Chile

$825+ Cheap flights from St. Louis (STL) to Chile

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SCL
Apr 16 — Apr 231
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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 March 17, 2026.

This American Airlines deal was found by Cheapflights users on 3/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:06 am
STL
-
SCL
1 stop18h 59m
American Airlines
Mon 5/188:35 pm
SCL
-
STL
1 stop14h 41m
American Airlines
Deal found 3/14$825
This Expedia deal was found by Cheapflights users on 3/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:50 pm
STL
-
SCL
2 stops21h 35m
LATAM Airlines
Mon 5/188:30 am
SCL
-
STL
3 stops28h 50m
LATAM Airlines
Deal found 3/14$860
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:00 am
STL
-
SCL
1 stop21h 15m
Delta
Wed 11/411:10 pm
SCL
-
STL
1 stop16h 46m
Delta
Deal found 3/17$925
This American Airlines deal was found by Cheapflights users on 3/16. 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.
Tue 9/811:48 am
STL
-
SCL
1 stop18h 02m
American Airlines
Wed 9/309:30 pm
SCL
-
STL
2 stops22h 44m
American Airlines
Deal found 3/16$930
This American Airlines deal was found by Cheapflights users on 3/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2912:27 pm
STL
-
SCL
2 stops17h 38m
American Airlines
Wed 5/68:35 pm
SCL
-
STL
2 stops17h 47m
American Airlines
Deal found 3/14$940
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 4/2712:27 pm
STL
-
SCL
2 stops17h 38m
American Airlines
Mon 5/48:35 pm
SCL
-
STL
1 stop14h 41m
American Airlines
Deal found 3/13$944
This Orbitz deal was found by Cheapflights users on 3/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:30 pm
STL
-
SCL
1 stop16h 45m
LATAM Airlines
Wed 11/412:10 am
SCL
-
STL
1 stop13h 38m
LATAM Airlines
Deal found 3/17$946
This LATAM Airlines deal was found by Cheapflights users on 3/14. 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.
Wed 4/291:03 pm
STL
-
SCL
3 stops23h 22m
LATAM Airlines
Wed 5/611:05 pm
SCL
-
STL
2 stops19h 51m
LATAM Airlines
Deal found 3/14$953
This Delta deal was found by Cheapflights users on 3/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:41 pm
STL
-
SCL
1 stop13h 34m
Delta
Mon 4/208:40 pm
SCL
-
STL
1 stop12h 50m
Delta
Deal found 3/16$958
This Billigflug deal was found by Cheapflights users on 3/14. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:42 am
STL
-
IPC
3 stops25h 33m
LATAM Airlines
Wed 5/63:05 pm
IPC
-
STL
3 stops31h 54m
LATAM Airlines
Deal found 3/14$3,087
This Billigflug deal was found by Cheapflights users on 3/15. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:41 pm
STL
-
IPC
3 stops45h 44m
LATAM Airlines
Thu 5/74:20 pm
IPC
-
STL
3 stops30h 39m
LATAM Airlines
Deal found 3/15$6,302
This Billigflug deal was found by Cheapflights users on 3/15. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:50 pm
STL
-
IPC
3 stops43h 35m
Multiple Airlines
Thu 5/72:20 pm
IPC
-
STL
2 stops25h 45m
Multiple Airlines
Deal found 3/15$6,392

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 March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$825
(KAYAK)

Popular in

January

Cheapest in

March

Average price

$833
Provider with most accurate pricing for Lambert-St Louis-Santiago Arturo Merino Benitez flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Santiago Arturo Merino Benitez flights.
From Lambert-St Louis to Chile
Highest demand for flights based on searches. 16% potential increase in price ($206 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($66 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 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 March 17, 2026.
Use the filters below to find and compare flights from St. Louis to Chile that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 4/27

12:27 pm-7:05 am

2 stops17h 38m

Santiago Arturo Merino Benitez

Mon 5/4

8:35 pm-10:16 am

1 stop14h 41m

$944

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 4/29

1:03 pm-1:25 pm

3 stops23h 22m

Santiago Arturo Merino Benitez

Wed 5/6

11:05 pm-5:56 pm

2 stops19h 51m

$953

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 4/27

1:02 pm-7:15 am

1 stop17h 13m

Santiago Arturo Merino Benitez

Mon 5/4

8:40 pm-5:44 pm

1 stop22h 04m

$958

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 4/29

11:06 am-7:05 am

1 stop18h 59m

Santiago Arturo Merino Benitez

Wed 5/6

8:35 pm-10:16 am

1 stop14h 41m

$958

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Tue 9/8

10:55 am-2:05 pm

2 stops25h 10m

Santiago Arturo Merino Benitez

Wed 9/30

12:35 pm-11:27 pm

3 stops36h 52m

$975

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 4/27

4:41 pm-1:25 pm

3 stops19h 44m

Santiago Arturo Merino Benitez

Mon 5/4

11:00 pm-5:44 pm

2 stops19h 44m

$1,005

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 5/20

11:06 am-7:05 am

1 stop18h 59m

Santiago Arturo Merino Benitez

Sun 5/24

8:35 pm-10:34 am

1 stop14h 59m

$1,023

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Sat 8/8

11:48 am-6:50 am

1 stop18h 02m

Santiago Arturo Merino Benitez

Sat 8/15

8:30 pm-10:58 am

1 stop15h 28m

$1,025

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Fri 7/3

11:51 am-7:15 am

1 stop18h 24m

Santiago Arturo Merino Benitez

Sat 7/11

11:05 pm-11:38 pm

2 stops25h 33m

$1,109

St. LouisEaster Island

STL - IPC

STLIPC

Lambert-St Louis

Wed 4/29

4:41 pm-2:45 pm

2 stops23h 04m

Easter Island Mataveri Intl

Wed 5/6

3:05 pm-11:59 pm

3 stops31h 54m

$3,184

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 12 resultsSorted by cheapest first
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, March is the cheapest month in which you can book a flight from St. Louis to Chile (average of $549). Flying from St. Louis to Chile in June is currently the most expensive (average of $989). 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 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 March 17, 2026.
Peruse reviews from past customers who have flown with Delta,LATAM Airlines, andAmerican 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.

Food

7.2

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

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

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

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

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

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

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

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 17h 07m. 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, March is the cheapest month in which you can book a flight from St. Louis to Chile (average of $549). Flying from St. Louis to Chile in June is currently the most expensive (average of $989). 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

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Top 3 airlines flying from St. Louis to Chile

Discover the top 3 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 March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$611Average$1,003FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$689Average$898FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$803Average$898FlexibilityNo cancel feeOn-time81%

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