Cheap flights from St. Louis (STL) to Santiago (SCL) from $282

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 8/20. 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 21 — May 281

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 16, 2024.

Popular in

December

Cheapest in

August

Round-trip from

$714

One-way from

$282
High demand for flights, 28% potential price rise
Best time to find cheap flights, 18% potential price drop
From Lambert-St Louis to Santiago Arturo Merino Benitez
One-way flight from Lambert-St Louis to Santiago Arturo Merino Benitez

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 18% 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 32% 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 2,637,452 searches. Data last updated May 16, 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.
Mon 10/2111:08 amSTL - SCL
2 stops18h 42mAmerican Airlines
Wed 11/610:30 pmSCL - STL
2 stops18h 27mAmerican Airlines
Deal found 5/15$814
Mon 10/2111:08 amSTL - SCL
2 stops18h 42mAmerican Airlines
Wed 11/611:55 pmSCL - STL
1 stop19h 13mAmerican Airlines
Deal found 5/15$815
Mon 10/215:31 amSTL - SCL
1 stop24h 19mAmerican Airlines
Wed 11/611:55 pmSCL - STL
1 stop19h 13mAmerican Airlines
Deal found 5/15$874

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 2,637,452 searches. Data last updated May 16, 2024.
Some of the lowest-priced Delta flights we've found at this time heading from St. Louis to Santiago. Deals are refreshing constantly so come back soon for more options.
Mon 10/215:05 pmSTL - SCL
1 stop11h 55mDelta
Tue 11/51:15 amSCL - STL
2 stops20h 54mDelta
Deal found 5/15$882
Mon 8/510:00 amSTL - SCL
2 stops18h 25mDelta
Wed 8/148:40 pmSCL - STL
1 stop17h 18mDelta
Deal found 5/16$962

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 2,637,452 searches. Prices were last updated on May 16, 2024.
Scroll through some of the best deals on flights from St. Louis to Santiago in 2024. Check back regularly for other flight deals.
Sun 6/236:55 pmSTL - SCL
3 stops33h 54mMultiple Airlines
Wed 6/262:30 pmSCL - STL
3 stops29h 52mMultiple Airlines
Deal found 5/16$847
Sun 6/236:55 pmSTL - SCL
3 stops33h 54mMultiple Airlines
Wed 6/262:30 pmSCL - STL
2 stops27h 58mMultiple Airlines
Deal found 5/16$893
Sun 6/235:22 pmSTL - SCL
2 stops33h 48mMultiple Airlines
Wed 6/2611:55 pmSCL - STL
2 stops20h 27mMultiple Airlines
Deal found 5/16$1,063
Fri 6/1411:00 amSTL - SCL
3 stops25h 25mMultiple Airlines
Sat 6/225:01 amSCL - STL
3 stops36h 31mMultiple Airlines
Deal found 5/15$1,108
Sun 6/231:06 pmSTL - SCL
1 stop16h 54mLATAM Airlines
Wed 6/268:40 pmSCL - STL
1 stop13h 30mLATAM Airlines
Deal found 5/16$1,204
Sun 6/231:06 pmSTL - SCL
1 stop16h 54mLATAM Airlines
Wed 6/267:20 amSCL - STL
2 stops17h 23mLATAM Airlines
Deal found 5/16$1,216
Fri 6/145:25 pmSTL - SCL
1 stop12h 35mLATAM Airlines
Sat 6/228:40 pmSCL - STL
1 stop13h 30mLATAM Airlines
Deal found 5/15$1,241
Fri 6/145:25 pmSTL - SCL
1 stop12h 35mLATAM Airlines
Fri 6/2112:30 amSCL - STL
2 stops19h 49mLATAM Airlines
Deal found 5/15$1,253
Fri 6/1410:15 amSTL - SCL
2 stops16h 15mLATAM Airlines
Fri 6/2112:30 amSCL - STL
2 stops33h 40mLATAM Airlines
Deal found 5/15$1,262

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 2,637,452 searches. Data last updated May 16, 2024.
Scroll through some of the best deals on flights from St. Louis to Santiago in 2024. Check back regularly for other flight deals.
Mon 10/2111:08 amSTL - SCL
2 stops18h 42mAmerican Airlines
Wed 11/610:30 pmSCL - STL
2 stops18h 27mAmerican Airlines
Deal found 5/15$814
Mon 10/2111:08 amSTL - SCL
2 stops18h 42mAmerican Airlines
Wed 11/611:55 pmSCL - STL
1 stop19h 13mAmerican Airlines
Deal found 5/15$815
Sun 6/236:55 pmSTL - SCL
3 stops33h 54mMultiple Airlines
Wed 6/262:30 pmSCL - STL
3 stops29h 52mMultiple Airlines
Deal found 5/16$847
Mon 10/215:31 amSTL - SCL
1 stop24h 19mAmerican Airlines
Wed 11/611:55 pmSCL - STL
1 stop19h 13mAmerican Airlines
Deal found 5/15$874
Mon 10/215:05 pmSTL - SCL
1 stop11h 55mDelta
Tue 11/51:15 amSCL - STL
2 stops20h 54mDelta
Deal found 5/15$882
Sun 6/236:55 pmSTL - SCL
3 stops33h 54mMultiple Airlines
Wed 6/262:30 pmSCL - STL
2 stops27h 58mMultiple Airlines
Deal found 5/16$893
Mon 8/511:51 amSTL - SCL
1 stop18h 09mDelta
Tue 8/1312:30 amSCL - STL
2 stops19h 44mDelta
Deal found 5/16$962
Mon 8/511:51 amSTL - SCL
2 stops17h 09mLATAM Airlines
Wed 8/142:50 pmSCL - STL
3 stops20h 57mLATAM Airlines
Deal found 5/16$1,015
Sun 6/235:22 pmSTL - SCL
2 stops33h 48mMultiple Airlines
Wed 6/2611:55 pmSCL - STL
2 stops20h 27mMultiple Airlines
Deal found 5/16$1,063

