$416+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SCL
Mar 7 — Mar 141
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 February 5, 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 February 5, 2026.
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 11/58:50 am
STL
- SCL
1 stop21h 00m
United Airlines
Thu 11/2610:45 pm
SCL
- STL
1 stop20h 50m
United Airlines
Deal found 2/1![United Airlines logo]()
$825
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/114:47 pm
STL
- SCL
1 stop13h 03m
United Airlines
Mon 3/239:45 pm
SCL
- STL
1 stop26h 31m
United Airlines
Deal found 2/2![United Airlines logo]()
$842
This LATAM Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 3/310:13 am
STL
- SCL
1 stop18h 27m
LATAM Airlines
Tue 3/1011:25 pm
SCL
- STL
2 stops20h 28m
LATAM Airlines
Deal found 2/2![LATAM Airlines logo]()
$844
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 3/34:28 pm
STL
- SCL
1 stop13h 22m
United Airlines
Tue 3/109:45 pm
SCL
- STL
1 stop13h 36m
United Airlines
Deal found 2/2![United Airlines logo]()
$858
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:00 am
STL
- SCL
2 stops21h 35m
Delta
Mon 3/2311:25 pm
SCL
- STL
2 stops23h 41m
Delta
Deal found 2/4![Delta logo]()
$863
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 3/116:20 pm
STL
- SCL
1 stop12h 45m
American Airlines
Mon 3/239:20 pm
SCL
- STL
1 stop28h 38m
American Airlines
Deal found 2/4![American Airlines logo]()
$865
This KAYAK deal was found by Cheapflights users on 2/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:59 pm
STL
- SCL
1 stop34h 41m
LATAM Airlines
Thu 3/1210:25 pm
SCL
- STL
1 stop14h 44m
LATAM Airlines
Deal found 2/3![LATAM Airlines logo]()
$881
This KAYAK deal was found by Cheapflights users on 2/2. 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.
Fri 8/141:30 pm
STL
- SCL
2 stops16h 25m
LATAM Airlines
Fri 8/214:10 am
SCL
- STL
2 stops20h 27m
LATAM Airlines
Deal found 2/2![LATAM Airlines logo]()
$890
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/88:19 am
STL
- SCL
2 stops45h 31m
United Airlines
Thu 3/129:45 pm
SCL
- STL
2 stops20h 38m
United Airlines
Deal found 2/3![United Airlines logo]()
$894
This LATAM Airlines deal was found by Cheapflights users on 2/2. 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.
Fri 3/204:21 pm
STL
- SCL
1 stop13h 19m
LATAM Airlines
Mon 3/3011:00 pm
SCL
- STL
2 stops20h 53m
LATAM Airlines
Deal found 2/2![LATAM Airlines logo]()
$897
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 February 5, 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 February 5, 2026.
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/114:47 pm
STL
- SCL
1 stop13h 03m
United Airlines
Mon 3/239:45 pm
SCL
- STL
1 stop26h 31m
United Airlines
Deal found 2/2![United Airlines logo]()
$842
This KAYAK deal was found by Cheapflights users on 2/2. 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.
Tue 3/35:00 pm
STL
- SCL
2 stops18h 05m
LATAM Airlines
Tue 3/1011:25 pm
SCL
- STL
2 stops20h 28m
LATAM Airlines
Deal found 2/2![LATAM Airlines logo]()
$844
This American Airlines deal was found by Cheapflights users on 2/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:13 pm
STL
- SCL
1 stop12h 47m
American Airlines
Mon 3/239:20 pm
SCL
- STL
1 stop28h 38m
American Airlines
Deal found 2/5![American Airlines logo]()
$863
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:03 am
STL
- SCL
1 stop22h 37m
Delta
Mon 3/2311:25 pm
SCL
- STL
2 stops23h 41m
Delta
Deal found 2/4![Delta logo]()
$863
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 3/34:28 pm
STL
- SCL
1 stop13h 22m
United Airlines
Tue 3/109:45 pm
SCL
- STL
1 stop13h 36m
United Airlines
Deal found 2/2![United Airlines logo]()
$858
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Mon 3/910:05 am
STL
- SCL
1 stop19h 45m
United Airlines
Tue 3/179:45 pm
SCL
- STL
1 stop20h 20m
United Airlines
Deal found 2/4![United Airlines logo]()
$858
Last-minute flights from St. Louis to ChileDiscover last-minute flight deals from St. Louis to Chile. Data last updated February 5, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Chile. Data last updated February 5, 2026 and is based on user searches.
