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St. Louis

$622+ Cheap flights from Chile to St. Louis (STL)

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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — STL
Mar 9 — Mar 161
Sun 3/9
Sun 3/16
1 adult, Economy
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Cheap flight deals from Chile to St. Louis

Keep the following information in mind while searching for Chile to St. Louis flight deals. Data was last updated March 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,013
(Delta)

One-way from

$622
(Copa Airlines)

Popular in

March

Cheapest in

November

Average price

$1,243
Provider with most accurate pricing for Santiago Arturo Merino Benitez-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Santiago Arturo Merino Benitez-Lambert-St Louis flights.
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From Chile to Lambert-St Louis
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One-way flight from Chile to Lambert-St Louis
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Highest demand for flights based on searches. 5% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 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 Chile to St. Louis

Cheapest flights from Chile to St. Louis
Explore the most affordable flight options available from Chile to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 4, 2025.

This Air Canada deal was found by Cheapflights users on 3/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/134:05 pmSCL - STL
2 stops49h 01mMultiple Airlines
Mon 3/243:50 pmSTL - SCL
1 stop18h 30mMultiple Airlines
Deal found 3/4$893
This Delta deal was found by Cheapflights users on 3/3. 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 5/158:40 pmSCL - STL
1 stop18h 55mDelta
Fri 5/2310:05 amSTL - SCL
2 stops19h 45mDelta
Deal found 3/3$1,013
This LATAM Airlines deal was found by Cheapflights users on 3/3. 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 5/1412:30 amSCL - STL
3 stops24h 08mLATAM Airlines
Fri 5/236:00 amSTL - SCL
3 stops24h 00mLATAM Airlines
Deal found 3/3$1,026
This United Airlines deal was found by Cheapflights users on 3/4. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/139:45 pmSCL - STL
1 stop25h 04mUnited Airlines
Mon 3/244:33 pmSTL - SCL
1 stop13h 17mUnited Airlines
Deal found 3/4$1,239

Find flights from Chile to St. Louis within your budget

Customize your flight search to find flights from Chile to St. Louis 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 4, 2025.

Fly from

Chile

Fly to

St. Louis

Route

Depart

Return

Price

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Thu 5/15

8:40 pm-2:35 pm

1 stop18h 55m

Lambert-St Louis

Fri 5/23

10:05 am-6:50 am

2 stops19h 45m

$1,013

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 5/14

12:30 am-11:38 pm

3 stops24h 08m

Lambert-St Louis

Fri 5/23

6:00 am-7:00 am

3 stops24h 00m

$1,026

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Thu 3/13

3:32 am-10:08 am

2 stops32h 36m

$622

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Thu 3/13

12:45 am-3:06 pm

2 stops40h 21m

$681

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Fri 3/14

9:45 pm-8:49 pm

1 stop25h 04m

$697

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Fri 3/14

8:40 am-12:00 pm

3 stops29h 20m

$775

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Best time to book a flight from Chile to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Chile 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 Chile to St. Louis

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

What is the cheapest month to book a flight from Chile to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Chile to St. Louis (average of $311). Flying from Chile to St. Louis in March is currently the most expensive (average of $356). 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.

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated March 4, 2025.
Delta
8.0
Very good
8,061 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,061 reviews
Delta
8.0
Very good
8,061 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Copa Airlines
7.6
Good
1,458 reviews
Delta
8.0
Very good
8,061 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LATAM Airlines
7.5
Good
1,759 reviews
Delta
8.0
Very good
8,061 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,678 reviews
Delta
8.0
Very good
8,061 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada
7.0
Good
8,832 reviews
Delta
8.0
Very good
8,061 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Chile to St. Louis. 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 into for flights to St. Louis from Chile?

    Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to St. Louis from Chile.

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

    To fly one-way, consider booking your trip with Copa Airlines, which is currently one of the cheapest options available, starting at $622. Air Canada flights start at $681 while deals on United Airlines start at $697 one-way.

  • Can I find deals for flights from Chile to St. Louis that include hotel bookings?

    Yes. In addition to deals on Chile to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chile to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chile to St. Louis.

  • Can I find deals for business class flights from Chile to St. Louis?

    Yes. Cheapflights offers flight deals from Chile to St. Louis 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 Chile to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Chile to St. Louis (average of $311). Flying from Chile to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near Chile?

Book flights to Chile if you plan to visit one of these locations
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Alton
Farmington
Chesterfield

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Top 2 airlines flying from Chile to St. Louis

Discover the top 2 airlines that operate flights from Chile to St. Louis. 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 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$672Average$876FlexibilityNo cancel feeOn-time71%
DeltaCheapest$843Average$1,093FlexibilityNo cancel feeOn-timeN/A
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