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 2,637,452 searches. Data last updated May 16, 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.
Tue 8/208:25 amSTL - SCL
2 stops18h 45mAvianca
Deal found 5/16$282
Tue 8/1311:26 amSTL - SCL
3 stops39h 44mMultiple Airlines
Deal found 5/16$299
Tue 8/2010:34 amSTL - SCL
3 stops28h 26mMultiple Airlines
Deal found 5/16$328
Tue 8/1310:11 amSTL - SCL
2 stops33h 21mMultiple Airlines
Deal found 5/16$340
Mon 6/106:16 pmSTL - SCL
2 stops44h 44mMultiple Airlines
Deal found 5/15$370
Mon 6/106:16 pmSTL - SCL
3 stops32h 54mMultiple Airlines
Deal found 5/15$386
Tue 8/135:05 pmSTL - SCL
1 stop12h 55mLATAM Airlines
Deal found 5/16$522
Mon 6/105:25 pmSTL - SCL
1 stop12h 35mLATAM Airlines
Deal found 5/15$572

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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$814 - $1,063

Route

Depart

Return

Price

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Mon 10/21

2 stops18h 42m

Santiago Arturo Merino Benitez

Wed 11/6

2 stops18h 27m

$814

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Mon 10/21

2 stops18h 42m

Santiago Arturo Merino Benitez

Wed 11/6

1 stop19h 13m

$815

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Sun 6/23

3 stops33h 54m

Santiago Arturo Merino Benitez

Wed 6/26

3 stops29h 52m

$847

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Mon 10/21

1 stop24h 19m

Santiago Arturo Merino Benitez

Wed 11/6

1 stop19h 13m

$874

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Mon 10/21

1 stop11h 55m

Santiago Arturo Merino Benitez

Tue 11/5

2 stops20h 54m

$882

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Sun 6/23

3 stops33h 54m

Santiago Arturo Merino Benitez

Wed 6/26

2 stops27h 58m

$893

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Mon 8/5

2 stops18h 25m

Santiago Arturo Merino Benitez

Wed 8/14

1 stop17h 18m

$962

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Mon 8/5

2 stops17h 09m

Santiago Arturo Merino Benitez

Wed 8/14

3 stops20h 57m

$1,015

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Sun 6/23

2 stops33h 48m

Santiago Arturo Merino Benitez

Wed 6/26

2 stops20h 27m

$1,063

Flights are sorted by cheapest first

Deals found on 5/15

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 10, 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 May 12, 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

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 $387 while a round-trip flight costs $907. Price data was last updated on May 12, 2024.

Currently, September is the cheapest month in which you can book a flight from St. Louis to Santiago (average of $714). 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.

January

$874

February

$895

March

$820

April

$727

May

$755

June

$766

July

$885

August

$770

September

$714

October

$720

November

$799

December

$943

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 16, 2024.
Read through reviews of airlines operating flights from St. Louis to Santiago, such as American Airlines, Delta and LATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,673 reviews

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

8.0

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.

8.0
Very good
10,673 reviews
8.0
Very good
10,673 reviews

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

8.0

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.

8.0
Very good
2,707 reviews
8.0
Very good
10,673 reviews

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

8.0

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.

7.6
Good
2,405 reviews
8.0
Very good
10,673 reviews

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

8.0

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.

7.5
Good
3,765 reviews
8.0
Very good
10,673 reviews

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

8.0

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.

7.3
Good
14,514 reviews
8.0
Very good
10,673 reviews

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

8.0

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 $900 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Santiago for under $900. The cheapest flight booked recently is on American Airlines for just $814, but on average you can expect to pay $1,178.

  • 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 $814. Additional round-trip tickets that might be worth considering are offered by Delta and LATAM Airlines, with the lowest prices starting at $882 and $1,015, respectively. These flights start at 25% lower than the current average price 3 months from now.

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

  • 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 5/16.

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.

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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$663Average$1,000FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
LATAM AirlinesCheapest$686Average$904FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
American AirlinesCheapest$759Average$1,143FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$802Average$1,375FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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.

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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