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

Return flights

02 Dec - 05 Jan	Iberia
15 Dec - 03 Jan	Iberia
01 Dec - 11 Dec	Iberia
10 Dec - 27 Dec	Iberia
17 Dec - 01 Jan	Iberia
15 Dec - 31 Dec	Iberia
18 Dec - 05 Jan	Iberia
08 Dec - 24 Dec	Iberia
10 Dec - 26 Dec	Iberia
10 Dec - 30 Jan	Iberia
18 Dec - 04 Jan	Iberia
07 Dec - 26 Dec	Iberia
05 Dec - 23 Dec	Iberia
04 Dec - 18 Dec	Iberia
04 Dec - 22 Dec	Iberia
20 Dec - 03 Jan	Iberia
11 Dec - 02 Jan	Iberia
20 Dec - 30 Dec	Iberia
21 Dec - 03 Jan	Iberia
19 Dec - 02 Jan	GOL Linhas Aéreas

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 939€

Return flights