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Chile

$311+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SCL
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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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 October 16, 2025.

This LATAM Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 11/273:15 pmSTL - SCL
1 stop13h 25mLATAM Airlines
Mon 12/810:35 amSCL - STL
2 stops16h 05mLATAM Airlines
Deal found 10/14$753
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2411:39 amSTL - SCL
2 stops16h 21mDelta
Mon 12/811:10 pmSCL - STL
1 stop14h 35mDelta
Deal found 10/14$756
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:10 amSTL - SCL
1 stop18h 40mUnited Airlines
Mon 12/1510:45 pmSCL - STL
1 stop20h 19mUnited Airlines
Deal found 10/15$764
This LATAM Airlines deal was found by Cheapflights users on 10/14. 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.
Mon 11/246:00 amSTL - SCL
2 stops20h 50mLATAM Airlines
Sun 12/74:35 amSCL - STL
2 stops22h 05mLATAM Airlines
Deal found 10/14$765
This LATAM Airlines deal was found by Cheapflights users on 10/14. 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.
Sun 11/305:17 pmSTL - SCL
3 stops25h 18mLATAM Airlines
Sun 12/74:35 amSCL - STL
2 stops22h 05mLATAM Airlines
Deal found 10/14$770
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/291:55 pmSTL - SCL
1 stop14h 45mDelta
Wed 12/108:15 amSCL - STL
2 stops16h 42mDelta
Deal found 10/14$797
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:30 amSTL - SCL
1 stop19h 10mDelta
Sun 12/2111:30 pmSCL - STL
1 stop20h 29mDelta
Deal found 10/14$804
This LATAM Airlines deal was found by Cheapflights users on 10/14. 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.
Mon 11/242:00 pmSTL - SCL
1 stop14h 40mLATAM Airlines
Sat 12/61:40 pmSCL - STL
2 stops24h 05mLATAM Airlines
Deal found 10/14$806
This American Airlines deal was found by Cheapflights users on 10/16. 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.
Thu 10/3012:51 pmSTL - SCL
2 stops18h 04mAmerican Airlines
Sun 11/210:25 pmSCL - STL
2 stops18h 15mAmerican Airlines
Deal found 10/16$809
This LATAM Airlines deal was found by Cheapflights users on 10/14. 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.
Sun 11/309:33 amSTL - SCL
3 stops33h 02mLATAM Airlines
Sat 12/610:25 pmSCL - STL
2 stops28h 15mLATAM Airlines
Deal found 10/14$811
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:00 amSTL - IPC
2 stops31h 50mDelta
Wed 12/172:30 pmIPC - STL
2 stops23h 32mDelta
Deal found 10/15$5,334
This LATAM Airlines deal was found by Cheapflights users on 10/16. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/138:00 amSTL - IPC
2 stops29h 50mLATAM Airlines
Wed 12/172:30 pmIPC - STL
2 stops21h 15mLATAM Airlines
Deal found 10/16$5,632

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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$755
(United Airlines)

One-way from

$311
(Trip.com)

Popular in

December

Cheapest in

July

Average price

$1,003
Provider with most accurate pricing for Lambert-St Louis-Santiago Arturo Merino Benitez flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Santiago Arturo Merino Benitez flights.
Search Deals
From Lambert-St Louis to Chile
Search Deals
One-way flight from Lambert-St Louis to Chile
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 16, 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

Wed 3/11

4:35 pm-7:50 am

1 stop13h 15m

Santiago Arturo Merino Benitez

Mon 3/23

9:45 pm-3:54 pm

1 stop20h 09m

$755

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 11/24

11:39 am-7:00 am

2 stops16h 21m

Santiago Arturo Merino Benitez

Mon 12/8

11:10 pm-10:45 am

1 stop14h 35m

$756

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 11/24

11:39 am-7:00 am

2 stops16h 21m

Santiago Arturo Merino Benitez

Wed 12/10

11:25 pm-1:02 pm

2 stops16h 37m

$756

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 11/24

7:05 am-5:50 am

2 stops19h 45m

Santiago Arturo Merino Benitez

Tue 12/9

11:10 pm-10:45 am

1 stop14h 35m

$756

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Sun 11/30

7:02 pm-7:40 am

1 stop33h 38m

Santiago Arturo Merino Benitez

Tue 12/9

4:35 am-9:57 pm

2 stops20h 22m

$756

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 11/26

5:17 pm-2:05 pm

2 stops17h 48m

Santiago Arturo Merino Benitez

Wed 12/10

11:25 pm-1:02 pm

2 stops16h 37m

$756

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Tue 11/25

9:33 am-7:40 am

1 stop19h 07m

Santiago Arturo Merino Benitez

Mon 12/8

9:30 pm-10:45 am

1 stop16h 15m

$756

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 11/26

1:55 pm-7:40 am

1 stop14h 45m

Santiago Arturo Merino Benitez

Mon 12/8

8:15 am-11:40 pm

2 stops18h 25m

$756

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 11/26

11:39 am-7:40 am

1 stop17h 01m

Santiago Arturo Merino Benitez

Thu 12/11

11:10 pm-10:45 am

1 stop14h 35m

$756

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-1:02 pm

2 stops23h 32m

$5,334

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 17 results
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, December is the cheapest month in which you can book a flight from St. Louis to Chile (average of $552). Flying from St. Louis to Chile in October is currently the most expensive (average of $924). 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 October 16, 2025.

It’s optimal to fly from St. Louis to Chile in the evening. By choosing this option you can save up to 53% on the cost of your flight, compared to a flight in the afternoon.

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 October 16, 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
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
LATAM Airlines
7.5
Good
1,866 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,982 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,040 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 13h 15m. 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, December is the cheapest month in which you can book a flight from St. Louis to Chile (average of $552). Flying from St. Louis to Chile in October is currently the most expensive (average of $924). 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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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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$762Average$926FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$803Average$992FlexibilityNo cancel feeOn-time71%
DeltaCheapest$848Average$1,013FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$883Average$1,047FlexibilityNo cancel feeOn-time69%

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