$389+ Cheap flights from St. Louis (STL) to Chile
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SCL
abr. 6 — abr. 131
Round-trip
1 adult, Economy
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Cheapest flights from St. Louis to ChileExplore the most affordable flight options available from St. Louis to Chile. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 7, 2026.
Explore the most affordable flight options available from St. Louis to Chile. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 7, 2026.
This LATAM Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/3112:04 pm
STL
- SCL
2 stops15h 31m
LATAM Airlines
mar. 4/711:00 pm
SCL
- STL
2 stops19h 53m
LATAM Airlines
Deal found 3/3![LATAM Airlines logo]()
$873
This LATAM Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/157:05 pm
STL
- SCL
2 stops20h 20m
Multiple Airlines
mar. 10/64:10 am
SCL
- STL
3 stops21h 17m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$875
This American Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/152:33 pm
STL
- SCL
2 stops15h 32m
American Airlines
mié. 4/228:35 pm
SCL
- STL
2 stops19h 33m
American Airlines
Deal found 3/4![American Airlines logo]()
$893
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/202:33 pm
STL
- SCL
2 stops15h 32m
American Airlines
lun. 4/278:35 pm
SCL
- STL
2 stops18h 28m
American Airlines
Deal found 3/6![American Airlines logo]()
$899
This American Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/2112:27 pm
STL
- SCL
2 stops17h 38m
American Airlines
mar. 4/288:35 pm
SCL
- STL
2 stops17h 47m
American Airlines
Deal found 3/7![American Airlines logo]()
$900
This LATAM Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/154:41 pm
STL
- SCL
1 stop13h 34m
LATAM Airlines
mié. 4/228:40 pm
SCL
- STL
1 stop12h 50m
LATAM Airlines
Deal found 3/4![LATAM Airlines logo]()
$902
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/204:41 pm
STL
- SCL
1 stop13h 34m
Delta
lun. 4/278:40 pm
SCL
- STL
1 stop16h 16m
Delta
Deal found 3/6![Delta logo]()
$908
This LATAM Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/2111:42 am
STL
- SCL
3 stops21h 22m
LATAM Airlines
mar. 4/2811:05 pm
SCL
- STL
2 stops19h 39m
LATAM Airlines
Deal found 3/7![LATAM Airlines logo]()
$909
This American Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/1210:34 am
STL
- SCL
2 stops20h 16m
American Airlines
sáb. 9/269:30 pm
SCL
- STL
2 stops19h 29m
American Airlines
Deal found 3/3![American Airlines logo]()
$910
This LATAM Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/2011:42 am
STL
- SCL
3 stops24h 43m
LATAM Airlines
lun. 4/275:40 am
SCL
- STL
2 stops18h 56m
LATAM Airlines
Deal found 3/6![LATAM Airlines logo]()
$912
This Billigflug deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/216:50 pm
STL
- IPC
3 stops44h 55m
LATAM Airlines
mar. 4/283:05 pm
IPC
- STL
3 stops31h 31m
LATAM Airlines
Deal found 3/6![LATAM Airlines logo]()
$2,874
This BusinessClass deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/197:05 pm
STL
- IPC
3 stops42h 05m
LATAM Airlines
dom. 7/263:25 pm
IPC
- STL
2 stops42h 20m
LATAM Airlines
Deal found 3/5![LATAM Airlines logo]()
$2,924
Best flights from St. Louis to ChileDiscover carefully curated flight deals from St. Louis to Chile that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated marzo 7, 2026.
Discover carefully curated flight deals from St. Louis to Chile that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated marzo 7, 2026.
