HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chile

$387+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SCL
jan 4 — jan 111
dom 1/4
dom 1/11
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 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 dezembro 5, 2025.

This LATAM Airlines deal was found by Cheapflights users on 12/3. 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.
seg 12/291:22 pmSTL - SCL
1 stop15h 18mLATAM Airlines
seg 1/199:30 pmSCL - STL
1 stop14h 23mLATAM Airlines
Deal found 12/3$764
This Expedia deal was found by Cheapflights users on 12/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 12/299:47 amSTL - SCL
1 stop18h 53mLATAM Airlines
seg 1/1210:15 pmSCL - STL
2 stops28h 24mLATAM Airlines
Deal found 12/3$1,059
This KAYAK deal was found by Cheapflights users on 12/3. 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.
qua 12/246:00 amSTL - SCL
2 stops20h 35mLATAM Airlines
ter 1/610:15 pmSCL - STL
2 stops28h 24mLATAM Airlines
Deal found 12/3$1,081
This American Airlines deal was found by Cheapflights users on 12/3. 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.
seg 12/296:00 pmSTL - SCL
1 stop12h 25mAmerican Airlines
seg 1/1211:55 pmSCL - STL
1 stop20h 27mAmerican Airlines
Deal found 12/3$1,094
This United Airlines deal was found by Cheapflights users on 12/2. 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.
sáb 12/64:45 pmSTL - SCL
1 stop13h 05mUnited Airlines
qua 12/1010:45 pmSCL - STL
1 stop20h 19mUnited Airlines
Deal found 12/2$1,124

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 dezembro 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$753
(LATAM Airlines)

One-way from

$387
(Kiwi.com)

Popular in

February

Cheapest in

March

Average price

$1,078
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. 3% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 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 dezembro 5, 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

seg 1/19

12:00 pm-5:35 am

2 stops14h 35m

Santiago Arturo Merino Benitez

seg 1/26

11:10 pm-11:54 am

1 stop15h 44m

$753

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

qua 3/11

10:00 am-7:50 am

2 stops19h 50m

Santiago Arturo Merino Benitez

seg 3/23

9:45 pm-9:21 am

1 stop13h 36m

$757

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

qua 3/11

10:02 am-7:40 am

1 stop19h 38m

Santiago Arturo Merino Benitez

seg 3/23

6:30 pm-3:53 pm

2 stops23h 23m

$764

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

ter 5/12

1:30 pm-5:35 am

2 stops15h 05m

Santiago Arturo Merino Benitez

ter 5/26

6:45 pm-10:45 am

2 stops17h 00m

$792

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

sex 3/20

11:22 am-9:05 am

1 stop19h 43m

Santiago Arturo Merino Benitez

seg 3/30

9:50 pm-10:32 am

1 stop14h 42m

$804

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

ter 5/12

9:00 am-7:00 am

1 stop21h 00m

Santiago Arturo Merino Benitez

ter 5/26

8:40 pm-12:54 pm

1 stop17h 14m

$804

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

ter 5/12

7:20 am-7:00 am

1 stop22h 40m

Santiago Arturo Merino Benitez

ter 6/16

8:40 pm-3:58 pm

1 stop20h 18m

$804

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

qui 3/19

10:42 am-10:15 pm

3 stops33h 33m

$387

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

dom 1/4

11:51 am-2:40 pm

2 stops23h 49m

$504

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

qui 3/19

12:22 pm-7:40 am

1 stop17h 18m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 16 results
1
2

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, December is the cheapest month in which you can book a flight from St. Louis to Chile (average of $552). 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 dezembro 5, 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 dezembro 5, 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

Food

7.3

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

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

Food

7.3

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

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
1,890 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

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
9,065 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

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
11,047 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

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 14h 35m. 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, December is the cheapest month in which you can book a flight from St. Louis to Chile (average of $552). 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

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 for St. Louis to Chile

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Jose Maria Cordova Intl flights
St. Louis to Santiago flights
Kansas City to Guarulhos Intl flights
Kansas City to Rio de Janeiro–Galeão Intl flights
St. Louis to Lima flights
Kansas City to Jose Maria Cordova Intl flights
Kansas City to Lima flights
St. Louis to Ministro Pistarini flights
St. Louis to Cuzco flights
Kansas City to Quito flights
St. Louis to Guarulhos Intl flights
St. Louis to Rio de Janeiro–Galeão Intl flights
St. Louis to Jorge Newbery flights
Kansas City to Ministro Pistarini flights
Kansas City to Santos Dumont flights
Kansas City to Santiago flights
Kansas City to Cartagena flights
Kansas City to Bogotá flights
St. Louis to Quito flights
Kansas City to Cuzco flights
Kansas City to Jorge Newbery flights
Kansas City to Cali flights
Kansas City to Guayaquil flights
Springfield to Jose Maria Cordova Intl flights
St. Louis to Santos Dumont flights
St. Louis to Bogotá flights
St. Louis to Cartagena flights
St. Louis to Montevideo flights
Kansas City to Montevideo flights
St. Louis to Guayaquil flights
Kansas City to Asuncion flights
Kansas City to Barranquilla flights
Springfield to Santiago flights
Kansas City to Belo Horizonte flights
Kansas City to Santa Cruz de la Sierra flights
St. Louis to Fortaleza flights
St. Louis to Bucaramanga flights
Joplin to Bogotá flights
St. Louis to Porto Alegre flights
St. Louis to Santa Cruz de la Sierra flights
Kansas City to Brasilia flights
Kansas City to Cordoba flights
Kansas City to Cuenca flights
St. Louis to Cúcuta flights

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 dezembro 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$689Average$992FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$764Average$1,047FlexibilityNo cancel feeOn-time69%
DeltaCheapest$803Average$1,003FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$823Average$908FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2025 Cheapflights