Cheapest one-way flights from London to Buenos Aires in December from 592€

AirHint found the following cheapest one-way flights from London (LCY) to Buenos Aires (EZE) in December 2025 (see full year).

One-Way flights

01 Dec British Airways
30 Dec Iberia
06 Dec ITA Airways
08 Dec ITA Airways
29 Dec Aerolineas Argentinas
12 Dec British Airways
07 Dec ITA Airways
28 Dec Aerolineas Argentinas
26 Dec Aerolineas Argentinas
27 Dec ITA Airways

Also check the deals for return 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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