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St. Louis

$866+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — STL
Jul 15 — Jul 221
Wed 7/15
Wed 7/22
1 adult, Economy
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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 June 15, 2026.

This Delta deal was found by Cheapflights users on 6/12. 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.
Wed 7/18:40 pm
SCL
-
STL
1 stop26h 38m
Delta
Wed 7/83:58 pm
STL
-
SCL
1 stop14h 17m
Delta
Deal found 6/12$866
This eDestinos deal was found by Cheapflights users on 6/12. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:55 pm
SCL
-
STL
2 stops17h 39m
LATAM Airlines
Wed 7/86:00 am
STL
-
SCL
2 stops23h 00m
LATAM Airlines
Deal found 6/12$881
This eDestinos deal was found by Cheapflights users on 6/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:22 am
SCL
-
STL
2 stops37h 37m
Multiple Airlines
Sun 7/124:09 pm
STL
-
SCL
2 stops44h 26m
Multiple Airlines
Deal found 6/14$917
This SmartFares deal was found by Cheapflights users on 6/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:40 pm
SCL
-
STL
1 stop16h 37m
LATAM Airlines
Sun 7/123:58 pm
STL
-
SCL
1 stop14h 17m
LATAM Airlines
Deal found 6/12$926
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 7/158:40 pm
SCL
-
STL
1 stop19h 08m
Delta
Wed 8/55:23 pm
STL
-
SCL
2 stops19h 42m
Delta
Deal found 6/11$930
This Delta deal was found by Cheapflights users on 6/11. 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.
Mon 7/611:00 pm
SCL
-
STL
2 stops22h 37m
Delta
Sun 7/127:08 am
STL
-
SCL
1 stop23h 07m
Delta
Deal found 6/11$932
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:45 pm
SCL
-
STL
1 stop22h 53m
United Airlines
Wed 11/256:15 am
STL
-
SCL
1 stop23h 35m
United Airlines
Deal found 6/10$941

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 June 15, 2026.

Round-trip from

$866
(Delta)

Popular in

June

Cheapest in

December

Average price

$1,306
From Chile to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($133 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 15, 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

Wed 7/1

7:55 pm-12:34 pm

2 stops17h 39m

Lambert-St Louis

Wed 7/8

9:24 am-7:15 am

1 stop20h 51m

$866
Quickest round-trip

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Mon 7/13

8:40 pm-9:43 am

1 stop14h 03m

Lambert-St Louis

Tue 7/28

9:24 am-4:40 am

2 stops18h 16m

$930

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Tue 7/14

12:40 am-10:15 pm

2 stops22h 35m

Lambert-St Louis

Wed 8/5

3:39 pm-2:05 pm

2 stops21h 26m

$930

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Mon 7/6

11:00 pm-8:37 pm

2 stops22h 37m

Lambert-St Louis

Sun 7/12

7:08 am-7:15 am

1 stop23h 07m

$932

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Sorted by cheapest first

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 $543). Flying from Chile to St. Louis in September is currently the most expensive (average of $1,184). 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.

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 39m. 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 $543). Flying from Chile to St. Louis in September is currently the most expensive (average of $1,184). 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
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington

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