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.

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).

What is the cheapest time of day to fly from CL to STL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chile to St. Louis as you normally would.

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.

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.

$322+ Flights from Chile to St. Louis

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Cheap 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 December 18, 2025.

Thu 12/259:30 pmSCL - STL

1 stop14h 28mLATAM Airlines

Mon 12/296:00 amSTL - SCL

1 stop22h 40mLATAM Airlines

Deal found 12/17

$764

Fri 12/269:30 pmSCL - STL

1 stop21h 58mDelta

Sun 1/43:41 pmSTL - SCL

1 stop12h 59mDelta

Deal found 12/15

$835

Fri 12/2610:45 pmSCL - STL

2 stops18h 41mUnited Airlines

Sun 1/411:05 amSTL - SCL

2 stops18h 45mUnited Airlines

Deal found 12/15

$845

Thu 12/2510:45 pmSCL - STL

2 stops20h 42mUnited Airlines

Mon 12/2911:05 amSTL - SCL

2 stops18h 45mUnited Airlines

Deal found 12/15

$964

Fri 12/268:25 amSCL - STL

3 stops31h 02mMultiple Airlines

Sun 1/411:51 amSTL - SCL

2 stops23h 49mMultiple Airlines

Deal found 12/15

$1,392

Last-minute flights from Chile to St. Louis
Discover last-minute flight deals from Chile to St. Louis. Data last updated December 18, 2025 and is based on user searches.

Thu 12/259:30 pmSCL - STL

1 stop14h 28mLATAM Airlines

Mon 12/296:00 amSTL - SCL

1 stop22h 40mLATAM Airlines

Deal found 12/17

$764

Thu 12/2510:45 pmSCL - STL

2 stops20h 42mUnited Airlines

Mon 12/2911:05 amSTL - SCL

2 stops18h 45mUnited Airlines

Deal found 12/15

$964

Fri 12/269:30 pmSCL - STL

1 stop21h 58mDelta

Sun 1/43:41 pmSTL - SCL

1 stop12h 59mDelta

Deal found 12/15

$835

Fri 12/2610:45 pmSCL - STL

1 stop14h 04mUnited Airlines

Sun 1/46:30 amSTL - SCL

2 stops23h 20mUnited Airlines

Deal found 12/15

$845

Fri 12/268:25 amSCL - STL

3 stops31h 02mMultiple Airlines

Sun 1/411:51 amSTL - SCL

2 stops23h 49mMultiple Airlines

Deal found 12/15

$1,392

One-way flights from Chile to St. Louis
Search for one-way flight options from Chile to St. Louis. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Mon 1/265:50 amSCL - STL

3 stops52h 01mMultiple Airlines

Deal found 12/15

$322

Wed 3/119:05 pmSCL - STL

3 stops42h 29mMultiple Airlines

Deal found 12/17

$448

Wed 3/117:55 pmSCL - STL

1 stop21h 34mAir Canada

Deal found 12/17

$498

Mon 1/269:30 pmSCL - STL

1 stop17h 24mDelta

Deal found 12/15

$577

Tue 1/2011:10 pmSCL - STL

1 stop15h 44mDelta

Deal found 12/16

$956

Tue 1/204:15 pmSCL - STL

2 stops19h 38mLATAM Airlines

Deal found 12/16

$962

Wed 1/216:40 amSCL - STL

2 stops38h 10mLATAM Airlines

Deal found 12/16

$977

Wed 1/2111:10 pmSCL - STL

1 stop18h 39mDelta

Deal found 12/16

$1,160

Wed 1/214:35 amSCL - STL

3 stops32h 04mMultiple Airlines

Deal found 12/16

$1,874

Find flight deals from Chile to St. Louis

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Popular in	March
Cheapest in	August
Average price	$795

Provider with most accurate pricing for Santiago Arturo Merino Benitez-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Santiago Arturo Merino Benitez-Lambert-St Louis flights.

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($107 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Mon 1/26

5:50 am-6:51 am

3 stops52h 01m

$322

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 3/11

9:05 pm-1:34 pm

3 stops42h 29m

$448

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Mon 1/26

9:30 pm-11:54 am

1 stop17h 24m

$577

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Thu 1/22

11:10 pm-8:37 pm

1 stop24h 27m

$956

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Tue 1/20

11:10 pm-11:54 am

1 stop15h 44m

$956

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Tue 1/20

4:15 pm-8:53 am

2 stops19h 38m

$962

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 1/21

6:40 am-5:50 pm

2 stops38h 10m

$977

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 1/21

11:10 pm-2:49 pm

1 stop18h 39m

$1,160

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 1/21

4:35 am-9:39 am

3 stops32h 04m

$1,874

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Mon 1/19

1:16 am-11:54 am

3 stops37h 38m

$2,697

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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.

Cheapflights Insights

Everything you need to know about your flight from Chile to St. Louis

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing St. Louis

See what other customers who have flown with Delta and American Airlines from Chile to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,004 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,004 reviews

Delta

7.9

Good

8,004 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,055 reviews

Delta

7.9

Good

8,004 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

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.
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.

See more FAQs

Edwardsville

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Alton

Farmington

Festus

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Top 2 airlines flying from Chile to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$877	Average$1,065	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$948	Average$1,150	FlexibilityNo cancel fee	On-time71%

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$322+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Chile to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Chile to St. Louis

Cheapest flights from Chile to St. LouisExplore 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 December 18, 2025.

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 December 18, 2025.

Find 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 December 18, 2025.

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Everything you need to know about your flight from Chile to St. Louis

Reviews of airlines servicing St. Louis

See what other customers who have flown with Delta and American Airlines from Chile to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

Traveling to a place near St. Louis?

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 Chile to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Chile to St. Louis

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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 December 18, 2025.