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

Return flights

01 Aug - 18 Aug	Air France
01 Aug - 21 Aug	Air France
08 Aug - 22 Aug	Air France
05 Aug - 21 Aug	Air France
12 Aug - 19 Aug	Air France
03 Aug - 26 Aug	Air France
05 Aug - 23 Aug	LATAM Airlines Group
03 Aug - 18 Aug	LATAM Airlines Group
12 Aug - 26 Aug	Air France
11 Aug - 27 Aug	Air France
12 Aug - 03 Sep	British Airways
12 Aug - 04 Sep	Air France
10 Aug - 01 Sep	Air France
12 Aug - 01 Sep	Air France
10 Aug - 02 Sep	Iberia
20 Aug - 04 Sep	Avianca
12 Aug - 02 Sep	KLM
11 Aug - 02 Sep	Air France
02 Aug - 17 Sep	LATAM Airlines Group
14 Aug - 26 Sep	LATAM Airlines Group

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

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 Santiago to London in August from $886

Return flights