St. Louis

$380+ Cheap flights from Chile to St. Louis (STL)

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — STL
May 1 — May 81
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Cheap 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 April 1, 2026.

This American Airlines deal was found by Cheapflights users on 3/27. 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 5/118:35 pm
SCL
-
STL
1 stop26h 49m
American Airlines
Mon 5/185:24 am
STL
-
SCL
1 stop24h 41m
American Airlines
Deal found 3/27$914
This Delta deal was found by Cheapflights users on 3/27. 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 5/1111:00 pm
SCL
-
STL
2 stops23h 29m
Delta
Mon 5/187:15 am
STL
-
SCL
2 stops21h 45m
Delta
Deal found 3/27$919
This American Airlines deal was found by Cheapflights users on 3/29. 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 12/2111:45 pm
SCL
-
STL
1 stop18h 15m
American Airlines
Tue 1/59:36 am
STL
-
SCL
1 stop19h 09m
American Airlines
Deal found 3/29$925
This Expedia deal was found by Cheapflights users on 3/29. 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.
Mon 12/2112:10 am
SCL
-
STL
1 stop13h 38m
LATAM Airlines
Tue 1/59:00 am
STL
-
SCL
2 stops16h 50m
LATAM Airlines
Deal found 3/29$951
This Trip.com deal was found by Cheapflights users on 3/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:30 am
SCL
-
STL
3 stops31h 20m
Multiple Airlines
Fri 5/154:19 pm
STL
-
SCL
2 stops30h 01m
Multiple Airlines
Deal found 3/28$955
This Delta deal was found by Cheapflights users on 3/27. 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 7/110:55 pm
SCL
-
STL
1 stop19h 05m
Delta
Wed 7/810:19 am
STL
-
SCL
2 stops19h 31m
Delta
Deal found 3/27$968
This American Airlines deal was found by Cheapflights users on 3/27. 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 7/158:30 pm
SCL
-
STL
1 stop14h 54m
American Airlines
Wed 8/55:18 am
STL
-
SCL
1 stop24h 32m
American Airlines
Deal found 3/27$970

Find 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 April 1, 2026.

Round-trip from

$955
(Trip.com)

One-way from

$380
(Kiwi.com)

Popular in

March

Cheapest in

December

Average price

$888
From Chile to Lambert-St Louis
One-way flight from Chile to Lambert-St Louis
Highest demand for flights based on searches. 3% potential increase in price ($39 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 April 1, 2026.
Use the filters below to find and compare flights from Chile to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Mon 5/11

8:35 pm-10:24 pm

1 stop26h 49m

Lambert-St Louis

Mon 5/18

5:24 am-7:05 am

1 stop24h 41m

$914

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Mon 5/11

11:00 pm-9:29 pm

2 stops23h 29m

Lambert-St Louis

Mon 5/18

7:15 am-6:00 am

2 stops21h 45m

$919
Quickest round-trip

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/1

10:30 am-9:46 am

2 stops24h 16m

Lambert-St Louis

Wed 7/8

10:19 am-6:50 am

2 stops19h 31m

$919

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Thu 4/30

12:30 am-6:50 am

3 stops31h 20m

Lambert-St Louis

Fri 5/15

4:19 pm-11:20 pm

2 stops30h 01m

$955

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/15

8:30 pm-10:53 pm

1 stop27h 23m

Lambert-St Louis

Wed 8/5

10:14 am-6:50 am

2 stops19h 36m

$975
Cheapest one-way

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Tue 4/28

5:00 am-6:50 am

3 stops26h 50m

$380

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 4/29

11:25 am-11:19 pm

2 stops36h 54m

$443

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Mon 6/29

12:30 am-8:52 am

3 stops33h 22m

$542
Quickest one-way

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Tue 4/28

8:40 pm-8:30 am

1 stop12h 50m

$624

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Tue 6/30

10:55 pm-4:53 pm

1 stop18h 58m

$638

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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

What is the cheapest month to book a flight from Chile to St. Louis?

Currently, July is the cheapest month in which you can book a flight from Chile to St. Louis (average of $685). Flying from Chile to St. Louis in January is currently the most expensive (average of $1,031). 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 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 April 1, 2026.
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.

Boarding

8.1

Overall

7.9

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

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.

Boarding

8.1

Overall

7.9

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

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.

Boarding

8.1

Overall

7.9

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

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 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 23h 29m. Fly via American Airlines or Delta to get the fastest option. The distance between Chile and St. Louis is about 5137 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, July is the cheapest month in which you can book a flight from Chile to St. Louis (average of $685). Flying from Chile to St. Louis in January is currently the most expensive (average of $1,031). 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
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chile to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

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 April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$542Average$1,159FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$948Average$1,150FlexibilityNo cancel feeOn-time71%

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