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

Return flights

09 Feb - 05 Mar	Avianca
08 Feb - 20 Feb	Avianca
04 Feb - 18 Feb	Avianca
26 Feb - 11 Mar	Avianca
25 Feb - 19 Mar	Avianca
28 Feb - 14 Mar	Ryanair
25 Feb - 15 Mar	Air Europa
28 Feb - 20 Mar	Ryanair
12 Feb - 28 Feb	Air Europa
01 Feb - 07 Mar	Avianca
02 Feb - 25 Feb	LATAM Airlines Group
05 Feb - 26 Feb	Air Canada
02 Feb - 02 Mar	Air Canada
07 Feb - 28 Feb	LATAM Airlines Group
06 Feb - 28 Feb	LATAM Airlines Group
15 Feb - 27 Feb	Avianca
06 Feb - 22 Feb	LATAM Airlines Group
21 Feb - 11 Mar	LATAM Airlines Group
05 Feb - 12 Feb	LATAM Airlines Group
11 Feb - 01 Mar	LATAM Airlines Group

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 887€

Return flights