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Cheap flights from Chile to St. Louis from $333

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 4/3. 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
12:40 am - 6:02 pm
SCL
-
STL
18h 22m
2 stops
LATAM Airlines Logo
1:30 pm - 6:55 am
STL
-
SCL
16h 25m
2 stops
$800LATAM Airlines
Tue, Jul 14 - Wed, Aug 5
LATAM Airlines Logo
12:40 am - 6:02 pm
SCL
-
STL
18h 22m
2 stops
LATAM Airlines Logo
1:30 pm - 6:55 am
STL
-
SCL
16h 25m
2 stops
$801LATAM Airlines
Tue, Jul 14 - Wed, Aug 5
Delta Logo
8:40 pm - 2:38 pm
SCL
-
STL
18h 58m
1 stop
Delta Logo
5:30 pm - 7:15 am
STL
-
SCL
12h 45m
1 stop
$816Delta
Wed, Jul 15 - Wed, Aug 5
American Airlines Logo
8:30 pm - 10:45 pm
SCL
-
STL
27h 15m
1 stop
American Airlines Logo
5:18 am - 6:50 am
STL
-
SCL
24h 32m
1 stop
$828American Airlines
Wed, Jul 15 - Wed, Aug 5
LATAM Airlines Logo
11:05 pm - 11:38 pm
SCL
-
STL
25h 33m
2 stops
LATAM Airlines Logo
6:00 am - 6:00 am
STL
-
SCL
23h 00m
2 stops
$831LATAM Airlines
Wed, Jul 1 - Wed, Jul 8
American Airlines Logo
8:30 pm - 10:45 pm
SCL
-
STL
27h 15m
1 stop
American Airlines Logo
10:24 am - 6:50 am
STL
-
SCL
19h 26m
2 stops
$832American Airlines
Wed, Jul 15 - Wed, Aug 5
Delta Logo
10:55 pm - 4:40 pm
SCL
-
STL
18h 45m
1 stop
Delta Logo
11:51 am - 6:50 am
STL
-
SCL
17h 59m
2 stops
$836Delta
Sat, May 30 - Thu, Jul 2
LATAM Airlines Logo
11:05 pm - 8:07 am
SCL
-
STL
34h 02m
2 stops
LATAM Airlines Logo
6:00 am - 6:00 am
STL
-
SCL
23h 00m
2 stops
$848LATAM Airlines
Wed, Jul 1 - Wed, Jul 8
Delta Logo
11:10 pm - 11:02 am
SCL
-
STL
14h 52m
1 stop
Delta Logo
6:00 am - 5:35 am
STL
-
SCL
20h 35m
2 stops
$849Delta
Wed, Feb 25 - Wed, Mar 4
LATAM Airlines Logo
11:05 pm - 8:07 am
SCL
-
STL
34h 02m
2 stops
LATAM Airlines Logo
6:00 am - 6:00 am
STL
-
SCL
23h 00m
2 stops
$851LATAM Airlines
Wed, Jul 1 - Wed, Jul 8

LATAM Airlines flights from Chile to St. Louis

Our best LATAM Airlines deals on Chile to St. Louis flight tickets
LATAM Airlines
Jul 14
SCL12:40 amSantiago Arturo Merino Benitez
18h 22m
2 stops
STL6:02 pmLambert-St Louis
Aug 5
STL1:30 pmLambert-St Louis
16h 25m
2 stops
SCL6:55 amSantiago Arturo Merino Benitez
$800
LATAM Airlines
Jul 14
SCL12:40 amSantiago Arturo Merino Benitez
18h 22m
2 stops
STL6:02 pmLambert-St Louis
Aug 5
STL1:30 pmLambert-St Louis
16h 25m
2 stops
SCL6:55 amSantiago Arturo Merino Benitez
$817
LATAM Airlines
Jul 1
SCL11:05 pmSantiago Arturo Merino Benitez
34h 02m
2 stops
STL8:07 amLambert-St Louis
Jul 8
STL6:00 amLambert-St Louis
23h 00m
2 stops
SCL6:00 amSantiago Arturo Merino Benitez
$848

Delta flights from Chile to St. Louis

Our best Delta deals on Chile to St. Louis flight tickets
Delta
Jul 15
SCL11:05 pmSantiago Arturo Merino Benitez
19h 57m
2 stops
STL6:02 pmLambert-St Louis
Aug 5
STL1:30 pmLambert-St Louis
16h 45m
1 stop
SCL7:15 amSantiago Arturo Merino Benitez
$816
Delta
Feb 26
SCL11:10 pmSantiago Arturo Merino Benitez
12h 56m
1 stop
STL9:06 amLambert-St Louis
Mar 9
STL10:12 amLambert-St Louis
19h 28m
1 stop
SCL7:40 amSantiago Arturo Merino Benitez
$849
Delta
Feb 26
SCL12:10 amSantiago Arturo Merino Benitez
20h 32m
2 stops
STL5:42 pmLambert-St Louis
Mar 9
STL7:03 amLambert-St Louis
21h 42m
2 stops
SCL6:45 amSantiago Arturo Merino Benitez
$889

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 January 29, 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

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Tue 7/14

12:40 am-6:02 pm

2 stops18h 22m

Lambert-St Louis

Wed 8/5

1:30 pm-6:55 am

2 stops16h 25m

$800

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Tue 7/14

12:40 am-6:02 pm

2 stops18h 22m

Lambert-St Louis

Wed 8/5

1:30 pm-6:55 am

2 stops16h 25m

$801

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/15

8:40 pm-2:38 pm

1 stop18h 58m

Lambert-St Louis

Wed 8/5

5:30 pm-7:15 am

1 stop12h 45m

$816

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/15

8:30 pm-10:45 pm

1 stop27h 15m

Lambert-St Louis

Wed 8/5

5:18 am-6:50 am

1 stop24h 32m

$828

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/1

11:05 pm-11:38 pm

2 stops25h 33m

Lambert-St Louis

Wed 7/8

6:00 am-6:00 am

2 stops23h 00m

$831

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/15

8:30 pm-10:45 pm

1 stop27h 15m

Lambert-St Louis

Wed 8/5

10:24 am-6:50 am

2 stops19h 26m

$832

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Sat 5/30

10:55 pm-4:40 pm

1 stop18h 45m

Lambert-St Louis

Thu 7/2

11:51 am-6:50 am

2 stops17h 59m

$836

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/1

11:05 pm-8:07 am

2 stops34h 02m

Lambert-St Louis

Wed 7/8

6:00 am-6:00 am

2 stops23h 00m

$848

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 2/25

11:10 pm-11:02 am

1 stop14h 52m

Lambert-St Louis

Wed 3/4

6:00 am-5:35 am

2 stops20h 35m

$849

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 7/1

11:05 pm-8:07 am

2 stops34h 02m

Lambert-St Louis

Wed 7/8

6:00 am-6:00 am

2 stops23h 00m

$851

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 month to fly to St. Louis?

In general, August 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 $777. The month of December is another great option to travel to St. Louis, with average flight prices from Chile averaging around $795.

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

12h 55m

Direct flights

None
The fastest flight from Chile to St. Louis takes 12h 55m
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 $877Free CancellationRating
7.9
8,128 reviews
Search Delta flights
American AirlinesPriceFrom $948Free CancellationRating
7.2
11,205 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
Maryland Heights
Florissant
O'Fallon
Collinsville
Fenton
St. Peters
Wentzville
Alton
Farmington
Clayton
Edwardsville
Eureka
Festus
Glencoe
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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