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Cheap flights from St. Louis (STL) to Santiago (SCL) from $562

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 7/27. 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
May 10 — May 171
From?
To?
Fri 5/10
Fri 5/17
1 adult, Economy
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The best prices from Lambert-St Louis to Santiago Arturo Merino Benitez are usually found in August or July, booked 58 days in advance, depart on a Sunday or Friday 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 May 5, 2024.

Popular in

December

Cheapest in

August

Round-trip from

$719

One-way from

$562
High demand for flights, 28% potential price rise
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Best time to find cheap flights, 18% 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 Saturday 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 August tends to be the cheapest month to fly to Santiago from St. Louis. Users have commonly found prices around $1,095 for the month, but tickets can be as low as $779. Due to multiple factors, prepare for potentially higher prices in December.

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 in the evening. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the afternoon.

Cheap Delta flights from St. Louis to Santiago

Explore cheap flight options specifically provided by Delta 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 2,719,943 searches. Data last updated May 5, 2024.
Take a look at some of the lowest-priced Delta flights heading from St. Louis to Santiago. Come back soon if you're not finding the exact deal you're looking for.
Sun 8/182:05 pmSTL - SCL
1 stop15h 55mDelta
Sat 8/248:40 pmSCL - STL
1 stop15h 07mDelta
Deal found 5/4$1,162
Fri 7/123:43 pmSTL - SCL
1 stop14h 17mDelta
Mon 7/1512:30 amSCL - STL
2 stops18h 34mDelta
Deal found 5/4$1,222

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 2,719,943 searches. Data last updated May 5, 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 7/41:06 pmSTL - SCL
1 stop16h 54mLATAM Airlines
Mon 7/157:55 amSCL - STL
2 stops16h 49mLATAM Airlines
Deal found 5/4$4,921
Thu 7/410:15 amSTL - SCL
1 stop19h 45mLATAM Airlines
Mon 7/158:40 pmSCL - STL
1 stop13h 26mLATAM Airlines
Deal found 5/4$4,977
Thu 7/44:02 pmSTL - SCL
1 stop13h 58mLATAM Airlines
Sun 7/1412:33 amSCL - STL
2 stops21h 38mLATAM Airlines
Deal found 5/4$5,236
Thu 7/41:06 pmSTL - SCL
2 stops26h 29mLATAM Airlines
Sun 7/1412:33 amSCL - STL
2 stops21h 38mLATAM Airlines
Deal found 5/4$5,248
Thu 7/41:06 pmSTL - SCL
3 stops23h 24mLATAM Airlines
Mon 7/159:15 pmSCL - STL
2 stops27h 29mLATAM Airlines
Deal found 5/4$5,258
Thu 7/41:06 pmSTL - SCL
3 stops23h 24mLATAM Airlines
Sun 7/1412:33 amSCL - STL
2 stops21h 38mLATAM Airlines
Deal found 5/4$5,505
Thu 7/41:06 pmSTL - SCL
3 stops23h 24mLATAM Airlines
Mon 7/152:50 pmSCL - STL
3 stops28h 14mLATAM Airlines
Deal found 5/4$5,514

Cheap St. Louis to Santiago flights in May & June 2024

Find cheap flight options from St. Louis to Santiago specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Prices were last updated on May 5, 2024.
Scroll through some of the best deals on flights from St. Louis to Santiago in 2024. Check back regularly for other flight deals.
Tue 5/72:35 pmSTL - SCL
2 stops36h 50mMultiple Airlines
Sun 6/211:55 pmSCL - STL
2 stops34h 44mMultiple Airlines
Deal found 5/4$761
Tue 5/77:16 pmSTL - SCL
2 stops26h 41mMultiple Airlines
Sun 6/29:40 amSCL - STL
1 stop32h 58mMultiple Airlines
Deal found 5/4$1,066
Tue 5/78:27 amSTL - SCL
3 stops30h 33mMultiple Airlines
Sun 6/211:25 amSCL - STL
3 stops28h 49mMultiple Airlines
Deal found 5/4$1,133
Tue 5/74:48 pmSTL - SCL
1 stop13h 02mAmerican Airlines
Sun 6/29:55 pmSCL - STL
1 stop26h 24mAmerican Airlines
Deal found 5/4$1,275
Tue 5/73:27 pmSTL - SCL
1 stop14h 33mLATAM Airlines
Sat 6/112:30 amSCL - STL
2 stops18h 35mLATAM Airlines
Deal found 5/4$1,342
Tue 5/76:30 pmSTL - SCL
2 stops18h 35mLATAM Airlines
Sat 6/112:30 amSCL - STL
2 stops20h 55mLATAM Airlines
Deal found 5/4$1,354
Tue 5/76:30 amSTL - SCL
3 stops21h 10mMultiple Airlines
Sun 6/24:15 pmSCL - STL
2 stops30h 29mMultiple Airlines
Deal found 5/4$1,731
Tue 5/76:30 amSTL - SCL
3 stops21h 10mMultiple Airlines
Sat 6/112:30 amSCL - STL
2 stops22h 14mMultiple Airlines
Deal found 5/4$1,950

