AirHint found the following cheapest return flights from London (LHR) to Lima (LIM) in September 2026 (see full year).

Return flights

09 Sep - 16 Sep	Avianca
09 Sep - 22 Sep	Avianca
12 Sep - 26 Sep	Avianca
09 Sep - 23 Sep	Avianca
12 Sep - 19 Sep	Avianca
01 Sep - 19 Sep	Avianca
07 Sep - 20 Sep	Avianca
07 Sep - 21 Sep	Avianca
01 Sep - 22 Sep	Avianca
05 Sep - 18 Sep	Avianca
10 Sep - 03 Oct	Avianca
10 Sep - 02 Oct	Avianca
05 Sep - 10 Oct	Avianca
17 Sep - 03 Oct	Avianca
20 Sep - 05 Oct	Avianca
20 Sep - 02 Oct	Avianca
22 Sep - 07 Oct	Avianca
25 Sep - 03 Oct	Avianca
11 Sep - 02 Oct	Avianca
26 Sep - 03 Oct	Avianca

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

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 September from 647€

Return flights