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Cheap flights from St. Louis (STL) to Santiago (SCL) from $673

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 6/11. 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. 4 — jun. 111
From?
To?
mar. 6/4
mar. 6/11
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 mayo 30, 2024.

Popular in

December

Cheapest in

July

Average price

$948

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
Search Deals
Average for round-trip flights in May 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 2,784,634 searches. Data last updated mayo 30, 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.
jue. 6/277:00 amSTL - SCL
2 stops22h 45mAmerican Airlines
jue. 7/49:55 pmSCL - STL
2 stops23h 52mAmerican Airlines
Deal found 5/28$1,000
jue. 6/275:00 amSTL - SCL
1 stop24h 45mAmerican Airlines
jue. 7/49:55 pmSCL - STL
2 stops23h 52mAmerican Airlines
Deal found 5/28$1,014
mar. 6/112:56 pmSTL - SCL
2 stops14h 49mAmerican Airlines
dom. 7/289:25 pmSCL - STL
1 stop26h 56mAmerican Airlines
Deal found 5/29$1,230

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 2,784,634 searches. Data last updated mayo 30, 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.
jue. 6/275:25 pmSTL - SCL
1 stop12h 35mLATAM Airlines
jue. 7/48:40 pmSCL - STL
1 stop13h 29mLATAM Airlines
Deal found 5/28$1,082
jue. 6/274:02 pmSTL - SCL
2 stops13h 58mLATAM Airlines
mié. 7/312:25 amSCL - STL
2 stops18h 56mLATAM Airlines
Deal found 5/28$1,087
lun. 7/297:01 pmSTL - SCL
2 stops17h 14mLATAM Airlines
vie. 8/97:20 amSCL - STL
2 stops26h 32mLATAM Airlines
Deal found 5/29$4,966
lun. 7/295:26 pmSTL - SCL
1 stop12h 34mLATAM Airlines
vie. 8/97:20 amSCL - STL
2 stops26h 32mLATAM Airlines
Deal found 5/29$5,151
lun. 7/295:26 pmSTL - SCL
1 stop12h 34mLATAM Airlines
vie. 8/98:40 pmSCL - STL
1 stop15h 07mLATAM Airlines
Deal found 5/29$5,227
lun. 7/2912:43 pmSTL - SCL
3 stops23h 47mLATAM Airlines
vie. 8/97:50 amSCL - STL
2 stops16h 49mLATAM Airlines
Deal found 5/29$5,386
lun. 7/295:26 pmSTL - SCL
1 stop12h 34mLATAM Airlines
jue. 8/812:43 amSCL - STL
2 stops23h 56mLATAM Airlines
Deal found 5/29$5,524

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 2,784,634 searches. Prices were last updated on mayo 30, 2024.
Scroll through some of the best deals on flights from St. Louis to Santiago in 2024. Check back regularly for other flight deals.
mar. 6/113:23 pmSTL - SCL
2 stops35h 47mMultiple Airlines
dom. 7/2811:55 pmSCL - STL
2 stops34h 31mMultiple Airlines
Deal found 5/29$673
jue. 6/277:00 amSTL - SCL
2 stops22h 45mAmerican Airlines
jue. 7/49:55 pmSCL - STL
2 stops23h 52mAmerican Airlines
Deal found 5/28$1,000
jue. 6/275:00 amSTL - SCL
1 stop24h 45mAmerican Airlines
jue. 7/49:55 pmSCL - STL
2 stops23h 52mAmerican Airlines
Deal found 5/28$1,014
jue. 6/275:25 pmSTL - SCL
1 stop12h 35mLATAM Airlines
jue. 7/48:40 pmSCL - STL
1 stop13h 29mLATAM Airlines
Deal found 5/28$1,082
jue. 6/274:02 pmSTL - SCL
2 stops13h 58mLATAM Airlines
mié. 7/312:25 amSCL - STL
2 stops18h 56mLATAM Airlines
Deal found 5/28$1,087
mar. 6/112:56 pmSTL - SCL
2 stops14h 49mAmerican Airlines
dom. 7/289:25 pmSCL - STL
1 stop26h 56mAmerican Airlines
Deal found 5/29$1,230
mar. 6/1110:15 amSTL - SCL
1 stop19h 45mDelta
dom. 7/288:40 pmSCL - STL
1 stop22h 16mDelta
Deal found 5/29$1,232
dom. 6/26:19 pmSTL - SCL
3 stops27h 21mMultiple Airlines
mar. 6/46:10 amSCL - STL
3 stops34h 11mMultiple Airlines
Deal found 5/29$1,240
jue. 6/278:12 pmSTL - SCL
3 stops32h 37mMultiple Airlines
jue. 7/411:55 pmSCL - STL
2 stops21h 06mMultiple Airlines
Deal found 5/28$1,265

