Cheapest return flights from Buenos Aires to London in December from $1236

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

Return flights

02 Dec - 05 Dec Aerolíneas Argentinas
14 Dec - 01 Jan LATAM Airlines Group
10 Dec - 24 Jan LATAM Airlines Group
12 Dec - 09 Jan LATAM Airlines Group
05 Dec - 28 Jan GOL Linhas Aéreas
13 Dec - 10 Jan LATAM Airlines Group
09 Dec - 19 Jan LATAM Airlines Group
01 Dec - 08 Dec Flybondi
04 Dec - 23 Jan Aerolíneas Argentinas
12 Dec - 25 Dec LATAM Airlines Group
14 Dec - 14 Jan Flybondi
15 Dec - 10 Jan LATAM Airlines Group
17 Dec - 03 Jan Flybondi
02 Dec - 09 Dec Aerolíneas Argentinas
01 Dec - 29 Dec Avianca
07 Dec - 26 Dec GOL Linhas Aéreas
11 Dec - 29 Dec Aerolíneas Argentinas
15 Dec - 31 Dec Aerolíneas Argentinas
01 Dec - 07 Dec LATAM Airlines Group
07 Dec - 25 Dec Aerolíneas Argentinas

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