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Cheap flights from St. Louis (STL) to Santiago (SCL) from $356

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. 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.
STL — SCL
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
1 adult, Economy
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The best prices from Lambert-St Louis to Santiago Arturo Merino Benitez are usually found in July or August, booked 58 days in advance, depart on a Friday or Sunday and return on a Tuesday

Cheap flight deals from St. Louis to Santiago

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Santiago (SCL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 6, 2024.

Popular in

December

Cheapest in

July

Round-trip from

$719

One-way from

$356
High demand for flights, 28% potential price rise
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Best time to find cheap flights, 17% potential price drop
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From Lambert-St Louis to Santiago Arturo Merino Benitez
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One-way flight from Lambert-St Louis to Santiago Arturo Merino Benitez
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What is the cheapest day to fly round-trip from St. Louis to Santiago?

Travelers have found that booking a Thursday departure is the best way to save up to 16% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from St. Louis to Santiago?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 59 days in advance, which can save you up to 144% on flights from St. Louis to Santiago compared to booking the week you need them. Waiting 59 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $858. For sooner than that we have options available in the next 3 days from $1,675.

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

Our data shows that July tends to be the cheapest month to fly to Santiago from St. Louis. Users have commonly found prices around $1,093 for the month, but tickets can be as low as $864. Due to multiple factors, prepare for potentially higher prices in December.

What is the cheapest time of day to fly from STL to SCL?

A simple way to save on the total cost of your ticket is to fly from St. Louis to Santiago in the evening. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the afternoon.

St. Louis to Santiago 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Santiago in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Wed 8/211:48 pmSTL - SCL
3 stops46h 37mMultiple Airlines
Sat 8/2411:55 pmSCL - STL
3 stops32h 25mMultiple Airlines
Deal found 6/5$658
Wed 8/211:48 pmSTL - SCL
3 stops46h 37mMultiple Airlines
Sat 8/246:10 amSCL - STL
2 stops26h 10mMultiple Airlines
Deal found 6/5$681
Tue 10/82:05 pmSTL - SCL
1 stop14h 55mLATAM Airlines
Tue 10/151:25 amSCL - STL
2 stops33h 26mLATAM Airlines
Deal found 6/6$692
Wed 8/211:48 pmSTL - SCL
3 stops46h 37mMultiple Airlines
Fri 8/233:00 amSCL - STL
2 stops29h 20mMultiple Airlines
Deal found 6/5$698
Wed 8/211:48 pmSTL - SCL
3 stops46h 37mMultiple Airlines
Fri 8/233:00 amSCL - STL
3 stops29h 20mMultiple Airlines
Deal found 6/5$750
Wed 8/217:57 amSTL - SCL
2 stops19h 13mMultiple Airlines
Sat 8/2411:55 pmSCL - STL
2 stops32h 12mMultiple Airlines
Deal found 6/5$769
Wed 8/2112:43 pmSTL - SCL
1 stop17h 17mLATAM Airlines
Sat 8/2410:55 pmSCL - STL
2 stops25h 44mLATAM Airlines
Deal found 6/5$1,022
Fri 12/274:00 pmSTL - SCL
1 stop12h 20mLATAM Airlines
Fri 1/101:15 amSCL - STL
2 stops25h 23mLATAM Airlines
Deal found 6/6$1,062
Fri 12/276:00 amSTL - SCL
2 stops21h 30mLATAM Airlines
Fri 1/101:15 amSCL - STL
2 stops25h 23mLATAM Airlines
Deal found 6/6$1,067

One-way flights to Santiago from St. Louis

Search for one-way flight options from St. Louis to Santiago. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Thu 9/127:57 amSTL - SCL
3 stops24h 49mMultiple Airlines
Deal found 6/6$356
Thu 9/125:20 pmSTL - SCL
2 stops24h 01mMultiple Airlines
Deal found 6/6$394
Thu 9/123:55 pmSTL - SCL
1 stop13h 05mLATAM Airlines
Deal found 6/6$532

Find flights from St. Louis to Santiago within your budget

Customize your flight search to find flights from St. Louis to Santiago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$658 - $1,196

