$663 Find Cheap Flights from St. Louis to Chile - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Chile departing on 8/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

Save 20% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Booking Insights
Flight Deals

Book Cheap St. Louis to Chile Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Chile that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Chile

Wed, Sep 9 - Mon, Nov 16
American Airlines Logo
5:00 am - 8:00 am
STL
-
SCL
25h 00m
1 stop
American Airlines Logo
10:15 pm - 9:47 pm
SCL
-
STL
26h 32m
1 stop
$990American Airlines
Wed, Nov 18 - Tue, Dec 15
United Airlines Logo
8:30 am - 8:50 am
STL
-
SCL
21h 20m
1 stop
United Airlines Logo
10:45 pm - 4:44 pm
SCL
-
STL
20h 59m
1 stop
$995United Airlines
Wed, Oct 21 - Wed, Nov 4
LATAM Airlines Logo
2:25 pm - 8:15 am
STL
-
SCL
15h 50m
1 stop
LATAM Airlines Logo
11:10 pm - 10:51 am
SCL
-
STL
14h 41m
1 stop
$995LATAM Airlines
Wed, Sep 9 - Mon, Nov 16
American Airlines Logo
12:46 pm - 8:00 am
STL
-
SCL
17h 14m
2 stops
American Airlines Logo
10:15 pm - 2:04 pm
SCL
-
STL
18h 49m
2 stops
$995American Airlines
Wed, Nov 18 - Tue, Dec 15
United Airlines Logo
1:08 pm - 8:50 am
STL
-
SCL
16h 42m
2 stops
United Airlines Logo
10:45 pm - 4:44 pm
SCL
-
STL
20h 59m
1 stop
$995United Airlines
Wed, Nov 18 - Wed, Nov 25
American Airlines Logo
5:00 pm - 9:00 am
STL
-
SCL
13h 00m
1 stop
American Airlines Logo
10:15 pm - 5:25 pm
SCL
-
STL
22h 10m
1 stop
$995American Airlines
Wed, Dec 23 - Tue, Dec 29
LATAM Airlines Logo
9:00 am - 5:35 am
STL
-
SCL
17h 35m
2 stops
LATAM Airlines Logo
11:10 pm - 6:01 pm
SCL
-
STL
21h 51m
2 stops
$997LATAM Airlines
Wed, Dec 23 - Tue, Dec 29
United Airlines Logo
6:50 pm - 8:50 am
STL
-
SCL
35h 00m
2 stops
United Airlines Logo
10:45 pm - 4:44 pm
SCL
-
STL
20h 59m
1 stop
$1,002United Airlines
Wed, Sep 2 - Mon, Sep 7
Delta Logo
11:00 am - 7:15 am
STL
-
SCL
19h 15m
1 stop
Delta Logo
8:40 pm - 3:54 pm
SCL
-
STL
21h 14m
1 stop
$1,007Delta
Wed, Sep 2 - Mon, Sep 7
Delta Logo
6:00 am - 4:40 am
STL
-
SCL
21h 40m
2 stops
Delta Logo
8:40 pm - 2:08 pm
SCL
-
STL
19h 28m
1 stop
$1,007Delta
Booking Insights

KAYAK's insights & trends for St. Louis to Chile flights

Get data-powered insights and trends into flights from St. Louis to Chile to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from St. Louis to Chile?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Chile, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Chile is March, when tickets cost $823 (return) on average. On the other hand, the most expensive months are January and June, when the average cost of round-trip tickets is $1,948 and $1,605 respectively.

Find deals

Good to know

Low season

April

Cheapest flight

$663
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly and prices are also 32% lower on average.
Flight from St. Louis to Santiago

FAQs - booking Chile flights

  • How does KAYAK find such low prices on flights from St. Louis to Chile?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Chile.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Chile?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from St. Louis to Chile is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Chile?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from St. Louis to Chile with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Chile?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from St. Louis to Chile up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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

Information on your arrival and departure airports

St. Louis (STL)