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

Return flights

28 Jan - 08 Feb	Wizz Air
23 Jan - 06 Feb	easyJet
27 Jan - 16 Feb	easyJet
23 Jan - 22 Feb	easyJet
17 Jan - 08 Feb	Ryanair
27 Jan - 08 Feb	easyJet
06 Jan - 27 Jan	easyJet
13 Jan - 04 Feb	Wizz Air Malta
24 Jan - 07 Feb	Ryanair
19 Jan - 09 Feb	easyJet
31 Jan - 08 Feb	Wizz Air Malta
09 Jan - 24 Jan	easyJet
19 Jan - 28 Jan	Wizz Air Malta
22 Jan - 29 Jan	Wizz Air Malta
21 Jan - 28 Jan	Wizz Air Malta
06 Jan - 17 Jan	easyJet
19 Jan - 31 Jan	Wizz Air Malta
01 Jan - 25 Jan	Wizz Air Malta
19 Jan - 25 Jan	Wizz Air Malta
19 Jan - 22 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 1085€

Return flights