Cheapest return flights from London to Buenos Aires in December from $970

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

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

Return flights

04 Dec - 14 Jan Air Canada
02 Dec - 10 Dec Air Canada
02 Dec - 13 Dec Air Canada
03 Dec - 13 Dec Air Canada
29 Dec - 29 Jan Iberia
05 Dec - 10 Dec Air Canada
08 Dec - 14 Dec Iberia
03 Dec - 14 Dec Iberia
03 Dec - 12 Dec Iberia
04 Dec - 14 Dec Air Canada
02 Dec - 16 Dec Iberia
30 Dec - 22 Jan Delta
02 Dec - 20 Dec British Airways
15 Dec - 15 Jan Air Canada
30 Dec - 18 Jan Iberia
28 Dec - 11 Jan Delta
30 Dec - 13 Jan Delta
29 Dec - 12 Jan Delta
26 Dec - 16 Jan Iberia
30 Dec - 10 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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