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

Return flights

27 Jan - 05 Feb	Avianca
27 Jan - 16 Feb	Avianca
27 Jan - 08 Feb	Avianca
15 Jan - 25 Jan	Ryanair
28 Jan - 12 Feb	Avianca
28 Jan - 15 Feb	Avianca
28 Jan - 01 Feb	Avianca
21 Jan - 18 Feb	Lufthansa
20 Jan - 05 Feb	Turkish Airlines
26 Jan - 04 Feb	United
19 Jan - 05 Feb	Turkish Airlines
21 Jan - 28 Jan	Finnair
19 Jan - 26 Jan	Finnair
15 Jan - 26 Jan	Finnair
15 Jan - 28 Jan	Air Canada
14 Jan - 28 Jan	Ryanair
19 Jan - 30 Jan	Ryanair
03 Jan - 27 Jan	Vueling Airlines
15 Jan - 22 Jan	Finnair
17 Jan - 29 Jan	Finnair

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 795€

Return flights