What are the cheapest airlines flying from Austin to Saint Thomas Island round-trip?

Cheapflights users have booked flights from Austin to Saint Thomas Island round-trip from $263. Other airlines that can offer you cheap pricing are Delta, from $509, and American Airlines, from $534. Users have found that Spirit Airlines is 54% cheaper than the other options available to this destination.

What is the cheapest day to fly from Austin to Saint Thomas Island?

Travelers seeking maximum savings on their Austin to Saint Thomas Island flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Austin to Saint Thomas Island?

American Airlines, Delta and Spirit Airlines are the most popular airlines when flying from Austin to Saint Thomas Island.

What is the cheapest day to fly round-trip from Austin to Saint Thomas Island?

Travelers have found that booking a Saturday departure is the best way to save up to 26% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Austin to Saint Thomas Island?

To save on the cost of your flight from Austin to Saint Thomas Island, book at least 27 days before your planned departure. Booking around this time can save you about 158% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $438 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $809.

What is the cheapest month to fly from Austin to Saint Thomas Island?

September is one of the best times of the year to fly to Saint Thomas Island from Austin. Prices for September average $573 per person but you can even find prices for as low as $412. The most expensive prices can be found in the month of December. Opting for a September flight can save you 22% on your journey compared to booking in December

Can I find deals for flights from Austin to Saint Thomas Island that include hotel bookings?

Yes. In addition to deals on Austin to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Austin to Saint Thomas Island?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Saint Thomas Island.

Can I find deals for business class flights from Austin to Saint Thomas Island?

Yes. Cheapflights offers flight deals from Austin to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$133+ Flights from Austin to Saint Thomas Island

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Cheapflights Tip: The best prices from Austin Bergstrom to Saint Thomas Island Cyril E King are usually found in September or October, booked 26 days in advance, depart on a Sunday or Friday and return on a Monday

Cheap flight deals from Austin to Saint Thomas Island

Round-trip from	$263 (FlightHub)
One-way from	$133 (FlightHub)
Popular in	December
Cheapest in	September
Average price	$679

From Austin Bergstrom to Saint Thomas Island Cyril E King

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One-way flight from Austin Bergstrom to Saint Thomas Island Cyril E King

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Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Austin to Saint Thomas Island

Cheapest flights from Austin to Saint Thomas Island
Explore the most affordable flight options available from Austin to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Fri 7/118:22 pmAUS - STT

1 stop15h 08mSpirit Airlines

Sat 7/191:25 pmSTT - AUS

1 stop7h 07mSpirit Airlines

Deal found 6/12

$263

Mon 8/188:32 amAUS - STT

3 stops27h 20mMultiple Airlines

Sat 8/231:47 pmSTT - AUS

2 stops20h 08mMultiple Airlines

Deal found 6/10

$383

Wed 12/315:20 amAUS - STT

1 stop7h 30mDelta

Thu 1/84:00 pmSTT - AUS

1 stop10h 40mDelta

Deal found 6/10

$509

Fri 11/76:53 pmAUS - STT

2 stops17h 07mAmerican Airlines

Tue 11/114:38 pmSTT - AUS

1 stop18h 39mAmerican Airlines

Deal found 6/10

$534

Best flights from Austin to Saint Thomas Island
Discover carefully curated flight deals from Austin to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Fri 7/118:22 pmAUS - STT

1 stop15h 08mSpirit Airlines

Sat 7/191:25 pmSTT - AUS

1 stop7h 07mSpirit Airlines

Deal found 6/12

$263

Mon 8/188:32 amAUS - STT

3 stops27h 20mMultiple Airlines

Sat 8/231:47 pmSTT - AUS

2 stops20h 08mMultiple Airlines

Deal found 6/10

$383

Sat 8/235:35 amAUS - STT

1 stop8h 35mDelta

Sat 8/301:51 pmSTT - AUS

1 stop11h 27mDelta

Deal found 6/12

$509

Fri 11/76:53 pmAUS - STT

2 stops17h 07mAmerican Airlines

Tue 11/114:38 pmSTT - AUS

1 stop18h 39mAmerican Airlines

Deal found 6/10

$534

Last-minute flights from Austin to Saint Thomas Island
Discover last-minute flight deals from Austin to Saint Thomas Island. Data last updated June 12, 2025 and is based on user searches.

