Chile

$804+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SCL
Feb 25 — Mar 41
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Chile with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$804

Popular in

December

Cheapest in

October

Average price

$1,183
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. 5% potential increase in price ($62 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Average for round-trip flights in February 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 February 20, 2025.

This deal was found by Cheapflights users on 2/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/303:30 pmSTL - SCL
1 stop14h 30mDelta
Thu 8/78:40 pmSCL - STL
1 stop16h 44mDelta
Deal found 2/19$804
This American Airlines deal was found by Cheapflights users on 2/20. 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 11/11:54 pmSTL - SCL
1 stop15h 56mAmerican Airlines
Sat 11/2211:45 pmSCL - STL
2 stops19h 21mAmerican Airlines
Deal found 2/20$888
This LATAM Airlines deal was found by Cheapflights users on 2/20. 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 11/13:30 pmSTL - SCL
1 stop13h 30mLATAM Airlines
Fri 11/2112:30 amSCL - STL
2 stops20h 33mLATAM Airlines
Deal found 2/20$919
This eDestinos deal was found by Cheapflights users on 2/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/75:24 pmSTL - SCL
1 stop34h 36mMultiple Airlines
Fri 3/146:00 amSCL - STL
2 stops34h 43mMultiple Airlines
Deal found 2/19$1,045
This United deal was found by Cheapflights users on 2/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1210:55 amSTL - SCL
1 stop18h 55mUnited Airlines
Sun 3/239:45 pmSCL - STL
1 stop19h 31mUnited Airlines
Deal found 2/20$1,294
This StudentUniverse deal was found by Cheapflights users on 2/18. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/510:29 amSTL - IPC
3 stops27h 21mLATAM Airlines
Sat 4/124:20 pmIPC - STL
3 stops30h 10mLATAM Airlines
Deal found 2/18$2,905
This business-class.com deal was found by Cheapflights users on 2/20. 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 5/1512:13 amSCL - STL
2 stops20h 22mCopa Airlines
Deal found 2/20$5,375

Find flights from St. Louis to Chile within your budget

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 February 20, 2025.

Fly from

St. Louis

Fly to

Chile

Route

Depart

Return

Price

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 7/30

3:30 pm-7:00 am

1 stop14h 30m

Santiago Arturo Merino Benitez

Thu 8/7

8:40 pm-12:24 pm

1 stop16h 44m

$804

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Fri 3/7

5:24 pm-7:00 am

1 stop34h 36m

Santiago Arturo Merino Benitez

Fri 3/14

6:00 am-2:43 pm

2 stops34h 43m

$1,045

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 3/12

10:19 am-6:20 am

1 stop18h 01m

Santiago Arturo Merino Benitez

Sat 3/22

10:00 am-11:31 pm

2 stops15h 31m

$1,208

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 3/12

10:55 am-7:50 am

1 stop18h 55m

Santiago Arturo Merino Benitez

Sun 3/23

9:45 pm-3:16 pm

1 stop19h 31m

$1,294

St. LouisEaster Island

STL - IPC

STLIPC

Lambert-St Louis

Sat 4/5

10:29 am-1:50 pm

3 stops27h 21m

Easter Island Mataveri Intl

Sat 4/12

4:20 pm-11:30 pm

3 stops30h 10m

$2,905

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Fri 5/2

6:09 pm-6:55 am

1 stop11h 46m

Santiago Arturo Merino Benitez

Fri 5/16

9:55 pm-5:29 pm

1 stop20h 34m

$5,354

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

12:13 am-7:35 pm

2 stops20h 22m

$5,375

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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.

Travel insights for flights from St. Louis to Chile

Get recent, data-driven insights about flights from St. Louis to Chile including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 2025.
8.0
Very good

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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.

8.0
Very good
8.0
Very good

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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.

8.0
Very good

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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.

8.0
Very good

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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.

8.0
Very good

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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.

8.0
Very good

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$706Average$1,049FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$762Average$1,019FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$808Average$947FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$883Average$1,002FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.