Cheapest return flights from London to Santiago in September from $1279

Best time to book flights for London (LCY) to Santiago (SCL) flights at AirHint

AirHint found the following cheapest return flights from London (LCY) to Santiago (SCL) in September 2025 (see full year).

Return flights

08 Sep - 13 Oct KLM
08 Sep - 29 Sep KLM
15 Sep - 23 Sep KLM
16 Sep - 26 Sep KLM
18 Sep - 28 Sep KLM
07 Sep - 14 Sep KLM
14 Sep - 22 Sep KLM
17 Sep - 21 Sep Condor
17 Sep - 20 Sep Condor
19 Sep - 23 Sep KLM
22 Sep - 26 Sep KLM
29 Sep - 05 Oct KLM

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

Skyscanner

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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