AirHint found the following cheapest return flights from Buenos Aires (AEP) to London (LGW) in December 2026 (see full year).

Return flights

10 Dec - 26 Dec	LATAM Airlines Group
08 Dec - 29 Dec	Aerolíneas Argentinas
16 Dec - 31 Dec	Aerolíneas Argentinas
08 Dec - 25 Dec	GOL Linhas Aéreas
08 Dec - 24 Dec	GOL Linhas Aéreas
17 Dec - 27 Dec	Aerolíneas Argentinas
13 Dec - 28 Dec	Aerolíneas Argentinas
07 Dec - 27 Dec	GOL Linhas Aéreas
12 Dec - 27 Dec	GOL Linhas Aéreas
08 Dec - 23 Dec	GOL Linhas Aéreas
16 Dec - 02 Jan	Aerolíneas Argentinas

Also check the deals for one-way flights from Buenos Aires to London in December.

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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Cheapest return flights from Buenos Aires to London in December from 1019€

Return flights