Cheapest one-way flights from London to Buenos Aires in December from 498€

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

One-Way flights

31 Dec Vueling Airlines
06 Dec Norse Atlantic Airways (UK)
05 Dec Norse Atlantic Airways (UK)
30 Dec Vueling Airlines
04 Dec Norse Atlantic Airways (UK)
29 Dec Ryanair
09 Dec easyJet
08 Dec Norse Atlantic Airways (UK)
01 Dec Vueling Airlines
02 Dec easyJet

Also check the deals for return flights from London to Buenos Aires in December.

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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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