$111 Cheap Flights from St. Thomas (STT) to Austin (AUS)

View $111 flight on Thu, Mar 26, 2026Opens in a new window

Popular airlines from Cyril E. King Airport (STT) to Austin-Bergstrom Intl. Airport (AUS)

Cheap Flights from St. Thomas to Austin (STT-AUS)

Prices were available within the past 7 days and start at $111 for one-way flights and $205 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Thu, Mar 26 - Wed, Apr 1
STT
St. Thomas
AUS
Austin
$205 Roundtrip, found 2 days ago
$205
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Thu, Mar 26 from St. Thomas to Austin, returning Wed, Apr 1, priced at $205 found 2 days ago
Spirit Airlines
Fri, Mar 27 - Tue, Apr 14
STT
St. Thomas
AUS
Austin
$215 Roundtrip, found 2 days ago
$215
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Fri, Mar 27 from St. Thomas to Austin, returning Tue, Apr 14, priced at $215 found 2 days ago
Spirit Airlines
Thu, Mar 26 - Wed, Apr 1
STT
St. Thomas
AUS
Austin
$229 Roundtrip, found 2 days ago
$229
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Thu, Mar 26 from St. Thomas to Austin, returning Wed, Apr 1, priced at $229 found 2 days ago
Spirit Airlines
Wed, Mar 25 - Tue, Apr 14
STT
St. Thomas
AUS
Austin
$233 Roundtrip, found 6 days ago
$233
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Wed, Mar 25 from St. Thomas to Austin, returning Tue, Apr 14, priced at $233 found 6 days ago
Spirit Airlines
Wed, Mar 25 - Tue, Apr 14
STT
St. Thomas
AUS
Austin
$234 Roundtrip, found 6 days ago
$234
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Wed, Mar 25 from St. Thomas to Austin, returning Tue, Apr 14, priced at $234 found 6 days ago
Spirit Airlines
Thu, Mar 26 - Wed, Apr 1
STT
St. Thomas
AUS
Austin
$240 Roundtrip, found 2 days ago
$240
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Thu, Mar 26 from St. Thomas to Austin, returning Wed, Apr 1, priced at $240 found 2 days ago
Delta
Mon, Mar 30 - Tue, Apr 21
STT
St. Thomas
AUS
Austin
$353 Roundtrip, found 5 days ago
$353
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Mar 30 from St. Thomas to Austin, returning Tue, Apr 21, priced at $353 found 5 days ago
American Airlines
Wed, May 13 - Sun, May 17
STT
St. Thomas
AUS
Austin
$356 Roundtrip, found 13 hours ago
$356
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Wed, May 13 from St. Thomas to Austin, returning Sun, May 17, priced at $356 found 13 hours ago
United
Wed, May 13 - Sun, May 17
STT
St. Thomas
AUS
Austin
$356 Roundtrip, found 13 hours ago
$356
Roundtrip
found 13 hours ago
Select United flight, departing Wed, May 13 from St. Thomas to Austin, returning Sun, May 17, priced at $356 found 13 hours ago
Southwest Airlines
Wed, Mar 25 - Tue, Apr 14
STT
St. Thomas
AUS
Austin
$465 Roundtrip, found 6 days ago
$465
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Wed, Mar 25 from St. Thomas to Austin, returning Tue, Apr 14, priced at $465 found 6 days ago

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Alternative airports near Austin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Austin-Bergstrom Intl. AUS. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $233
AUS
Austin-Bergstrom Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $233

Frequently asked questions

How much does a flight from St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.) cost?
You can find cheap one-way flights from $111 and cheap return flights from $205 St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.) with Expedia. One-way flights typically cost between $195 and $912, and return flights often range between $386 and $2646. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
The cheapest month to fly from STT to AUS is March when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
Enter STT to AUS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
Southwest Airlines is one of the cheapest airlines offering connecting flights from Cyril E. King (STT) to Austin-Bergstrom Intl. (AUS) with a layover in Orlando Intl. (MCO) starting from around $310. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
To find a cheap flight from St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
The earliest flight from St. Thomas (STT) to Austin, TX (AUS) usually leaves at around 7:45 AM, with service provided by 9K and United. An early departure like this allows you to make the most of your day in Austin. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
The most popular departure times for flights from St. Thomas (STT) to Austin (AUS) are in the early afternoon, from 12pm to 3pm. About 46% of passengers prefer this time window. Many major carriers, including American Airlines, United Airlines, and Delta Airlines, offer flights during this window. This timing works well because it gives you a relaxed morning before heading to the airport.
How long does it take to fly from St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
Flying from STT to AUS with a connection usually takes about 9 hours 50 minutes, traveling roughly 2,207 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
First class seats are offered on the STT to AUS route. First class cabins are available on:

  • Delta Air Lines
  • Spirit Airlines
  • United Airlines

How do I earn miles on a St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight with Expedia?
It's easy to earn miles on a St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Austin from Cyril E. King (STT)?
From Cyril E. King (STT), you can fly into Austin-Bergstrom Intl. (AUS) to reach Austin. Some flights may connect through major hubs like Luis Munoz Marin Intl. (SJU), Washington Dulles Intl. (IAD), Liberty Intl. (EWR) before reaching Austin. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.) at the last minute?
Typically, booking a last minute flight from St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight and hotel package?
Securing a St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.) Austin Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
If you booked your St. Thomas (STT-Cyril E. King) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket 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, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Cyril E. King
Destination airport
Austin-Bergstrom Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$205
Distance
2206 mi

Book with confidence

St. Thomas to Austin Flights

The cheapest times to fly from St. Thomas to Austin

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

 

The best time to book a flight from St. Thomas to Austin

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

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 Austin in 2026. You can also book with separate airlines for your outbound and return journeys, from $111 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 Austin 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 Austin 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 Austin Flights

*Flight schedules are subject to change.

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*Available to One Key members.