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Cheap flights from Chile to St. Louis from $456

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 7/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Chile to St. Louis

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

Enter your travel dates to find the best prices.
LATAM Airlines Logo
7:55 pm - 12:34 pm
SCL
-
STL
17h 39m
2 stops
LATAM Airlines Logo
1:22 pm - 6:55 am
STL
-
SCL
16h 33m
2 stops
$855LATAM Airlines
Wed, Jul 1 - Wed, Jul 8
LATAM Airlines Logo
8:40 pm - 9:43 am
SCL
-
STL
14h 03m
1 stop
LATAM Airlines Logo
11:00 am - 3:00 pm
STL
-
SCL
27h 00m
2 stops
$862LATAM Airlines
Wed, Jul 15 - Wed, Aug 5
Delta Logo
8:40 pm - 11:56 pm
SCL
-
STL
28h 16m
1 stop
Delta Logo
6:00 am - 7:15 am
STL
-
SCL
24h 15m
1 stop
$866Delta
Wed, Jul 1 - Wed, Jul 8
LATAM Airlines Logo
1:30 pm - 12:34 pm
SCL
-
STL
24h 04m
2 stops
LATAM Airlines Logo
1:22 pm - 7:15 am
STL
-
SCL
16h 53m
1 stop
$869LATAM Airlines
Wed, Jul 1 - Wed, Jul 8
Delta Logo
8:40 pm - 11:56 pm
SCL
-
STL
28h 16m
1 stop
Delta Logo
7:08 am - 7:15 am
STL
-
SCL
23h 07m
1 stop
$870Delta
Tue, Jun 30 - Tue, Jul 14
LATAM Airlines Logo
12:35 pm - 12:17 pm
SCL
-
STL
24h 42m
2 stops
LATAM Airlines Logo
6:00 am - 3:00 pm
STL
-
SCL
32h 00m
2 stops
$871LATAM Airlines
Wed, Jul 15 - Wed, Aug 5
LATAM Airlines Logo
7:55 pm - 12:34 pm
SCL
-
STL
17h 39m
2 stops
LATAM Airlines Logo
3:58 pm - 1:25 pm
STL
-
SCL
20h 27m
2 stops
$873LATAM Airlines
Wed, Jul 1 - Tue, Jul 14
LATAM Airlines Logo
4:30 pm - 6:07 pm
SCL
-
STL
26h 37m
2 stops
LATAM Airlines Logo
6:00 am - 5:25 am
STL
-
SCL
22h 25m
2 stops
$879LATAM Airlines
Tue, Jun 30 - Mon, Jul 13
LATAM Airlines Logo
8:40 pm - 5:53 pm
SCL
-
STL
22h 13m
1 stop
LATAM Airlines Logo
6:00 am - 3:00 pm
STL
-
SCL
32h 00m
2 stops
$881LATAM Airlines
Wed, Jul 22 - Wed, Jul 29
LATAM Airlines Logo
4:50 pm - 12:34 pm
SCL
-
STL
20h 44m
2 stops
LATAM Airlines Logo
6:00 am - 6:00 am
STL
-
SCL
23h 00m
2 stops
$883LATAM Airlines
Wed, Jul 1 - Wed, Jul 8

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American Airlines flights from Chile to St. Louis

Our best American Airlines deals on Chile to St. Louis flight tickets
American Airlines
Sep 5
SCL8:50 pmSantiago Arturo Merino Benitez
14h 55m
1 stop
STL10:45 amLambert-St Louis
Sep 26
STL11:01 amLambert-St Louis
19h 49m
2 stops
SCL8:50 amSantiago Arturo Merino Benitez
$1,005
American Airlines
Sep 5
SCL8:50 pmSantiago Arturo Merino Benitez
26h 50m
1 stop
STL10:40 pmLambert-St Louis
Sep 26
STL5:10 pmLambert-St Louis
13h 40m
1 stop
SCL8:50 amSantiago Arturo Merino Benitez
$1,014
American Airlines
Sep 5
SCL8:50 pmSantiago Arturo Merino Benitez
26h 50m
1 stop
STL10:40 pmLambert-St Louis
Sep 26
STL5:10 pmLambert-St Louis
13h 40m
1 stop
SCL8:50 amSantiago Arturo Merino Benitez
$1,022

