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

Return flights

04 Dec - 23 Jan	Iberia
09 Dec - 30 Jan	Iberia
17 Dec - 06 Jan	Iberia
09 Dec - 02 Jan	Iberia
11 Dec - 03 Jan	Iberia
10 Dec - 02 Jan	Iberia
13 Dec - 31 Dec	Iberia
08 Dec - 01 Jan	Iberia
16 Dec - 04 Jan	Iberia
23 Dec - 06 Jan	Iberia
22 Dec - 06 Jan	Iberia
01 Dec - 15 Dec	Iberia
11 Dec - 29 Dec	Iberia
11 Dec - 22 Dec	Iberia
16 Dec - 29 Dec	Iberia
16 Dec - 28 Dec	Iberia
14 Dec - 24 Dec	Iberia
18 Dec - 29 Dec	Iberia
04 Dec - 22 Dec	Iberia
16 Dec - 27 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 $1136

Return flights