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Cheapest one-way flights from Philadelphia (PHL) to Santiago (STI), August

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Dates, airline, and price
Dates	Airline	Price
18 Aug	jetBlue
28 Aug	jetBlue
29 Aug	jetBlue
27 Aug	American Airlines Direct Flight
06 Aug	Frontier Airlines Direct Flight
13 Aug	Frontier Airlines Direct Flight
30 Aug	American Airlines Direct Flight
29 Aug	American Airlines Direct Flight
18 Aug	American Airlines Direct Flight

deals for return flights from Philadelphia to Santiago in August.

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Updated Jul 25, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Philadelphia (PHL) to Santiago (STI), August

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