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Cheap flights from Chile to St. Louis from $938

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chile to St. Louis departing on 5/4. 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
0 bags

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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
11:00 pm - 5:44 pm
SCL
-
STL
19h 44m
2 stops
LATAM Airlines Logo
1:27 pm - 6:55 am
STL
-
SCL
16h 28m
2 stops
$938LATAM Airlines
Mon, May 4 - Mon, May 11
LATAM Airlines Logo
11:00 pm - 5:46 pm
SCL
-
STL
19h 46m
2 stops
LATAM Airlines Logo
5:15 pm - 7:15 am
STL
-
SCL
13h 00m
1 stop
$942LATAM Airlines
Mon, May 18 - Mon, May 25
Delta Logo
8:40 pm - 5:44 pm
SCL
-
STL
22h 04m
1 stop
Delta Logo
9:15 am - 7:15 am
STL
-
SCL
21h 00m
1 stop
$949Delta
Mon, May 4 - Mon, May 11
LATAM Airlines Logo
11:05 pm - 5:44 pm
SCL
-
STL
19h 39m
2 stops
LATAM Airlines Logo
10:49 am - 10:49 am
STL
-
SCL
23h 00m
3 stops
$954LATAM Airlines
Mon, May 4 - Mon, May 11
LATAM Airlines Logo
8:40 pm - 12:22 pm
SCL
-
STL
16h 42m
1 stop
LATAM Airlines Logo
5:15 pm - 7:15 am
STL
-
SCL
13h 00m
1 stop
$958LATAM Airlines
Mon, May 18 - Mon, May 25
American Airlines Logo
8:30 pm - 10:53 pm
SCL
-
STL
27h 23m
1 stop
American Airlines Logo
11:48 am - 6:50 am
STL
-
SCL
18h 02m
1 stop
$964American Airlines
Wed, Jul 15 - Wed, Aug 5
American Airlines Logo
8:30 pm - 10:24 am
SCL
-
STL
14h 54m
1 stop
American Airlines Logo
1:37 pm - 6:50 am
STL
-
SCL
16h 13m
2 stops
$968American Airlines
Wed, Jul 15 - Wed, Aug 5
American Airlines Logo
8:30 pm - 10:53 pm
SCL
-
STL
27h 23m
1 stop
American Airlines Logo
5:18 am - 6:50 am
STL
-
SCL
24h 32m
1 stop
$971American Airlines
Wed, Jul 15 - Wed, Aug 5
American Airlines Logo
8:30 pm - 10:53 pm
SCL
-
STL
27h 23m
1 stop
American Airlines Logo
5:18 am - 6:50 am
STL
-
SCL
24h 32m
1 stop
$972American Airlines
Wed, Jul 15 - Wed, Aug 5
American Airlines Logo
8:30 pm - 10:53 pm
SCL
-
STL
27h 23m
1 stop
American Airlines Logo
11:48 am - 6:50 am
STL
-
SCL
18h 02m
1 stop
$974American Airlines
Wed, Jul 15 - Wed, Aug 5

Delta flights from Chile to St. Louis

Our best Delta deals on Chile to St. Louis flight tickets
Delta
May 4
SCL8:40 pmSantiago Arturo Merino Benitez
22h 04m
1 stop
STL5:44 pmLambert-St Louis
May 11
STL9:15 amLambert-St Louis
21h 00m
1 stop
SCL7:15 amSantiago Arturo Merino Benitez
$949
Delta
Jul 1
SCL10:55 pmSantiago Arturo Merino Benitez
22h 36m
2 stops
STL8:31 pmLambert-St Louis
Jul 8
STL11:51 amLambert-St Louis
17h 59m
2 stops
SCL6:50 amSantiago Arturo Merino Benitez
$1,016
Delta
Jun 3
SCL11:00 pmSantiago Arturo Merino Benitez
18h 10m
2 stops
STL4:10 pmLambert-St Louis
Jul 15
STL11:51 amLambert-St Louis
17h 09m
2 stops
SCL6:00 amSantiago Arturo Merino Benitez
$1,036

