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Cheap flights from St. Louis (STL) to Santiago (SCL) from $727

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 9/14. 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 14 — Jun 211
From?
To?
Fri 6/14
Fri 6/21
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 9, 2024.

Popular in

December

Cheapest in

July

Average price

$955

Round-trip from

$719
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 34% on your trip compared to booking a flight in the afternoon.

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

Find cheap flight options from St. Louis to Santiago specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Prices were last updated on June 9, 2024.
Scroll through some of the best deals on flights from St. Louis to Santiago in 2024. Check back regularly for other flight deals.
Sat 7/66:22 pmSTL - SCL
3 stops31h 03mMultiple Airlines
Sat 7/135:01 amSCL - STL
3 stops37h 28mMultiple Airlines
Deal found 6/7$881
Sat 7/66:22 pmSTL - SCL
3 stops31h 03mMultiple Airlines
Fri 7/1212:25 amSCL - STL
3 stops42h 04mMultiple Airlines
Deal found 6/7$910
Sat 7/66:22 pmSTL - SCL
3 stops31h 03mMultiple Airlines
Sat 7/132:30 pmSCL - STL
2 stops27h 59mMultiple Airlines
Deal found 6/7$942
Sat 6/297:00 amSTL - SCL
2 stops22h 45mAmerican Airlines
Thu 7/49:55 pmSCL - STL
2 stops19h 52mAmerican Airlines
Deal found 6/8$1,177
Sat 7/65:25 pmSTL - SCL
2 stops19h 40mDelta
Sat 7/138:40 pmSCL - STL
1 stop13h 22mDelta
Deal found 6/7$1,247
Sat 7/65:25 pmSTL - SCL
2 stops19h 40mDelta
Sat 7/1311:00 amSCL - STL
2 stops23h 02mDelta
Deal found 6/7$1,252
Sat 6/295:00 amSTL - SCL
1 stop24h 45mAmerican Airlines
Thu 7/49:55 pmSCL - STL
2 stops19h 55mAmerican Airlines
Deal found 6/8$1,282
Sat 7/65:25 pmSTL - SCL
2 stops19h 40mLATAM Airlines
Fri 7/1212:25 amSCL - STL
2 stops20h 38mLATAM Airlines
Deal found 6/7$1,329
Sat 7/610:15 amSTL - SCL
1 stop19h 45mDelta
Fri 7/1212:25 amSCL - STL
2 stops20h 38mDelta
Deal found 6/7$1,337

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 3,020,828 searches. Data last updated June 9, 2024.
Scroll through some of the best deals on flights from St. Louis to Santiago in 2024. Check back regularly for other flight deals.
Sat 9/1410:11 amSTL - SCL
2 stops18h 14mLATAM Airlines
Sat 9/211:25 amSCL - STL
2 stops21h 22mLATAM Airlines
Deal found 6/8$727
Sat 9/1412:49 pmSTL - SCL
1 stop16h 11mDelta
Sat 9/211:25 amSCL - STL
2 stops18h 40mDelta
Deal found 6/8$732
Sat 7/66:22 pmSTL - SCL
3 stops31h 03mMultiple Airlines
Sat 7/135:01 amSCL - STL
3 stops37h 28mMultiple Airlines
Deal found 6/7$881
Sat 7/66:22 pmSTL - SCL
3 stops31h 03mMultiple Airlines
Fri 7/1212:25 amSCL - STL
3 stops42h 04mMultiple Airlines
Deal found 6/7$910
Sat 7/66:22 pmSTL - SCL
3 stops31h 03mMultiple Airlines
Sat 7/132:30 pmSCL - STL
2 stops27h 59mMultiple Airlines
Deal found 6/7$942
Sat 9/1412:49 pmSTL - SCL
3 stops30h 29mLATAM Airlines
Sun 9/226:50 pmSCL - STL
2 stops30h 49mLATAM Airlines
Deal found 6/8$964
Thu 8/18:01 amSTL - SCL
2 stops21h 59mAmerican Airlines
Thu 8/89:40 pmSCL - STL
2 stops15h 15mAmerican Airlines
Deal found 6/9$967
Thu 8/15:29 amSTL - SCL
1 stop24h 31mAmerican Airlines
Thu 8/89:40 pmSCL - STL
2 stops20h 27mAmerican Airlines
Deal found 6/9$978
Thu 8/17:06 pmSTL - SCL
2 stops33h 54mLATAM Airlines
Wed 8/712:25 amSCL - STL
2 stops33h 37mLATAM Airlines
Deal found 6/9$1,066

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 3,020,828 searches. Data last updated June 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$727 - $1,066

Route

Depart

Return

Price

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Sat 9/14

2 stops18h 14m

Santiago Arturo Merino Benitez

Sat 9/21

2 stops21h 22m

$727

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Sat 9/14

1 stop16h 11m

Santiago Arturo Merino Benitez

Sat 9/21

2 stops18h 40m

$732

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Sat 7/6

3 stops31h 03m

Santiago Arturo Merino Benitez

Sat 7/13

3 stops37h 28m

$881

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Sat 7/6

3 stops31h 03m

Santiago Arturo Merino Benitez

Fri 7/12

3 stops42h 04m

$910

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Sat 7/6

3 stops31h 03m

Santiago Arturo Merino Benitez

Sat 7/13

2 stops27h 59m

$942

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Sat 9/14

3 stops30h 29m

Santiago Arturo Merino Benitez

Sun 9/22

2 stops30h 49m

$964

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Thu 8/1

2 stops21h 59m

Santiago Arturo Merino Benitez

Thu 8/8

2 stops15h 15m

$967

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Thu 8/1

1 stop24h 31m

Santiago Arturo Merino Benitez

Thu 8/8

2 stops20h 27m

$978

Lambert-St LouisSantiago Arturo Merino Benitez

STL - SCL

STLSCL

Lambert-St Louis

Thu 8/1

2 stops33h 54m

Santiago Arturo Merino Benitez

Wed 8/7

2 stops33h 37m

$1,066

Flights are sorted by cheapest first

Deals found on 6/8

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.
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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 9, 2024.
Read through reviews of airlines operating flights from St. Louis to Santiago, such as LATAM Airlines, Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,310 reviews

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.4

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.

Delta
8.0
Very good
10,310 reviews
Delta
8.0
Very good
10,310 reviews

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.4

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.

LATAM Airlines
7.5
Good
2,316 reviews
Delta
8.0
Very good
10,310 reviews

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.4

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.

American Airlines
7.3
Good
14,172 reviews
Delta
8.0
Very good
10,310 reviews

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.4

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 $800 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Santiago for under $800. The cheapest flight booked recently is on LATAM Airlines for just $727, but on average you can expect to pay $1,093.

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

    Flying on LATAM Airlines is currently your cheapest option to Santiago, with prices starting at $727. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $732 and $967, respectively. These flights start at 33% 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 6/9.

  • 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.

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
Springfield 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 3,020,828 searches. Data last updated June 9, 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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