AirHint found the following cheapest return flights from London (LHR) to Lima (LIM) in August 2025 (see full year).

Return flights

23 Aug - 20 Sep	Avianca
31 Aug - 24 Sep	Avianca
25 Aug - 15 Sep	British Airways
20 Aug - 27 Sep	Avianca
26 Aug - 20 Sep	Avianca
24 Aug - 24 Sep	Avianca
30 Aug - 17 Sep	British Airways
30 Aug - 15 Sep	British Airways
28 Aug - 13 Sep	Avianca
29 Aug - 13 Sep	Avianca
13 Aug - 20 Aug	British Airways
12 Aug - 19 Aug	British Airways
21 Aug - 28 Aug	Avianca
23 Aug - 27 Aug	Avianca
20 Aug - 27 Aug	Avianca
23 Aug - 26 Aug	Avianca
18 Aug - 22 Aug	Avianca
25 Aug - 28 Aug	Avianca
27 Aug - 31 Aug	TAP
25 Aug - 31 Aug	Delta

Also check the deals for one-way flights from London to Lima in August.

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 London to Lima in August from $789

Return flights