This LATAM Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/3112:04 pm
STL
- SCL
2 stops15h 31m
LATAM Airlines
mar. 4/711:00 pm
SCL
- STL
2 stops19h 53m
LATAM Airlines
Deal found 3/3![LATAM Airlines logo]()
$873
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/204:41 pm
STL
- SCL
1 stop13h 34m
Delta
lun. 4/278:40 pm
SCL
- STL
1 stop16h 16m
Delta
Deal found 3/6![Delta logo]()
$908
This Air Canada deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/224:05 pm
STL
- SCL
1 stop17h 10m
Air Canada
mié. 3/257:55 pm
SCL
- STL
1 stop21h 34m
Air Canada
Deal found 3/3![Air Canada logo]()
$1,020
This United Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/2210:05 am
STL
- SCL
1 stop19h 45m
United Airlines
mié. 3/259:45 pm
SCL
- STL
1 stop13h 36m
United Airlines
Deal found 3/4![United Airlines logo]()
$1,097
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/219:59 am
STL
- SCL
1 stop20h 16m
Delta
mar. 4/288:40 pm
SCL
- STL
1 stop16h 16m
Delta
Deal found 3/7![Delta logo]()
$908
This KAYAK deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/14:41 pm
STL
- SCL
2 stops20h 24m
LATAM Airlines
dom. 5/3111:05 pm
SCL
- STL
2 stops19h 51m
LATAM Airlines
Deal found 3/5![LATAM Airlines logo]()
$985
This Delta deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/174:41 pm
STL
- SCL
1 stop13h 34m
Delta
vie. 4/248:40 pm
SCL
- STL
1 stop12h 50m
Delta
Deal found 3/3![Delta logo]()
$988
This KAYAK deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/31:30 pm
STL
- SCL
2 stops15h 05m
LATAM Airlines
sáb. 7/1111:05 pm
SCL
- STL
2 stops25h 33m
LATAM Airlines
Deal found 3/7![LATAM Airlines logo]()
$1,089
This LATAM Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/227:03 am
STL
- SCL
2 stops21h 22m
LATAM Airlines
mié. 3/256:40 am
SCL
- STL
2 stops19h 18m
LATAM Airlines
Deal found 3/3![LATAM Airlines logo]()
$1,097
This Billigflug deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/216:50 pm
STL
- IPC
3 stops44h 55m
LATAM Airlines
mar. 4/283:05 pm
IPC
- STL
3 stops31h 31m
LATAM Airlines
Deal found 3/6![LATAM Airlines logo]()
$2,874
This BusinessClass deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/197:05 pm
STL
- IPC
3 stops42h 05m
LATAM Airlines
dom. 7/263:25 pm
IPC
- STL
2 stops42h 20m
LATAM Airlines
Deal found 3/5![LATAM Airlines logo]()
$2,924
This FlightHub deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/2711:42 am
STL
- IPC
2 stops26h 23m
LATAM Airlines
dom. 5/33:10 pm
IPC
- STL
2 stops49h 34m
LATAM Airlines
Deal found 3/4![LATAM Airlines logo]()
$3,515
Last-minute flights from St. Louis to ChileDiscover last-minute flight deals from St. Louis to Chile. Data last updated marzo 7, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Chile. Data last updated marzo 7, 2026 and is based on user searches.
This LATAM Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/3112:04 pm
STL
- SCL
2 stops15h 31m
LATAM Airlines
mar. 4/711:00 pm
SCL
- STL
2 stops19h 53m
LATAM Airlines
Deal found 3/3![LATAM Airlines logo]()
$873
This American Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/152:33 pm
STL
- SCL
2 stops15h 32m
American Airlines
mié. 4/228:35 pm
SCL
- STL
2 stops19h 33m
American Airlines
Deal found 3/4![American Airlines logo]()
$893
This LATAM Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/154:41 pm
STL
- SCL
1 stop13h 34m
LATAM Airlines
mié. 4/228:40 pm
SCL
- STL
1 stop12h 50m
LATAM Airlines
Deal found 3/4![LATAM Airlines logo]()
$902
This American Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/172:12 pm
STL
- SCL
2 stops15h 53m
American Airlines
vie. 4/248:35 pm
SCL
- STL
2 stops17h 47m
American Airlines
Deal found 3/3![American Airlines logo]()
$923
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/202:33 pm
STL
- SCL
2 stops15h 32m
American Airlines
lun. 4/278:35 pm
SCL
- STL
2 stops18h 28m
American Airlines
Deal found 3/6![American Airlines logo]()
$899
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/204:41 pm
STL
- SCL
1 stop13h 34m
Delta
lun. 4/278:40 pm
SCL
- STL
1 stop16h 16m
Delta
Deal found 3/6![Delta logo]()
$908
This LATAM Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/2011:42 am
STL
- SCL
3 stops24h 43m
LATAM Airlines
lun. 4/275:40 am
SCL
- STL
2 stops18h 56m
LATAM Airlines
Deal found 3/6![LATAM Airlines logo]()
$912
This American Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/2112:27 pm
STL
- SCL
2 stops17h 38m
American Airlines
mar. 4/288:35 pm
SCL
- STL
2 stops17h 47m
American Airlines
Deal found 3/7![American Airlines logo]()
$900
This LATAM Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/2111:42 am
STL
- SCL
3 stops21h 22m
LATAM Airlines
mar. 4/2811:05 pm
SCL
- STL
2 stops19h 39m
LATAM Airlines
Deal found 3/7![LATAM Airlines logo]()
$909
This Billigflug deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/216:50 pm
STL
- IPC
3 stops44h 55m
LATAM Airlines
mar. 4/283:05 pm
IPC
- STL
3 stops31h 31m
LATAM Airlines
Deal found 3/6![LATAM Airlines logo]()
$2,874
This FlightHub deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/2711:42 am
STL
- IPC
2 stops26h 23m
LATAM Airlines
dom. 5/33:10 pm
IPC
- STL
2 stops49h 34m
LATAM Airlines
Deal found 3/4![LATAM Airlines logo]()
$3,515
One-way flights from St. Louis to ChileSearch for one-way flight options from St. Louis to Chile. Find affordable one-way fares based on user searches. Data last updated marzo 7, 2026.
