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Cheap flights from St. Louis (STL) to Santiago (SCL) from $944

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/13. 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 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
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 2, 2024.

Popular in

December

Cheapest in

July

Average price

$955

Round-trip from

$717
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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Average for round-trip flights in June 2024
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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 33% on your trip compared to booking a flight in the afternoon.

Cheap American Airlines flights from St. Louis to Santiago

Explore cheap flight options specifically provided by American Airlines for the route between St. Louis and Santiago. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Take a look at some of the lowest-priced American Airlines flights heading from St. Louis to Santiago. Come back soon if you're not finding the exact deal you're looking for.
Fri 9/139:14 amSTL - SCL
2 stops20h 36mAmerican Airlines
Sun 9/2910:55 pmSCL - STL
2 stops19h 20mAmerican Airlines
Deal found 5/31$944
Fri 9/139:14 amSTL - SCL
2 stops20h 36mAmerican Airlines
Sun 9/2910:55 pmSCL - STL
1 stop26h 26mAmerican Airlines
Deal found 5/31$957
Fri 9/135:21 amSTL - SCL
1 stop24h 29mAmerican Airlines
Sun 9/2910:55 pmSCL - STL
1 stop26h 26mAmerican Airlines
Deal found 5/31$965
Fri 9/139:14 amSTL - SCL
2 stops20h 36mAmerican Airlines
Sun 9/2910:55 pmSCL - STL
2 stops19h 20mAmerican Airlines
Deal found 5/31$3,214
Fri 9/135:21 amSTL - SCL
1 stop24h 29mAmerican Airlines
Sun 9/2910:55 pmSCL - STL
1 stop26h 26mAmerican Airlines
Deal found 5/31$3,270

Cheap LATAM Airlines flights from St. Louis to Santiago

Explore cheap flight options specifically provided by LATAM Airlines for the route between St. Louis and Santiago. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Some of the lowest-priced LATAM Airlines flights we've found at this time heading from St. Louis to Santiago. Deals are refreshing constantly so come back soon for more options.
Thu 9/127:15 pmSTL - SCL
2 stops17h 45mLATAM Airlines
Tue 9/248:50 amSCL - STL
2 stops16h 45mLATAM Airlines
Deal found 5/31$1,032
Fri 9/137:15 pmSTL - SCL
2 stops17h 30mLATAM Airlines
Sat 9/281:25 amSCL - STL
2 stops18h 34mLATAM Airlines
Deal found 5/31$1,062
Fri 9/132:05 pmSTL - SCL
3 stops21h 25mLATAM Airlines
Sun 9/295:40 pmSCL - STL
2 stops19h 03mLATAM Airlines
Deal found 5/31$1,120
Fri 9/132:05 pmSTL - SCL
1 stop14h 55mLATAM Airlines
Sun 9/298:40 pmSCL - STL
1 stop14h 11mLATAM Airlines
Deal found 5/31$1,999
Fri 9/137:15 pmSTL - SCL
2 stops32h 25mLATAM Airlines
Sun 9/298:40 pmSCL - STL
1 stop16h 03mLATAM Airlines
Deal found 5/31$2,083
Fri 9/132:05 pmSTL - SCL
1 stop14h 55mLATAM Airlines
Sat 9/281:43 amSCL - STL
2 stops23h 52mLATAM Airlines
Deal found 5/31$2,097
Fri 9/135:05 pmSTL - SCL
2 stops22h 33mLATAM Airlines
Sat 9/281:43 amSCL - STL
2 stops23h 52mLATAM Airlines
Deal found 5/31$2,191
Fri 9/132:05 pmSTL - SCL
2 stops19h 03mLATAM Airlines
Sun 9/2910:55 pmSCL - STL
2 stops26h 40mLATAM Airlines
Deal found 5/31$2,258
Thu 8/13:49 pmSTL - SCL
1 stop14h 11mLATAM Airlines
Mon 8/124:15 amSCL - STL
2 stops20h 24mLATAM Airlines
Deal found 6/1$5,017

