St. Louis

$303+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — STL
Apr 13 — Apr 201
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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 March 14, 2026.

This LATAM Airlines deal was found by Cheapflights users on 3/9. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/144:30 pm
SCL
-
STL
2 stops26h 32m
LATAM Airlines
Wed 8/51:30 pm
STL
-
SCL
1 stop16h 45m
LATAM Airlines
Deal found 3/9$915
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:00 pm
SCL
-
STL
2 stops17h 58m
Delta
Wed 8/51:30 pm
STL
-
SCL
2 stops16h 25m
Delta
Deal found 3/9$916
This American Airlines deal was found by Cheapflights users on 3/12. 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
2 stops21h 52m
American Airlines
Wed 8/512:23 pm
STL
-
SCL
2 stops17h 27m
American Airlines
Deal found 3/12$920
This LATAM Airlines deal was found by Cheapflights users on 3/9. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:05 pm
SCL
-
STL
2 stops25h 33m
LATAM Airlines
Wed 7/86:00 am
STL
-
SCL
2 stops30h 35m
LATAM Airlines
Deal found 3/9$934
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:40 pm
SCL
-
STL
1 stop18h 57m
Delta
Wed 7/811:51 am
STL
-
SCL
2 stops17h 09m
Delta
Deal found 3/9$936
This American Airlines deal was found by Cheapflights users on 3/13. 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 4/278:35 pm
SCL
-
STL
1 stop14h 41m
American Airlines
Mon 5/45:24 am
STL
-
SCL
1 stop24h 41m
American Airlines
Deal found 3/13$948
This American Airlines deal was found by Cheapflights users on 3/13. 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 6/38:35 pm
SCL
-
STL
1 stop14h 57m
American Airlines
Wed 7/155:17 am
STL
-
SCL
1 stop24h 33m
American Airlines
Deal found 3/13$972
This Delta deal was found by Cheapflights users on 3/11. 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.
Sat 8/1510:55 pm
SCL
-
STL
1 stop19h 00m
Delta
Sat 9/510:55 am
STL
-
SCL
2 stops18h 00m
Delta
Deal found 3/11$976
This KAYAK deal was found by Cheapflights users on 3/12. 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.
Wed 6/310:30 am
SCL
-
STL
2 stops24h 14m
LATAM Airlines
Wed 7/151:30 pm
STL
-
SCL
2 stops16h 25m
LATAM Airlines
Deal found 3/12$978
This Delta deal was found by Cheapflights users on 3/12. 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 6/18:40 pm
SCL
-
STL
1 stop14h 04m
Delta
Thu 7/166:00 am
STL
-
SCL
2 stops23h 00m
Delta
Deal found 3/12$995

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 March 14, 2026.

Round-trip from

$915
(LATAM Airlines)

One-way from

$303
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$1,239
From Chile to Lambert-St Louis
One-way flight from Chile to Lambert-St Louis
Highest demand for flights based on searches. 4% potential increase in price ($44 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in March 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 March 14, 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

Tue 7/14

4:30 pm-6:02 pm

2 stops26h 32m

Lambert-St Louis

Wed 8/5

1:30 pm-7:15 am

1 stop16h 45m

$915
Quickest round-trip

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/15

8:40 pm-12:54 pm

1 stop17h 14m

Lambert-St Louis

Wed 8/5

9:00 am-6:55 am

2 stops20h 55m

$916
Cheapest one-way

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Sun 4/26

8:20 pm-6:50 am

3 stops59h 30m

$303

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Thu 5/7

8:35 pm-3:13 pm

2 stops19h 38m

$502

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Mon 4/27

8:40 pm-11:56 am

1 stop16h 16m

$502

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Thu 4/23

8:40 pm-11:56 am

1 stop16h 16m

$502
Quickest one-way

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Fri 4/24

8:40 pm-8:30 am

1 stop12h 50m

$552

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Sun 4/26

8:40 pm-9:19 pm

1 stop25h 39m

$552

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Thu 4/16

2:30 am-11:59 pm

3 stops46h 29m

$2,275

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Fri 4/17

7:15 am-11:36 pm

2 stops17h 21m

$2,353

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

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 March 14, 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.

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

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.

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

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.

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

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 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 17h 14m. Fly via Delta 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, 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 March 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$542Average$1,159FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$948Average$1,150FlexibilityNo cancel feeOn-time71%

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