What airlines fly to Chile?

Delta, American Airlines and LATAM Airlines are the top three most popular airlines that fly to Chile from St. Louis according to our data. Delta is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Chile. Keep in mind that there are 3 different airlines that fly to Chile on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Lambert-St Louis Airport to Chile?

Prices for flights from Lambert-St Louis Airport to Chile are refreshed on a daily basis.

How many operators does momondo search for flights from Lambert-St Louis Airport to Chile?

As of October 2026, there are 3 operators available to choose from for flights from Lambert-St Louis Airport to Chile.

How old do you have to be to fly from Lambert-St Louis Airport to Chile?

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 Lambert-St Louis Airport to Chile.

What documentation or ID do you need to fly to Chile?

The travel and health documents required for your trip to Chile can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chile. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$1,016 Cheap Flights from St. Louis to Chile in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Chile

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:29 am - 7:45 amSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

23h 16m1 stop Dallas/Fort Worth

11:45 pm - 2:55 pmSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

18h 10m1 stop Dallas/Fort Worth

$1,016American Airlines

Thu, Jan 14 - Tue, Jan 26

11:00 am - 9:00 amSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

19h 00m2 stops New York LaGuardia Miami

11:45 pm - 6:11 pmSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

21h 26m1 stop Dallas/Fort Worth

$1,020American Airlines

Thu, Feb 4 - Thu, Feb 11

11:00 am - 9:00 amSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

19h 00m2 stops New York LaGuardia Miami

10:15 pm - 10:27 amSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

15h 12m1 stop Miami

$1,020American Airlines

Thu, Feb 4 - Sun, Feb 14

11:51 am - 6:40 amSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

15h 49m1 stop Atlanta Hartsfield-Jackson

4:35 pm - 11:39 pmSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

34h 04m2 stops Bogotá El Dorado Atlanta Hartsfield-Jackson

$1,045LATAM Airlines

Sat, Jan 23 - Sun, Jan 31

9:00 am - 6:00 pmSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

30h 00m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

4:35 pm - 11:39 pmSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

34h 04m2 stops Bogotá El Dorado Atlanta Hartsfield-Jackson

$1,050LATAM Airlines

Sat, Jan 23 - Sun, Jan 31

6:55 pm - 8:50 amSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

34h 55m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

10:45 pm - 6:18 pmSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

22h 33m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$1,056United Airlines

