What airlines fly to Chile?

LATAM Airlines, Delta and American Airlines are the top three most popular airlines that fly to Chile from St. Louis according to our data. LATAM Airlines 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 4 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?

Air Canada and Delta are the most popular carriers 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 October 2025, there are 4 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.

$311 Cheap Flights from St. Louis to Chile in 2025/26

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Find the cheapest flights from St. Louis to Chile

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:51 am - 5:35 amSTL-SCL

15h 44m2 stops

11:25 pm - 6:04 pmSCL-STL

20h 39m2 stops

$738LATAM Airlines

Find Deal

Wed, Mar 11 - Mon, Mar 23

3:15 pm - 7:40 amSTL-SCL

13h 25m1 stop

10:35 am - 11:40 pmSCL-STL

16h 05m2 stops

$753LATAM Airlines

Find Deal

Thu, Nov 27 - Mon, Dec 8

11:51 am - 5:35 amSTL-SCL

15h 44m2 stops

11:15 pm - 3:01 pmSCL-STL

17h 46m1 stop

$754LATAM Airlines

Find Deal

Wed, Mar 11 - Mon, Mar 23

8:00 am - 7:50 amSTL-SCL

21h 50m2 stops

9:45 pm - 4:04 pmSCL-STL

20h 19m2 stops

$755United Airlines

Find Deal

Wed, Mar 11 - Mon, Mar 23

11:39 am - 7:00 amSTL-SCL

16h 21m2 stops

11:10 pm - 10:45 amSCL-STL

14h 35m1 stop

$756Delta

Find Deal

Mon, Nov 24 - Mon, Dec 8

10:05 am - 7:50 amSTL-SCL

19h 45m1 stop

9:45 pm - 3:54 pmSCL-STL

20h 09m1 stop

$757United Airlines

Find Deal

Wed, Mar 11 - Mon, Mar 23

5:03 pm - 9:05 amSTL-SCL

14h 02m1 stop

9:15 pm - 10:04 pmSCL-STL

26h 49m1 stop

$761American Airlines

Find Deal

Wed, Mar 11 - Mon, Mar 23

1:55 pm - 7:40 amSTL-SCL

14h 45m1 stop

11:10 pm - 10:45 amSCL-STL

14h 35m1 stop

$797Delta

Find Deal

Sat, Nov 29 - Mon, Dec 8

9:43 am - 8:55 amSTL-SCL

21h 12m2 stops

11:15 pm - 1:43 pmSCL-STL

17h 28m2 stops

$849American Airlines

Find Deal

Sat, Nov 1 - Sat, Nov 22

4:05 pm - 12:15 pmSTL-SCL

17h 10m1 stop

8:35 am - 3:29 pmSCL-STL

33h 54m2 stops

$913Air Canada

Find Deal

Fri, Feb 13 - Fri, Feb 20

American Airlines flights from St. Louis to Chile

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

American Airlines

Mar 11

STL5:03 pmLambert-St Louis

14h 02m

1 stop

SCL9:05 amSantiago Arturo Merino Benitez

Mar 23

SCL9:15 pmSantiago Arturo Merino Benitez

26h 49m

1 stop

STL10:04 pmLambert-St Louis

$761

Find similar

American Airlines

Oct 30

STL7:01 amLambert-St Louis

22h 29m

1 stop

SCL7:30 amSantiago Arturo Merino Benitez

Nov 2

SCL10:25 pmSantiago Arturo Merino Benitez

20h 46m

1 stop

STL4:11 pmLambert-St Louis

$804

Find similar

American Airlines

Nov 1

STL9:43 amLambert-St Louis

21h 12m

2 stops

SCL8:55 amSantiago Arturo Merino Benitez

Nov 22

SCL11:15 pmSantiago Arturo Merino Benitez

17h 28m

2 stops

STL1:43 pmLambert-St Louis

$849

Find similar

LATAM Airlines flights from St. Louis to Chile

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

LATAM Airlines

Mar 11

STL11:51 amLambert-St Louis

15h 44m

2 stops

SCL5:35 amSantiago Arturo Merino Benitez

Mar 23

SCL11:25 pmSantiago Arturo Merino Benitez

20h 39m

2 stops

STL6:04 pmLambert-St Louis

$738

Find similar

LATAM Airlines

Nov 27

STL3:15 pmLambert-St Louis

13h 25m

1 stop

SCL7:40 amSantiago Arturo Merino Benitez

Dec 8

SCL10:35 amSantiago Arturo Merino Benitez

16h 05m

2 stops

STL11:40 pmLambert-St Louis

$753

Find similar

LATAM Airlines

Mar 11

STL11:51 amLambert-St Louis

15h 44m

2 stops

SCL5:35 amSantiago Arturo Merino Benitez

Mar 23

SCL11:15 pmSantiago Arturo Merino Benitez

17h 46m

1 stop

STL3:01 pmLambert-St Louis

$754

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 3/11

