Cheap flights from St. Louis (STL) to Santiago (SCL)

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How to find the cheapest flight from
St. Louis (STL) to Santiago (SCL)

All the information you need to plan the best STL to SCL flight in 2021: compare St. Louis to Santiago flight prices with the expected peak season, weather and rainfall in Santiago.
STL - SCL
Price
$875 - $1,491
SCL
Temperature
46.4 - 69.8 °F
SCL
Precipitation
0 - 2.8 inches

Popular in

October

High demand for flights, 19% potential price rise

Cheapest in

April

Best time to find cheap flights, 28% potential price drop

Round-trip from

$875

From Lambert-St Louis to Santiago Arturo Merino Benitez

One-way from

$584

One-way flight from Lambert-St Louis to Santiago Arturo Merino Benitez

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from St. Louis to Santiago?

Our data shows that April tends to be the cheapest month to fly to Santiago from St. Louis. Users have commonly found prices around $1,214 for the month, but tickets can be as low as $667. Due to multiple factors, prepare for potentially higher prices in October.

What is the cheapest day to fly round-trip from St. Louis to Santiago?

Travelers have found that booking a Sunday departure is the best way to save up to 18% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

When is the cheapest time to fly from St. Louis to Santiago (STL - SCL)?

A simple way to save on the total cost of your ticket is to fly from St. Louis to Santiago at noon. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the morning.

Cheap flights from St. Louis to Santiago in December, January 2022

The best prices found for STL to SCL flights for December, January
18 Jan - 28 Jan
$928pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
SCL
Santiago Arturo Merino Benitez
SCL
Santiago Arturo Merino Benitez
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
18 Jan - 28 Jan
$968pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
SCL
Santiago Arturo Merino Benitez
SCL
Santiago Arturo Merino Benitez
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
13 Jan - 31 Jan
$1,028pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
SCL
Santiago Arturo Merino Benitez
SCL
Santiago Arturo Merino Benitez
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis

Lambert-St Louis to Santiago 2022 flight deals

Cheap flights to Santiago from St. Louis found for this year
26 Dec - 13 Jan
$1,379pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
SCL
Santiago Arturo Merino Benitez
SCL
Santiago Arturo Merino Benitez
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
26 Dec - 13 Jan
$1,396pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
SCL
Santiago Arturo Merino Benitez
SCL
Santiago Arturo Merino Benitez
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
26 Dec - 12 Jan
$1,491pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
SCL
Santiago Arturo Merino Benitez
SCL
Santiago Arturo Merino Benitez
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis

Last minute flights from St. Louis to Santiago

Late deals on round-trip flights to Santiago from St. Louis, departing today and this week
15 Dec - 17 Jan
$2,083pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
SCL
Santiago Arturo Merino Benitez
SCL
Santiago Arturo Merino Benitez
American Airlines
   
2 STOPS
STL
Lambert-St Louis
15 Dec - 17 Jan
$2,172pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
SCL
Santiago Arturo Merino Benitez
SCL
Santiago Arturo Merino Benitez
American Airlines
 
1 STOP
STL
Lambert-St Louis
15 Dec - 17 Jan
$2,177pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
SCL
Santiago Arturo Merino Benitez
SCL
Santiago Arturo Merino Benitez
American Airlines
 
1 STOP
STL
Lambert-St Louis

One-way flights to Arturo Merino Benitez from St. Louis

The cheapest one-way flights from St. Louis to Santiago
2:00 am - 2:00 am
Delta
2 Stops
21h 00m
STL - SCL
Delta
$584
Delta
3:00 am - 3:50 am
United Airlines
1 Stop
21h 50m
STL - SCL
United Airlines
$739
United
4:25 am - 3:50 am
Multiple Airlines
3 Stops
20h 25m
STL - SCL
Multiple Airlines
$2,380
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Santiago</span> flights.

Flight FAQs

From St. Louis to Santiago

Which airlines flying from Lambert-St Louis to Santiago Arturo Merino Benitez have flexible cancellations due to COVID-19?

American Airlines, Delta, and Copa Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from St. Louis to Santiago for under $700 on Cheapflights?

Yes, there are multiple flights from St. Louis to Santiago for under $700. The cheapest flight booked recently is on Multiple Airlines for just $620, but on average you can expect to pay $812.

Are there last-minute flights available from St. Louis to Santiago for under $2,100?

There are currently 4+ open flights from St. Louis to Santiago within the next 7 days for less than $2,100.

What are the cheapest airlines flying from St. Louis to Santiago round-trip?

Flying on Delta is currently your cheapest option to Santiago, with prices starting at $880. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $893 and $1,005, respectively. These flights start at 27% lower than the current average price 3 months from now.

What are the cheapest flights from St. Louis to Santiago?

While on average a flight from St. Louis to Santiago is generally $1,322, our data shows the cheapest flight currently is $1,055. When looking at the most popular route, (Lambert-St Louis - Santiago Arturo Merino Benitez), you can expect to pay $676 for that flight.

What are the most popular airlines that fly from St. Louis to Santiago?

When booking a flight from St. Louis to Santiago, you may want to consider flying on American Airlines, Air Canada or Copa Airlines as they are the most popular for this route.

COVID Restrictions

View COVID Travel Restrictions for Santiago (SCL)

Do I need a COVID test to fly to Santiago from St. Louis?

Information is based on travel restrictions from Lambert-St Louis to Santiago Arturo Merino Benitez

Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter Santiago Arturo Merino Benitez.

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Santiago Arturo Merino Benitez.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Santiago Arturo Merino Benitez.

Documents
Health Declaration Form - The validity of this document is 48 hours.


Do I need a test to fly back to St. Louis from Santiago?

Returning to Lambert-St Louis from Santiago Arturo Merino Benitez

COVID-19 testing requirements
Visitors from Santiago Arturo Merino Benitez must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Santiago Arturo Merino Benitez are not required to quarantine after entering Lambert-St Louis.

Hide COVID Travel Restrictions for Santiago (SCL)

Destination information for Santiago

Things to know before you go - useful duration and weather info for your trip from St. Louis to Santiago.
Today's exchange rate
$1 = $841
Average temperature for December in Santiago
84.2 °F
Avg rainfall for December in Santiago
0.2 ″

Airports servicing St. Louis

Airports servicing Santiago

Santiago Arturo Merino Benitez (SCL)

Top 4 airlines flying from Lambert-St Louis to Santiago Arturo Merino Benitez

The chart below displays the airlines Cheapflights users traveling from St. Louis to Santiago choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Copa Airlines
$1,211 $1,423 No cancel fee 70%
American Airlines
$1,249 $1,441 No cancel fee 71%
Delta
$1,274 $1,510 No cancel fee N/A
Air Canada
$1,285 $1,345 No cancel fee 67%
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