November is by far the best month, wherein you can get cheapest flights for St Louis to Santiago. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

STL
17:30
St Louis
St Louis Lambert International Airport
Mon , 03 Aug 2026

SCL
07:00
Santiago
Arturo Merino Benitez International Airport
Tue, 04 Aug 2026

STL
17:30
St Louis
St Louis Lambert International Airport
Mon , 03 Aug 2026

SCL
07:00
Santiago
Arturo Merino Benitez International Airport
Tue, 04 Aug 2026

STL
05:31
St Louis
St Louis Lambert International Airport
Mon , 03 Aug 2026

SCL
07:05
Santiago
Arturo Merino Benitez International Airport
Tue, 04 Aug 2026

STL
14:18
St Louis
St Louis Lambert International Airport
Mon , 03 Aug 2026

SCL
06:50
Santiago
Arturo Merino Benitez International Airport
Tue, 04 Aug 2026

STL
15:42
St Louis
St Louis Lambert International Airport
Mon , 03 Aug 2026

SCL
06:30
Santiago
Arturo Merino Benitez International Airport
Tue, 04 Aug 2026

STL
11:51
St Louis
St Louis Lambert International Airport
Mon , 03 Aug 2026

SCL
05:50
Santiago
Arturo Merino Benitez International Airport
Tue, 04 Aug 2026

STL
05:31
St Louis
St Louis Lambert International Airport
Mon , 03 Aug 2026

SCL
07:05
Santiago
Arturo Merino Benitez International Airport
Tue, 04 Aug 2026

STL
16:44
St Louis
St Louis Lambert International Airport
Mon , 03 Aug 2026

SCL
07:05
Santiago
Arturo Merino Benitez International Airport
Tue, 04 Aug 2026

STL
17:30
St Louis
St Louis Lambert International Airport
Mon , 03 Aug 2026

SCL
07:00
Santiago
Arturo Merino Benitez International Airport
Tue, 04 Aug 2026

STL
08:00
St Louis
St Louis Lambert International Airport
Mon , 03 Aug 2026

SCL
05:00
Santiago
Arturo Merino Benitez International Airport
Tue, 04 Aug 2026

STL
06:15
St Louis
St Louis Lambert International Airport
Mon , 03 Aug 2026

SCL
12:00
Santiago
Arturo Merino Benitez International Airport
Tue, 04 Aug 2026










Flying from St Louis to Santiago has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between St Louis to Santiago is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between St Louis Lambert International Airport (STL) and Arturo Merino Benitez International Airport (SCL). You can expect a flight distance of approximately 8272 km, and most direct services cover it in around 19:02.
Let’s take a closer look at everything you need to know before booking your flight from St Louis to Santiago.
| Flight Details | Information |
|---|---|
| Route Distance | 8272 km |
| Average Flight Time | 19:02 hrs |
| Departure Airport | St Louis Lambert International Airport (STL) |
| Arrival Airport | Arturo Merino Benitez International Airport (SCL) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | NO |
| Common Airlines | Delta Airlines, Lan Airlines, American Airlines, Copa Airlines |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.