Cheapest return flights from Buenos Aires to London in December from $1375

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

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

Return flights

29 Dec - 04 Jan LATAM Airlines Group
18 Dec - 04 Jan Avianca
23 Dec - 06 Jan Avianca
16 Dec - 28 Dec Avianca
02 Dec - 18 Dec GOL Linhas Aéreas
21 Dec - 09 Jan Air Canada
25 Dec - 11 Jan Air Canada
24 Dec - 04 Jan Air Canada
26 Dec - 06 Jan Air Canada
07 Dec - 21 Dec Avianca
05 Dec - 15 Dec Air Canada
17 Dec - 01 Jan Air Canada
28 Dec - 15 Jan Air Canada
10 Dec - 26 Dec Air Canada
19 Dec - 04 Jan Air Canada
06 Dec - 26 Dec Air Canada
08 Dec - 28 Dec Air Canada
14 Dec - 27 Dec Air Canada
05 Dec - 19 Dec GOL Linhas Aéreas
10 Dec - 28 Dec Air Canada

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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