Chile

$369+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SCL
Jul 16 — Jul 231
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

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 16, 2026.

This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:35 am
STL
-
SCL
1 stop17h 50m
American Airlines
Sun 9/69:50 pm
SCL
-
STL
1 stop14h 55m
American Airlines
Deal found 6/11$947
This Delta deal was found by Cheapflights users on 6/14. 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.
Tue 6/2310:51 am
STL
-
SCL
1 stop19h 24m
Delta
Tue 7/77:55 pm
SCL
-
STL
2 stops22h 58m
Delta
Deal found 6/14$957
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:52 pm
STL
-
SCL
3 stops23h 33m
LATAM Airlines
Mon 9/711:05 pm
SCL
-
STL
2 stops20h 57m
LATAM Airlines
Deal found 6/11$972
This Expedia deal was found by Cheapflights users on 6/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:51 am
STL
-
SCL
1 stop19h 24m
LATAM Airlines
Sun 7/1911:05 pm
SCL
-
STL
2 stops19h 48m
LATAM Airlines
Deal found 6/15$983
This Delta deal was found by Cheapflights users on 6/15. 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.
Mon 7/131:22 pm
STL
-
SCL
1 stop16h 53m
Delta
Sun 7/198:40 pm
SCL
-
STL
1 stop16h 37m
Delta
Deal found 6/15$987
This eDestinos deal was found by Cheapflights users on 6/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:08 pm
STL
-
SCL
3 stops41h 52m
Multiple Airlines
Tue 7/711:22 am
SCL
-
STL
2 stops37h 37m
Multiple Airlines
Deal found 6/14$988
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:24 am
STL
-
SCL
2 stops19h 36m
Delta
Sun 7/1910:30 am
SCL
-
STL
2 stops24h 13m
Delta
Deal found 6/11$992
This KAYAK deal was found by Cheapflights users on 6/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/171:22 pm
STL
-
SCL
1 stop16h 53m
LATAM Airlines
Tue 7/218:40 pm
SCL
-
STL
1 stop14h 03m
LATAM Airlines
Deal found 6/14$997
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:58 pm
STL
-
SCL
2 stops34h 02m
LATAM Airlines
Mon 8/178:30 am
SCL
-
STL
3 stops26h 24m
LATAM Airlines
Deal found 6/12$1,001
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
STL
-
SCL
3 stops30h 25m
LATAM Airlines
Sun 9/611:00 pm
SCL
-
STL
2 stops20h 53m
LATAM Airlines
Deal found 6/11$1,002

Find 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 16, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$947
(American Airlines)

One-way from

$369
(Kiwi.com)

Popular in

January

Cheapest in

March

Average price

$1,595
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
One-way flight from Lambert-St Louis to Chile
Highest demand for flights based on searches. 13% potential increase in price ($168 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($66 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 16, 2026.
Use the filters below to find and compare flights from St. Louis to Chile that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Tue 9/1

9:32 am-6:25 am

2 stops19h 53m

Santiago Arturo Merino Benitez

Sun 9/6

9:50 pm-5:01 pm

2 stops21h 11m

$952

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 9/2

10:22 am-7:05 am

2 stops19h 43m

Santiago Arturo Merino Benitez

Mon 9/7

9:50 pm-4:50 pm

2 stops21h 00m

$952

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Tue 9/1

6:00 am-1:25 pm

3 stops30h 25m

Santiago Arturo Merino Benitez

Sun 9/6

11:05 pm-11:58 pm

2 stops26h 53m

$972

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 9/2

12:52 pm-1:25 pm

3 stops23h 33m

Santiago Arturo Merino Benitez

Mon 9/7

11:00 pm-11:37 pm

2 stops26h 37m

$972
Quickest round-trip

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 7/13

1:22 pm-7:15 am

1 stop16h 53m

Santiago Arturo Merino Benitez

Sun 7/19

8:40 pm-12:17 pm

1 stop16h 37m

$987
Cheapest one-way

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 7/13

4:57 pm-5:14 am

3 stops35h 17m

$369
Quickest one-way

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 8/24

12:55 pm-7:05 am

2 stops17h 10m

$633

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 7/13

11:00 am-7:00 am

1 stop19h 00m

$633

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 8/24

11:00 am-6:55 am

2 stops18h 55m

$638

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Sorted by cheapest first

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, March is the cheapest month in which you can book a flight from St. Louis to Chile (average of $472). Flying from St. Louis to Chile in June is currently the most expensive (average of $1,122). 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.

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 16, 2026.
Peruse reviews from past customers who have flown with Delta,LATAM Airlines, andAmerican 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.

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 19h 53m. There are 5137 mi between St. Louis and Chile.

  • 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, March is the cheapest month in which you can book a flight from St. Louis to Chile (average of $472). Flying from St. Louis to Chile in June is currently the most expensive (average of $1,122). 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.

Top 3 airlines flying from St. Louis to Chile

Discover the top 3 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 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$574Average$894FlexibilityNo cancel feeOn-time71%
DeltaCheapest$611Average$1,112FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$792Average$908FlexibilityNo cancel feeOn-time81%

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.