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

Return flights

23 Jan - 10 Feb	Ryanair
21 Jan - 28 Jan	Ryanair
21 Jan - 18 Feb	Ryanair
21 Jan - 02 Feb	Ryanair
20 Jan - 24 Feb	easyJet
17 Jan - 22 Feb	Ryanair
17 Jan - 28 Jan	Ryanair
26 Jan - 05 Feb	Vueling Airlines
12 Jan - 30 Jan	Wizz Air UK
06 Jan - 06 Feb	easyJet
26 Jan - 15 Feb	Vueling Airlines
17 Jan - 08 Feb	Ryanair
20 Jan - 03 Feb	easyJet
05 Jan - 25 Jan	easyJet
07 Jan - 28 Jan	easyJet
05 Jan - 28 Jan	easyJet
13 Jan - 28 Jan	easyJet
15 Jan - 28 Jan	TAP
17 Jan - 24 Jan	Ryanair
25 Jan - 31 Jan	Air Europa

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 $1202

Return flights