Cheap flights from Chile to St. Louis from $617

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chile to St. Louis departing on 11/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chile to St. Louis

Recent round-trip flight deals from Chile to St. Louis

Delta Logo
9:40 pm - 9:15 pmSCL-STL
25h 35m1 stop
Delta Logo
7:10 am - 7:00 amSTL-SCL
21h 50m1 stop
$775Delta
Find Deal
Wed, Sep 17 - Wed, Sep 24
Delta Logo
11:40 pm - 4:40 pmSCL-STL
20h 00m1 stop
Delta Logo
11:51 am - 7:00 amSTL-SCL
16h 09m1 stop
$784Delta
Find Deal
Thu, Nov 13 - Mon, Nov 17
Delta Logo
12:55 am - 6:02 pmSCL-STL
20h 07m2 stops
Delta Logo
1:30 pm - 7:00 amSTL-SCL
14h 30m2 stops
$788Delta
Find Deal
Wed, Nov 12 - Mon, Nov 17
LATAM Airlines Logo
12:25 am - 7:05 pmSCL-STL
20h 40m2 stops
LATAM Airlines Logo
5:11 pm - 1:20 pmSTL-SCL
18h 09m2 stops
$840LATAM Airlines
Find Deal
Tue, Sep 16 - Wed, Sep 24
Delta Logo
9:40 pm - 8:44 amSCL-STL
13h 04m1 stop
Delta Logo
9:19 am - 6:30 amSTL-SCL
19h 11m2 stops
$855Delta
Find Deal
Fri, Sep 19 - Fri, Sep 26
LATAM Airlines Logo
12:25 am - 9:15 pmSCL-STL
22h 50m2 stops
LATAM Airlines Logo
6:42 pm - 3:00 pmSTL-SCL
18h 18m2 stops
$870LATAM Airlines
Find Deal
Thu, Sep 18 - Fri, Sep 26
LATAM Airlines Logo
12:25 am - 5:47 pmSCL-STL
19h 22m2 stops
LATAM Airlines Logo
3:36 pm - 7:00 amSTL-SCL
13h 24m1 stop
$999LATAM Airlines
Find Deal
Thu, Sep 18 - Fri, Sep 26
 Logo
8:50 am - 3:18 pmSCL-STL
32h 28m3 stops
 Logo
9:15 am - 2:30 pmSTL-SCL
27h 15m2 stops
$1,361
Find Deal
Fri, Sep 19 - Fri, Sep 26
 Logo
8:10 am - 3:18 pmSCL-STL
33h 08m3 stops
 Logo
9:15 am - 2:25 pmSTL-SCL
27h 10m3 stops
$1,428
Find Deal
Fri, Sep 19 - Fri, Sep 26
 Logo
12:55 am - 7:38 pmSCL-STL
20h 43m2 stops
 Logo
9:15 am - 2:25 pmSTL-SCL
27h 10m3 stops
$2,135
Find Deal
Thu, Sep 18 - Fri, Sep 26

LATAM Airlines flights from Chile to St. Louis

Our best LATAM Airlines deals on Chile to St. Louis flight tickets
LATAM Airlines
Sep 16
SCL12:25 amSantiago Arturo Merino Benitez
20h 40m
2 stops
STL7:05 pmLambert-St Louis
Sep 24
STL5:11 pmLambert-St Louis
18h 09m
2 stops
SCL1:20 pmSantiago Arturo Merino Benitez
LATAM Airlines
Sep 18
SCL12:25 amSantiago Arturo Merino Benitez
22h 50m
2 stops
STL9:15 pmLambert-St Louis
Sep 26
STL6:42 pmLambert-St Louis
18h 18m
2 stops
SCL3:00 pmSantiago Arturo Merino Benitez
LATAM Airlines
Sep 18
SCL12:25 amSantiago Arturo Merino Benitez
19h 22m
2 stops
STL5:47 pmLambert-St Louis
Sep 26
STL3:36 pmLambert-St Louis
13h 24m
1 stop
SCL7:00 amSantiago Arturo Merino Benitez

