AirHint found the following cheapest return flights from Buenos Aires (EZE) to London (STN) in December 2025 (see full year).

Return flights

15 Dec - 10 Jan	Boliviana de Aviacion
14 Dec - 03 Jan	Sky Airline
18 Dec - 03 Jan	Boliviana de Aviacion
18 Dec - 01 Jan	Boliviana de Aviacion
01 Dec - 31 Dec	Iberia
02 Dec - 05 Jan	Iberia
04 Dec - 23 Jan	Iberia
01 Dec - 18 Dec	Aerolineas Argentinas
06 Dec - 23 Jan	Aerolineas Argentinas
10 Dec - 29 Dec	Iberia
02 Dec - 12 Dec	Iberia
15 Dec - 31 Dec	Iberia
10 Dec - 31 Jan	Air Europa
01 Dec - 19 Dec	Iberia
02 Dec - 22 Dec	Iberia
07 Dec - 26 Dec	Iberia
16 Dec - 02 Jan	Iberia
17 Dec - 02 Jan	Iberia
01 Dec - 15 Dec	Iberia
03 Dec - 10 Dec	Iberia

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

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 Buenos Aires to London in December from 1003€

Return flights