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

Return flights

31 Aug - 10 Sep	Avianca
25 Aug - 08 Sep	Avianca
24 Aug - 08 Sep	Avianca
24 Aug - 24 Sep	Avianca
31 Aug - 23 Sep	Avianca
25 Aug - 10 Sep	Avianca
25 Aug - 29 Sep	Avianca
28 Aug - 10 Sep	Avianca
24 Aug - 28 Sep	Avianca
25 Aug - 07 Sep	Avianca
24 Aug - 31 Aug	Avianca
26 Aug - 31 Aug	Avianca
25 Aug - 31 Aug	Avianca
21 Aug - 26 Aug	Air Canada
21 Aug - 31 Aug	Brussels Airlines
20 Aug - 26 Aug	Delta
22 Aug - 29 Aug	Delta
18 Aug - 25 Aug	Vueling Airlines
21 Aug - 24 Aug	Brussels Airlines
14 Aug - 17 Aug	Air France

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 637€

Return flights