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

Return flights

09 Feb - 25 Mar	Avianca
09 Feb - 02 Mar	Avianca
09 Feb - 01 Mar	Avianca
22 Feb - 12 Mar	Ryanair
22 Feb - 15 Mar	Ryanair
09 Feb - 17 Feb	Avianca
23 Feb - 26 Feb	Avianca
22 Feb - 03 Mar	Ryanair
26 Feb - 14 Mar	TAP
23 Feb - 15 Mar	Avianca
28 Feb - 19 Mar	Ryanair
28 Feb - 15 Mar	Ryanair
18 Feb - 25 Feb	Avianca
18 Feb - 26 Feb	Avianca
09 Feb - 26 Feb	Avianca
17 Feb - 27 Feb	Avianca
17 Feb - 26 Feb	Avianca
18 Feb - 27 Feb	Avianca
20 Feb - 27 Feb	Wizz Air Malta
11 Feb - 25 Feb	Wizz Air Malta

Also check the deals for one-way flights from London to Buenos Aires in February.

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 February from 845€

Return flights