Cheapest return flights from London to Santiago in September from $928

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

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

Return flights

08 Sep - 22 Sep Air Canada
22 Sep - 30 Sep Iberia
09 Sep - 27 Sep LATAM Airlines Group
03 Sep - 19 Sep Iberia
22 Sep - 30 Sep British Airways direct
13 Sep - 27 Sep British Airways
23 Sep - 01 Oct Iberia
25 Sep - 14 Oct British Airways
19 Sep - 28 Sep LATAM Airlines Group
06 Sep - 16 Sep British Airways direct
25 Sep - 20 Oct Delta
04 Sep - 09 Sep Iberia
04 Sep - 26 Sep Air Canada

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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