Delta flights from Chile to St. Louis

Our best Delta deals on Chile to St. Louis flight tickets
Delta
Jul 1
SCL8:40 pmSantiago Arturo Merino Benitez
28h 16m
1 stop
STL11:56 pmLambert-St Louis
Jul 8
STL6:00 amLambert-St Louis
24h 15m
1 stop
SCL7:15 amSantiago Arturo Merino Benitez
$866
Delta
Jun 30
SCL8:40 pmSantiago Arturo Merino Benitez
28h 16m
1 stop
STL11:56 pmLambert-St Louis
Jul 14
STL7:08 amLambert-St Louis
23h 07m
1 stop
SCL7:15 amSantiago Arturo Merino Benitez
$870
Delta
Jul 1
SCL7:55 pmSantiago Arturo Merino Benitez
19h 57m
2 stops
STL2:52 pmLambert-St Louis
Jul 8
STL7:08 amLambert-St Louis
21h 52m
2 stops
SCL6:00 amSantiago Arturo Merino Benitez
$888

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 June 21, 2026.
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

Cheapest round-trip
Quickest round-trip

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/1

7:55 pm-12:34 pm

2 stops17h 39m

Lambert-St Louis

Wed 7/8

1:22 pm-6:55 am

2 stops16h 33m

$855

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/15

8:40 pm-9:43 am

1 stop14h 03m

Lambert-St Louis

Wed 8/5

11:00 am-3:00 pm

2 stops27h 00m

$862

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/1

8:40 pm-11:56 pm

1 stop28h 16m

Lambert-St Louis

Wed 7/8

6:00 am-7:15 am

1 stop24h 15m

$866

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/1

1:30 pm-12:34 pm

2 stops24h 04m

Lambert-St Louis

Wed 7/8

1:22 pm-7:15 am

1 stop16h 53m

$869

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Tue 6/30

8:40 pm-11:56 pm

1 stop28h 16m

Lambert-St Louis

Tue 7/14

7:08 am-7:15 am

1 stop23h 07m

$870

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/15

12:35 pm-12:17 pm

2 stops24h 42m

Lambert-St Louis

Wed 8/5

6:00 am-3:00 pm

2 stops32h 00m

$871

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/1

7:55 pm-12:34 pm

2 stops17h 39m

Lambert-St Louis

Tue 7/14

3:58 pm-1:25 pm

2 stops20h 27m

$873

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Tue 6/30

4:30 pm-6:07 pm

2 stops26h 37m

Lambert-St Louis

Mon 7/13

6:00 am-5:25 am

2 stops22h 25m

$879

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/22

8:40 pm-5:53 pm

1 stop22h 13m

Lambert-St Louis

Wed 7/29

6:00 am-3:00 pm

2 stops32h 00m

$881

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/1

4:50 pm-12:34 pm

2 stops20h 44m

Lambert-St Louis

Wed 7/8

6:00 am-6:00 am

2 stops23h 00m

$883

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 month to fly to St. Louis?

In general, March is the cheapest month to fly from Chile to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $743. The month of December is another great option to travel to St. Louis, with average flight prices from Chile averaging around $795.

Can stopping save me money on Chile to St. Louis flights?

You could potentially save up to 32% on your flight if you consider stops on a Chile to St. Louis flight.

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

Fastest flight time

17h 39m

Direct flights

None
The fastest flight from Chile to St. Louis takes 17h 39m
There are no direct flights from Chile to St. Louis. There are no popular flight routes from Chile to St. Louis.
Search flight deals

Frequently asked questions about flying from Chile to St. Louis

  • 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 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.

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
O'Fallon
Collinsville
St. Peters
Alton
Wentzville
Farmington
Fenton
Clayton
Festus
Eureka
Litchfield
Edwardsville
Grafton
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.

An easier way to manage your St. Louis trip

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