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

Return flights

23 Jan - 28 Feb	Wizz Air Malta
13 Jan - 28 Feb	Wizz Air Malta
26 Jan - 28 Feb	Ryanair
30 Jan - 28 Feb	Wizz Air Malta
15 Jan - 07 Feb	Wizz Air Malta
31 Jan - 18 Feb	Wizz Air Malta
27 Jan - 12 Feb	easyJet
10 Jan - 29 Jan	easyJet
14 Jan - 19 Feb	easyJet
28 Jan - 04 Feb	Wizz Air Malta
16 Jan - 11 Feb	Ryanair
06 Jan - 27 Jan	easyJet
13 Jan - 20 Jan	Wizz Air
06 Jan - 25 Jan	easyJet
14 Jan - 31 Jan	easyJet
10 Jan - 25 Jan	easyJet
15 Jan - 24 Jan	easyJet
02 Jan - 23 Jan	Ryanair
08 Jan - 31 Jan	easyJet
05 Jan - 20 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 $1188

Return flights