Search for one-way flight options from St. Louis to Chile. Find affordable one-way fares based on user searches. Data last updated marzo 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/168:10 pm
STL
- SCL
2 stops49h 39m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$389
This Air Canada deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/164:05 pm
STL
- SCL
1 stop17h 10m
Air Canada
Deal found 3/3![Air Canada logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/217:47 am
STL
- SCL
3 stops20h 53m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/183:48 pm
STL
- SCL
3 stops52h 17m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/277:00 am
STL
- SCL
3 stops29h 30m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$538
This Ovago deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/215:00 pm
STL
- SCL
1 stop12h 40m
LATAM Airlines
Deal found 3/3![LATAM Airlines logo]()
$547
This Ovago deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/2710:55 am
STL
- SCL
1 stop19h 20m
LATAM Airlines
Deal found 3/3![LATAM Airlines logo]()
$616
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/187:20 am
STL
- SCL
2 stops21h 40m
Delta
Deal found 3/6![Delta logo]()
$618
Find flight deals from St. Louis to Chile
Keep the following information in mind while searching for St. Louis to Chile flight deals. Data was last updated marzo 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $873 (LATAM Airlines) |
One-way from | $389 (Kiwi.com) |
Popular in | January |
Cheapest in | March |
Average price | $833 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Chile that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated marzo 7, 2026.
Use the filters below to find and compare flights from St. Louis to Chile that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
mar. 3/31
12:04 pm-5:35 am
2 stops15h 31m
Santiago Arturo Merino Benitez
mar. 4/7
11:00 pm-5:53 pm
2 stops19h 53m
$873
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
lun. 4/20
4:41 pm-7:15 am
1 stop13h 34m
Santiago Arturo Merino Benitez
lun. 4/27
8:40 pm-11:56 am
1 stop16h 16m
$908
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
mar. 4/21
9:59 am-7:15 am
1 stop20h 16m
Santiago Arturo Merino Benitez
mar. 4/28
8:40 pm-11:56 am
1 stop16h 16m
$908
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
vie. 5/1
4:41 pm-2:05 pm
2 stops20h 24m
Santiago Arturo Merino Benitez
dom. 5/31
11:05 pm-5:56 pm
2 stops19h 51m
$985
Quickest round-trip
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
vie. 4/17
4:41 pm-7:15 am
1 stop13h 34m
Santiago Arturo Merino Benitez
vie. 4/24
8:40 pm-8:30 am
1 stop12h 50m
$988
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
dom. 3/22
4:05 pm-11:15 am
1 stop17h 10m
Santiago Arturo Merino Benitez
mié. 3/25
7:55 pm-3:29 pm
1 stop21h 34m
$1,020
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
vie. 7/3
1:30 pm-5:35 am
2 stops15h 05m
Santiago Arturo Merino Benitez
sáb. 7/11
11:05 pm-11:38 pm
2 stops25h 33m
$1,089
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
dom. 3/22
10:05 am-7:50 am
1 stop19h 45m
Santiago Arturo Merino Benitez
mié. 3/25
9:45 pm-9:21 am
1 stop13h 36m
$1,097
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
dom. 3/22
7:03 am-6:25 am
2 stops21h 22m
Santiago Arturo Merino Benitez
mié. 3/25
6:40 am-11:58 pm
2 stops19h 18m
$1,097
St. LouisEaster Island
STL - IPC
STLIPC
Lambert-St Louis
mar. 4/21
6:50 pm-2:45 pm
3 stops44h 55m
Easter Island Mataveri Intl
mar. 4/28
3:05 pm-11:36 pm
3 stops31h 31m
$2,874
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Chile
Have a flexible travel schedule? Discover the best time to fly to Chile from St. Louis with our price prediction graph.
STL-SCL
STL-IPC
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Chile
STL-CL0
STL-SCL
STL-IPC
What is the cheapest month to book a flight from St. Louis to Chile?
Currently, March is the cheapest month in which you can book a flight from St. Louis to Chile (average of $549). Flying from St. Louis to Chile in June is currently the most expensive (average of $989). 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.
Reviews of airlines servicing Chile
Get insights into the airlines that provide service to Chile. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chile. Reviews last updated marzo 7, 2026.
Peruse reviews from past customers who have flown with Delta, LATAM Airlines, and American Airlines from St. Louis to Chile to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
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.
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Alternative routes for St. Louis to Chile
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Chile by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Chile by cabin class
Find flights from St. Louis to Chile, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Chile flights
Browse other St. Louis and Chile flight options. Last updated on marzo 7, 2026.
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St. Louis to Chile flights
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Consider these flights traveling to Chile regions.
Top 3 airlines flying from St. Louis to Chile
Discover the top 3 airlines that operate flights from St. Louis to Chile. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated marzo 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$611 | Average$988 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$689 | Average$898 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$803 | Average$908 | FlexibilityNo cancel fee | On-time81% |