Cheapest return flights from London to Buenos Aires in December from 862€

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

07 Dec - 19 Jan Air Canada
02 Dec - 09 Dec Air Canada
04 Dec - 26 Jan Air Canada
01 Dec - 14 Dec Iberia
09 Dec - 24 Dec Iberia
04 Dec - 15 Dec Air Europa
10 Dec - 16 Dec Iberia
30 Dec - 20 Jan Iberia
04 Dec - 14 Dec Air Europa
26 Dec - 24 Jan Iberia
26 Dec - 30 Jan Iberia
27 Dec - 20 Jan Iberia
09 Dec - 21 Dec Iberia
12 Dec - 19 Dec Iberia
27 Dec - 19 Jan Iberia
11 Dec - 21 Dec British Airways
09 Dec - 22 Dec Air Europa
09 Dec - 16 Jan Iberia
27 Dec - 14 Jan American Airlines
13 Dec - 09 Jan American Airlines

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