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Cheap flights from Santiago to St. Louis from $418

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
$977Air Canada
Mon, Nov 30 - Mon, Dec 7
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 - 6:50 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
35h 45m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$1,036Air Canada
Mon, Nov 30 - Mon, Dec 7
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
$1,037Air Canada
Thu, Nov 5 - Mon, Nov 9
American Airlines Logo
11:20 pm - 7:36 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
23h 16m1 stop Dallas/Fort Worth
American Airlines Logo
12:53 pm - 7:45 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
15h 52m1 stop Dallas/Fort Worth
$1,112American Airlines
Sun, Dec 20 - Mon, Jan 25
American Airlines Logo
11:20 pm - 3:51 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
19h 31m2 stops Dallas/Fort Worth Chicago O'Hare Intl
American Airlines Logo
12:53 pm - 9:00 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
17h 07m2 stops Dallas/Fort Worth Miami
$1,116American Airlines
Sun, Dec 20 - Mon, Jan 25
LATAM Airlines Logo
10:15 am - 11:56 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
16h 41m2 stops Miami Atlanta Hartsfield-Jackson
LATAM Airlines Logo
12:29 pm - 7:40 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
16h 11m1 stop Atlanta Hartsfield-Jackson
$1,122LATAM Airlines
Mon, Nov 9 - Tue, Nov 24
United Airlines Logo
10:45 pm - 2:16 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
18h 31m1 stop Houston George Bush Intcntl
United Airlines Logo
10:45 am - 8:50 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
19h 05m1 stop Houston George Bush Intcntl
$1,125United Airlines
Tue, Dec 1 - Tue, Dec 8
LATAM Airlines Logo
11:10 pm - 9:00 amSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
12h 50m1 stop Atlanta Hartsfield-Jackson
LATAM Airlines Logo
6:00 am - 7:40 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
22h 40m1 stop Atlanta Hartsfield-Jackson
$1,131LATAM Airlines
Mon, Nov 9 - Tue, Nov 24
American Airlines Logo
10:30 pm - 3:55 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
20h 25m2 stops Miami Charlotte Douglas
American Airlines Logo
1:17 pm - 9:15 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
16h 58m2 stops Philadelphia Miami
$1,136American Airlines
Mon, Nov 30 - Mon, Dec 7
LATAM Airlines Logo
7:40 am - 11:54 pmSCL  Santiago Arturo Merino Benitez-STL Lambert-St Louis
19h 14m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson
LATAM Airlines Logo
10:05 am - 6:55 amSTL  Lambert-St Louis-SCL Santiago Arturo Merino Benitez
17h 50m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
$1,146LATAM Airlines
Thu, Nov 5 - Mon, Nov 9

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American Airlines flights from Santiago to St. Louis

Our best American Airlines deals on Santiago to St. Louis flight tickets
American Airlines
Dec 20
SCL11:20 pmSantiago Arturo Merino Benitez
23h 16m
1 stop
STL7:36 pmLambert-St Louis
Jan 25
STL12:53 pmLambert-St Louis
15h 52m
1 stop
SCL7:45 amSantiago Arturo Merino Benitez
$1,112
American Airlines
Dec 20
SCL11:20 pmSantiago Arturo Merino Benitez
19h 31m
2 stops
STL3:51 pmLambert-St Louis
Jan 25
STL12:53 pmLambert-St Louis
17h 07m
2 stops
SCL9:00 amSantiago Arturo Merino Benitez
$1,116
American Airlines
Dec 3
SCL10:30 pmSantiago Arturo Merino Benitez
21h 55m
1 stop
STL5:25 pmLambert-St Louis
Dec 10
STL10:25 amLambert-St Louis
18h 50m
1 stop
SCL8:15 amSantiago Arturo Merino Benitez
$1,132

Air Canada flights from Santiago to St. Louis

Our best Air Canada deals on Santiago to St. Louis flight tickets
Air Canada
Nov 30
SCL9:55 pmSantiago Arturo Merino Benitez
20h 31m
1 stop
STL3:26 pmLambert-St Louis
Dec 7
STL4:05 pmLambert-St Louis
17h 10m
1 stop
SCL12:15 pmSantiago Arturo Merino Benitez
$977
Air Canada
Nov 30
SCL9:55 pmSantiago Arturo Merino Benitez
20h 31m
1 stop
STL3:26 pmLambert-St Louis
Dec 7
STL4:05 pmLambert-St Louis
35h 45m
2 stops
SCL6:50 amSantiago Arturo Merino Benitez
$1,036
Air Canada
Nov 5
SCL9:55 pmSantiago Arturo Merino Benitez
20h 31m
1 stop
STL3:26 pmLambert-St Louis
Nov 9
STL4:05 pmLambert-St Louis
17h 10m
1 stop
SCL12:15 pmSantiago Arturo Merino Benitez
$1,037

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

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Price

Cheapest round-trip

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Mon 11/30

9:55 pm-3:26 pm

1 stop20h 31m

Lambert-St Louis

Mon 12/7

4:05 pm-12:15 pm

1 stop17h 10m

$977

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Mon 11/30

9:55 pm-3:26 pm

1 stop20h 31m

Lambert-St Louis

Mon 12/7

4:05 pm-6:50 am

2 stops35h 45m

$1,036

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Thu 11/5

9:55 pm-3:26 pm

1 stop20h 31m

Lambert-St Louis

Mon 11/9

4:05 pm-12:15 pm

1 stop17h 10m

$1,037

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Sun 12/20

11:20 pm-7:36 pm

1 stop23h 16m

Lambert-St Louis

Mon 1/25

12:53 pm-7:45 am

1 stop15h 52m

$1,112

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Sun 12/20

11:20 pm-3:51 pm

2 stops19h 31m

Lambert-St Louis

Mon 1/25

12:53 pm-9:00 am

2 stops17h 07m

$1,116
Quickest round-trip

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Mon 11/9

10:15 am-11:56 pm

2 stops16h 41m

Lambert-St Louis

Tue 11/24

12:29 pm-7:40 am

1 stop16h 11m

$1,122

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Tue 12/1

10:45 pm-2:16 pm

1 stop18h 31m

Lambert-St Louis

Tue 12/8

10:45 am-8:50 am

1 stop19h 05m

$1,125

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Mon 11/9

11:10 pm-9:00 am

1 stop12h 50m

Lambert-St Louis

Tue 11/24

6:00 am-7:40 am

1 stop22h 40m

$1,131

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Mon 11/30

10:30 pm-3:55 pm

2 stops20h 25m

Lambert-St Louis

Mon 12/7

1:17 pm-9:15 am

2 stops16h 58m

$1,136

SantiagoSt. Louis

SCL Santiago Arturo Merino Benitez - STL Lambert-St Louis

SCLSTL

Santiago Arturo Merino Benitez

Thu 11/5

7:40 am-11:54 pm

2 stops19h 14m

Lambert-St Louis

Mon 11/9

10:05 am-6:55 am

2 stops17h 50m

$1,146

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, November 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 $0. The month of January is another great option to travel to St. Louis, with average flight prices from Santiago averaging around $0.

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

$418

Fastest flight time

14h 00m

Direct flights

None
The best one-way flight to St. Louis from Santiago in the past 72 hours is $418. The best round-trip flight deal from Santiago to St. Louis found on momondo in the last 72 hours is $977.
The fastest flight from Santiago to St. Louis takes 14h 00m
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 14h 00m.

  • 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
Fairview Heights
Chesterfield
Maryland Heights
St. Peters
Alton
Collinsville
Florissant
Farmington
Hermann
Clayton
Festus
Fenton
Edwardsville
O'Fallon
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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