Cheapest return flights from London to Buenos Aires in December from $989

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

02 Dec - 12 Dec Air Europa
01 Dec - 07 Dec Air Europa
01 Dec - 15 Dec Air Europa
01 Dec - 16 Dec Air Europa
02 Dec - 19 Dec Air Europa
30 Dec - 27 Jan British Airways
03 Dec - 17 Jan Air Canada
06 Dec - 20 Dec British Airways
07 Dec - 10 Jan Delta
27 Dec - 31 Jan Iberia
29 Dec - 10 Jan Delta
08 Dec - 10 Jan Delta
05 Dec - 15 Dec Vueling Airlines
16 Dec - 15 Jan Aeromexico
10 Dec - 20 Dec Iberia
10 Dec - 26 Dec Delta
17 Dec - 28 Jan Iberia
24 Dec - 10 Jan Delta
24 Dec - 08 Jan Delta
13 Dec - 20 Dec Iberia

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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