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Cheap flights from Chile to St. Louis from $471

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 1/7. 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

Enter your travel dates to find the best prices.
United Airlines Logo
10:45 pm - 3:50 pmSCL-STL
20h 05m1 stop
United Airlines Logo
4:35 pm - 8:50 amSTL-SCL
13h 15m1 stop
$761United Airlines
Find Deal
Thu, Nov 6 - Tue, Nov 11
Delta Logo
6:30 pm - 10:43 amSCL-STL
19h 13m2 stops
Delta Logo
5:17 pm - 2:05 pmSTL-SCL
17h 48m2 stops
$764Delta
Find Deal
Thu, Nov 13 - Mon, Nov 17
LATAM Airlines Logo
10:25 pm - 9:57 pmSCL-STL
26h 32m2 stops
LATAM Airlines Logo
2:02 pm - 6:10 amSTL-SCL
13h 08m1 stop
$847LATAM Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
LATAM Airlines Logo
11:10 pm - 10:45 amSCL-STL
14h 35m1 stop
LATAM Airlines Logo
2:02 pm - 6:10 amSTL-SCL
13h 08m1 stop
$886LATAM Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Air Canada Logo
8:55 pm - 3:29 pmSCL-STL
21h 34m1 stop
Air Canada Logo
4:05 pm - 12:15 pmSTL-SCL
17h 10m1 stop
$980Air Canada
Find Deal
Mon, Nov 10 - Wed, Nov 12
Air Canada Logo
8:55 pm - 9:54 pmSCL-STL
27h 59m2 stops
Air Canada Logo
4:05 pm - 12:15 pmSTL-SCL
17h 10m1 stop
$1,034Air Canada
Find Deal
Mon, Nov 10 - Wed, Nov 12
Copa Airlines Logo
5:12 am - 10:07 amSCL-STL
31h 55m2 stops
Copa Airlines Logo
8:25 am - 6:01 amSTL-SCL
18h 36m2 stops
$1,053Copa Airlines
Find Deal
Sun, Nov 9 - Thu, Nov 13
Copa Airlines Logo
3:23 am - 10:07 amSCL-STL
33h 44m2 stops
Copa Airlines Logo
8:25 am - 6:01 amSTL-SCL
18h 36m2 stops
$1,177Copa Airlines
Find Deal
Sat, Nov 8 - Thu, Nov 13
Multiple Airlines Logo
11:25 pm - 6:00 pmSCL-STL
21h 35m2 stops
Multiple Airlines Logo
10:17 am - 10:00 pmSTL-SCL
32h 43m1 stop
$1,217Multiple Airlines
Find Deal
Tue, Nov 11 - Sat, Nov 15
Multiple Airlines Logo
1:35 am - 9:40 amSCL-STL
35h 05m2 stops
Multiple Airlines Logo
10:17 am - 10:00 pmSTL-SCL
32h 43m1 stop
$1,234Multiple Airlines
Find Deal
Wed, Nov 5 - Sat, Nov 15

United Airlines flights from Chile to St. Louis

Our best United Airlines deals on Chile to St. Louis flight tickets
United Airlines
Nov 6
SCL10:45 pmSantiago Arturo Merino Benitez
20h 05m
1 stop
STL3:50 pmLambert-St Louis
Nov 11
STL4:35 pmLambert-St Louis
13h 15m
1 stop
SCL8:50 amSantiago Arturo Merino Benitez
$761
Find similar
United Airlines
Nov 7
SCL10:45 pmSantiago Arturo Merino Benitez
14h 54m
1 stop
STL10:39 amLambert-St Louis
Nov 12
STL4:35 pmLambert-St Louis
13h 15m
1 stop
SCL8:50 amSantiago Arturo Merino Benitez
$802
Find similar
United Airlines
Nov 7
SCL10:45 pmSantiago Arturo Merino Benitez
18h 39m
2 stops
STL2:24 pmLambert-St Louis
Nov 15
STL4:48 pmLambert-St Louis
13h 02m
1 stop
SCL8:50 amSantiago Arturo Merino Benitez
$842
Find similar

Delta flights from Chile to St. Louis

Our best Delta deals on Chile to St. Louis flight tickets
Delta
Nov 13
SCL6:30 pmSantiago Arturo Merino Benitez
19h 13m
2 stops
STL10:43 amLambert-St Louis
Nov 17
STL5:17 pmLambert-St Louis
17h 48m
2 stops
SCL2:05 pmSantiago Arturo Merino Benitez
$764
Find similar
Delta
Nov 8
SCL11:10 pmSantiago Arturo Merino Benitez
25h 08m
1 stop
STL9:18 pmLambert-St Louis
Nov 12
STL11:39 amLambert-St Louis
17h 01m
1 stop
SCL7:40 amSantiago Arturo Merino Benitez
$795
Find similar
Delta
Dec 9
SCL11:30 pmSantiago Arturo Merino Benitez
20h 05m
1 stop
STL4:35 pmLambert-St Louis
Dec 16
STL9:30 amLambert-St Louis
18h 05m
2 stops
SCL6:35 amSantiago Arturo Merino Benitez
$885
Find similar

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 October 27, 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

Thu 11/6

10:45 pm-3:50 pm

1 stop20h 05m

Lambert-St Louis

Tue 11/11

4:35 pm-8:50 am

1 stop13h 15m

$761

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Thu 11/13

6:30 pm-10:43 am

2 stops19h 13m

Lambert-St Louis

Mon 11/17

5:17 pm-2:05 pm

2 stops17h 48m

$764

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Tue 12/9

10:25 pm-9:57 pm

2 stops26h 32m

Lambert-St Louis

Tue 12/16

2:02 pm-6:10 am

1 stop13h 08m

$847

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Tue 12/9

11:10 pm-10:45 am

1 stop14h 35m

Lambert-St Louis

Tue 12/16

2:02 pm-6:10 am

1 stop13h 08m

$886

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Mon 11/10

8:55 pm-3:29 pm

1 stop21h 34m

Lambert-St Louis

Wed 11/12

4:05 pm-12:15 pm

1 stop17h 10m

$980

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Mon 11/10

8:55 pm-9:54 pm

2 stops27h 59m

Lambert-St Louis

Wed 11/12

4:05 pm-12:15 pm

1 stop17h 10m

$1,034

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Sun 11/9

5:12 am-10:07 am

2 stops31h 55m

Lambert-St Louis

Thu 11/13

8:25 am-6:01 am

2 stops18h 36m

$1,053

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Sat 11/8

3:23 am-10:07 am

2 stops33h 44m

Lambert-St Louis

Thu 11/13

8:25 am-6:01 am

2 stops18h 36m

$1,177

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Tue 11/11

11:25 pm-6:00 pm

2 stops21h 35m

Lambert-St Louis

Sat 11/15

10:17 am-10:00 pm

1 stop32h 43m

$1,217

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 11/5

1:35 am-9:40 am

2 stops35h 05m

Lambert-St Louis

Sat 11/15

10:17 am-10:00 pm

1 stop32h 43m

$1,234

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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

Direct flights

None
There are no direct flights from Chile to St. Louis. There are no popular flight routes from Chile to St. Louis.
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  • 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
11,030 reviews
Search American Airlines flights
DeltaPriceFrom $843Free CancellationRating
7.9
7,997 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
Hermann
Fairview Heights
Maryland Heights
Florissant
O'Fallon
Wentzville
Collinsville
Fenton
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
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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