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

Return flights

21 Jan - 08 Feb	Ryanair
21 Jan - 18 Feb	Ryanair
27 Jan - 16 Feb	Wizz Air Malta
27 Jan - 05 Feb	easyJet
17 Jan - 08 Feb	Wizz Air Malta
22 Jan - 29 Jan	Wizz Air Malta
26 Jan - 09 Feb	easyJet
30 Jan - 08 Feb	Wizz Air Malta
22 Jan - 08 Feb	Wizz Air Malta
08 Jan - 08 Feb	easyJet
13 Jan - 31 Jan	easyJet
27 Jan - 24 Feb	easyJet
17 Jan - 31 Jan	Wizz Air Malta
19 Jan - 31 Jan	easyJet
06 Jan - 24 Jan	easyJet
19 Jan - 26 Jan	easyJet
23 Jan - 29 Jan	easyJet
19 Jan - 25 Jan	easyJet
14 Jan - 31 Jan	Wizz Air Malta
09 Jan - 24 Jan	Wizz Air Malta

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 $1117

Return flights