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

Return flights

25 Aug - 09 Sep	KLM
30 Aug - 21 Sep	KLM
18 Aug - 10 Sep	KLM
28 Aug - 16 Sep	KLM
25 Aug - 08 Sep	KLM
29 Aug - 24 Sep	KLM
23 Aug - 06 Sep	KLM
22 Aug - 15 Sep	KLM
22 Aug - 08 Sep	KLM
29 Aug - 09 Sep	KLM
23 Aug - 31 Aug	KLM
18 Aug - 25 Aug	KLM
17 Aug - 31 Aug	KLM
15 Aug - 25 Aug	KLM
22 Aug - 31 Aug	KLM
15 Aug - 17 Aug	KLM
19 Aug - 31 Aug	KLM
17 Aug - 24 Aug	KLM
15 Aug - 27 Aug	KLM
14 Aug - 31 Aug	KLM

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 $1323

Return flights