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

Return flights

25 Feb - 10 Mar	Avianca
24 Feb - 18 Mar	Avianca
18 Feb - 02 Mar	Avianca
18 Feb - 04 Mar	Avianca
03 Feb - 17 Feb	Avianca
09 Feb - 27 Feb	Avianca
25 Feb - 09 Mar	Avianca
10 Feb - 24 Feb	Avianca
09 Feb - 23 Feb	Avianca
09 Feb - 28 Feb	Avianca
18 Feb - 01 Mar	Avianca
15 Feb - 06 Mar	Avianca
06 Feb - 20 Feb	LATAM Airlines Group
06 Feb - 19 Feb	LATAM Airlines Group
02 Feb - 16 Feb	LATAM Airlines Group
20 Feb - 15 Mar	LATAM Airlines Group
02 Feb - 15 Feb	LATAM Airlines Group
02 Feb - 12 Feb	LATAM Airlines Group
01 Feb - 31 Mar	LATAM Airlines Group
20 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 883€

Return flights