$307 Cheap Flights from St. Thomas (STT) to Buenos Aires (EZE)

View $307 flight on Thu, Aug 13, 2026Opens in a new window

Popular airlines from Cyril E. King Airport (STT) to Ministro Pistarini Intl. Airport (EZE)

Cheap Flights from St. Thomas to Buenos Aires (STT-EZE)

Prices were available within the past 7 days and start at $307 for one-way flights and $692 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Aug 13 - Tue, Aug 18
STT
St. Thomas
EZE
Buenos Aires
$692 Roundtrip, found 2 days ago
$692
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Aug 13 from St. Thomas to Buenos Aires, returning Tue, Aug 18, priced at $692 found 2 days ago
American Airlines
Thu, Aug 13 - Tue, Aug 18
STT
St. Thomas
EZE
Buenos Aires
$712 Roundtrip, found 2 days ago
$712
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Aug 13 from St. Thomas to Buenos Aires, returning Tue, Aug 18, priced at $712 found 2 days ago
American Airlines
Thu, Aug 13 - Tue, Aug 18
STT
St. Thomas
EZE
Buenos Aires
$742 Roundtrip, found 2 days ago
$742
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Aug 13 from St. Thomas to Buenos Aires, returning Tue, Aug 18, priced at $742 found 2 days ago
American Airlines
Thu, Aug 13 - Tue, Aug 18
STT
St. Thomas
EZE
Buenos Aires
$793 Roundtrip, found 2 days ago
$793
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Aug 13 from St. Thomas to Buenos Aires, returning Tue, Aug 18, priced at $793 found 2 days ago
American Airlines
Thu, Aug 13 - Tue, Aug 18
STT
St. Thomas
EZE
Buenos Aires
$823 Roundtrip, found 2 days ago
$823
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Aug 13 from St. Thomas to Buenos Aires, returning Tue, Aug 18, priced at $823 found 2 days ago
American Airlines
Thu, Aug 13 - Tue, Aug 18
STT
St. Thomas
EZE
Buenos Aires
$844 Roundtrip, found 2 days ago
$844
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Aug 13 from St. Thomas to Buenos Aires, returning Tue, Aug 18, priced at $844 found 2 days ago
American Airlines
Thu, Aug 13 - Tue, Aug 18
STT
St. Thomas
EZE
Buenos Aires
$852 Roundtrip, found 2 days ago
$852
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Aug 13 from St. Thomas to Buenos Aires, returning Tue, Aug 18, priced at $852 found 2 days ago
American Airlines
Thu, Aug 13 - Tue, Aug 18
STT
St. Thomas
EZE
Buenos Aires
$872 Roundtrip, found 2 days ago
$872
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Aug 13 from St. Thomas to Buenos Aires, returning Tue, Aug 18, priced at $872 found 2 days ago
United
Sun, Dec 14 - Sun, Dec 28
STT
St. Thomas
EZE
Buenos Aires
$928 Roundtrip, found 2 days ago
$928
Roundtrip
found 2 days ago
Select United flight, departing Sun, Dec 14 from St. Thomas to Buenos Aires, returning Sun, Dec 28, priced at $928 found 2 days ago
Delta
Thu, Aug 13 - Tue, Aug 18
STT
St. Thomas
EZE
Buenos Aires
$1,398 Roundtrip, found 2 days ago
$1,398
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Aug 13 from St. Thomas to Buenos Aires, returning Tue, Aug 18, priced at $1,398 found 2 days ago

Frequently asked questions

How much does a flight from Cyril E. King Airport (STT) to Ministro Pistarini Intl. Airport (EZE) cost?
Lock in a cheap one-way flight from $307 or cheap return flight from $692 from Cyril E. King Airport (STT) to Ministro Pistarini Intl. Airport (EZE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Cyril E. King Airport (STT) to Ministro Pistarini Intl. Airport (EZE)?
August is the cheapest month to fly from STT to EZE. Traveling during an off-peak travel window is often the key to better flight prices.
What is the cheapest airline that flies from Cyril E. King Airport (STT) to Ministro Pistarini Intl. Airport (EZE)?
To find the cheapest airline that'll fly you from STT to EZE, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Cyril E. King Airport (STT) to Ministro Pistarini Intl. Airport (EZE)?
Nonstop flights from Cyril E. King Airport (STT) to Ministro Pistarini Intl. Airport (EZE) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STT to EZE?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cyril E. King Airport (STT) to Ministro Pistarini Intl. Airport (EZE)?
To reach Ministro Pistarini Intl. Airport (EZE) on schedule, opt for a flight that takes off from Cyril E. King Airport (STT) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Cyril E. King Airport (STT) to Ministro Pistarini Intl. Airport (EZE) last-minute?
Last-minute bookings from STT to EZE are usually more expensive. For the lowest rates, start searching for flights ahead of time. That being said, if you're flexible with your travel dates, it's possible to land a cheap fare right before your trip.
Is it cheaper to book a STT to EZE flight and hotel package?
You'll generally save money by securing a STT to EZE flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your ideal accommodations and flights, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from Cyril E. King Airport (STT) to Ministro Pistarini Intl. Airport (EZE)?
If you reserved your STT to EZE flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Origin airport
Cyril E. King
Destination airport
Ministro Pistarini Intl.
Roundtrip price
$692
Distance
3696 mi

Book with confidence

St. Thomas to Buenos Aires Flights

The cheapest times to fly from St. Thomas to Buenos Aires

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. Thomas to Buenos Aires are during the month of August. You can find some of the cheapest flights from St. Thomas to Buenos Aires with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Thomas to Buenos Aires

Sunday is one of the best days to book for cheap flights from St. Thomas to Buenos Aires: 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. Thomas to Buenos Aires

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. Thomas to Buenos Aires in 2025. You can also book with separate airlines for your outbound and return journeys, from $307 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. Thomas to Buenos Aires 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. Thomas to Buenos Aires 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. Thomas to Buenos Aires Flights

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*Available to One Key members.