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St. Louis

$764+ Cheap flights from Chile to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — STL
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Chile to St. Louis

Keep the following information in mind while searching for Chile to St. Louis flight deals. Data was last updated September 17, 2025.

Round-trip from

$764
(LATAM Airlines)

Popular in

March

Cheapest in

August

Average price

$1,019
From Chile to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Chile to St. Louis

Cheapest flights from Chile to St. Louis
Explore the most affordable flight options available from Chile to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This LATAM Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 11/136:30 pmSCL - STL
2 stops19h 19mLATAM Airlines
Mon 11/175:12 pmSTL - SCL
1 stop11h 28mLATAM Airlines
Deal found 9/14$764
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/1910:45 pmSCL - STL
1 stop26h 10mUnited Airlines
Sun 1/186:40 pmSTL - SCL
2 stops35h 10mUnited Airlines
Deal found 9/16$795
This LATAM Airlines deal was found by Cheapflights users on 9/16. 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 12/196:40 amSCL - STL
2 stops18h 18mLATAM Airlines
Wed 1/145:00 pmSTL - SCL
2 stops18h 05mLATAM Airlines
Deal found 9/16$804
This Air Canada deal was found by Cheapflights users on 9/16. 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.
Fri 12/198:35 amSCL - STL
2 stops33h 54mAir Canada
Fri 1/164:05 pmSTL - SCL
2 stops35h 55mAir Canada
Deal found 9/16$822
This American Airlines deal was found by Cheapflights users on 9/17. 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 11/111:15 pmSCL - STL
1 stop26h 14mAmerican Airlines
Sat 11/81:20 pmSTL - SCL
1 stop15h 35mAmerican Airlines
Deal found 9/17$827
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/319:15 pmSCL - STL
1 stop28h 41mAmerican Airlines
Fri 11/71:29 pmSTL - SCL
1 stop15h 26mAmerican Airlines
Deal found 9/16$828
This LATAM Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 12/184:35 amSCL - STL
2 stops20h 23mLATAM Airlines
Fri 1/1610:00 amSTL - SCL
2 stops17h 25mLATAM Airlines
Deal found 9/16$844
This LATAM Airlines deal was found by Cheapflights users on 9/17. 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 10/3112:20 amSCL - STL
2 stops19h 42mLATAM Airlines
Sat 11/83:59 pmSTL - SCL
1 stop12h 41mLATAM Airlines
Deal found 9/17$847

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chile to St. Louis 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 September 17, 2025.
Use the filters below to find and compare flights from Chile to St. Louis that are best for you.

Fly from

Chile

Fly to

St. Louis

Route

Depart

Return

Price

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 11/12

12:20 am-5:57 pm

2 stops20h 37m

Lambert-St Louis

Mon 11/17

9:21 am-4:30 am

2 stops16h 09m

$764

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Fri 12/19

10:45 pm-9:55 pm

1 stop26h 10m

Lambert-St Louis

Wed 1/14

6:30 am-8:50 am

2 stops23h 20m

$795

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Fri 12/19

10:45 pm-9:55 pm

1 stop26h 10m

Lambert-St Louis

Thu 1/15

6:00 am-8:50 am

1 stop23h 50m

$795

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Chile to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Chile 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 Chile to St. Louis
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated September 17, 2025.
See what other customers who have flown with Delta and American Airlines from Chile to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

Find useful and relevant information for your journey from Chile to St. Louis. 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 into for flights to St. Louis from Chile?

    Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to St. Louis from Chile.

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

    There are many flights that can get you from Chile to St. Louis in 20h 37m. Fly via LATAM Airlines to get the fastest option. The distance between Chile and St. Louis is about 5137 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chile to St. Louis 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 Chile to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Chile to St. Louis (average of $311). Flying from Chile to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Chile to St. Louis

Discover the top 2 airlines that operate flights from Chile to St. Louis. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$782Average$1,076FlexibilityNo cancel feeOn-time71%
DeltaCheapest$843Average$1,065FlexibilityNo cancel feeOn-timeN/A

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