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Cheap flights from Santiago to St. Louis from $449

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.
Air Canada Logo
9:55 pm - 3:26 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
20h 31m1 stop Toronto Pearson Intl
Air Canada Logo
4:05 pm - 12:15 pmSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
17h 10m1 stop Toronto Pearson Intl
$1,018Air Canada
Mon, Nov 9 - Mon, Nov 16
LATAM Airlines Logo
9:50 pm - 11:52 amSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
17h 02m1 stop Atlanta Hartsfield-Jackson
LATAM Airlines Logo
9:00 am - 7:40 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
19h 40m1 stop Atlanta Hartsfield-Jackson
$1,032LATAM Airlines
Tue, Dec 29 - Thu, Jan 7
Delta Logo
9:45 am - 11:55 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
17h 10m2 stops Miami Atlanta Hartsfield-Jackson
Delta Logo
9:00 am - 5:20 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
17h 20m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
$1,036Delta
Tue, Dec 29 - Thu, Jan 7
Multiple Airlines Logo
8:30 am - 3:26 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
33h 56m3 stops Rio de Janeiro–Galeão Intl Sao Paulo Guarulhos Intl Toronto Pearson Intl
Multiple Airlines Logo
6:44 pm - 3:35 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
29h 51m3 stops Atlanta Hartsfield-Jackson Miami Punta Cana
$1,050Multiple Airlines
Mon, Nov 9 - Mon, Nov 16
LATAM Airlines Logo
9:45 am - 11:55 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
17h 10m2 stops Miami Atlanta Hartsfield-Jackson
LATAM Airlines Logo
6:59 pm - 9:40 pmSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
23h 41m3 stops Atlanta Hartsfield-Jackson Miami Punta Cana
$1,053LATAM Airlines
Tue, Dec 29 - Thu, Jan 7
Multiple Airlines Logo
7:30 am - 11:19 amSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
30h 49m3 stops Bogotá El Dorado Orlando Dallas/Fort Worth
Multiple Airlines Logo
6:44 pm - 5:45 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
32h 01m3 stops Atlanta Hartsfield-Jackson Orlando Bogotá El Dorado
$1,056Multiple Airlines
Wed, Nov 11 - Wed, Nov 18
American Airlines Logo
10:30 pm - 3:50 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
20h 20m1 stop Miami
American Airlines Logo
10:25 am - 8:45 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
19h 20m2 stops Washington, D.C. Reagan-National Miami
$1,066American Airlines
Mon, Nov 9 - Mon, Nov 16
American Airlines Logo
10:30 pm - 3:50 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
20h 20m1 stop Miami
American Airlines Logo
5:00 am - 8:45 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
24h 45m1 stop Miami
$1,072American Airlines
Tue, Nov 10 - Tue, Nov 17
American Airlines Logo
10:30 pm - 3:50 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
20h 20m1 stop Miami
American Airlines Logo
10:37 am - 8:45 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
19h 08m2 stops Charlotte Douglas Miami
$1,077American Airlines
Tue, Nov 10 - Tue, Nov 17
United Airlines Logo
10:45 pm - 11:38 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
27h 53m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
9:35 am - 8:50 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
20h 15m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$1,080United Airlines
Sun, Dec 20 - Mon, Jan 4

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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
Dec 29
SCL9:50 pmSantiago Arturo Merino Benitez
17h 02m
1 stop
STL11:52 amLambert-St Louis
Jan 7
STL9:00 amLambert-St Louis
19h 40m
1 stop
SCL7:40 amSantiago Arturo Merino Benitez
$1,032
LATAM Airlines
Dec 29
SCL9:45 amSantiago Arturo Merino Benitez
17h 10m
2 stops
STL11:55 pmLambert-St Louis
Jan 7
STL6:59 pmLambert-St Louis
23h 41m
3 stops
SCL9:40 pmSantiago Arturo Merino Benitez
$1,053
LATAM Airlines
Oct 1
SCL5:55 pmSantiago Arturo Merino Benitez
19h 00m
2 stops
STL10:55 amLambert-St Louis
Oct 5
STL10:05 amLambert-St Louis
18h 40m
2 stops
SCL6:45 amSantiago Arturo Merino Benitez
$1,095

