$348+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SCL
Jul 9 — Jul 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from St. Louis to Chile with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Chile
Cheapest
Best
Last-minute
One-way
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 June 9, 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 June 9, 2026.
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 10/289:23 am
STL
- SCL
2 stops20h 27m
United Airlines
Tue 11/1010:45 pm
SCL
- STL
2 stops16h 35m
United Airlines
Deal found 6/8![United Airlines logo]()
$948
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Wed 8/511:35 am
STL
- SCL
1 stop18h 30m
American Airlines
Wed 8/128:50 pm
SCL
- STL
1 stop14h 55m
American Airlines
Deal found 6/6![American Airlines logo]()
$957
This Delta deal was found by Cheapflights users on 6/8. 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.
Thu 10/2911:51 am
STL
- SCL
2 stops16h 09m
Delta
Mon 11/911:10 pm
SCL
- STL
1 stop14h 38m
Delta
Deal found 6/8![Delta logo]()
$958
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Fri 10/304:17 pm
STL
- SCL
1 stop13h 33m
United Airlines
Wed 11/1110:45 pm
SCL
- STL
1 stop13h 57m
United Airlines
Deal found 6/8![United Airlines logo]()
$988
This Travelocity deal was found by Cheapflights users on 6/7. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/231:30 pm
STL
- SCL
2 stops28h 15m
LATAM Airlines
Wed 12/301:40 am
SCL
- STL
2 stops19h 21m
LATAM Airlines
Deal found 6/7![LATAM Airlines logo]()
$993
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Wed 9/95:10 pm
STL
- SCL
1 stop13h 40m
American Airlines
Fri 9/189:30 pm
SCL
- STL
1 stop20h 45m
American Airlines
Deal found 6/6![American Airlines logo]()
$997
This Delta deal was found by Cheapflights users on 6/8. 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.
Thu 10/291:30 pm
STL
- SCL
1 stop16h 10m
Delta
Fri 11/1311:10 pm
SCL
- STL
1 stop14h 38m
Delta
Deal found 6/8![Delta logo]()
$998
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Sat 10/316:08 pm
STL
- SCL
1 stop12h 52m
American Airlines
Tue 11/1010:15 pm
SCL
- STL
2 stops20h 14m
American Airlines
Deal found 6/8![American Airlines logo]()
$1,000
This Delta deal was found by Cheapflights users on 6/8. 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.
Fri 10/307:05 pm
STL
- SCL
2 stops17h 00m
Delta
Mon 11/911:25 pm
SCL
- STL
2 stops21h 36m
Delta
Deal found 6/8![Delta logo]()
$1,007
This Ovago deal was found by Cheapflights users on 6/8. 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.
Thu 6/1810:51 am
STL
- IPC
3 stops26h 19m
LATAM Airlines
Thu 6/252:40 pm
IPC
- STL
3 stops26h 27m
LATAM Airlines
Deal found 6/8![LATAM Airlines logo]()
$3,556
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 June 9, 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 June 9, 2026.
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 10/284:17 pm
STL
- SCL
1 stop13h 33m
United Airlines
Tue 11/1010:45 pm
SCL
- STL
1 stop22h 53m
United Airlines
Deal found 6/8![United Airlines logo]()
$948
This Delta deal was found by Cheapflights users on 6/8. 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.
Thu 10/2911:51 am
STL
- SCL
2 stops16h 09m
Delta
Tue 11/1011:10 pm
SCL
- STL
1 stop14h 38m
Delta
Deal found 6/8![Delta logo]()
$958
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Wed 8/53:25 pm
STL
- SCL
2 stops14h 40m
American Airlines
Wed 8/128:50 pm
SCL
- STL
2 stops17h 12m
American Airlines
Deal found 6/6![American Airlines logo]()
$981
This Ovago deal was found by Cheapflights users on 6/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:30 pm
STL
- SCL
2 stops34h 40m
Copa Airlines
Sat 9/51:43 am
SCL
- STL
2 stops22h 17m
Copa Airlines
Deal found 6/5![Copa Airlines logo]()
$1,113
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 10/288:00 am
STL
- SCL
2 stops21h 50m
United Airlines
Thu 11/1210:45 pm
SCL
- STL
1 stop13h 57m
United Airlines
Deal found 6/8![United Airlines logo]()
$948
This Delta deal was found by Cheapflights users on 6/8. 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.
Thu 10/2911:51 am
STL
- SCL
2 stops16h 09m
Delta
Mon 11/911:10 pm
SCL
- STL
1 stop14h 38m
Delta
Deal found 6/8![Delta logo]()
$958
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Wed 9/95:10 pm
STL
- SCL
1 stop13h 40m
American Airlines
Fri 9/189:30 pm
SCL
- STL
1 stop20h 45m
American Airlines
Deal found 6/6![American Airlines logo]()
$997
This Delta deal was found by Cheapflights users on 6/8. 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.
