$549 Cheap Flights from St. Louis (STL) to Punta Arenas (PUQ)

View $549 flight on Sun, Nov 23, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Punta Arenas (PUQ-Carlos Ibanez Del Campo Intl.)

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Cheap Flights from St. Louis to Punta Arenas (STL-PUQ)

Prices were available within the past 7 days and start at $549 for one-way flights and $1,066 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Nov 24 - Tue, Dec 2
STL
St. Louis
PUQ
Punta Arenas
$1,066 Roundtrip, found 1 day ago
$1,066
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Nov 24 from St. Louis to Punta Arenas, returning Tue, Dec 2, priced at $1,066 found 1 day ago
Delta
Mon, Nov 24 - Tue, Dec 2
STL
St. Louis
PUQ
Punta Arenas
$1,070 Roundtrip, found 1 day ago
$1,070
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Nov 24 from St. Louis to Punta Arenas, returning Tue, Dec 2, priced at $1,070 found 1 day ago
Air Canada
Sun, Nov 23 - Tue, Dec 2
STL
St. Louis
PUQ
Punta Arenas
$1,086 Roundtrip, found 1 day ago
$1,086
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sun, Nov 23 from St. Louis to Punta Arenas, returning Tue, Dec 2, priced at $1,086 found 1 day ago
LATAM Airlines Group
Tue, Nov 25 - Tue, Dec 2
STL
St. Louis
PUQ
Punta Arenas
$1,091 Roundtrip, found 1 day ago
$1,091
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Tue, Nov 25 from St. Louis to Punta Arenas, returning Tue, Dec 2, priced at $1,091 found 1 day ago
Air Canada
Sun, Nov 23 - Mon, Dec 1
STL
St. Louis
PUQ
Punta Arenas
$1,126 Roundtrip, found 1 day ago
$1,126
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sun, Nov 23 from St. Louis to Punta Arenas, returning Mon, Dec 1, priced at $1,126 found 1 day ago
LATAM Airlines Group
Sun, Nov 23 - Tue, Dec 2
STL
St. Louis
PUQ
Punta Arenas
$1,131 Roundtrip, found 1 day ago
$1,131
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Sun, Nov 23 from St. Louis to Punta Arenas, returning Tue, Dec 2, priced at $1,131 found 1 day ago
United
Mon, Nov 24 - Mon, Dec 1
STL
St. Louis
PUQ
Punta Arenas
$1,134 Roundtrip, found 1 day ago
$1,134
Roundtrip
found 1 day ago
Select United flight, departing Mon, Nov 24 from St. Louis to Punta Arenas, returning Mon, Dec 1, priced at $1,134 found 1 day ago
Air Canada
Mon, Nov 24 - Mon, Dec 1
STL
St. Louis
PUQ
Punta Arenas
$1,136 Roundtrip, found 1 day ago
$1,136
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Nov 24 from St. Louis to Punta Arenas, returning Mon, Dec 1, priced at $1,136 found 1 day ago
LATAM Airlines Group
Tue, Apr 14 - Tue, Apr 28
STL
St. Louis
PUQ
Punta Arenas
$1,139 Roundtrip, found 3 days ago
$1,139
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Tue, Apr 14 from St. Louis to Punta Arenas, returning Tue, Apr 28, priced at $1,139 found 3 days ago
LATAM Airlines Group
Tue, Apr 14 - Tue, Apr 28
STL
St. Louis
PUQ
Punta Arenas
$1,147 Roundtrip, found 3 days ago
$1,147
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Tue, Apr 14 from St. Louis to Punta Arenas, returning Tue, Apr 28, priced at $1,147 found 3 days ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Carlos Ibanez Del Campo Intl. Airport (PUQ) cost?
Get a cheap one-way flight from $549 or cheap return flight from $1,066 from Lambert-St. Louis Intl. Airport (STL) to Carlos Ibanez Del Campo Intl. Airport (PUQ) 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 Carlos Ibanez Del Campo Intl. Airport (PUQ)?
November is the least expensive month to fly from STL to PUQ. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Carlos Ibanez Del Campo Intl. Airport (PUQ)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from STL to PUQ. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Carlos Ibanez Del Campo Intl. Airport (PUQ)?
There are no daily direct flights available from Lambert-St. Louis Intl. Airport (STL) to Carlos Ibanez Del Campo Intl. Airport (PUQ). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from STL to PUQ?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Carlos Ibanez Del Campo Intl. Airport (PUQ)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Carlos Ibanez Del Campo Intl. Airport (PUQ) route, aim to travel before 3 PM. Later departures have a 22% higher chance of being canceled.**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 Carlos Ibanez Del Campo Intl. Airport (PUQ) last-minute?
Last-minute fares from STL to PUQ are generally more expensive. To lock in the cheapest rates, start looking for flights as early as possible. That said, if you're flexible with your travel plans, it's possible to find a cheap fare just before your departure.
Is it cheaper to book a STL to PUQ flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to PUQ flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the stress out of travel planning. Just pick your flights and select from our wide range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Carlos Ibanez Del Campo Intl. Airport (PUQ)?
Typically, you can cancel or reschedule your STL to PUQ flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you want more details, go to our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Carlos Ibanez Del Campo Intl.
Roundtrip price
$1,065
Distance
6445 mi

Book with confidence

St. Louis to Punta Arenas Flights

The cheapest times to fly from St. Louis to Punta Arenas

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

 

The best time to book a flight from St. Louis to Punta Arenas

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

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 Punta Arenas in 2025. You can also book with separate airlines for your outbound and return journeys, from $549 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 Punta Arenas 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 Punta Arenas 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 Punta Arenas Flights

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