Chile

$461+ Cheap flights from St. Louis (STL) to Chile

STL — SCL
Nov 30 — Dec 71
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Cheap flight deals from St. Louis to Chile

Cheapest flights from St. Louis to Chile

Fri 11/271:20 pm -
2 stops22h 50m
Fri 12/44:15 pm -
2 stops34h 57m
Deal found 10/30$718
Wed 12/236:00 am -
2 stops20h 55m
Mon 12/285:55 pm -
2 stops18h 12m
Deal found 10/29$962
Tue 12/14:05 pm -
2 stops35h 33m
Thu 12/1010:00 am -
3 stops28h 17m
Deal found 10/25$1,084
Wed 12/307:05 am -
2 stops19h 15m
Thu 1/149:50 pm -
1 stop21h 44m
Deal found 10/27$1,116
Mon 12/283:48 pm -
2 stops20h 12m
Fri 1/159:50 pm -
1 stop19h 44m
Deal found 10/26$1,127
Wed 12/306:00 am -
1 stop21h 40m
Thu 1/149:50 pm -
1 stop14h 27m
Deal found 10/27$1,136
Sun 11/86:00 am -
2 stops20h 20m
Thu 11/124:35 pm -
2 stops34h 21m
Deal found 10/27$1,138
Sun 12/137:03 am -
1 stop20h 37m
Sun 12/2011:10 pm -
2 stops20h 18m
Deal found 10/28$1,142
Thu 12/1010:45 am -
1 stop19h 05m
Thu 12/1710:45 pm -
1 stop14h 04m
Deal found 10/25$1,152

Find flight deals from St. Louis to Chile

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$718
(Mytrip)

One-way from

$461
(Kiwi.com)

Popular in

January

Cheapest in

March

Average price

$995
Provider with most accurate pricing for Lambert-St Louis-Santiago Arturo Merino Benitez flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Santiago Arturo Merino Benitez flights.
From Lambert-St Louis to Chile
One-way flight from Lambert-St Louis to Chile
Highest demand for flights based on searches. 7% potential increase in price ($100 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
Average for round-trip flights in October 2026

Cheapflights Fare Finder

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

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

Wed 12/30

6:21 pm-12:08 am

3 stops26h 47m

Santiago Arturo Merino Benitez

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$519

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Sun 1/17

5:59 pm-6:40 am

2 stops33h 41m

Santiago Arturo Merino Benitez

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$526

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Sat 1/16

7:02 pm-9:15 pm

3 stops47h 13m

Santiago Arturo Merino Benitez

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$546
Quickest round-trip

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Sat 1/16

3:48 pm-7:40 am

1 stop12h 52m

Santiago Arturo Merino Benitez

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$738

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Tue 12/1

4:05 pm-6:38 am

3 stops35h 33m

Santiago Arturo Merino Benitez

Thu 12/10

10:00 am-11:17 am

3 stops28h 17m

$1,087

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Mon 2/15

10:05 am-8:50 am

1 stop19h 45m

Santiago Arturo Merino Benitez

Tue 3/2

10:45 pm-9:20 am

1 stop13h 35m

$1,116

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Mon 2/15

3:40 pm-3:00 pm

2 stops20h 20m

Santiago Arturo Merino Benitez

Tue 3/2

8:25 pm-2:43 pm

2 stops21h 18m

$1,116

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Mon 2/1

4:56 pm-7:40 am

1 stop11h 44m

Santiago Arturo Merino Benitez

Sat 2/13

8:13 am-11:39 pm

2 stops18h 26m

$1,127

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Mon 12/28

3:48 pm-3:00 pm

2 stops20h 12m

Santiago Arturo Merino Benitez

Fri 1/15

9:50 pm-2:34 pm

1 stop19h 44m

$1,127

St. LouisSantiago

STL Lambert-St Louis - SCL Santiago Arturo Merino Benitez

STLSCL

Lambert-St Louis

Sat 2/20

9:00 am-7:40 am

1 stop19h 40m

Santiago Arturo Merino Benitez

Sat 3/6

9:50 pm-2:43 pm

1 stop19h 53m

$1,138

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Sorted by cheapest first

Best time to book a flight from St. Louis to Chile

Have a flexible travel schedule? Discover the best time to fly to Chile from St. Louis with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Chile

What is the cheapest month to book a flight from St. Louis to Chile?

Currently, October is the cheapest month in which you can book a flight from St. Louis to Chile (average of $995). Flying from St. Louis to Chile in January is currently the most expensive (average of $1,667). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Chile

Peruse reviews from past customers who have flown with Delta,LATAM Airlines, andAmerican Airlines from St. Louis to Chile to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Overall

7.8

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Crew

8.5

Overall

7.8

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Crew

8.5

Overall

7.8

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Crew

8.5

Overall

7.8

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Related info for your journey

  • What airport do you fly from for flights from St. Louis to Chile?

    For a flight from St. Louis to Chile, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • How long is the flight from St. Louis to Chile?

    Departing from St. Louis to Chile will take you 19h 45m. There are 5137 mi between St. Louis and Chile.

  • Can I find deals for flights from St. Louis to Chile that include hotel bookings?

    Yes. In addition to deals on St. Louis to Chile flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Chile?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Chile.

  • Can I find deals for business class flights from St. Louis to Chile?

    Yes. Cheapflights offers flight deals from St. Louis to Chile by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Chile?

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Chile (average of $995). Flying from St. Louis to Chile in January is currently the most expensive (average of $1,667). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from St. Louis to Chile

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$762Average$1,218FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$792Average$1,037FlexibilityNo cancel feeOn-time81%
DeltaCheapest$858Average$1,227FlexibilityNo cancel feeOn-timeN/A

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