American Airlines flights from Chile to St. Louis

Our best American Airlines deals on Chile to St. Louis flight tickets
American Airlines
Jul 15
SCL8:30 pmSantiago Arturo Merino Benitez
27h 23m
1 stop
STL10:53 pmLambert-St Louis
Aug 5
STL11:48 amLambert-St Louis
18h 02m
1 stop
SCL6:50 amSantiago Arturo Merino Benitez
$964
American Airlines
Jul 15
SCL8:30 pmSantiago Arturo Merino Benitez
14h 54m
1 stop
STL10:24 amLambert-St Louis
Aug 5
STL1:37 pmLambert-St Louis
16h 13m
2 stops
SCL6:50 amSantiago Arturo Merino Benitez
$968
American Airlines
Jul 15
SCL8:30 pmSantiago Arturo Merino Benitez
27h 23m
1 stop
STL10:53 pmLambert-St Louis
Aug 5
STL5:18 amLambert-St Louis
24h 32m
1 stop
SCL6:50 amSantiago Arturo Merino Benitez
$971

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 March 22, 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

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Mon 5/4

11:00 pm-5:44 pm

2 stops19h 44m

Lambert-St Louis

Mon 5/11

1:27 pm-6:55 am

2 stops16h 28m

$938

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Mon 5/18

11:00 pm-5:46 pm

2 stops19h 46m

Lambert-St Louis

Mon 5/25

5:15 pm-7:15 am

1 stop13h 00m

$942

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Mon 5/4

8:40 pm-5:44 pm

1 stop22h 04m

Lambert-St Louis

Mon 5/11

9:15 am-7:15 am

1 stop21h 00m

$949

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Mon 5/4

11:05 pm-5:44 pm

2 stops19h 39m

Lambert-St Louis

Mon 5/11

10:49 am-10:49 am

3 stops23h 00m

$954
Quickest round-trip

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Mon 5/18

8:40 pm-12:22 pm

1 stop16h 42m

Lambert-St Louis

Mon 5/25

5:15 pm-7:15 am

1 stop13h 00m

$958

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/15

8:30 pm-10:53 pm

1 stop27h 23m

Lambert-St Louis

Wed 8/5

11:48 am-6:50 am

1 stop18h 02m

$964

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/15

8:30 pm-10:24 am

1 stop14h 54m

Lambert-St Louis

Wed 8/5

1:37 pm-6:50 am

2 stops16h 13m

$968

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/15

8:30 pm-10:53 pm

1 stop27h 23m

Lambert-St Louis

Wed 8/5

5:18 am-6:50 am

1 stop24h 32m

$971

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/15

8:30 pm-10:53 pm

1 stop27h 23m

Lambert-St Louis

Wed 8/5

5:18 am-6:50 am

1 stop24h 32m

$972

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/15

8:30 pm-10:53 pm

1 stop27h 23m

Lambert-St Louis

Wed 8/5

11:48 am-6:50 am

1 stop18h 02m

$974

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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, December 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 $795. The month of August is another great option to travel to St. Louis, with average flight prices from Chile averaging around $840.

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

19h 10m

Direct flights

None
The fastest flight from Chile to St. Louis takes 19h 10m
There are no direct flights from Chile to St. Louis. There are no popular flight routes from Chile to St. Louis.
Search flight deals

  • 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
DeltaPriceFrom $542Free CancellationRating
7.9
8,314 reviews
Search Delta flights
American AirlinesPriceFrom $948Free CancellationRating
7.1
11,489 reviews
Search American Airlines 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
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Collinsville
St. Peters
Wentzville
Alton
Fenton
Farmington
Clayton
Festus
Edwardsville
Eureka
Litchfield
Shrewsbury
Grafton

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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