Cheapest return LHR–SCL flights, September

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

Return flights

15 Sep - 30 Sep LEVEL
14 Sep - 27 Sep British Airways
14 Sep - 28 Sep British Airways
14 Sep - 30 Sep British Airways
03 Sep - 25 Sep British Airways
05 Sep - 25 Sep British Airways
07 Sep - 20 Sep British Airways
03 Sep - 20 Sep British Airways
14 Sep - 23 Sep British Airways
01 Sep - 30 Sep British Airways
28 Sep - 15 Oct Iberia
22 Sep - 14 Oct Iberia
22 Sep - 06 Oct Iberia
28 Sep - 13 Oct Iberia
03 Sep - 10 Oct Virgin Atlantic
27 Sep - 08 Oct Air Canada
30 Sep - 14 Oct Turkish Airlines
21 Sep - 13 Oct Turkish Airlines
25 Sep - 11 Oct Virgin Atlantic
30 Sep - 15 Oct Virgin Atlantic

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

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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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