Cheapest return flights from London to Buenos Aires in December from $1695

Best time to book flights for London (LCY) to Buenos Aires (EZE) flights at AirHint

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

Return flights

30 Dec - 14 Jan SWISS
13 Dec - 27 Dec ITA Airways
08 Dec - 18 Dec ITA Airways
06 Dec - 13 Jan ITA Airways
14 Dec - 21 Dec ITA Airways
10 Dec - 25 Dec ITA Airways
05 Dec - 31 Jan Delta
26 Dec - 17 Jan SWISS
24 Dec - 30 Jan ITA Airways
11 Dec - 27 Dec ITA Airways
15 Dec - 24 Dec ITA Airways
18 Dec - 31 Dec ITA Airways
08 Dec - 26 Dec ITA Airways
23 Dec - 30 Jan ITA Airways
12 Dec - 07 Jan SWISS
24 Dec - 24 Jan KLM
24 Dec - 13 Jan ITA Airways
18 Dec - 30 Dec ITA Airways
16 Dec - 07 Jan ITA Airways
22 Dec - 29 Dec ITA Airways

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

Skyscanner

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires