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

Return flights

30 Jan - 08 Feb	Wizz Air Malta
04 Jan - 13 Jan	Ryanair
18 Jan - 27 Jan	easyJet
11 Jan - 16 Feb	easyJet
05 Jan - 03 Feb	easyJet
28 Jan - 29 Jan	easyJet
05 Jan - 31 Jan	easyJet
26 Jan - 10 Feb	Ryanair
30 Jan - 14 Feb	Ryanair
18 Jan - 30 Jan	easyJet
30 Jan - 15 Feb	Ryanair
01 Jan - 17 Jan	Wizz Air UK
04 Jan - 20 Jan	easyJet
02 Jan - 20 Jan	easyJet
16 Jan - 30 Jan	easyJet
12 Jan - 16 Feb	Ryanair
23 Jan - 20 Feb	easyJet
26 Jan - 02 Feb	Ryanair
02 Jan - 06 Feb	Ryanair
01 Jan - 15 Jan	easyJet

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 $1325

Return flights