Cheapest return flights from London to Santiago in September from $1059

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

11 Sep - 23 Sep LATAM Airlines Group
15 Sep - 06 Oct LATAM Airlines Group
04 Sep - 25 Sep British Airways
13 Sep - 23 Sep British Airways
22 Sep - 03 Oct Iberia
25 Sep - 06 Oct British Airways
12 Sep - 22 Sep Delta
04 Sep - 15 Sep Delta
04 Sep - 16 Sep Delta
08 Sep - 19 Sep Delta
04 Sep - 14 Sep Delta
13 Sep - 27 Sep British Airways
11 Sep - 18 Sep Iberia
22 Sep - 03 Oct British Airways direct

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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