11:51 am-5:35 am

2 stops15h 44m

Santiago Arturo Merino Benitez

Mon 3/23

11:25 pm-6:04 pm

2 stops20h 39m

$738

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Thu 11/27

3:15 pm-7:40 am

1 stop13h 25m

Santiago Arturo Merino Benitez

Mon 12/8

10:35 am-11:40 pm

2 stops16h 05m

$753

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 3/11

11:51 am-5:35 am

2 stops15h 44m

Santiago Arturo Merino Benitez

Mon 3/23

11:15 pm-3:01 pm

1 stop17h 46m

$754

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 3/11

8:00 am-7:50 am

2 stops21h 50m

Santiago Arturo Merino Benitez

Mon 3/23

9:45 pm-4:04 pm

2 stops20h 19m

$755

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 11/24

11:39 am-7:00 am

2 stops16h 21m

Santiago Arturo Merino Benitez

Mon 12/8

11:10 pm-10:45 am

1 stop14h 35m

$756

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 3/11

10:05 am-7:50 am

1 stop19h 45m

Santiago Arturo Merino Benitez

Mon 3/23

9:45 pm-3:54 pm

1 stop20h 09m

$757

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 3/11

5:03 pm-9:05 am

1 stop14h 02m

Santiago Arturo Merino Benitez

Mon 3/23

9:15 pm-10:04 pm

1 stop26h 49m

$761

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Sat 11/29

1:55 pm-7:40 am

1 stop14h 45m

Santiago Arturo Merino Benitez

Mon 12/8

11:10 pm-10:45 am

1 stop14h 35m

$797

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Sat 11/1

9:43 am-8:55 am

2 stops21h 12m

Santiago Arturo Merino Benitez

Sat 11/22

11:15 pm-1:43 pm

2 stops17h 28m

$849

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Fri 2/13

4:05 pm-12:15 pm

1 stop17h 10m

Santiago Arturo Merino Benitez

Fri 2/20

8:35 am-3:29 pm

2 stops33h 54m

$913

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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, July 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 $878. If you aren’t able to travel during the month of July, then book flights to Chile from St. Louis during April instead. Flights to Chile in April, while not as cheap as those in July, still average around $902.

What is the cheapest day to depart on your flight to Chile?

Our data shows that Wednesday is the least expensive day to fly to Chile. Tickets to fly out on this day can be as low as $955. On the other hand, Saturday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,189.

What is the cheapest time of day to depart on your flight to Chile?

According to our data, the cheapest time of day to fly to Chile is at noon. momondo users have found flights departing from St. Louis to Chile at noon for as low as $982. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,074 on average. Flights to Chile from St. Louis in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Chile?

You are more likely to see cheaper flights to Chile from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Chile for around $999 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chile from St. Louis for as low as $786 on momondo.

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

Direct flights	None

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

Search flight deals

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 2025, there are 4 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
LATAM Airlines	PriceFrom $762	Free Cancellation	Rating 7.5 1,866 reviews	Search LATAM Airlines flights
American Airlines	PriceFrom $803	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
Delta	PriceFrom $848	Free Cancellation	Rating 7.9 7,982 reviews	Search Delta flights
United Airlines	PriceFrom $883	Free Cancellation	Rating 7.4 8,982 reviews	Search United 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.