$163 Cheap Flights from Austin (AUS) to Christiansted (STX)

View $163 flight on Mon, Jun 16, 2025Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Henry E. Rohlsen Airport (STX)

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Find available prices by choosing your travel dates.

Cheap Flights from Austin to Christiansted (AUS-STX)

Prices were available within the past 7 days and start at $163 for one-way flights and $227 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Wed, Jun 18 - Wed, Jun 25
AUS
Austin
STX
St. Croix Island
$227 Roundtrip, found 4 days ago
$227
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Wed, Jun 18 from Austin to St. Croix Island, returning Wed, Jun 25, priced at $227 found 4 days ago
Spirit Airlines
Sat, Jun 21 - Wed, Jun 25
AUS
Austin
STX
St. Croix Island
$242 Roundtrip, found 4 days ago
$242
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Sat, Jun 21 from Austin to St. Croix Island, returning Wed, Jun 25, priced at $242 found 4 days ago
Spirit Airlines
Mon, Jun 16 - Tue, Jun 24
AUS
Austin
STX
St. Croix Island
$267 Roundtrip, found 5 days ago
$267
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Mon, Jun 16 from Austin to St. Croix Island, returning Tue, Jun 24, priced at $267 found 5 days ago
Spirit Airlines
Sat, Jun 14 - Wed, Jun 25
AUS
Austin
STX
St. Croix Island
$284 Roundtrip, found 2 days ago
$284
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Sat, Jun 14 from Austin to St. Croix Island, returning Wed, Jun 25, priced at $284 found 2 days ago
Spirit Airlines
Thu, Jun 12 - Wed, Jun 18
AUS
Austin
STX
St. Croix Island
$287 Roundtrip, found 5 days ago
$287
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Thu, Jun 12 from Austin to St. Croix Island, returning Wed, Jun 18, priced at $287 found 5 days ago
Spirit Airlines
Thu, Jun 12 - Thu, Jun 19
AUS
Austin
STX
St. Croix Island
$297 Roundtrip, found 4 days ago
$297
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Thu, Jun 12 from Austin to St. Croix Island, returning Thu, Jun 19, priced at $297 found 4 days ago
Spirit Airlines
Wed, Jun 18 - Wed, Jun 25
AUS
Austin
STX
St. Croix Island
$299 Roundtrip, found 13 hours ago
$299
Roundtrip
found 13 hours ago
Select Spirit Airlines flight, departing Wed, Jun 18 from Austin to St. Croix Island, returning Wed, Jun 25, priced at $299 found 13 hours ago
United
Wed, May 14 - Sat, May 17
AUS
Austin
STX
St. Croix Island
$358 Roundtrip, found 2 hours ago
$358
Roundtrip
found 2 hours ago
Select United flight, departing Wed, May 14 from Austin to St. Croix Island, returning Sat, May 17, priced at $358 found 2 hours ago
American Airlines
Wed, May 14 - Sat, May 17
AUS
Austin
STX
St. Croix Island
$379 Roundtrip, found 2 hours ago
$379
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, May 14 from Austin to St. Croix Island, returning Sat, May 17, priced at $379 found 2 hours ago
Delta
Sat, Aug 2 - Sat, Aug 16
AUS
Austin
STX
St. Croix Island
$395 Roundtrip, found 6 days ago
$395
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Aug 2 from Austin to St. Croix Island, returning Sat, Aug 16, priced at $395 found 6 days ago
Flights from Austin (AUS) to Christiansted (STX)
Origin airport
Austin-Bergstrom Intl.
Destination airport
Henry E. Rohlsen
Airlines serving
American Airlines, Delta, Spirit Airlines, United
Roundtrip price
$227
Distance
2237 mi

Austin to Christiansted Flights

The cheapest times to fly from Austin to Christiansted

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

The best time to book a flight from Austin to Christiansted

Sunday is one of the best days to book for cheap flights from Austin to Christiansted: 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 Christiansted

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 Christiansted in 2025. You can also book with separate airlines for your outbound and return journeys, from $163 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 Christiansted 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 Christiansted 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 Henry E. Rohlsen Airport (STX) cost?
Discover the latest flight deals from AUS to STX by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from AUS to STX?
The cheapest flights from AUS to STX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from AUS to STX?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from AUS to STX. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Henry E. Rohlsen Airport (STX)?
Nonstop flights from Austin-Bergstrom Intl. Airport (AUS) to Henry E. Rohlsen Airport (STX) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filter tool. Enter your travel dates and click on either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from AUS to STX?
You’ll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary 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 Austin-Bergstrom Intl. Airport (AUS) to Henry E. Rohlsen Airport (STX)?
Opt for a flight from Austin-Bergstrom Intl. Airport (AUS) to Henry E. Rohlsen Airport (STX) that takes off before 3 PM to reduce the risk of cancellations and delays. 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 Henry E. Rohlsen Airport (STX) last-minute?
Booking your plane ticket from AUS to STX right before your journey is usually more expensive. But if you’re flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book an AUS to STX flight and hotel package?
Compared with arranging flights and hotels separately, booking an AUS to STX flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place takes the hassle out of planning your trip. Just secure your flights and select from our wide range of stays, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to Henry E. Rohlsen Airport (STX)?
If you reserved your AUS to STX flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

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*Available to One Key members.