Cheapest one-way flights from London to Buenos Aires in December from 721€

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

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

One-Way flights

30 Dec KLM
25 Dec ITA Airways
15 Dec ITA Airways
11 Dec ITA Airways
17 Dec ITA Airways
23 Dec ITA Airways
31 Dec ITA Airways
21 Dec ITA Airways
20 Dec ITA Airways
18 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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