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

Return flights

14 Jan - 27 Jan	Vueling Airlines
22 Jan - 31 Jan	TAP
22 Jan - 11 Feb	Vueling Airlines
11 Jan - 11 Feb	Vueling Airlines
15 Jan - 04 Feb	Vueling Airlines
24 Jan - 11 Feb	Vueling Airlines
18 Jan - 30 Jan	Vueling Airlines
30 Jan - 15 Feb	Vueling Airlines
07 Jan - 07 Feb	Vueling Airlines
11 Jan - 08 Feb	Vueling Airlines
01 Jan - 15 Jan	LATAM Airlines Group
21 Jan - 28 Jan	Vueling Airlines
09 Jan - 25 Jan	Vueling Airlines
13 Jan - 27 Jan	Vueling Airlines
04 Jan - 09 Feb	Vueling Airlines
14 Jan - 02 Feb	Vueling Airlines
18 Jan - 25 Jan	Vueling Airlines
05 Jan - 08 Feb	Vueling Airlines
10 Jan - 24 Jan	Vueling Airlines
09 Jan - 27 Jan	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 $1184

Return flights