Delta flights from Santiago to St. Louis

Our best Delta deals on Santiago to St. Louis flight tickets
Delta
Dec 29
SCL9:45 amSantiago Arturo Merino Benitez
17h 10m
2 stops
STL11:55 pmLambert-St Louis
Jan 7
STL9:00 amLambert-St Louis
17h 20m
2 stops
SCL5:20 amSantiago Arturo Merino Benitez
$1,036
Delta
Nov 11
SCL11:10 pmSantiago Arturo Merino Benitez
17h 13m
2 stops
STL1:23 pmLambert-St Louis
Nov 18
STL7:13 amLambert-St Louis
19h 22m
2 stops
SCL5:35 amSantiago Arturo Merino Benitez
$1,086
Delta
Dec 30
SCL8:13 amSantiago Arturo Merino Benitez
18h 42m
2 stops
STL11:55 pmLambert-St Louis
Jan 8
STL9:00 amLambert-St Louis
18h 40m
1 stop
SCL6:40 amSantiago Arturo Merino Benitez
$1,127

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest round-trip

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Mon 11/9

9:55 pm-3:26 pm

1 stop20h 31m

Lambert-St Louis

Mon 11/16

4:05 pm-12:15 pm

1 stop17h 10m

$1,018

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Tue 12/29

9:50 pm-11:52 am

1 stop17h 02m

Lambert-St Louis

Thu 1/7

9:00 am-7:40 am

1 stop19h 40m

$1,032
Quickest round-trip

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Tue 12/29

9:45 am-11:55 pm

2 stops17h 10m

Lambert-St Louis

Thu 1/7

9:00 am-5:20 am

2 stops17h 20m

$1,036

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Mon 11/9

8:30 am-3:26 pm

3 stops33h 56m

Lambert-St Louis

Mon 11/16

6:44 pm-3:35 am

3 stops29h 51m

$1,050

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Tue 12/29

9:45 am-11:55 pm

2 stops17h 10m

Lambert-St Louis

Thu 1/7

6:59 pm-9:40 pm

3 stops23h 41m

$1,053

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Wed 11/11

7:30 am-11:19 am

3 stops30h 49m

Lambert-St Louis

Wed 11/18

6:44 pm-5:45 am

3 stops32h 01m

$1,056

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Mon 11/9

10:30 pm-3:50 pm

1 stop20h 20m

Lambert-St Louis

Mon 11/16

10:25 am-8:45 am

2 stops19h 20m

$1,066

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Tue 11/10

10:30 pm-3:50 pm

1 stop20h 20m

Lambert-St Louis

Tue 11/17

5:00 am-8:45 am

1 stop24h 45m

$1,072

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Tue 11/10

10:30 pm-3:50 pm

1 stop20h 20m

Lambert-St Louis

Tue 11/17

10:37 am-8:45 am

2 stops19h 08m

$1,077

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Sun 12/20

10:45 pm-11:38 pm

2 stops27h 53m

Lambert-St Louis

Mon 1/4

9:35 am-8:50 am

2 stops20h 15m

$1,080

Flights are sorted by cheapest round-trip flights 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 30% 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

$449

Fastest flight time

18h 42m

Direct flights

None
The best one-way flight to St. Louis from Santiago in the past 72 hours is $449. The best round-trip flight deal from Santiago to St. Louis found on momondo in the last 72 hours is $1,018.
The fastest flight from Santiago to St. Louis takes 18h 42m
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 42m.

  • 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
Alton
Collinsville
Florissant
Hermann
Farmington
Clayton
Festus
O'Fallon
Fenton
Edwardsville
Eureka
Wentzville
Litchfield
Grafton
Waterloo

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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