This LATAM Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 3/310:13 am
STL
- SCL
1 stop18h 27m
LATAM Airlines
Tue 3/1011:25 pm
SCL
- STL
2 stops20h 28m
LATAM Airlines
Deal found 2/2![LATAM Airlines logo]()
$844
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 3/34:28 pm
STL
- SCL
1 stop13h 22m
United Airlines
Tue 3/109:45 pm
SCL
- STL
1 stop13h 36m
United Airlines
Deal found 2/2![United Airlines logo]()
$858
This KAYAK deal was found by Cheapflights users on 2/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:59 pm
STL
- SCL
1 stop34h 41m
LATAM Airlines
Thu 3/1210:25 pm
SCL
- STL
1 stop14h 44m
LATAM Airlines
Deal found 2/3![LATAM Airlines logo]()
$881
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/88:19 am
STL
- SCL
2 stops45h 31m
United Airlines
Thu 3/129:45 pm
SCL
- STL
2 stops20h 38m
United Airlines
Deal found 2/3![United Airlines logo]()
$894
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/114:47 pm
STL
- SCL
1 stop13h 03m
United Airlines
Mon 3/239:45 pm
SCL
- STL
1 stop26h 31m
United Airlines
Deal found 2/2![United Airlines logo]()
$842
This Delta deal was found by Cheapflights users on 2/3. 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.
Wed 3/1110:12 am
STL
- SCL
2 stops17h 23m
Delta
Mon 3/2311:25 pm
SCL
- STL
2 stops20h 28m
Delta
Deal found 2/3![Delta logo]()
$863
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 3/116:20 pm
STL
- SCL
1 stop12h 45m
American Airlines
Mon 3/239:20 pm
SCL
- STL
1 stop28h 38m
American Airlines
Deal found 2/4![American Airlines logo]()
$865
This LATAM Airlines deal was found by Cheapflights users on 2/3. 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.
Fri 3/204:21 pm
STL
- SCL
1 stop13h 19m
LATAM Airlines
Mon 3/3011:00 pm
SCL
- STL
2 stops20h 53m
LATAM Airlines
Deal found 2/3![LATAM Airlines logo]()
$897
This Delta deal was found by Cheapflights users on 2/2. 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 3/2010:12 am
STL
- SCL
2 stops18h 33m
Delta
Mon 3/308:55 pm
SCL
- STL
2 stops16h 14m
Delta
Deal found 2/2![Delta logo]()
$898
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Fri 3/2011:46 am
STL
- SCL
1 stop17h 14m
American Airlines
Mon 3/309:25 pm
SCL
- STL
2 stops17h 19m
American Airlines
Deal found 2/4![American Airlines logo]()
$903
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 February 5, 2026.
Search for one-way flight options from St. Louis to Chile. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:17 pm
STL
- SCL
3 stops48h 23m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$416
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 3/410:37 am
STL
- SCL
2 stops18h 28m
American Airlines
Deal found 2/4![American Airlines logo]()
$417
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 February 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $842 (United Airlines) |
One-way from | $416 (Kiwi.com) |
Popular in | January |
Cheapest in | July |
Average price | $1,183 |
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 February 5, 2026.
Use the filters below to find and compare flights from St. Louis to Chile that are best for you.
Fly from
St. Louis
Fly to
Chile
Route
Depart
Return
Price
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Wed 3/11
4:47 pm-7:50 am
1 stop13h 03m
Santiago Arturo Merino Benitez
Mon 3/23
9:45 pm-10:16 pm
1 stop26h 31m
$842
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Tue 3/3
5:00 pm-2:05 pm
2 stops18h 05m
Santiago Arturo Merino Benitez
Tue 3/10
11:25 pm-5:53 pm
2 stops20h 28m
$844
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Tue 3/3
4:28 pm-8:50 am
1 stop13h 22m
Santiago Arturo Merino Benitez
Tue 3/10
9:45 pm-9:21 am
1 stop13h 36m
$858
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Mon 3/9
10:05 am-7:50 am
1 stop19h 45m
Santiago Arturo Merino Benitez
Tue 3/17
9:45 pm-4:05 pm
1 stop20h 20m
$858
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Wed 3/11
4:13 pm-7:00 am
1 stop12h 47m
Santiago Arturo Merino Benitez
Mon 3/23
9:20 pm-11:58 pm
1 stop28h 38m
$863
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Wed 3/11
7:03 am-7:40 am
1 stop22h 37m
Santiago Arturo Merino Benitez
Mon 3/23
11:25 pm-9:06 pm
2 stops23h 41m
$863
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Wed 3/4
8:17 pm-11:40 pm
3 stops48h 23m
$416
St. LouisSantiago
STL - SCL
STLSCL
Lambert-St Louis
Wed 3/4
11:46 am-8:05 am
1 stop17h 19m
$417
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
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
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 $594). 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 February 5, 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.
Entertainment
7.8
Comfort
7.9
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Comfort
7.9
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Comfort
7.9
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Comfort
7.9
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
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
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Complete your trip
Complete your trip to Chile by adding a car rental and/or hotel reservation to your travel itinerary.
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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 February 5, 2026.
Popular flight searches
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St. Louis to Chile flights
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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 February 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$689 | Average$1,074 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$755 | Average$1,013 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$801 | Average$913 | FlexibilityNo cancel fee | On-time81% |