HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chile

$384+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SCL
Mar 26 — Apr 21
Wed 3/26
Wed 4/2
1 adult, Economy
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 March 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$808
(Delta)

One-way from

$384
(Copa 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.
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. 2% potential increase in price ($25 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 March 2025
Search Deals

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 21, 2025.

This LATAM Airlines deal was found by Cheapflights users on 3/21. 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 10/13:30 pmSTL - SCL
1 stop14h 30mLATAM Airlines
Wed 10/88:45 amSCL - STL
2 stops16h 54mLATAM Airlines
Deal found 3/21$804
This Delta deal was found by Cheapflights users on 3/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2210:45 amSTL - SCL
2 stops19h 05mDelta
Thu 7/318:40 pmSCL - STL
1 stop18h 55mDelta
Deal found 3/19$808
This American Airlines deal was found by Cheapflights users on 3/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/225:00 amSTL - SCL
1 stop25h 05mAmerican Airlines
Tue 7/299:55 pmSCL - STL
1 stop27h 04mAmerican Airlines
Deal found 3/19$926
This LATAM Airlines deal was found by Cheapflights users on 3/20. 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.
Tue 6/38:25 amSTL - SCL
3 stops20h 15mMultiple Airlines
Mon 6/93:40 pmSCL - STL
2 stops32h 59mMultiple Airlines
Deal found 3/20$1,124
This Justfly.com deal was found by Cheapflights users on 3/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/239:15 amSTL - SCL
2 stops27h 10mAir Canada
Tue 7/2911:55 pmSCL - STL
2 stops20h 45mAir Canada
Deal found 3/19$1,422
This StudentUniverse deal was found by Cheapflights users on 3/19. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/228:25 amSTL - SCL
2 stops19h 39mCopa Airlines
Mon 7/282:23 amSCL - STL
2 stops32h 25mCopa Airlines
Deal found 3/19$1,719
This AranGrant deal was found by Cheapflights users on 3/21. 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 stops28h 00mAvianca
Fri 5/162:30 pmSCL - STL
2 stops20h 28mAvianca
Deal found 3/21$3,503

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 21, 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 4/2

10:19 am-4:30 am

2 stops16h 11m

Santiago Arturo Merino Benitez

Wed 4/9

8:40 pm-3:37 pm

1 stop19h 57m

$824

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 5/5

6:20 pm-6:55 am

1 stop11h 35m

Santiago Arturo Merino Benitez

Thu 5/29

9:00 pm-5:29 pm

1 stop21h 29m

$949

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 5/5

7:01 pm-2:00 pm

2 stops17h 59m

Santiago Arturo Merino Benitez

Wed 5/28

12:30 am-6:01 pm

2 stops18h 31m

$1,024

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Tue 6/3

8:25 am-5:40 am

3 stops20h 15m

Santiago Arturo Merino Benitez

Mon 6/9

3:40 pm-11:39 pm

2 stops32h 59m

$1,124

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Fri 5/2

8:25 am-1:25 pm

2 stops28h 00m

Santiago Arturo Merino Benitez

Fri 5/16

2:30 pm-9:58 am

2 stops20h 28m

$3,503

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Fri 5/2

8:25 am-5:04 am

2 stops19h 39m

Santiago Arturo Merino Benitez

Thu 5/15

12:13 am-7:23 pm

2 stops20h 10m

$5,375

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 6/2

8:10 am-5:04 am

2 stops19h 54m

$384

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 6/4

5:45 pm-4:35 am

2 stops33h 50m

$386

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 6/2

3:40 pm-7:00 am

1 stop14h 20m

$543

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Sat 5/31

7:05 am-7:00 am

1 stop22h 55m

$620

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

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 21, 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 21, 2025.
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Entertainment

7.9

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
7,895 reviews
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Entertainment

7.9

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
7,895 reviews

Overall

8.0

Entertainment

7.9

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
1,750 reviews
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Entertainment

7.9

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
7,895 reviews

Overall

8.0

Entertainment

7.9

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.
Air Canada
7.0
Good
8,914 reviews
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Entertainment

7.9

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.

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

    $384 is the cheapest one-way deal found within the past few days, from Copa Airlines. You may also be able to find cheap deals on Delta and LATAM Airlines, with prices starting from $543 and $620, 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

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.
St. Louis to Lima flights
Kansas City to Bogotá flights
Springfield to Jose Maria Cordova Intl flights
Kansas City to Jose Maria Cordova Intl flights
Kansas City to Quito flights
St. Louis to Jose Maria Cordova Intl flights
Kansas City to Guayaquil flights
St. Louis to Santiago flights
Kansas City to Lima flights
St. Louis to Bogotá flights
St. Louis to Rio de Janeiro–Galeão Intl flights
Kansas City to Ministro Pistarini flights
Kansas City to Cali flights
Kansas City to Barranquilla flights
St. Louis to Ministro Pistarini flights
Kansas City to Rio de Janeiro–Galeão Intl flights
Kansas City to Florianopolis flights
St. Louis to Jorge Newbery flights
St. Louis to Santos Dumont flights
Kansas City to Jorge Newbery flights
St. Louis to Cartagena flights
St. Louis to Guarulhos Intl flights
Kansas City to Cartagena flights
Kansas City to Santos Dumont flights
Kansas City to Santiago flights
Kansas City to Cuzco flights
Joplin to Bogotá flights
Kansas City to Montevideo flights
St. Louis to Quito flights
Kansas City to Guarulhos Intl flights
Springfield to Santiago flights
St. Louis to Baltra flights
St. Louis to Cuzco flights
Kansas City to Caracas flights
Kansas City to Belo Horizonte flights
Kansas City to Cordoba flights
Kansas City to Asuncion flights
Kansas City to Recife flights
St. Louis to Easter Island flights
St. Louis to Guayaquil flights
St. Louis to Santa Cruz de la Sierra flights
Cape Girardeau to Lima flights
St. Louis to La Paz flights
St. Louis to Maracaibo flights

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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$742Average$1,039FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$762Average$1,027FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$822Average$996FlexibilityNo 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.