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

Best time to book flights for London (LGW) to Buenos Aires (AEP) flights at AirHint

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

One-Way flights

07 Dec British Airways
02 Dec easyJet
04 Dec TAP
13 Dec easyJet
18 Dec easyJet
03 Dec easyJet
23 Dec Wizz Air Malta
30 Dec Wizz Air Malta
29 Dec easyJet
12 Dec TAP

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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