HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$1,227+ Cheap flights from Santiago (SCL) to St. Louis (STL)

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 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — STL
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santiago to St. Louis with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Santiago to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Santiago (SCL) to St. Louis (STL). 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 December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,227
(United)

Popular in

September

Cheapest in

November

Average price

$902
Provider with most accurate pricing for Santiago Arturo Merino Benitez-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santiago Arturo Merino Benitez-Lambert-St Louis flights.
Search Deals
From Santiago Arturo Merino Benitez to Lambert-St Louis
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Best time to find cheap flights, 1% potential price drop
Search Deals
Average for round-trip flights in December 2024
Search Deals

Find flight deals from Santiago to St. Louis

Cheapest flights from Santiago to St. Louis
Explore the most affordable flight options available from Santiago to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This United deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2810:45 pmSCL - STL
1 stop14h 11mUnited Airlines
Fri 1/311:30 amSTL - SCL
2 stops18h 20mUnited Airlines
Deal found 12/17$1,227
This Air Canada deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/288:25 amSCL - STL
3 stops33h 41mMultiple Airlines
Fri 1/33:50 pmSTL - SCL
2 stops19h 30mMultiple Airlines
Deal found 12/17$3,440

Find flights from Santiago to St. Louis within your budget

Customize your flight search to find flights from Santiago to St. Louis 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 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Sat 12/28

10:45 pm-9:56 am

1 stop14h 11m

Lambert-St Louis

Fri 1/3

11:30 am-8:50 am

2 stops18h 20m

$1,227

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Sat 1/11

7:49 am-2:43 pm

3 stops33h 54m

Lambert-St Louis

Fri 1/17

3:50 pm-12:10 pm

1 stop17h 20m

$1,245

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Fri 1/10

12:25 am-6:45 pm

2 stops21h 20m

Lambert-St Louis

Fri 1/17

2:00 pm-7:20 am

1 stop14h 20m

$1,890

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Sat 1/11

11:00 am-11:47 am

1 stop27h 47m

Lambert-St Louis

Fri 1/17

7:15 am-7:20 am

1 stop21h 05m

$1,979

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Compare providers for flights from Santiago to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santiago to St. Louis in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Santiago-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santiago-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santiago-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santiago-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santiago-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Santiago to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Santiago 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.

Travel insights for flights from Santiago to St. Louis

Get recent, data-driven insights about flights from Santiago to St. Louis including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Santiago to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Santiago to St. Louis (average of $311). Flying from Santiago to St. Louis in March is currently the most expensive (average of $356). 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.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated December 18, 2024.
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LATAM Airlines
7.5
Good
1,879 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,059 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Santiago to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    According to our current data, United Airlines ($1,227), LATAM Airlines ($1,890), and Delta ($1,979) offers the cheapest pricing from Santiago to St. Louis.

  • Can I find deals for flights from Santiago to St. Louis that include hotel bookings?

    Yes. In addition to deals on Santiago to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santiago to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santiago to St. Louis.

  • Can I find deals for business class flights from Santiago to St. Louis?

    Yes. Cheapflights offers flight deals from Santiago to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Santiago to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Santiago to St. Louis (average of $311). Flying from Santiago to St. Louis in March is currently the most expensive (average of $356). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Santiago to St. Louis

Discover the top 2 airlines that operate flights from Santiago to St. Louis. 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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$672Average$858FlexibilityNo cancel feeOn-time71%
DeltaCheapest$723Average$1,193FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.