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

Return flights

25 Aug - 22 Sep	easyJet
29 Aug - 08 Sep	easyJet
25 Aug - 23 Sep	Ryanair
21 Aug - 08 Sep	Ryanair
21 Aug - 27 Aug	Ryanair
28 Aug - 08 Sep	easyJet
19 Aug - 26 Aug	easyJet
20 Aug - 27 Aug	easyJet
28 Aug - 07 Sep	easyJet
19 Aug - 08 Sep	easyJet
19 Aug - 07 Sep	easyJet
19 Aug - 27 Aug	easyJet
28 Aug - 04 Sep	easyJet
18 Aug - 22 Aug	easyJet
30 Aug - 02 Sep	Ryanair
17 Aug - 21 Aug	easyJet
22 Aug - 25 Aug	easyJet
25 Aug - 30 Aug	easyJet
16 Aug - 26 Aug	Ryanair
22 Aug - 26 Aug	easyJet

Also check the deals for one-way flights from London to Santiago 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 London to Santiago in August from $1116

Return flights