Cheapest return flights from London to Buenos Aires in December from 825€

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 - 09 Dec Air Canada
03 Dec - 10 Dec Air Canada
01 Dec - 08 Dec Air Europa
01 Dec - 07 Dec Air Europa
05 Dec - 18 Dec Air Europa
04 Dec - 18 Dec Air Europa
05 Dec - 19 Dec Air Europa
01 Dec - 14 Dec Air Europa
11 Dec - 18 Dec Air Europa
05 Dec - 12 Dec Air Europa
27 Dec - 23 Jan Iberia
06 Dec - 17 Jan Air Canada
31 Dec - 17 Jan Lufthansa
26 Dec - 17 Jan Iberia
25 Dec - 17 Jan Iberia
12 Dec - 12 Jan Air Europa
14 Dec - 18 Jan LATAM Airlines Group
19 Dec - 10 Jan Turkish Airlines
22 Dec - 23 Jan Iberia
15 Dec - 19 Jan Air Canada

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

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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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