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

Return flights

03 Feb - 10 Feb	Ryanair
03 Feb - 23 Feb	Ryanair
27 Feb - 13 Mar	Ryanair
04 Feb - 05 Feb	Ryanair
16 Feb - 02 Mar	Ryanair
08 Feb - 02 Mar	Ryanair
11 Feb - 02 Mar	Ryanair
15 Feb - 23 Feb	Ryanair
11 Feb - 25 Feb	Ryanair
09 Feb - 02 Mar	Ryanair
23 Feb - 05 Mar	Ryanair
25 Feb - 04 Mar	Ryanair
26 Feb - 05 Mar	Ryanair
04 Feb - 28 Feb	Ryanair
24 Feb - 18 Mar	Ryanair
03 Feb - 19 Feb	Ryanair
24 Feb - 11 Mar	Ryanair
16 Feb - 19 Feb	Ryanair
21 Feb - 28 Feb	Ryanair
07 Feb - 23 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 919€

Return flights