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Cheap flights from Santiago to St. Louis from $395

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Santiago to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
8:40 pm - 9:09 amSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
14h 29m1 stop Atlanta Hartsfield-Jackson
LATAM Airlines Logo
2:25 pm - 8:15 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
15h 50m1 stop Atlanta Hartsfield-Jackson
$962LATAM Airlines
Thu, Oct 8 - Thu, Oct 15
Delta Logo
11:55 pm - 4:28 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
18h 33m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
Delta Logo
7:00 am - 8:15 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
23h 15m1 stop Atlanta Hartsfield-Jackson
$966Delta
Thu, Oct 8 - Thu, Oct 15
American Airlines Logo
9:30 pm - 9:59 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
26h 29m1 stop Miami
American Airlines Logo
6:07 pm - 8:10 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
12h 03m1 stop Miami
$973American Airlines
Sun, Oct 11 - Sun, Oct 18
LATAM Airlines Logo
5:50 pm - 10:55 amSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
19h 05m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson
LATAM Airlines Logo
12:00 pm - 8:15 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
18h 15m1 stop Atlanta Hartsfield-Jackson
$975LATAM Airlines
Thu, Oct 1 - Mon, Oct 5
American Airlines Logo
9:30 pm - 12:09 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
16h 39m2 stops Miami Charlotte Douglas
American Airlines Logo
6:07 pm - 8:10 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
12h 03m1 stop Miami
$977American Airlines
Sun, Oct 11 - Sun, Oct 18
American Airlines Logo
9:30 pm - 5:30 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
22h 00m2 stops Miami Charlotte Douglas
American Airlines Logo
10:21 am - 7:45 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
18h 24m1 stop Dallas/Fort Worth
$980American Airlines
Sun, Sep 27 - Wed, Dec 2
American Airlines Logo
9:30 pm - 11:59 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
28h 29m1 stop Miami
American Airlines Logo
6:00 am - 7:45 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
22h 45m1 stop Dallas/Fort Worth
$987American Airlines
Sun, Sep 27 - Wed, Dec 2
American Airlines Logo
9:30 pm - 5:27 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
21h 57m1 stop Miami
American Airlines Logo
6:07 pm - 8:35 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
12h 28m1 stop Miami
$1,036American Airlines
Fri, Oct 23 - Sun, Oct 25
LATAM Airlines Logo
6:40 am - 11:42 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
19h 02m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson
LATAM Airlines Logo
10:04 am - 11:41 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
22h 37m3 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl Buenos Aires Jorge Newbery
$1,041LATAM Airlines
Sun, Sep 27 - Wed, Dec 2
American Airlines Logo
9:30 pm - 9:59 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
26h 29m1 stop Miami
American Airlines Logo
12:46 pm - 8:10 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
17h 24m2 stops Dallas/Fort Worth Miami
$1,116American Airlines
Sat, Oct 10 - Sat, Oct 17

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LATAM Airlines flights from Santiago to St. Louis

Our best LATAM Airlines deals on Santiago to St. Louis flight tickets
LATAM Airlines
Oct 8
SCL8:40 pmSantiago Arturo Merino Benitez
14h 29m
1 stop
STL9:09 amLambert-St Louis
Oct 15
STL2:25 pmLambert-St Louis
15h 50m
1 stop
SCL8:15 amSantiago Arturo Merino Benitez
$962
LATAM Airlines
Oct 1
SCL5:50 pmSantiago Arturo Merino Benitez
19h 05m
2 stops
STL10:55 amLambert-St Louis
Oct 5
STL12:00 pmLambert-St Louis
18h 15m
1 stop
SCL8:15 amSantiago Arturo Merino Benitez
$975
LATAM Airlines
Sep 27
SCL6:40 amSantiago Arturo Merino Benitez
19h 02m
2 stops
STL11:42 pmLambert-St Louis
Dec 2
STL10:04 amLambert-St Louis
22h 37m
3 stops
SCL11:41 amSantiago Arturo Merino Benitez
$1,041

