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

Return flights

26 Aug - 02 Sep	Frontier Airlines
19 Aug - 26 Aug	Frontier Airlines
21 Aug - 28 Aug	Frontier Airlines
13 Aug - 20 Aug	Frontier Airlines
12 Aug - 23 Aug	Frontier Airlines
31 Aug - 07 Sep	Frontier Airlines
23 Aug - 30 Aug	Frontier Airlines
11 Aug - 18 Aug	Copa
20 Aug - 27 Aug	Frontier Airlines
18 Aug - 25 Aug	Frontier Airlines
14 Aug - 21 Aug	Frontier Airlines
10 Aug - 17 Aug	Copa
29 Aug - 05 Sep	Copa
30 Aug - 06 Sep	Copa
27 Aug - 03 Sep	Copa
28 Aug - 04 Sep	Copa
25 Aug - 01 Sep	Frontier Airlines
30 Aug - 06 Sep	Delta	direct
25 Aug - 01 Sep	Delta	direct

Also check the deals for one-way flights from Los Angeles 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 Los Angeles to Santiago in August from 552€

Return flights