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

Return flights

20 Aug - 27 Aug	Delta
27 Aug - 07 Sep	Delta
28 Aug - 07 Sep	Delta
11 Aug - 21 Aug	American Airlines
11 Aug - 26 Aug	American Airlines
06 Aug - 17 Aug	American Airlines
11 Aug - 24 Aug	American Airlines
11 Aug - 25 Aug	Delta
11 Aug - 18 Aug	Delta
13 Aug - 28 Aug	Delta
09 Aug - 21 Aug	American Airlines
10 Aug - 21 Aug	American Airlines

Also check the deals for one-way flights from Newark 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 Newark to Santiago in August from $592

Return flights