American Airlines flights from Santiago to St. Louis

Our best American Airlines deals on Santiago to St. Louis flight tickets
American Airlines
Oct 11
SCL9:30 pmSantiago Arturo Merino Benitez
26h 29m
1 stop
STL9:59 pmLambert-St Louis
Oct 18
STL6:07 pmLambert-St Louis
12h 03m
1 stop
SCL8:10 amSantiago Arturo Merino Benitez
$973
American Airlines
Oct 11
SCL9:30 pmSantiago Arturo Merino Benitez
16h 39m
2 stops
STL12:09 pmLambert-St Louis
Oct 18
STL6:07 pmLambert-St Louis
12h 03m
1 stop
SCL8:10 amSantiago Arturo Merino Benitez
$977
American Airlines
Sep 27
SCL9:30 pmSantiago Arturo Merino Benitez
22h 00m
2 stops
STL5:30 pmLambert-St Louis
Dec 2
STL10:21 amLambert-St Louis
18h 24m
1 stop
SCL7:45 amSantiago Arturo Merino Benitez
$980

momondo Fare Finder

 
Use the filters below to find and compare flights from Santiago to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Thu 10/8

8:40 pm-9:09 am

1 stop14h 29m

Lambert-St Louis

Thu 10/15

2:25 pm-8:15 am

1 stop15h 50m

$962

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Thu 10/8

11:55 pm-4:28 pm

2 stops18h 33m

Lambert-St Louis

Thu 10/15

7:00 am-8:15 am

1 stop23h 15m

$966

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Sun 10/11

9:30 pm-9:59 pm

1 stop26h 29m

Lambert-St Louis

Sun 10/18

6:07 pm-8:10 am

1 stop12h 03m

$973

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Thu 10/1

5:50 pm-10:55 am

2 stops19h 05m

Lambert-St Louis

Mon 10/5

12:00 pm-8:15 am

1 stop18h 15m

$975
Quickest round-trip

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Sun 10/11

9:30 pm-12:09 pm

2 stops16h 39m

Lambert-St Louis

Sun 10/18

6:07 pm-8:10 am

1 stop12h 03m

$977

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Sun 9/27

9:30 pm-5:30 pm

2 stops22h 00m

Lambert-St Louis

Wed 12/2

10:21 am-7:45 am

1 stop18h 24m

$980

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Sun 9/27

9:30 pm-11:59 pm

1 stop28h 29m

Lambert-St Louis

Wed 12/2

6:00 am-7:45 am

1 stop22h 45m

$987

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Fri 10/23

9:30 pm-5:27 pm

1 stop21h 57m

Lambert-St Louis

Sun 10/25

6:07 pm-8:35 am

1 stop12h 28m

$1,036

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Sun 9/27

6:40 am-11:42 pm

2 stops19h 02m

Lambert-St Louis

Wed 12/2

10:04 am-11:41 am

3 stops22h 37m

$1,041

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Sat 10/10

9:30 pm-9:59 pm

1 stop26h 29m

Lambert-St Louis

Sat 10/17

12:46 pm-8:10 am

2 stops17h 24m

$1,116

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Santiago 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, September is the cheapest month to fly from Santiago to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $674. The month of December is another great option to travel to St. Louis, with average flight prices from Santiago averaging around $795.

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

You could potentially save up to 22% on your flight if you consider stops on a Santiago to St. Louis flight.

When to book flights from Santiago to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Santiago to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Santiago to St. Louis (SCL to STL) flight deals and tips

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

Best Price Found

$395

Fastest flight time

18h 11m

Direct flights

None
The best one-way flight to St. Louis from Santiago in the past 72 hours is $395. The best round-trip flight deal from Santiago to St. Louis found on momondo in the last 72 hours is $962.
The fastest flight from Santiago to St. Louis takes 18h 11m
There are no direct flights from Santiago to St. Louis. There are no popular flight routes from Santiago to St. Louis.
Search flight deals

Frequently asked questions about flying from Santiago to St. Louis

  • How far is Santiago Arturo Merino Benitez to Lambert-St Louis by plane?

    Santiago Arturo Merino Benitez and Lambert-St Louis are 5131.6 mi apart from one another. By plane, this route typically takes 18h 11m.

  • When did momondo last update prices for flights from Santiago Arturo Merino Benitez Airport to Lambert-St Louis Airport?

    Prices for flights from Santiago Arturo Merino Benitez Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Santiago Arturo Merino Benitez Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Santiago Arturo Merino Benitez Airport to Lambert-St Louis Airport.

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

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable 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
Maryland Heights
St. Peters
Hermann
Alton
Florissant
Collinsville
O'Fallon
Farmington
Clayton
Fenton
Festus
Wentzville
Eureka
Edwardsville
Litchfield
Grafton
Shrewsbury

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Santiago to St. Louis. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Santiago to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from Santiago 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 Santiago.

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

Yes momondo offers price alerts on flights to St. Louis from Santiago. 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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