Cheapest one-way flights from London to Buenos Aires in December from 509€

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

One-Way flights

06 Dec Wizz Air UK
11 Dec Wizz Air UK
03 Dec Vueling Airlines
30 Dec Wizz Air Malta
14 Dec Wizz Air UK
13 Dec Wizz Air UK
15 Dec Wizz Air UK
24 Dec Vueling Airlines
26 Dec Vueling Airlines
28 Dec easyJet

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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