Sun, Dec 6 - Sun, Dec 20

6:00 am - 7:40 amSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

22h 40m1 stop Atlanta Hartsfield-Jackson

9:50 pm - 8:12 amSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

13h 22m1 stop Atlanta Hartsfield-Jackson

$1,065LATAM Airlines

Wed, Jan 6 - Sat, Jan 23

9:00 am - 7:40 amSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

19h 40m1 stop Atlanta Hartsfield-Jackson

11:10 pm - 10:48 amSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

14h 38m1 stop Atlanta Hartsfield-Jackson

$1,066Delta

Thu, Feb 4 - Thu, Feb 11

6:55 pm - 8:50 amSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

34h 55m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

10:45 pm - 10:30 pmSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

26h 45m1 stop Houston George Bush Intcntl

$1,066United Airlines

Sun, Dec 6 - Sun, Dec 20

3:40 pm - 3:00 pmSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

20h 20m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

12:48 am - 6:01 pmSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

20h 13m2 stops Bogotá El Dorado Atlanta Hartsfield-Jackson

$1,077Delta

Thu, Feb 4 - Sat, Feb 13

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

American Airlines flights from St. Louis to Chile

Our best American Airlines deals on St. Louis to Chile flight tickets

American Airlines

Jan 14

STL5:29 amLambert-St Louis

23h 16m

1 stop

SCL7:45 amSantiago Arturo Merino Benitez

Jan 26

SCL11:45 pmSantiago Arturo Merino Benitez

18h 10m

1 stop

STL2:55 pmLambert-St Louis

$1,016

American Airlines

Feb 4

STL9:41 amLambert-St Louis

20h 19m

2 stops

SCL9:00 amSantiago Arturo Merino Benitez

Feb 11

SCL10:15 pmSantiago Arturo Merino Benitez

17h 31m

2 stops

STL12:46 pmLambert-St Louis

$1,020

American Airlines

Dec 6

STL5:50 amLambert-St Louis

23h 25m

1 stop

SCL8:15 amSantiago Arturo Merino Benitez

Dec 20

SCL10:25 pmSantiago Arturo Merino Benitez

22h 20m

1 stop

STL5:45 pmLambert-St Louis

$1,065

Delta flights from St. Louis to Chile

Our best Delta deals on St. Louis to Chile flight tickets

Delta

Feb 4

STL3:40 pmLambert-St Louis

20h 20m

2 stops

SCL3:00 pmSantiago Arturo Merino Benitez

Feb 13

SCL12:48 amSantiago Arturo Merino Benitez

20h 13m

2 stops

STL6:01 pmLambert-St Louis

$1,077

Delta

Feb 20

STL3:40 pmLambert-St Louis

20h 20m

2 stops

SCL3:00 pmSantiago Arturo Merino Benitez

Mar 6

SCL9:50 pmSantiago Arturo Merino Benitez

19h 53m

1 stop

STL2:43 pmLambert-St Louis

$1,087

Delta

Feb 20

STL3:40 pmLambert-St Louis

20h 20m

2 stops

SCL3:00 pmSantiago Arturo Merino Benitez

Mar 6

SCL9:50 pmSantiago Arturo Merino Benitez

19h 53m

1 stop

STL2:43 pmLambert-St Louis

$1,088

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Thu 1/14

5:29 am-7:45 am

1 stop23h 16m

Santiago Arturo Merino Benitez

Tue 1/26

11:45 pm-2:55 pm

1 stop18h 10m

$1,016

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Thu 2/4

11:00 am-9:00 am

2 stops19h 00m

Santiago Arturo Merino Benitez

Thu 2/11

11:45 pm-6:11 pm

1 stop21h 26m

$1,020

Quickest round-trip

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Thu 2/4

11:00 am-9:00 am

2 stops19h 00m

Santiago Arturo Merino Benitez

Sun 2/14

10:15 pm-10:27 am

1 stop15h 12m

$1,020

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Sat 1/23

11:51 am-6:40 am

1 stop15h 49m

Santiago Arturo Merino Benitez

Sun 1/31

4:35 pm-11:39 pm

2 stops34h 04m

$1,045

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Sat 1/23

9:00 am-6:00 pm

2 stops30h 00m

Santiago Arturo Merino Benitez

Sun 1/31

4:35 pm-11:39 pm

2 stops34h 04m

$1,050

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Sun 12/6

6:55 pm-8:50 am

2 stops34h 55m

Santiago Arturo Merino Benitez

Sun 12/20

10:45 pm-6:18 pm

2 stops22h 33m

$1,056

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Wed 1/6

6:00 am-7:40 am

1 stop22h 40m

Santiago Arturo Merino Benitez

Sat 1/23

9:50 pm-8:12 am

1 stop13h 22m

$1,065

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Thu 2/4

9:00 am-7:40 am

1 stop19h 40m

Santiago Arturo Merino Benitez

Thu 2/11

11:10 pm-10:48 am

1 stop14h 38m

$1,066

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Sun 12/6

6:55 pm-8:50 am

2 stops34h 55m

Santiago Arturo Merino Benitez

Sun 12/20

10:45 pm-10:30 pm

1 stop26h 45m

$1,066

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Thu 2/4

3:40 pm-3:00 pm

2 stops20h 20m

Santiago Arturo Merino Benitez

Sat 2/13

12:48 am-6:01 pm

2 stops20h 13m

$1,077

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Chile

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

Prices

Airlines

What is the cheapest month to fly to Chile?

In general, March is the cheapest month to fly from St. Louis to Chile. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $764. If you aren’t able to travel during the month of March, then book flights to Chile from St. Louis during December instead. Flights to Chile in December, while not as cheap as those in March, still average around $944.

Cheap St. Louis to Chile flight deals and tips

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

Best Price Found	$1,016
Fastest flight time	18h 25m
Direct flights	None

The best flight deal from St. Louis to Chile found on momondo in the last 72 hours is $1,016

The fastest flight from St. Louis to Chile takes 18h 25m

There are no direct flights from St. Louis to Chile. There are no popular flight routes from St. Louis to Chile.

Search flight deals

Frequently asked questions about flying from St. Louis to Chile

When did momondo last update prices for flights from Lambert-St Louis Airport to Chile?
Prices for flights from Lambert-St Louis Airport to Chile are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Chile?
As of October 2026, there are 3 operators available to choose from for flights from Lambert-St Louis Airport to Chile.
How old do you have to be to fly from Lambert-St Louis Airport to Chile?
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 Lambert-St Louis Airport to Chile.
What documentation or ID do you need to fly to Chile?
The travel and health documents required for your trip to Chile can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chile. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from St. Louis to Chile

Compare and see reviews for airlines that fly from St. Louis to Chile with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $611	Free Cancellation	Rating 7.8 8,621 reviews	Search Delta flights
American Airlines	PriceFrom $689	Free Cancellation	Rating 7.0 12,111 reviews	Search American Airlines flights
LATAM Airlines	PriceFrom $792	Free Cancellation	Rating 7.4 1,978 reviews	Search LATAM Airlines flights

Why use momondo?

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

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

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

Yes. All flights to Chile from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Chile?

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 Chile from St. Louis.

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

If you are simply researching potential flights to Chile, momondo offers a useful price alert feature which will track prices for flights to Chile from St. Louis and alert you when they change.