Route

Depart

Return

Price

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Wed 8/21

3 stops46h 37m

Santiago Arturo Merino Benitez

Sat 8/24

3 stops32h 25m

$658

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Wed 8/21

3 stops46h 37m

Santiago Arturo Merino Benitez

Sat 8/24

2 stops26h 10m

$681

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Tue 10/8

1 stop14h 55m

Santiago Arturo Merino Benitez

Tue 10/15

2 stops33h 26m

$692

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Wed 8/21

3 stops46h 37m

Santiago Arturo Merino Benitez

Fri 8/23

2 stops29h 20m

$698

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Wed 8/21

3 stops46h 37m

Santiago Arturo Merino Benitez

Fri 8/23

3 stops29h 20m

$750

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Wed 8/21

2 stops19h 13m

Santiago Arturo Merino Benitez

Sat 8/24

2 stops32h 12m

$769

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Wed 8/21

1 stop17h 17m

Santiago Arturo Merino Benitez

Sat 8/24

2 stops25h 44m

$1,022

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Wed 8/21

1 stop17h 17m

Santiago Arturo Merino Benitez

Sat 8/24

1 stop27h 59m

$1,114

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Wed 8/21

1 stop12h 34m

Santiago Arturo Merino Benitez

Fri 8/23

2 stops36h 13m

$1,196

Flights are sorted by cheapest first

Deals found on 6/5

How far ahead should I book a flight from St. Louis to Santiago?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Santiago. Price data was last updated on May 31, 2024.
To ensure you get the cheapest price possible for a flight from St. Louis to Santiago, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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What is the cheapest day to fly from St. Louis to Santiago?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Santiago. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Santiago flight should consider departing on Wednesday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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

Have a flexible travel schedule? Discover the best time to fly to Santiago from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Santiago by month

Plan your trip to Santiago by taking into account the average temperature and rainfall totals by month.

SCL

Temperature

46.4 - 69.8 °F

If weather is an important factor for your trip to Santiago, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 46.4 F).

Reviews of airlines servicing Santiago

Get insights into the airlines that provide service to Santiago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santiago. Reviews last updated June 6, 2024.
LATAM Airlines
7.5
Good
2,322 reviews

Boarding

7.6

Overall

7.5

Comfort

7.4

Entertainment

7.1

Food

6.8

Crew

8.1

Reviews

1 / 10

I almost lost my connection flight because of tehe delay, but the worst part was that the crew didn’t help me at all

LATAM Airlines
7.5
Good
2,322 reviews
LATAM Airlines
7.5
Good
2,322 reviews

Boarding

7.6

Overall

7.5

Comfort

7.4

Entertainment

7.1

Food

6.8

Crew

8.1

Reviews

1 / 10

I almost lost my connection flight because of tehe delay, but the worst part was that the crew didn’t help me at all

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Santiago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 $658, but on average you can expect to pay $1,389.

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

    Flying on LATAM Airlines is currently your cheapest option to Santiago, with prices starting at $692. This flight start at 36% lower than the current average price 3 months from now.

  • What does STL to SCL mean?

    STL and SCL are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to SCL refers to a flight route from Lambert-St Louis Airport to Santiago Arturo Merino Benitez Airport.

  • Can I find deals for flights from St. Louis to Santiago that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Santiago flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Santiago with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Santiago flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from St. Louis to Santiago that allow pets onboard?

    Many airlines flying from St. Louis to Santiago offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Santiago?

    Yes, you can often find last-minute deals on St. Louis to Santiago flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Santiago flight deals updated?

    The St. Louis to Santiago flight deals you see on this page were last updated on 6/6.

  • 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, Delta or LATAM Airlines as they are the most popular for this route.

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

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Santiago (average of $719). Flying from St. Louis to Santiago in December is currently the most expensive (average of $943). 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.

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Alternative routes for St. Louis to Santiago
See prices for flight routes from nearby airports that may be better suited for you.

Kansas City to Santiago flights
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Top 4 airlines flying from St. Louis to Santiago

Discover the top 4 airlines that operate flights from St. Louis to Santiago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$665Average$997FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$686Average$921FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$780Average$1,162FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$878Average$1,375FlexibilityNo cancel feeOn-time69%
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Search flights from St. Louis to Santiago by cabin class

Find flights from St. Louis to Santiago, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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