$686 Cheap Flights from St. Louis (STL) to Calama (CJC)

View $686 flight on Fri, Jan 16, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Calama (CJC-El Loa)

Cheap Flights from St. Louis to Calama (STL-CJC)

Prices were available within the past 7 days and start at $686 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Calama Airport (CJC) cost?
Get a cheap one-way flight from $686 or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Calama Airport (CJC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Calama Airport (CJC)?
is the cheapest month to fly from STL to CJC. Traveling outside of peak seasons is often the key to finding a great deal.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Calama Airport (CJC)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to CJC. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Calama Airport (CJC)?
You'll have to take a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to Calama Airport (CJC). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from STL to CJC?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Calama Airport (CJC)?
Select a flight from Lambert-St. Louis Intl. Airport (STL) to Calama Airport (CJC) that leaves before 3 PM to reduce the likelihood of delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Calama Airport (CJC) last-minute?
Booking your ticket from STL to CJC just before your getaway is generally more expensive. But if you're flexible with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a STL to CJC flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to CJC flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the hassle out of travel planning. Simply secure your flights and choose from our wide range of stays, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Calama Airport (CJC)?
Typically, it's possible to cancel or reschedule your STL to CJC flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
El Loa
Distance
4453 mi

Book with confidence

St. Louis to Calama Flights

The cheapest times to fly from St. Louis to Calama

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Calama are during the month of . You can find some of the cheapest flights from St. Louis to Calama with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Calama

Sunday is one of the best days to book for cheap flights from St. Louis to Calama: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Calama

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Calama in 2025. You can also book with separate airlines for your outbound and return journeys, from $686 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Calama flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Calama airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Calama Flights

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*Available to One Key members.