
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $947 (American Airlines) |
One-way from | $427 (Kiwi.com) |
Popular in | January |
Cheapest in | March |
Average price | $1,605 |
Fly from
Fly to
Route
Depart
Return
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Mon 11/16
4:21 pm-9:00 am
1 stop13h 39m
Santiago Arturo Merino Benitez
Mon 11/30
10:15 pm-3:50 pm
1 stop20h 35m
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Tue 9/1
12:45 pm-6:25 am
2 stops16h 40m
Santiago Arturo Merino Benitez
Sun 9/6
9:50 pm-10:45 am
1 stop14h 55m
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Wed 9/2
10:16 am-7:05 am
2 stops19h 49m
Santiago Arturo Merino Benitez
Mon 9/7
9:50 pm-10:39 am
1 stop14h 49m
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Wed 10/28
3:42 pm-2:05 pm
2 stops20h 23m
Santiago Arturo Merino Benitez
Sun 11/1
11:48 pm-6:01 pm
2 stops21h 13m
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Thu 8/6
9:15 am-7:15 am
1 stop21h 00m
Santiago Arturo Merino Benitez
Wed 8/19
8:40 pm-9:54 am
1 stop14h 14m
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Wed 9/2
12:52 pm-1:25 pm
3 stops23h 33m
Santiago Arturo Merino Benitez
Mon 9/7
4:30 pm-11:42 pm
2 stops33h 12m
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Wed 10/28
11:00 am-7:50 am
1 stop18h 50m
Santiago Arturo Merino Benitez
Sun 11/1
10:45 pm-6:25 pm
1 stop22h 40m
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Fri 7/10
8:08 pm-1:35 pm
3 stops40h 27m
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Sat 7/25
4:57 pm-10:43 pm
3 stops52h 46m
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Mon 8/24
12:55 pm-7:05 am
2 stops17h 10m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Currently, March is the cheapest month in which you can book a flight from St. Louis to Santiago (average of $823). Flying from St. Louis to Santiago in January is currently the most expensive (average of $1,948). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Food
Comfort
Entertainment
Crew
Overall
Boarding
Reviews
Anonymous,May 2026
SEA - KOA
Food
Comfort
Entertainment
Crew
Overall
Boarding
Reviews
Anonymous,May 2026
SEA - KOA
Food
Comfort
Entertainment
Crew
Overall
Boarding
Reviews
Anonymous,May 2026
SEA - KOA
Food
Comfort
Entertainment
Crew
Overall
Boarding
Reviews
Anonymous,May 2026
SEA - KOA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$611 | Average$1,125 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$689 | Average$894 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$792 | Average$908 | FlexibilityNo cancel fee | On-time81% |