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

Return flights

19 Jan - 09 Feb	Air Europa
15 Jan - 15 Feb	Vueling Airlines
15 Jan - 02 Feb	Vueling Airlines
10 Jan - 10 Feb	Wizz Air UK
15 Jan - 12 Feb	Vueling Airlines
22 Jan - 05 Feb	Vueling Airlines
21 Jan - 12 Feb	Vueling Airlines
01 Jan - 19 Jan	Wizz Air UK
22 Jan - 13 Feb	LATAM Airlines Group
08 Jan - 22 Jan	Vueling Airlines
24 Jan - 08 Feb	Vueling Airlines
29 Jan - 17 Feb	LATAM Airlines Group
08 Jan - 29 Jan	Vueling Airlines
13 Jan - 29 Jan	LATAM Airlines Group
09 Jan - 18 Jan	Vueling Airlines
05 Jan - 19 Jan	Vueling Airlines
19 Jan - 28 Jan	TAP
21 Jan - 29 Jan	Vueling Airlines
11 Jan - 25 Jan	LATAM Airlines Group
22 Jan - 29 Jan	LATAM Airlines Group

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from London to Buenos Aires in January from 1019€

Return flights