$116 Cheap Flights from Austin (AUS) to St. Thomas (STT)

View $116 flight on Tue, Nov 11, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $116 for one-way flights and $241 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Mon, Nov 10 - Wed, Nov 12
AUS
Austin
STT
St. Thomas
$241 Roundtrip, found 1 day ago
$241
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Mon, Nov 10 from Austin to St. Thomas, returning Wed, Nov 12, priced at $241 found 1 day ago
Spirit Airlines
Thu, Oct 30 - Mon, Nov 3
AUS
Austin
STT
St. Thomas
$243 Roundtrip, just found
$243
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Oct 30 from Austin to St. Thomas, returning Mon, Nov 3, priced at $243 just found
Spirit Airlines
Sat, Nov 8 - Sat, Nov 15
AUS
Austin
STT
St. Thomas
$249 Roundtrip, just found
$249
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, Nov 8 from Austin to St. Thomas, returning Sat, Nov 15, priced at $249 just found
Spirit Airlines
Fri, Nov 7 - Tue, Nov 11
AUS
Austin
STT
St. Thomas
$251 Roundtrip, found 7 hours ago
$251
Roundtrip
found 7 hours ago
Select Spirit Airlines flight, departing Fri, Nov 7 from Austin to St. Thomas, returning Tue, Nov 11, priced at $251 found 7 hours ago
Spirit Airlines
Thu, Oct 16 - Wed, Oct 22
AUS
Austin
STT
St. Thomas
$255 Roundtrip, found 3 days ago
$255
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Thu, Oct 16 from Austin to St. Thomas, returning Wed, Oct 22, priced at $255 found 3 days ago
Spirit Airlines
Thu, Nov 6 - Sat, Nov 8
AUS
Austin
STT
St. Thomas
$259 Roundtrip, found 4 hours ago
$259
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Thu, Nov 6 from Austin to St. Thomas, returning Sat, Nov 8, priced at $259 found 4 hours ago
American Airlines
Thu, Oct 30 - Mon, Nov 3
AUS
Austin
STT
St. Thomas
$509 Roundtrip, just found
$509
Roundtrip
just found
Select American Airlines flight, departing Thu, Oct 30 from Austin to St. Thomas, returning Mon, Nov 3, priced at $509 just found
Delta
Sat, Sep 13 - Sat, Sep 20
AUS
Austin
STT
St. Thomas
$509 Roundtrip, just found
$509
Roundtrip
just found
Select Delta flight, departing Sat, Sep 13 from Austin to St. Thomas, returning Sat, Sep 20, priced at $509 just found
United
Sat, Dec 6 - Tue, Dec 9
AUS
Austin
STT
St. Thomas
$514 Roundtrip, found 1 hour ago
$514
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Dec 6 from Austin to St. Thomas, returning Tue, Dec 9, priced at $514 found 1 hour ago
JetBlue Airways
Wed, Dec 31 - Thu, Jan 8
AUS
Austin
STT
St. Thomas
$594 Roundtrip, found 3 hours ago
$594
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Wed, Dec 31 from Austin to St. Thomas, returning Thu, Jan 8, priced at $594 found 3 hours ago

Find the cheapest month to fly from Austin (AUS) to St. Thomas (STT)

February is typically the cheapest month to fly

From $170 - $561 per traveler.

Graph displaying average flight prices per month

Alternative airports near St. Thomas

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

Select flight to Terrance B. Lettsome Intl. EIS. Flights from $1,044
EIS
Terrance B. Lettsome Intl.
Flights from $1,044
Select flight to Benjamin Rivera Noriega CPX. Flights from $882
CPX
Benjamin Rivera Noriega
Flights from $882
Flights from Austin (AUS) to St. Thomas (STT)
Origin airport
Austin-Bergstrom Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, JetBlue Airways, Spirit Airlines, United
Roundtrip price
$240
Distance
2206 mi

Austin to St. Thomas Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Austin 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 Austin 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 Austin to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $116 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 Austin 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 Austin 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.

 

Frequently asked questions

How much does a flight from Austin-Bergstrom Intl. Airport (AUS) to Cyril E. King Airport (STT) cost?
Lock in a cheap one-way flight from $116 or cheap return flight from $241 from Austin-Bergstrom Intl. Airport (AUS) to Cyril E. King Airport (STT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Austin-Bergstrom Intl. Airport (AUS) to Cyril E. King Airport (STT)?
Planning your trip for November may help you find better deals, as it's the cheapest month for flights between AUS and STT. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Austin-Bergstrom Intl. Airport (AUS) to Cyril E. King Airport (STT)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest AUS to STT flight.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Cyril E. King Airport (STT)?
Direct flights from Austin-Bergstrom Intl. Airport (AUS) to Cyril E. King Airport (STT) 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 choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from AUS to STT?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a range of factors, including the carrier 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 Austin-Bergstrom Intl. Airport (AUS) to Cyril E. King Airport (STT)?
Opt for a flight from Austin-Bergstrom Intl. Airport (AUS) to Cyril E. King Airport (STT) that takes off before 3 PM to reduce the risk of cancellations. Departures after this hour are on average 22% more likely to be 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 Austin-Bergstrom Intl. Airport (AUS) to Cyril E. King Airport (STT) last-minute?
Holding off until just before your departure to book a flight from AUS to STT generally means paying more. While you may come across some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary to maximize your chances of landing a bargain.
Is it cheaper to book an AUS to STT flight and hotel package?
Booking an AUS to STT flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our wide range of hotels and then add activities, car rentals and flights 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 Austin-Bergstrom Intl. Airport (AUS) to Cyril E. King Airport (STT)?
If you booked your AUS to STT flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you purchased, 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.

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*Available to One Key members.