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$764+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SCL
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$764
(LATAM Airlines)

Popular in

December

Cheapest in

October

Average price

$922
Provider with most accurate pricing for Lambert-St Louis-Santiago Arturo Merino Benitez flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Santiago Arturo Merino Benitez flights.
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From Lambert-St Louis to Chile
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This LATAM Airlines deal was found by Cheapflights users on 3/30. 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 5/143:40 pmSTL - SCL
1 stop14h 20mLATAM Airlines
Wed 5/214:55 pmSCL - STL
2 stops20h 09mLATAM Airlines
Deal found 3/30$764
This American Airlines deal was found by Cheapflights users on 3/30. 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 5/1410:31 amSTL - SCL
2 stops19h 24mAmerican Airlines
Wed 5/219:00 pmSCL - STL
2 stops18h 55mAmerican Airlines
Deal found 3/30$768
This Delta deal was found by Cheapflights users on 3/30. 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 4/210:19 amSTL - SCL
1 stop19h 41mDelta
Wed 4/97:50 amSCL - STL
2 stops16h 39mDelta
Deal found 3/30$824
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/25:15 pmSTL - SCL
3 stops34h 20mMultiple Airlines
Fri 8/11:55 amSCL - STL
2 stops17h 37mMultiple Airlines
Deal found 3/31$1,071
This AranGrant deal was found by Cheapflights users on 3/30. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/28:25 amSTL - SCL
2 stops18h 50mAvianca
Fri 5/165:55 amSCL - STL
2 stops29h 03mAvianca
Deal found 3/30$3,163
This business-class.com deal was found by Cheapflights users on 3/31. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/28:00 amSTL - SCL
2 stops20h 04mCopa Airlines
Thu 5/152:24 amSCL - STL
2 stops17h 59mCopa Airlines
Deal found 3/31$5,375

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 31, 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 5/14

3:40 pm-7:00 am

1 stop14h 20m

Santiago Arturo Merino Benitez

Wed 5/21

4:55 pm-12:04 pm

2 stops20h 09m

$764

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 5/14

10:31 am-6:55 am

2 stops19h 24m

Santiago Arturo Merino Benitez

Wed 5/21

9:00 pm-2:55 pm

2 stops18h 55m

$768

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Fri 5/16

3:40 pm-10:30 am

2 stops17h 50m

Santiago Arturo Merino Benitez

Fri 5/23

4:55 pm-2:35 pm

2 stops22h 40m

$844

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Fri 5/2

5:15 pm-4:35 am

3 stops34h 20m

Santiago Arturo Merino Benitez

Fri 8/1

1:55 am-6:32 pm

2 stops17h 37m

$1,071

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Fri 5/2

8:25 am-4:15 am

2 stops18h 50m

Santiago Arturo Merino Benitez

Fri 5/16

5:55 am-9:58 am

2 stops29h 03m

$3,163

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Fri 5/2

8:00 am-5:04 am

2 stops20h 04m

Santiago Arturo Merino Benitez

Thu 5/15

2:24 am-7:23 pm

2 stops17h 59m

$5,375

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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 March 31, 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 March 31, 2025.
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.6
Good
1,400 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,754 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Avianca
6.7
Okay
2,301 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$742Average$1,022FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$762Average$1,007FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$823Average$1,000FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$883Average$1,002FlexibilityNo cancel feeOn-time69%
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