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

Return flights

23 Feb - 02 Mar	Ryanair
23 Feb - 04 Mar	Ryanair
23 Feb - 11 Mar	Ryanair
19 Feb - 05 Mar	Ryanair
25 Feb - 11 Mar	Ryanair
23 Feb - 09 Mar	Ryanair
23 Feb - 08 Mar	Ryanair
27 Feb - 13 Mar	Ryanair
19 Feb - 08 Mar	Ryanair
18 Feb - 12 Mar	Ryanair
01 Feb - 24 Feb	Ryanair
01 Feb - 10 Feb	Ryanair
03 Feb - 10 Feb	Ryanair
01 Feb - 15 Feb	Ryanair
03 Feb - 20 Feb	Ryanair
03 Feb - 09 Feb	Ryanair
11 Feb - 24 Feb	Ryanair
06 Feb - 16 Feb	Ryanair
03 Feb - 25 Feb	Ryanair
02 Feb - 10 Feb	Ryanair

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 879€

Return flights