
Keep the following information in mind while searching for St. Louis to Chile flight deals. Data was last updated October 31, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $718 (Mytrip) |
One-way from | $461 (Kiwi.com) |
Popular in | January |
Cheapest in | March |
Average price | $995 |
Fly from
Fly to
Route
Depart
Return
St. LouisSantiago
STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez
STLSCL
Lambert-St Louis
Wed 12/30
6:21 pm-12:08 am
3 stops26h 47m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
St. LouisSantiago
STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez
STLSCL
Lambert-St Louis
Sun 1/17
5:59 pm-6:40 am
2 stops33h 41m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
St. LouisSantiago
STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez
STLSCL
Lambert-St Louis
Sat 1/16
7:02 pm-9:15 pm
3 stops47h 13m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
St. LouisSantiago
STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez
STLSCL
Lambert-St Louis
Sat 1/16
3:48 pm-7:40 am
1 stop12h 52m
Santiago Arturo Merino Benitez
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
St. LouisSantiago
STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez
STLSCL
Lambert-St Louis
Tue 12/1
4:05 pm-6:38 am
3 stops35h 33m
Santiago Arturo Merino Benitez
Thu 12/10
10:00 am-11:17 am
3 stops28h 17m
St. LouisSantiago
STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez
STLSCL
Lambert-St Louis
Mon 2/15
10:05 am-8:50 am
1 stop19h 45m
Santiago Arturo Merino Benitez
Tue 3/2
10:45 pm-9:20 am
1 stop13h 35m
St. LouisSantiago
STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez
STLSCL
Lambert-St Louis
Mon 2/15
3:40 pm-3:00 pm
2 stops20h 20m
Santiago Arturo Merino Benitez
Tue 3/2
8:25 pm-2:43 pm
2 stops21h 18m
St. LouisSantiago
STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez
STLSCL
Lambert-St Louis
Mon 2/1
4:56 pm-7:40 am
1 stop11h 44m
Santiago Arturo Merino Benitez
Sat 2/13
8:13 am-11:39 pm
2 stops18h 26m
St. LouisSantiago
STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez
STLSCL
Lambert-St Louis
Mon 12/28
3:48 pm-3:00 pm
2 stops20h 12m
Santiago Arturo Merino Benitez
Fri 1/15
9:50 pm-2:34 pm
1 stop19h 44m
St. LouisSantiago
STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez
STLSCL
Lambert-St Louis
Sat 2/20
9:00 am-7:40 am
1 stop19h 40m
Santiago Arturo Merino Benitez
Sat 3/6
9:50 pm-2:43 pm
1 stop19h 53m
Everything you need to know about your flight from St. Louis to Chile
Crew
Overall
Comfort
Entertainment
Boarding
Food
Reviews
Ellen,Oct 2026
GRR - ATL
Crew
Overall
Comfort
Entertainment
Boarding
Food
Reviews
Ellen,Oct 2026
GRR - ATL
Crew
Overall
Comfort
Entertainment
Boarding
Food
Reviews
Ellen,Oct 2026
GRR - ATL
Crew
Overall
Comfort
Entertainment
Boarding
Food
Reviews
Ellen,Oct 2026
GRR - ATL
Find useful and relevant information for your journey from St. Louis to Chile. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$762 | Average$1,218 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$792 | Average$1,037 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$858 | Average$1,227 | FlexibilityNo cancel fee | On-timeN/A |