Thu 10/2911:51 am
STL
- SCL
2 stops16h 09m
Delta
Wed 11/1111:10 pm
SCL
- STL
1 stop14h 38m
Delta
Deal found 6/8![Delta logo]()
$958
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 10/284:17 pm
STL
- SCL
1 stop13h 33m
United Airlines
Sun 11/810:45 pm
SCL
- STL
1 stop13h 57m
United Airlines
Deal found 6/8![United Airlines logo]()
$988
Last-minute flights from St. Louis to ChileDiscover last-minute flight deals from St. Louis to Chile. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Chile. Data last updated June 9, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 6/8. 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.
Thu 6/1810:51 am
STL
- IPC
3 stops26h 19m
LATAM Airlines
Thu 6/252:40 pm
IPC
- STL
3 stops26h 27m
LATAM Airlines
Deal found 6/8![LATAM Airlines logo]()
$3,556
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Fri 7/311:00 am
STL
- SCL
1 stop19h 00m
American Airlines
Wed 7/229:00 pm
SCL
- STL
1 stop14h 24m
American Airlines
Deal found 6/7![American Airlines logo]()
$1,310
This Expedia deal was found by Cheapflights users on 6/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/33:57 pm
STL
- SCL
3 stops20h 28m
LATAM Airlines
Wed 7/224:10 am
SCL
- STL
2 stops20h 43m
LATAM Airlines
Deal found 6/7![LATAM Airlines logo]()
$1,431
This Mytrip deal was found by Cheapflights users on 6/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/32:40 pm
STL
- SCL
3 stops22h 35m
Multiple Airlines
Wed 7/228:30 am
SCL
- STL
3 stops35h 12m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$2,176
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 June 9, 2026.
Search for one-way flight options from St. Louis to Chile. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Fri 8/144:57 pm
STL
- SCL
3 stops49h 39m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Thu 8/136:34 pm
STL
- SCL
3 stops30h 46m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Wed 8/124:09 pm
STL
- SCL
2 stops26h 27m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$391
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Wed 8/1211:35 am
STL
- SCL
1 stop18h 30m
American Airlines
Deal found 6/6![American Airlines logo]()
$624
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Mon 8/2410:16 am
STL
- SCL
2 stops19h 49m
American Airlines
Deal found 6/7![American Airlines logo]()
$628
This Delta deal was found by Cheapflights users on 6/8. 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.
Mon 8/2411:00 am
STL
- SCL
1 stop19h 15m
Delta
Deal found 6/8![Delta logo]()
$633
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 June 9, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $957 (American Airlines) |
One-way from | $348 (Kiwi.com) |
Popular in | January |
Cheapest in | March |
Average price | $1,489 |
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 June 9, 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
Wed 10/28
4:17 pm-7:50 am
1 stop13h 33m
Santiago Arturo Merino Benitez
Tue 11/10
10:45 pm-6:38 pm
1 stop22h 53m
$948
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Wed 10/28
8:00 am-7:50 am
2 stops21h 50m
Santiago Arturo Merino Benitez
Thu 11/12
10:45 pm-9:42 am
1 stop13h 57m
$948
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Thu 10/29
11:51 am-6:00 am
2 stops16h 09m
Santiago Arturo Merino Benitez
Tue 11/10
11:10 pm-10:48 am
1 stop14h 38m
$958
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Thu 10/29
11:51 am-6:00 am
2 stops16h 09m
Santiago Arturo Merino Benitez
Mon 11/9
11:10 pm-10:48 am
1 stop14h 38m
$958
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Thu 10/29
11:51 am-6:00 am
2 stops16h 09m
Santiago Arturo Merino Benitez
Wed 11/11
11:10 pm-10:48 am
1 stop14h 38m
$958
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Wed 8/5
3:25 pm-7:05 am
2 stops14h 40m
Santiago Arturo Merino Benitez
Wed 8/12
8:50 pm-1:02 pm
2 stops17h 12m
$981
Quickest round-trip
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Wed 10/28
4:17 pm-7:50 am
1 stop13h 33m
Santiago Arturo Merino Benitez
Sun 11/8
10:45 pm-9:42 am
1 stop13h 57m
$988
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Wed 9/9
5:10 pm-8:50 am
1 stop13h 40m
Santiago Arturo Merino Benitez
Fri 9/18
9:30 pm-4:15 pm
1 stop20h 45m
$997
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Tue 9/1
5:30 pm-5:10 am
2 stops34h 40m
Santiago Arturo Merino Benitez
Sat 9/5
1:43 am-10:00 pm
2 stops22h 17m
$1,113
Cheapest one-way
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Thu 8/13
6:34 pm-2:20 am
3 stops30h 46m
$357
Showing 1-10 of 14 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 $472). Flying from St. Louis to Chile in June is currently the most expensive (average of $1,122). 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 June 9, 2026.
Peruse reviews from past customers who have flown with Delta,LATAM Airlines, andAmerican 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.
Comfort
7.8
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
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 June 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Chile flights
Consider these flights traveling from St. Louis to Chile.
Fly to Chile regions
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 June 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$574 | Average$894 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$611 | Average$1,112 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$792 | Average$908 | FlexibilityNo cancel fee | On-time81% |