Delta flights from Chile to St. Louis

Our best Delta deals on Chile to St. Louis flight tickets
Delta
Sep 17
SCL9:40 pmSantiago Arturo Merino Benitez
25h 35m
1 stop
STL9:15 pmLambert-St Louis
Sep 24
STL7:10 amLambert-St Louis
21h 50m
1 stop
SCL7:00 amSantiago Arturo Merino Benitez
Delta
Nov 13
SCL11:40 pmSantiago Arturo Merino Benitez
20h 00m
1 stop
STL4:40 pmLambert-St Louis
Nov 17
STL11:51 amLambert-St Louis
16h 09m
1 stop
SCL7:00 amSantiago Arturo Merino Benitez
Delta
Nov 12
SCL12:55 amSantiago Arturo Merino Benitez
20h 07m
2 stops
STL6:02 pmLambert-St Louis
Nov 17
STL1:30 pmLambert-St Louis
14h 30m
2 stops
SCL7:00 amSantiago Arturo Merino Benitez

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated August 5, 2025.
Use the filters below to find and compare flights from Chile to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 9/17

9:40 pm-9:15 pm

1 stop25h 35m

Lambert-St Louis

Wed 9/24

7:10 am-7:00 am

1 stop21h 50m

$775

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Thu 11/13

11:40 pm-4:40 pm

1 stop20h 00m

Lambert-St Louis

Mon 11/17

11:51 am-7:00 am

1 stop16h 09m

$784

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 11/12

12:55 am-6:02 pm

2 stops20h 07m

Lambert-St Louis

Mon 11/17

1:30 pm-7:00 am

2 stops14h 30m

$788

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Tue 9/16

12:25 am-7:05 pm

2 stops20h 40m

Lambert-St Louis

Wed 9/24

5:11 pm-1:20 pm

2 stops18h 09m

$840

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Fri 9/19

9:40 pm-8:44 am

1 stop13h 04m

Lambert-St Louis

Fri 9/26

9:19 am-6:30 am

2 stops19h 11m

$855

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Thu 9/18

12:25 am-9:15 pm

2 stops22h 50m

Lambert-St Louis

Fri 9/26

6:42 pm-3:00 pm

2 stops18h 18m

$870

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Thu 9/18

12:25 am-5:47 pm

2 stops19h 22m

Lambert-St Louis

Fri 9/26

3:36 pm-7:00 am

1 stop13h 24m

$999

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Fri 9/19

8:50 am-3:18 pm

3 stops32h 28m

Lambert-St Louis

Fri 9/26

9:15 am-2:30 pm

2 stops27h 15m

$1,361

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Fri 9/19

8:10 am-3:18 pm

3 stops33h 08m

Lambert-St Louis

Fri 9/26

9:15 am-2:25 pm

3 stops27h 10m

$1,428

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Thu 9/18

12:55 am-7:38 pm

2 stops20h 43m

Lambert-St Louis

Fri 9/26

9:15 am-2:25 pm

3 stops27h 10m

$2,135

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Chile to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $780. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,051. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

Cheap Chile to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chile to St. Louis

Best Price Found

$617

Fastest flight time

13h 04m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Chile in the past 72 hours is $617. The best round-trip flight deal from Chile to St. Louis found on momondo in the last 72 hours is $775.
The fastest flight from Chile to St. Louis takes 13h 04m
There are no direct flights from Chile to St. Louis. Popular non-direct route for this connection is Santiago Arturo Merino Benitez Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • When did momondo last update prices for flights from Chile to Lambert-St Louis Airport?

    Prices for flights from Chile to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Chile to Lambert-St Louis Airport?

  • How old do you have to be to fly from Chile to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chile to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Best airlines flying from Chile to St. Louis

Compare and see reviews for airlines that fly from Chile to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $782Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $925Free CancellationRating
8.0
7,985 reviews
Search Delta flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Maryland Heights
Florissant
Fenton
O'Fallon
Collinsville
Alton
Wentzville
St. Peters
Farmington
Festus
Glencoe
Eureka
Edwardsville
Clayton
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Chile to St. Louis?

Finding the right flight to St. Louis from Chile is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

Can I find flights from Chile to St. Louis with flexible booking policies on momondo?

Flights from Chile to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chile to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Chile.

I’m not ready to book a flight from Chile to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Chile. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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