Cheapest one-way flights from Chicago (ORD) to Santiago (SCL), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
09 Sep Frontier Airlines
28 Sep Frontier Airlines
12 Sep Frontier Airlines
29 Sep Frontier Airlines
21 Sep Arajet
04 Sep Avianca
07 Sep Avianca
02 Sep Avianca
05 Sep Avianca
16 Sep Avianca
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deals for return flights from Chicago to Santiago in September.

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Updated Aug 30, 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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