Chile

$326+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SCL
Jun 17 — Jun 241
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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 June 12, 2025.

Round-trip from

$843
(SmartFares)

One-way from

$326
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,019
From Lambert-St Louis to Chile
One-way flight from Lambert-St Louis to Chile
Highest demand for flights based on searches. 5% potential increase in price ($58 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 June 12, 2025.

This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/109:00 amSTL - SCL
1 stop19h 00mLATAM Airlines
Sun 11/232:30 pmSCL - STL
2 stops36h 09mLATAM Airlines
Deal found 6/11$843
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/102:40 pmSTL - SCL
2 stops15h 25mAmerican Airlines
Sun 11/2310:15 pmSCL - STL
2 stops16h 42mAmerican Airlines
Deal found 6/10$848
This LATAM Airlines 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/188:25 amSTL - SCL
3 stops32h 10mMultiple Airlines
Mon 8/253:40 pmSCL - STL
2 stops31h 22mMultiple Airlines
Deal found 6/11$874
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/13:30 pmSTL - SCL
1 stop13h 30mDelta
Fri 11/2112:30 amSCL - STL
2 stops20h 32mDelta
Deal found 6/10$884
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/278:15 amSTL - SCL
2 stops19h 49mCopa Airlines
Sat 8/212:12 amSCL - STL
2 stops19h 48mCopa Airlines
Deal found 6/12$1,453

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 June 12, 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

Mon 11/10

9:00 am-7:00 am

1 stop19h 00m

Santiago Arturo Merino Benitez

Sun 11/23

2:30 pm-11:39 pm

2 stops36h 09m

$843

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 11/10

2:40 pm-9:05 am

2 stops15h 25m

Santiago Arturo Merino Benitez

Sun 11/23

10:15 pm-11:57 am

2 stops16h 42m

$848

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 8/18

8:25 am-5:35 pm

3 stops32h 10m

Santiago Arturo Merino Benitez

Mon 8/25

3:40 pm-10:02 pm

2 stops31h 22m

$874

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Sat 11/1

3:30 pm-7:00 am

1 stop13h 30m

Santiago Arturo Merino Benitez

Fri 11/21

12:30 am-6:02 pm

2 stops20h 32m

$884

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Sun 7/27

8:15 am-5:04 am

2 stops19h 49m

Santiago Arturo Merino Benitez

Sat 8/2

12:12 am-7:00 pm

2 stops19h 48m

$1,453

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Tue 7/8

5:40 pm-10:30 pm

3 stops51h 50m

$326

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Tue 7/15

1:29 pm-6:30 am

2 stops16h 01m

$537

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Tue 7/15

9:27 am-7:00 am

1 stop20h 33m

$543

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Thu 6/26

5:25 am-7:00 am

1 stop24h 35m

$683

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Sun 6/22

8:10 am-7:50 am

3 stops46h 40m

$2,055

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 12, 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.

Rainfall in Chile by month

Plan your trip to Chile by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chile ranges from 0.0 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Chile when rainfall is around 0.0 in.

Temperature in Chile by month

Plan your trip to Chile by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chile, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 46.4 F).

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 June 12, 2025.
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
8.0
Very good
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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.

  • What are the cheapest airlines to fly from St. Louis to Chile one-way?

    $537 is the cheapest one-way deal found within the past few days, from LATAM Airlines. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $543 and $683, respectively.

  • 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

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.

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$742Average$1,026FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$762Average$986FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$822Average$992FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$883Average$1,002FlexibilityNo cancel feeOn-time69%

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