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Chile

$405+ Cheap flights from St. Louis (STL) to Chile

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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SCL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$784
(Delta)

One-way from

$405
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$908
From Lambert-St Louis to Chile
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One-way flight from Lambert-St Louis to Chile
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Highest demand for flights based on searches. 6% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 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 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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/11. 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.
Thu 11/2711:04 amSTL - SCL
2 stops16h 31mDelta
Mon 12/86:30 pmSCL - STL
2 stops21h 30mDelta
Deal found 9/11$784
This LATAM Airlines deal was found by Cheapflights users on 9/10. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/273:15 pmSTL - SCL
2 stops19h 50mLATAM Airlines
Mon 12/87:15 amSCL - STL
3 stops19h 26mLATAM Airlines
Deal found 9/10$788
This Delta deal was found by Cheapflights users on 9/11. 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 11/15:15 pmSTL - SCL
2 stops20h 15mDelta
Sat 11/228:20 amSCL - STL
2 stops16h 38mDelta
Deal found 9/11$864
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/48:50 amSTL - SCL
2 stops21h 05mAmerican Airlines
Sat 10/119:55 pmSCL - STL
2 stops15h 57mAmerican Airlines
Deal found 9/10$868
This LATAM Airlines deal was found by Cheapflights users on 9/10. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:30 amSTL - SCL
2 stops17h 05mLATAM Airlines
Sun 12/1412:25 amSCL - STL
2 stops20h 32mLATAM Airlines
Deal found 9/10$888
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/45:11 pmSTL - SCL
2 stops18h 09mLATAM Airlines
Fri 10/1012:10 amSCL - STL
2 stops23h 54mLATAM Airlines
Deal found 9/10$914
This LATAM Airlines deal was found by Cheapflights users on 9/10. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:52 amSTL - SCL
1 stop18h 48mLATAM Airlines
Tue 1/610:15 pmSCL - STL
2 stops28h 25mLATAM Airlines
Deal found 9/10$949
This LATAM Airlines deal was found by Cheapflights users on 9/10. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:52 amSTL - SCL
1 stop18h 48mLATAM Airlines
Sun 1/114:40 pmSCL - STL
2 stops28h 24mLATAM Airlines
Deal found 9/10$1,049
This LATAM Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 12/136:00 amSTL - IPC
2 stops31h 50mLATAM Airlines
Wed 12/172:30 pmIPC - STL
2 stops21h 11mLATAM Airlines
Deal found 9/9$4,059

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 September 11, 2025.
Use the filters below to find and compare flights from St. Louis to Chile that are best for you.

Fly from

St. Louis

Fly to

Chile

Route

Depart

Return

Price

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Thu 11/27

6:00 am-6:35 am

2 stops21h 35m

Santiago Arturo Merino Benitez

Mon 12/8

9:30 pm-8:25 am

1 stop13h 55m

$784

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Thu 12/11

5:12 pm-7:40 am

1 stop11h 28m

Santiago Arturo Merino Benitez

Mon 12/15

6:30 pm-10:41 am

2 stops19h 11m

$784

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Thu 11/27

7:05 am-7:40 am

1 stop21h 35m

Santiago Arturo Merino Benitez

Mon 12/8

9:30 pm-8:25 am

1 stop13h 55m

$784

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 3/9

11:51 am-4:30 am

2 stops14h 39m

Santiago Arturo Merino Benitez

Thu 3/19

12:25 am-11:40 pm

2 stops25h 15m

$844

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 3/9

4:00 pm-7:00 am

1 stop13h 00m

Santiago Arturo Merino Benitez

Fri 3/20

5:15 am-11:40 pm

2 stops20h 25m

$844

St. LouisEaster Island

STL - IPC

STLIPC

Lambert-St Louis

Sat 12/13

6:00 am-2:50 pm

2 stops31h 50m

Easter Island Mataveri Intl

Wed 12/17

2:30 pm-10:41 am

2 stops21h 11m

$4,059

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Sun 2/1

12:20 pm-2:40 pm

3 stops47h 20m

$405

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Sun 2/1

4:05 pm-12:15 pm

1 stop17h 10m

$430

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Thu 1/15

10:42 am-10:15 pm

3 stops32h 33m

$433

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Tue 12/30

4:05 pm-7:00 am

2 stops59h 55m

$450

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 13 results
1
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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, April is the cheapest month in which you can book a flight from St. Louis to Chile (average of $752). Flying from St. Louis to Chile in December is currently the most expensive (average of $1,098). 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.

What is the cheapest time of day to fly from STL to CL?

Find hourly flight availability from St. Louis to Chile. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from St. Louis to Chile, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 11, 2025.
Peruse reviews from past customers who have flown with Delta, LATAM Airlines, and United 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.
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,847 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 11h 28m. 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, April is the cheapest month in which you can book a flight from St. Louis to Chile (average of $752). Flying from St. Louis to Chile in December is currently the most expensive (average of $1,098). 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

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Alternative routes for St. Louis to Chile

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from St. Louis to Chile

Discover the top 4 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$742Average$1,003FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$762Average$2,609FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$823Average$992FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$883Average$1,047FlexibilityNo cancel feeOn-time69%

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