Cheapest return flights from London to Buenos Aires in December from 1004€

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

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

Return flights

08 Dec - 18 Dec Air Europa
02 Dec - 09 Dec easyJet
01 Dec - 08 Dec TAP
02 Dec - 04 Dec easyJet
01 Dec - 15 Dec TAP
31 Dec - 20 Jan LATAM Airlines Group
08 Dec - 22 Dec TAP
08 Dec - 25 Dec Air Europa
01 Dec - 21 Dec Air Europa
04 Dec - 30 Dec TAP
18 Dec - 19 Jan Wizz Air UK
04 Dec - 14 Dec TAP
30 Dec - 20 Jan Iberia
31 Dec - 17 Jan Iberia
12 Dec - 18 Jan TAP
24 Dec - 01 Jan TAP
31 Dec - 14 Jan TAP
27 Dec - 24 Jan TAP
24 Dec - 08 Jan TAP
17 Dec - 15 Jan Air Europa

Also check the deals for one-way 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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