AirHint found the following cheapest one-way flights from London (LHR) to Lima (LIM) in December 2025 (see full year).

One-Way flights

25 Dec	Vueling Airlines
01 Dec	Vueling Airlines
03 Dec	Avianca
02 Dec	Avianca
06 Dec	British Airways
27 Dec	British Airways
11 Dec	Brussels Airlines
07 Dec	British Airways
28 Dec	LATAM Airlines Group
10 Dec	LATAM Airlines Group

Also check the deals for return flights from London to Lima 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 one-way flights from London to Lima in December from 490€

One-Way flights