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Chile

$330+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SCL
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from St. Louis to Chile

Cheapest flights from St. Louis to Chile
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 diciembre 12, 2025.

This KAYAK deal was found by Cheapflights users on 12/10. 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.
mié. 12/245:13 pmSTL - SCL
2 stops33h 22mLATAM Airlines
mar. 1/64:35 pmSCL - STL
2 stops34h 04mLATAM Airlines
Deal found 12/10$1,096
This American Airlines deal was found by Cheapflights users on 12/10. 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. 12/246:00 pmSTL - SCL
1 stop12h 25mAmerican Airlines
mar. 1/610:30 pmSCL - STL
1 stop15h 33mAmerican Airlines
Deal found 12/10$1,627
This KAYAK deal was found by Cheapflights users on 12/9. 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.
mié. 12/249:47 amSTL - SCL
2 stops16h 48mLATAM Airlines
sáb. 1/33:00 pmSCL - STL
2 stops24h 21mLATAM Airlines
Deal found 12/9$1,906
This LATAM Airlines deal was found by Cheapflights users on 12/10. 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.
vie. 12/196:00 amSTL - SCL
1 stop21h 10mLATAM Airlines
vie. 1/26:40 amSCL - STL
2 stops20h 02mLATAM Airlines
Deal found 12/10$1,929
This American Airlines deal was found by Cheapflights users on 12/10. 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. 12/246:00 pmSTL - SCL
1 stop12h 25mAmerican Airlines
sáb. 1/311:15 pmSCL - STL
1 stop20h 55mAmerican Airlines
Deal found 12/10$1,972
This Delta deal was found by Cheapflights users on 12/10. 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.
mié. 12/247:00 amSTL - SCL
2 stops19h 35mDelta
sáb. 1/310:35 amSCL - STL
2 stops16h 09mDelta
Deal found 12/10$2,067

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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$755
(United Airlines)

One-way from

$330
(Kiwi.com)

Popular in

February

Cheapest in

March

Average price

$944
Provider with most accurate pricing for Lambert-St Louis-Santiago Arturo Merino Benitez flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Santiago Arturo Merino Benitez flights.
Search Deals
From Lambert-St Louis to Chile
Search Deals
One-way flight from Lambert-St Louis to Chile
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 diciembre 12, 2025.
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

mié. 3/11

6:00 am-7:50 am

1 stop23h 50m

Santiago Arturo Merino Benitez

lun. 3/23

9:45 pm-9:21 am

1 stop13h 36m

$755

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

mar. 1/13

9:59 am-6:10 am

1 stop17h 11m

Santiago Arturo Merino Benitez

lun. 1/26

11:10 pm-11:54 am

1 stop15h 44m

$764

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

lun. 3/9

3:58 pm-7:40 am

1 stop13h 42m

Santiago Arturo Merino Benitez

vie. 3/20

10:10 pm-8:52 am

1 stop12h 42m

$804

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

lun. 3/9

10:02 am-7:40 am

1 stop19h 38m

Santiago Arturo Merino Benitez

jue. 3/19

12:20 am-8:52 am

2 stops34h 32m

$804

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

dom. 1/25

6:40 pm-8:50 am

2 stops35h 10m

Santiago Arturo Merino Benitez

dom. 2/1

10:45 pm-10:00 pm

1 stop26h 15m

$817

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

vie. 1/16

12:00 pm-7:00 am

2 stops16h 00m

Santiago Arturo Merino Benitez

dom. 1/25

6:30 pm-8:53 am

2 stops17h 23m

$831

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

dom. 3/1

10:13 am-7:40 am

1 stop18h 27m

Santiago Arturo Merino Benitez

dom. 3/15

10:10 pm-5:53 pm

1 stop21h 43m

$835

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

mar. 1/20

5:42 pm-2:05 pm

3 stops41h 23m

$330

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

mar. 3/10

4:05 pm-11:15 am

1 stop17h 10m

$425

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

mar. 3/3

4:05 pm-6:50 am

2 stops59h 45m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 14 results
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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.
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

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 $598). Flying from St. Louis to Chile in October is currently the most expensive (average of $924). 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.

What is the cheapest time of day to fly from STL to CL?

Find hourly flight availability from St. Louis to Chile. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 12, 2025.

It’s optimal to fly from St. Louis to Chile in the evening. By choosing this option you can save up to 53% on the cost of your flight, compared to a flight in the afternoon.

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 diciembre 12, 2025.
Peruse reviews from past customers who have flown with Delta, LATAM Airlines, and United 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.
Delta
7.9
Good
8,009 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,009 reviews
Delta
7.9
Good
8,009 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.5
Good
1,889 reviews
Delta
7.9
Good
8,009 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,009 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,048 reviews
Delta
7.9
Good
8,009 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • What airport do you fly from for flights from St. Louis to Chile?

    For a flight from St. Louis to Chile, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • How long is the flight from St. Louis to Chile?

    Departing from St. Louis to Chile will take you 17h 11m. There are 5137 mi between St. Louis and Chile. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from St. Louis to Chile that include hotel bookings?

    Yes. In addition to deals on St. Louis to Chile flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Chile?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Chile.

  • Can I find deals for business class flights from St. Louis to Chile?

    Yes. Cheapflights offers flight deals from St. Louis to Chile by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $598). Flying from St. Louis to Chile in October is currently the most expensive (average of $924). 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.

See more FAQs

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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.
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Top 4 airlines flying from St. Louis to Chile

Discover the top 4 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$689Average$992FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$764Average$1,047FlexibilityNo cancel feeOn-time69%
DeltaCheapest$803Average$1,008FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$823Average$908FlexibilityNo cancel feeOn-time81%

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