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 44% 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.

What is the cheapest airline that flies from Lambert-St Louis to Chile?

LATAM Airlines is the most popular carrier operating from Lambert-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 August 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.

$317 Cheap Flights from St. Louis to Chile in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Chile

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

22h 40m1 stop Atlanta Hartsfield-Jackson

9:50 pm - 11:15 amSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

16h 25m1 stop Atlanta Hartsfield-Jackson

$986LATAM Airlines

Tue, Nov 17 - Mon, Dec 7

10:00 am - 7:40 amSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

18h 40m1 stop Atlanta Hartsfield-Jackson

8:40 am - 11:56 pmSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

18h 16m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$991LATAM Airlines

Tue, Nov 17 - Mon, Dec 7

6:20 pm - 8:10 amSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

11h 50m1 stop Miami

10:15 pm - 5:25 pmSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

22h 10m1 stop Miami

$995American Airlines

Wed, Oct 21 - Wed, Nov 4

5:00 pm - 9:00 amSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

13h 00m1 stop Miami

11:45 pm - 4:36 pmSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

19h 51m1 stop Dallas/Fort Worth

$995American Airlines

Tue, Nov 17 - Mon, Dec 7

11:00 am - 8:50 amSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

18h 50m1 stop Houston George Bush Intcntl

10:45 pm - 6:38 pmSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

22h 53m1 stop Houston George Bush Intcntl

$995United Airlines

Tue, Feb 2 - Tue, Feb 16

1:08 pm - 8:50 amSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

16h 42m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

10:45 pm - 6:38 pmSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

22h 53m1 stop Houston George Bush Intcntl

$995United Airlines

Tue, Feb 2 - Tue, Feb 16

10:00 am - 3:00 pmSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

26h 00m3 stops Atlanta Hartsfield-Jackson Miami Buenos Aires Ministro Pistarini

9:50 pm - 8:53 amSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

14h 03m1 stop Atlanta Hartsfield-Jackson

$995LATAM Airlines

Tue, Nov 17 - Mon, Dec 7

5:10 pm - 8:00 amSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

12h 50m1 stop Miami

9:30 pm - 5:27 pmSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

21h 57m1 stop Miami

$996American Airlines

Wed, Sep 16 - Thu, Oct 8

12:00 pm - 7:00 amSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

17h 00m2 stops Atlanta Hartsfield-Jackson Bogotá El Dorado

8:15 am - 11:54 pmSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

17h 39m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$997Delta

Wed, Sep 16 - Thu, Oct 8

6:00 am - 4:40 amSTL Lambert-St Louis-SCL Santiago Arturo Merino Benitez

21h 40m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

8:40 pm - 2:08 pmSCL Santiago Arturo Merino Benitez-STL Lambert-St Louis

19h 28m1 stop Atlanta Hartsfield-Jackson

$997Delta

Wed, Sep 2 - Mon, Sep 7

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United Airlines flights from St. Louis to Chile

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

United Airlines

Oct 24

STL3:12 pmLambert-St Louis

14h 38m

1 stop

SCL7:50 amSantiago Arturo Merino Benitez

Oct 31

SCL10:45 pmSantiago Arturo Merino Benitez

18h 28m

1 stop

STL3:13 pmLambert-St Louis

$1,037

United Airlines

Oct 24

STL5:36 pmLambert-St Louis

36h 14m

2 stops

SCL7:50 amSantiago Arturo Merino Benitez

Oct 31

SCL10:45 pmSantiago Arturo Merino Benitez

22h 53m

1 stop

STL7:38 pmLambert-St Louis

$1,042

United Airlines

Sep 20

STL11:15 amLambert-St Louis

14h 41m

2 stops

SCL3:56 amSantiago Arturo Merino Benitez

Sep 27

SCL12:22 pmSantiago Arturo Merino Benitez

49h 51m

3 stops

STL12:13 pmLambert-St Louis

$1,314

LATAM Airlines flights from St. Louis to Chile

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

LATAM Airlines

Nov 17

STL6:00 amLambert-St Louis

22h 40m

1 stop

SCL7:40 amSantiago Arturo Merino Benitez

Dec 7

SCL9:50 pmSantiago Arturo Merino Benitez

16h 25m

1 stop

STL11:15 amLambert-St Louis

$986

LATAM Airlines

Nov 17

STL10:00 amLambert-St Louis

18h 40m

1 stop

SCL7:40 amSantiago Arturo Merino Benitez

Dec 7

SCL8:40 amSantiago Arturo Merino Benitez

18h 16m

2 stops

STL11:56 pmLambert-St Louis

$991

LATAM Airlines

Oct 21

STL12:00 pmLambert-St Louis

17h 00m

2 stops

SCL7:00 amSantiago Arturo Merino Benitez

Nov 4

SCL5:55 pmSantiago Arturo Merino Benitez

18h 22m

2 stops

STL9:17 amLambert-St Louis

$995

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

Tue 11/17

6:00 am-7:40 am

1 stop22h 40m

Santiago Arturo Merino Benitez

Mon 12/7

9:50 pm-11:15 am

1 stop16h 25m

$986

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Tue 11/17

10:00 am-7:40 am

1 stop18h 40m

Santiago Arturo Merino Benitez

Mon 12/7

8:40 am-11:56 pm

2 stops18h 16m

$991

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Wed 10/21

6:20 pm-8:10 am

1 stop11h 50m

Santiago Arturo Merino Benitez

Wed 11/4

10:15 pm-5:25 pm

1 stop22h 10m

$995

Quickest round-trip

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Tue 11/17

5:00 pm-9:00 am

1 stop13h 00m

Santiago Arturo Merino Benitez

Mon 12/7

11:45 pm-4:36 pm

1 stop19h 51m

$995

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Tue 2/2

11:00 am-8:50 am

1 stop18h 50m

Santiago Arturo Merino Benitez

Tue 2/16

10:45 pm-6:38 pm

1 stop22h 53m

$995

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Tue 2/2

1:08 pm-8:50 am

2 stops16h 42m

Santiago Arturo Merino Benitez

Tue 2/16

10:45 pm-6:38 pm

1 stop22h 53m

$995

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Tue 11/17

10:00 am-3:00 pm

3 stops26h 00m

Santiago Arturo Merino Benitez

Mon 12/7

9:50 pm-8:53 am

1 stop14h 03m

$995

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Wed 9/16

5:10 pm-8:00 am

1 stop12h 50m

Santiago Arturo Merino Benitez

Thu 10/8

9:30 pm-5:27 pm

1 stop21h 57m

$996

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Wed 9/16

12:00 pm-7:00 am

2 stops17h 00m

Santiago Arturo Merino Benitez

Thu 10/8

8:15 am-11:54 pm

2 stops17h 39m

$997

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Wed 9/2

6:00 am-4:40 am

2 stops21h 40m

Santiago Arturo Merino Benitez

Mon 9/7

8:40 pm-2:08 pm

1 stop19h 28m

$997

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted 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 $823. 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

Fastest flight time	15h 49m
Direct flights	None

The fastest flight from St. Louis to Chile takes 15h 49m

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 August 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 8,503 reviews	Search Delta flights
American Airlines	PriceFrom $689	Free Cancellation	Rating 7.1 11,899 reviews	Search American Airlines flights
LATAM Airlines	PriceFrom $792	Free Cancellation	Rating 7.4 1,974 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.