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 2,719,943 searches. Data last updated May 5, 2024.
Scroll through some of the best deals on flights from St. Louis to Santiago in 2024. Check back regularly for other flight deals.
Tue 5/72:35 pmSTL - SCL
2 stops36h 50mMultiple Airlines
Sun 6/211:55 pmSCL - STL
2 stops34h 44mMultiple Airlines
Deal found 5/4$761
Tue 5/77:16 pmSTL - SCL
2 stops26h 41mMultiple Airlines
Sun 6/29:40 amSCL - STL
1 stop32h 58mMultiple Airlines
Deal found 5/4$1,066
Tue 5/78:27 amSTL - SCL
3 stops30h 33mMultiple Airlines
Sun 6/211:25 amSCL - STL
3 stops28h 49mMultiple Airlines
Deal found 5/4$1,133
Sun 8/182:05 pmSTL - SCL
1 stop15h 55mDelta
Sat 8/248:40 pmSCL - STL
1 stop15h 07mDelta
Deal found 5/4$1,162
Fri 7/123:43 pmSTL - SCL
1 stop14h 17mDelta
Mon 7/1512:30 amSCL - STL
2 stops18h 34mDelta
Deal found 5/4$1,222
Tue 5/74:48 pmSTL - SCL
1 stop13h 02mAmerican Airlines
Sun 6/29:55 pmSCL - STL
1 stop26h 24mAmerican Airlines
Deal found 5/4$1,275
Tue 5/73:27 pmSTL - SCL
1 stop14h 33mLATAM Airlines
Sat 6/112:30 amSCL - STL
2 stops18h 35mLATAM Airlines
Deal found 5/4$1,342
Tue 5/76:30 pmSTL - SCL
2 stops18h 35mLATAM Airlines
Sat 6/112:30 amSCL - STL
2 stops20h 55mLATAM Airlines
Deal found 5/4$1,354
Tue 5/76:30 amSTL - SCL
3 stops21h 10mMultiple Airlines
Sun 6/24:15 pmSCL - STL
2 stops30h 29mMultiple Airlines
Deal found 5/4$1,731

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 2,719,943 searches. Data last updated May 5, 2024.
Users in need of a one-way flight from St. Louis to Santiago can choose from these deals. Users in need of a round-trip flight from St. Louis to Santiago instead should update the search form at the top of page.
Sat 7/2712:51 pmSTL - SCL
1 stop17h 09mDelta
Deal found 5/4$562
Sat 7/2712:51 pmSTL - SCL
3 stops23h 39mLATAM Airlines
Deal found 5/4$1,056

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 2,719,943 searches. Data last updated May 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,162 - $4,977

Route

Depart

Return

Price

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Sun 8/18

1 stop15h 55m

Santiago Arturo Merino Benitez

Sat 8/24

1 stop15h 07m

$1,162

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Fri 7/12

1 stop14h 17m

Santiago Arturo Merino Benitez

Mon 7/15

2 stops18h 34m

$1,222

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Fri 7/12

2 stops33h 15m

Santiago Arturo Merino Benitez

Tue 7/16

3 stops31h 17m

$1,889

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Sun 8/18

3 stops32h 21m

Santiago Arturo Merino Benitez

Sat 8/24

2 stops21h 06m

$2,402

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Sun 9/15

2 stops20h 20m

Santiago Arturo Merino Benitez

Sat 9/21

3 stops38h 40m

$2,500

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Sun 8/18

3 stops32h 21m

Santiago Arturo Merino Benitez

Fri 8/23

2 stops21h 35m

$2,694

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Thu 7/4

2 stops20h 22m

Santiago Arturo Merino Benitez

Mon 7/15

2 stops20h 31m

$3,814

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Thu 7/4

1 stop16h 54m

Santiago Arturo Merino Benitez

Mon 7/15

2 stops16h 49m

$4,921

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Thu 7/4

1 stop19h 45m

Santiago Arturo Merino Benitez

Mon 7/15

1 stop13h 26m

$4,977

Flights are sorted by cheapest first

Deals found on 5/4

When is the best time to 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 3, 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

When is the cheapest time 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 April 28, 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. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Santiago by month

Plan your trip from St. Louis to Santiago by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Santiago is currently $809 while a round-trip flight costs $2,842. Price data was last updated on April 28, 2024.

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 $938). 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.

January

$866

February

$894

March

$823

April

$722

May

$740

June

$766

July

$868

August

$780

September

$719

October

$723

November

$799

December

$938

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 May 5, 2024.
Read through reviews of airlines operating flights from St. Louis to Santiago, such as Delta and LATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,826 reviews
Check prices

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

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
8.1
Very good
10,826 reviews
Delta
8.1
Very good
10,826 reviews
Check prices

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

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
2,457 reviews
Delta
8.1
Very good
10,826 reviews
Check prices

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

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
14,713 reviews
Delta
8.1
Very good
10,826 reviews
Check prices

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

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 $1,200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Santiago for under $1,200. The cheapest flight booked recently is on Delta for just $1,162, but on average you can expect to pay $3,979.

  • 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 $1,162. Additional round-trip tickets that might be worth considering are offered by American Airlines and LATAM Airlines, with the lowest prices starting at $3,814 and $4,921, respectively.

  • 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 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 5/4.

See more FAQs

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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 2,719,943 searches. Data last updated May 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$680Average$928FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
LATAM AirlinesCheapest$686Average$904FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
American AirlinesCheapest$759Average$1,158FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$804Average$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.

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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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