$536 Cheap Flights from St. Louis (STL) to Puerto Natales (PNT)

View $536 flight on Mon, Feb 23, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Puerto Natales (PNT-Teniente J. Gallardo)

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Cheap Flights from St. Louis to Puerto Natales (STL-PNT)

Prices were available within the past 7 days and start at $536 for one-way flights and $1,130 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Nov 24 - Tue, Dec 9
STL
St. Louis
PNT
Puerto Natales
$1,130 Roundtrip, found 1 day ago
$1,130
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Nov 24 from St. Louis to Puerto Natales, returning Tue, Dec 9, priced at $1,130 found 1 day ago
Delta
Sun, Nov 23 - Tue, Dec 2
STL
St. Louis
PNT
Puerto Natales
$1,172 Roundtrip, found 3 days ago
$1,172
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Nov 23 from St. Louis to Puerto Natales, returning Tue, Dec 2, priced at $1,172 found 3 days ago
LATAM Airlines Group
Mon, Nov 3 - Tue, Nov 18
STL
St. Louis
PNT
Puerto Natales
$1,178 Roundtrip, found 1 day ago
$1,178
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Mon, Nov 3 from St. Louis to Puerto Natales, returning Tue, Nov 18, priced at $1,178 found 1 day ago
Delta
Sun, Nov 23 - Fri, Dec 5
STL
St. Louis
PNT
Puerto Natales
$1,212 Roundtrip, found 3 days ago
$1,212
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Nov 23 from St. Louis to Puerto Natales, returning Fri, Dec 5, priced at $1,212 found 3 days ago
Delta
Sat, Nov 15 - Wed, Dec 3
STL
St. Louis
PNT
Puerto Natales
$1,212 Roundtrip, found 1 day ago
$1,212
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Nov 15 from St. Louis to Puerto Natales, returning Wed, Dec 3, priced at $1,212 found 1 day ago
LATAM Airlines Group
Sun, Nov 16 - Wed, Dec 3
STL
St. Louis
PNT
Puerto Natales
$1,218 Roundtrip, found 1 day ago
$1,218
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Sun, Nov 16 from St. Louis to Puerto Natales, returning Wed, Dec 3, priced at $1,218 found 1 day ago
LATAM Airlines Group
Mon, Nov 3 - Fri, Nov 21
STL
St. Louis
PNT
Puerto Natales
$1,234 Roundtrip, found 1 day ago
$1,234
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Mon, Nov 3 from St. Louis to Puerto Natales, returning Fri, Nov 21, priced at $1,234 found 1 day ago
Delta
Mon, Nov 24 - Mon, Dec 8
STL
St. Louis
PNT
Puerto Natales
$1,240 Roundtrip, found 1 day ago
$1,240
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Nov 24 from St. Louis to Puerto Natales, returning Mon, Dec 8, priced at $1,240 found 1 day ago
LATAM Airlines Group
Tue, Sep 9 - Wed, Sep 24
STL
St. Louis
PNT
Puerto Natales
$1,248 Roundtrip, found 3 days ago
$1,248
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Tue, Sep 9 from St. Louis to Puerto Natales, returning Wed, Sep 24, priced at $1,248 found 3 days ago
Delta
Sat, Nov 15 - Fri, Dec 5
STL
St. Louis
PNT
Puerto Natales
$1,252 Roundtrip, found 1 day ago
$1,252
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Nov 15 from St. Louis to Puerto Natales, returning Fri, Dec 5, priced at $1,252 found 1 day ago
LATAM Airlines Group
Sun, Nov 16 - Fri, Dec 5
STL
St. Louis
PNT
Puerto Natales
$1,258 Roundtrip, found 1 day ago
$1,258
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Sun, Nov 16 from St. Louis to Puerto Natales, returning Fri, Dec 5, priced at $1,258 found 1 day ago
Delta
Tue, Oct 7 - Mon, Oct 27
STL
St. Louis
PNT
Puerto Natales
$1,275 Roundtrip, found 3 days ago
$1,275
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Oct 7 from St. Louis to Puerto Natales, returning Mon, Oct 27, priced at $1,275 found 3 days ago
Delta
Sun, Nov 30 - Tue, Dec 16
STL
St. Louis
PNT
Puerto Natales
$1,280 Roundtrip, found 1 day ago
$1,280
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Nov 30 from St. Louis to Puerto Natales, returning Tue, Dec 16, priced at $1,280 found 1 day ago
Air Canada
Mon, Feb 23 - Wed, Mar 4
STL
St. Louis
PNT
Puerto Natales
$1,312 Roundtrip, found 1 day ago
$1,312
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Feb 23 from St. Louis to Puerto Natales, returning Wed, Mar 4, priced at $1,312 found 1 day ago
Flights from St. Louis (STL) to Puerto Natales (PNT)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Teniente J. Gallardo
Airlines serving
LATAM Airlines Group
Roundtrip price
$1,130
Distance
6338 mi

St. Louis to Puerto Natales Flights

The cheapest times to fly from St. Louis to Puerto Natales

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 Puerto Natales are during the month of November. You can find some of the cheapest flights from St. Louis to Puerto Natales with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Puerto Natales

Sunday is one of the best days to book for cheap flights from St. Louis to Puerto Natales: 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 Puerto Natales

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 Puerto Natales in 2025. You can also book with separate airlines for your outbound and return journeys, from $536 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 Puerto Natales 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 Puerto Natales 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.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Teniente J. Gallardo Airport (PNT) cost?
Discover the latest flight deals from STL to PNT by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STL to PNT?
The cheapest flights from STL to PNT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STL to PNT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to PNT. 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 Teniente J. Gallardo Airport (PNT)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Teniente J. Gallardo Airport (PNT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to PNT?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a range of factors, such as the airline and season.*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 Teniente J. Gallardo Airport (PNT)?
Select a flight from Lambert-St. Louis Intl. Airport (STL) to Teniente J. Gallardo Airport (PNT) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this time 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 Teniente J. Gallardo Airport (PNT) last-minute?
Booking your flight from STL to PNT shortly before your trip is typically more expensive. However, if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a STL to PNT flight and hotel package?
Securing a STL to PNT flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our wide range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Teniente J. Gallardo Airport (PNT)?
In most cases, you can cancel or modify your STL to PNT flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need further information, go to our Customer Service portal.

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*Available to One Key members.