	Air Europa
12 Jan - 17 Feb	TAP
15 Jan - 27 Jan	Wizz Air UK
20 Jan - 30 Jan	Air Europa
15 Jan - 22 Jan	Wizz Air UK
10 Jan - 24 Jan	Wizz Air UK
08 Jan - 29 Jan	Wizz Air UK
01 Jan - 22 Jan	Wizz Air UK
24 Jan - 31 Jan	Vueling Airlines
17 Jan - 31 Jan	Wizz Air UK
09 Jan - 26 Jan	Vueling Airlines
08 Jan - 15 Jan	Wizz Air UK

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 957€

Return flights