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 2,784,634 searches. Data last updated mayo 30, 2024.
Scroll through some of the best deals on flights from St. Louis to Santiago in 2024. Check back regularly for other flight deals.
mar. 6/113:23 pmSTL - SCL
2 stops35h 47mMultiple Airlines
dom. 7/2811:55 pmSCL - STL
2 stops34h 31mMultiple Airlines
Deal found 5/29$673
jue. 6/277:00 amSTL - SCL
2 stops22h 45mAmerican Airlines
jue. 7/49:55 pmSCL - STL
2 stops23h 52mAmerican Airlines
Deal found 5/28$1,000
jue. 6/275:00 amSTL - SCL
1 stop24h 45mAmerican Airlines
jue. 7/49:55 pmSCL - STL
2 stops23h 52mAmerican Airlines
Deal found 5/28$1,014
vie. 12/2710:09 amSTL - SCL
2 stops17h 16mLATAM Airlines
vie. 1/101:15 amSCL - STL
2 stops25h 23mLATAM Airlines
Deal found 5/30$1,062
jue. 6/275:25 pmSTL - SCL
1 stop12h 35mLATAM Airlines
jue. 7/48:40 pmSCL - STL
1 stop13h 29mLATAM Airlines
Deal found 5/28$1,082
jue. 6/274:02 pmSTL - SCL
2 stops13h 58mLATAM Airlines
mié. 7/312:25 amSCL - STL
2 stops18h 56mLATAM Airlines
Deal found 5/28$1,087
vie. 12/274:00 pmSTL - SCL
3 stops27h 45mLATAM Airlines
vie. 1/101:15 amSCL - STL
2 stops25h 23mLATAM Airlines
Deal found 5/30$1,139
vie. 12/2710:09 amSTL - SCL
2 stops17h 16mLATAM Airlines
sáb. 1/114:15 pmSCL - STL
2 stops28h 47mLATAM Airlines
Deal found 5/30$1,162
vie. 12/276:00 amSTL - SCL
2 stops22h 00mLATAM Airlines
sáb. 1/118:25 amSCL - STL
3 stops18h 13mLATAM Airlines
Deal found 5/30$1,167

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 2,784,634 searches. Data last updated mayo 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$673 - $1,276

Route

Depart

Return

Price

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

mar. 6/11

2 stops35h 47m

Santiago Arturo Merino Benitez

dom. 7/28

2 stops34h 31m

$673

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

jue. 6/27

2 stops22h 45m

Santiago Arturo Merino Benitez

jue. 7/4

2 stops23h 52m

$1,000

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

jue. 6/27

1 stop24h 45m

Santiago Arturo Merino Benitez

jue. 7/4

2 stops23h 52m

$1,014

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

jue. 6/27

1 stop12h 35m

Santiago Arturo Merino Benitez

jue. 7/4

1 stop13h 29m

$1,082

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

jue. 6/27

2 stops13h 58m

Santiago Arturo Merino Benitez

mié. 7/3

2 stops18h 56m

$1,087

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

mar. 6/11

2 stops14h 49m

Santiago Arturo Merino Benitez

dom. 7/28

1 stop26h 56m

$1,230

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

mar. 6/11

1 stop19h 45m

Santiago Arturo Merino Benitez

dom. 7/28

1 stop22h 16m

$1,232

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

jue. 6/27

3 stops32h 37m

Santiago Arturo Merino Benitez

jue. 7/4

2 stops21h 06m

$1,265

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

mar. 6/11

2 stops30h 55m

Santiago Arturo Merino Benitez

dom. 7/28

3 stops35h 29m

$1,276

Flights are sorted by cheapest first

Deals found on 5/29

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 24, 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 mayo 30, 2024.
Read through reviews of airlines operating flights from St. Louis to Santiago, such as American Airlines and LATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,457 reviews
Check prices

Crew

8.6

Overall

8.0

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

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
10,457 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Crew

8.6

Overall

8.0

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

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
2,617 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Crew

8.6

Overall

8.0

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

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
2,364 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Crew

8.6

Overall

8.0

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

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
14,284 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Crew

8.6

Overall

8.0

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

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 $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 $673, but on average you can expect to pay $2,729.

  • 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 $1,000. Additional round-trip tickets that might be worth considering are offered by LATAM Airlines and Delta, with the lowest prices starting at $1,082 and $1,232, respectively. These flights start at 8% 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 5/30.

  • 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.

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.

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 2,784,634 searches. Data last updated mayo 30, 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.

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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.

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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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