$675 Cheap Flights from Buenos Aires (AEP) to St. Thomas (STT)

View $675 flight on Sun, Oct 5, 2025Opens in a new window

Popular airlines from Buenos Aires (AEP-Aeroparque Jorge Newbery) to Cyril E. King Airport (STT)

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

Prices were available within the past 7 days and start at $675 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 Aeroparque Jorge Newbery Airport (AEP) to Cyril E. King Airport (STT) cost?
Lock in a cheap one-way flight from $675 or cheap return flight from Aeroparque Jorge Newbery Airport (AEP) to Cyril E. King Airport (STT) 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 Aeroparque Jorge Newbery Airport (AEP) to Cyril E. King Airport (STT)?
is the cheapest month to fly from AEP to STT. Avoiding peak travel times is often the key to finding better deals on flights.
What is the cheapest airline that flies from Aeroparque Jorge Newbery Airport (AEP) to Cyril E. King Airport (STT)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from AEP to STT. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Aeroparque Jorge Newbery Airport (AEP) to Cyril E. King Airport (STT)?
You'll need to hop on a flight with a layover if you're traveling from Aeroparque Jorge Newbery Airport (AEP) to Cyril E. King Airport (STT). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from AEP to STT?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can vary based on the airline, time of year 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 Aeroparque Jorge Newbery Airport (AEP) to Cyril E. King Airport (STT)?
Choose a flight from Aeroparque Jorge Newbery Airport (AEP) to Cyril E. King Airport (STT) that leaves before 3 PM to reduce the risk of cancellations. 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 Aeroparque Jorge Newbery Airport (AEP) to Cyril E. King Airport (STT) last-minute?
Last-minute fares from AEP to STT are generally more expensive. To secure the lowest prices, start searching for flights ahead of time. That said, if your travel plans are flexible, it's possible to score a cheap ticket right before you leave.
Is it cheaper to book an AEP to STT flight and hotel package?
Compared with arranging flights and hotels separately, booking an AEP to STT flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place will take the stress out of travel planning. Just pick your flights and select from our wide range of hotels, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Aeroparque Jorge Newbery Airport (AEP) to Cyril E. King Airport (STT)?
If you reserved your AEP to STT flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Aeroparque Jorge Newbery
Destination airport
Cyril E. King
Distance
3679 mi

Book with confidence

Book with confidence

Buenos Aires to St. Thomas Flights

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

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

 

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

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

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 Buenos Aires to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $675 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 Buenos Aires to St. Thomas 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 Buenos Aires to St. Thomas 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.

 

Buenos Aires to St. Thomas Flights

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*Available to One Key members.