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 2,810,401 searches. Data last updated June 2, 2024.
Scroll through some of the best deals on flights from St. Louis to Santiago in 2024. Check back regularly for other flight deals.
Fri 9/139:14 amSTL - SCL
2 stops20h 36mAmerican Airlines
Sun 9/2910:55 pmSCL - STL
2 stops19h 20mAmerican Airlines
Deal found 5/31$944
Fri 9/139:14 amSTL - SCL
2 stops20h 36mAmerican Airlines
Sun 9/2910:55 pmSCL - STL
1 stop26h 26mAmerican Airlines
Deal found 5/31$957
Fri 9/135:21 amSTL - SCL
1 stop24h 29mAmerican Airlines
Sun 9/2910:55 pmSCL - STL
1 stop26h 26mAmerican Airlines
Deal found 5/31$965
Thu 9/127:15 pmSTL - SCL
2 stops17h 45mLATAM Airlines
Tue 9/248:50 amSCL - STL
2 stops16h 45mLATAM Airlines
Deal found 5/31$1,032
Fri 9/137:15 pmSTL - SCL
2 stops17h 30mLATAM Airlines
Sat 9/281:25 amSCL - STL
2 stops18h 34mLATAM Airlines
Deal found 5/31$1,062
Fri 9/132:05 pmSTL - SCL
3 stops21h 25mLATAM Airlines
Sun 9/295:40 pmSCL - STL
2 stops19h 03mLATAM Airlines
Deal found 5/31$1,120
Fri 9/136:02 amSTL - SCL
3 stops38h 43mMultiple Airlines
Sat 9/281:25 amSCL - STL
2 stops24h 10mMultiple Airlines
Deal found 5/31$1,554
Fri 9/132:05 pmSTL - SCL
1 stop14h 55mLATAM Airlines
Sun 9/298:40 pmSCL - STL
1 stop14h 11mLATAM Airlines
Deal found 5/31$1,999
Fri 9/137:15 pmSTL - SCL
2 stops32h 25mLATAM Airlines
Sun 9/298:40 pmSCL - STL
1 stop16h 03mLATAM Airlines
Deal found 5/31$2,083

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 2,810,401 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$944 - $2,376

Route

Depart

Return

Price

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Fri 9/13

2 stops20h 36m

Santiago Arturo Merino Benitez

Sun 9/29

2 stops19h 20m

$944

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Fri 9/13

2 stops20h 36m

Santiago Arturo Merino Benitez

Sun 9/29

1 stop26h 26m

$957

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Fri 9/13

1 stop24h 29m

Santiago Arturo Merino Benitez

Sun 9/29

1 stop26h 26m

$965

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Thu 9/12

2 stops17h 45m

Santiago Arturo Merino Benitez

Tue 9/24

2 stops16h 45m

$1,032

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Fri 9/13

2 stops17h 30m

Santiago Arturo Merino Benitez

Sat 9/28

2 stops18h 34m

$1,062

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Fri 9/13

3 stops21h 25m

Santiago Arturo Merino Benitez

Sun 9/29

2 stops19h 03m

$1,120

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Fri 9/13

3 stops38h 43m

Santiago Arturo Merino Benitez

Sat 9/28

2 stops24h 10m

$1,554

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Fri 9/13

1 stop14h 55m

Santiago Arturo Merino Benitez

Sun 9/29

1 stop14h 11m

$1,999

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Fri 9/13

2 stops20h 20m

Santiago Arturo Merino Benitez

Sun 9/29

3 stops32h 55m

$2,376

Flights are sorted by cheapest first

Deals found on 5/31

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.
Search Deals

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 May 26, 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. Tuesday 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

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 2, 2024.
Read through reviews of airlines operating flights from St. Louis to Santiago, such as American Airlines, LATAM Airlines and Copa Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,410 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,410 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Copa Airlines
8.0
Very good
2,599 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

LATAM Airlines
7.6
Good
2,354 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,260 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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 $1,000 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Santiago for under $1,000. The cheapest flight booked recently is on American Airlines for just $944, but on average you can expect to pay $2,145.

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

    Flying on American Airlines is currently your cheapest option to Santiago, with prices starting at $944. Additional round-trip tickets that might be worth considering are offered by LATAM Airlines and Delta, with the lowest prices starting at $1,032 and $4,976, respectively. These flights start at 13% 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 5/31.

  • 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 $717). Flying from St. Louis to Santiago in December is currently the most expensive (average of $944). 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.

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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 2,810,401 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$665Average$997FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
LATAM AirlinesCheapest$686Average$907FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
American AirlinesCheapest$763Average$1,155FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Santiago?

Cheapflights helps you search for flights from St. Louis to Santiago via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Santiago?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Santiago.

Can Cheapflights find flights from St. Louis to Santiago with no change fees?

Yes, we can. To see specific flights from St. Louis to Santiago with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from St. Louis to Santiago become cheaper?

Not ready to book yet? You can track prices for flights from St. Louis to Santiago on Cheapflights with our Price Alert feature and get notified when better prices are available.

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