Cheapest return flights from London to Buenos Aires in December from $1036

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

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

Return flights

08 Dec - 15 Dec Air Europa
07 Dec - 18 Jan Air Canada
06 Dec - 15 Dec Air Europa
01 Dec - 15 Dec Air Europa
07 Dec - 14 Dec Air Europa
07 Dec - 10 Jan Delta
07 Dec - 11 Jan Delta
30 Dec - 17 Jan Delta
04 Dec - 20 Dec British Airways
12 Dec - 23 Jan Iberia
05 Dec - 20 Dec British Airways
08 Dec - 20 Dec British Airways
08 Dec - 27 Dec Air Europa
28 Dec - 13 Jan Delta
29 Dec - 17 Jan Lufthansa
08 Dec - 29 Dec Lufthansa
04 Dec - 23 Dec United
24 Dec - 17 Jan Iberia
23 Dec - 14 Jan Delta
23 Dec - 31 Jan Delta

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.

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