Sun 6/2210:44 amAUS - STT

1 stop26h 14mSpirit Airlines

Wed 6/253:03 pmSTT - AUS

2 stops33h 01mSpirit Airlines

Deal found 6/10

$448

Thu 7/103:35 pmAUS - STT

3 stops43h 55mMultiple Airlines

Mon 7/141:25 pmSTT - AUS

2 stops9h 53mMultiple Airlines

Deal found 6/11

$411

Fri 7/118:22 pmAUS - STT

1 stop15h 08mSpirit Airlines

Sat 7/191:25 pmSTT - AUS

1 stop7h 07mSpirit Airlines

Deal found 6/12

$263

One-way flights from Austin to Saint Thomas Island
Search for one-way flight options from Austin to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Sat 7/57:15 amAUS - STT

1 stop7h 19mSpirit Airlines

Deal found 6/12

$133

Sat 7/54:20 pmAUS - STT

3 stops18h 57mUnited Airlines

Deal found 6/11

$498

Cheapflights Fare Finder

Use the filters below to find and compare flights from Austin to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Fri 7/11

8:22 pm-12:30 pm

1 stop15h 08m

Saint Thomas Island Cyril E King

Sat 7/19

1:25 pm-7:32 pm

1 stop7h 07m

$263

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Mon 8/18

8:32 am-12:52 pm

3 stops27h 20m

Saint Thomas Island Cyril E King

Sat 8/23

1:47 pm-8:55 am

2 stops20h 08m

$383

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Sat 8/23

5:35 am-3:10 pm

1 stop8h 35m

Saint Thomas Island Cyril E King

Sat 8/30

1:51 pm-12:18 am

1 stop11h 27m

$509

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Fri 11/7

6:53 pm-2:00 pm

2 stops17h 07m

Saint Thomas Island Cyril E King

Tue 11/11

4:38 pm-9:17 am

1 stop18h 39m

$534

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Sat 7/5

7:15 am-3:34 pm

1 stop7h 19m

$133

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Sat 7/5

4:20 pm-12:17 pm

3 stops18h 57m

$498

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Best time to book a flight from Austin to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Austin with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Austin to Saint Thomas Island

How far ahead should I book a flight from Austin to Saint Thomas Island?

The price you pay for your flight from Austin to Saint Thomas Island may vary depending on when you book. For the best chance of a lower fare, look to book 26 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Austin to Saint Thomas Island?

Currently, September is the cheapest month in which you can book a flight from Austin to Saint Thomas Island (average of $433). Flying from Austin to Saint Thomas Island in June is currently the most expensive (average of $650). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from AUS to STT?

It’s optimal to fly from Austin to Saint Thomas Island at noon. By choosing this option you can save up to 48% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Saint Thomas Island

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Spirit Airlines

6.3

Okay

8,052 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Austin to Saint Thomas Island round-trip?
Cheapflights users have booked flights from Austin to Saint Thomas Island round-trip from $263. Other airlines that can offer you cheap pricing are Delta, from $509, and American Airlines, from $534. Users have found that Spirit Airlines is 54% cheaper than the other options available to this destination.
Can I find deals for flights from Austin to Saint Thomas Island that include hotel bookings?
Yes. In addition to deals on Austin to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Austin to Saint Thomas Island?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Saint Thomas Island.
Can I find deals for business class flights from Austin to Saint Thomas Island?
Yes. Cheapflights offers flight deals from Austin to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Austin to Saint Thomas Island?
Currently, September is the cheapest month in which you can book a flight from Austin to Saint Thomas Island (average of $433). Flying from Austin to Saint Thomas Island in June is currently the most expensive (average of $650). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

St. John

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Top 4 airlines flying from Austin to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$204	Average$364	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$415	Average$567	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$445	Average$694	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$459	Average$687	FlexibilityNo cancel fee	On-timeN/A

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$133+ Cheap flights from Austin (AUS) to Saint Thomas Island (STT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Austin to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Austin Bergstrom to Saint Thomas Island Cyril E King are usually found in September or October, booked 26 days in advance, depart on a Sunday or Friday and return on a Monday

Cheap flight deals from Austin to Saint Thomas Island

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Austin to Saint Thomas Island

Cheapest flights from Austin to Saint Thomas IslandExplore the most affordable flight options available from Austin to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Austin to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Austin to Saint Thomas Island that are best for you.

Best time to book a flight from Austin to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Austin with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Austin to Saint Thomas Island

How far ahead should I book a flight from Austin to Saint Thomas Island?

Use this chart to determine the optimal time to book a round-trip flight from Austin to Saint Thomas Island. Price data was last updated on June 9, 2025.

What is the cheapest month to book a flight from Austin to Saint Thomas Island?

What is the cheapest time of day to fly from AUS to STT?

Find hourly flight availability from Austin to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Reviews of airlines servicing Saint Thomas Island

Related info for your journey

Find useful and relevant information for your journey from Austin to Saint Thomas Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Austin to Saint Thomas Island round-trip?

Can I find deals for flights from Austin to Saint Thomas Island that include hotel bookings?

How can I find direct flights from Austin to Saint Thomas Island?

Can I find deals for business class flights from Austin to Saint Thomas Island?

What is the cheapest month to book a flight from Austin to Saint Thomas Island?

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Alternative routes for Austin to Saint Thomas Island

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Top 4 airlines flying from Austin to Saint Thomas Island

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Cheapest flights from Austin to Saint Thomas Island
Explore the most affordable flight options available from Austin to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.