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 $314. Other airlines that can offer you cheap pricing are Delta, from $459, and American Airlines, from $473. Users have found that Spirit Airlines is 45% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Austin to Saint Thomas Island one-way?

The cheapest airlines for a one-way flight from Austin to Saint Thomas Island are Spirit Airlines ($141), Frontier ($204), and American Airlines ($278).

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 16 days before your planned departure. Booking around this time can save you about 223% 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 $773.

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 $574 per person but you can even find prices for as low as $415. The most expensive prices can be found in the month of March. Opting for a September flight can save you 33% on your journey compared to booking in March

Most accurate provider : When it comes to deals on Austin-Saint Thomas Island flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Austin-Saint Thomas Island flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Austin-Saint Thomas Island flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Austin-Saint Thomas Island flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$141+ Flights from Austin to Saint Thomas Island - Compare & Save Big

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1. Tell us where you want to go

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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 February, booked 15 days in advance, depart on a Sunday or Friday and return on a Monday

Cheap flight deals from Austin to Saint Thomas Island

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$314 (Mytrip)
One-way from	$141 (Expedia)
Popular in	March
Cheapest in	September
Average price	$580

Provider with most accurate pricing for Austin Bergstrom-Saint Thomas Island Cyril E King flight deals.

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Provider most trusted by Cheapflights users for Austin Bergstrom-Saint Thomas Island Cyril E King flights.

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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

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($33 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).

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Average for round-trip flights in April 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 April 28, 2025.

Wed 6/117:14 amAUS - STT

1 stop25h 34mSpirit Airlines

Wed 6/1810:47 amSTT - AUS

1 stop13h 17mSpirit Airlines

Deal found 4/27

$314

Mon 6/95:39 pmAUS - STT

2 stops18h 57mMultiple Airlines

Thu 6/1210:47 amSTT - AUS

2 stops23h 52mMultiple Airlines

Deal found 4/27

$398

Sat 8/235:40 amAUS - STT

1 stop7h 15mDelta

Sat 8/301:21 pmSTT - AUS

1 stop8h 29mDelta

Deal found 4/28

$459

Mon 7/145:00 amAUS - STT

2 stops9h 55mAmerican Airlines

Thu 7/1711:25 amSTT - AUS

1 stop13h 53mAmerican Airlines

Deal found 4/27

$473

Mon 7/145:00 amAUS - STT

1 stop9h 43mUnited Airlines

Thu 7/171:19 pmSTT - AUS

1 stop10h 40mUnited Airlines

Deal found 4/28

$699

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 April 28, 2025.

Wed 6/117:14 amAUS - STT

1 stop25h 34mSpirit Airlines

Wed 6/1810:47 amSTT - AUS

1 stop13h 17mSpirit Airlines

Deal found 4/27

$314

Mon 6/95:39 pmAUS - STT

2 stops18h 57mMultiple Airlines

Thu 6/1210:47 amSTT - AUS

2 stops23h 52mMultiple Airlines

Deal found 4/27

$398

Sat 8/235:40 amAUS - STT

1 stop7h 15mDelta

Sat 8/301:21 pmSTT - AUS

1 stop8h 29mDelta

Deal found 4/28

$459

Mon 7/145:00 amAUS - STT

2 stops9h 55mAmerican Airlines

Thu 7/1711:25 amSTT - AUS

1 stop13h 53mAmerican Airlines

Deal found 4/27

$473

Sat 6/285:00 amAUS - STT

1 stop9h 43mUnited Airlines

Sun 7/64:45 pmSTT - AUS

2 stops18h 50mUnited Airlines

Deal found 4/27

$794

Last-minute flights from Austin to Saint Thomas Island
Discover last-minute flight deals from Austin to Saint Thomas Island. Data last updated April 28, 2025 and is based on user searches.

Mon 5/56:00 amAUS - STT

1 stop8h 43mUnited Airlines

Mon 5/122:10 pmSTT - AUS

1 stop10h 49mUnited Airlines

Deal found 4/28

$852

Wed 5/145:40 amAUS - STT

1 stop8h 30mDelta

Tue 5/202:51 pmSTT - AUS

1 stop10h 29mDelta

Deal found 4/28

$531

Fri 5/165:05 amAUS - STT

2 stops11h 15mMultiple Airlines

Mon 5/196:05 pmSTT - AUS

3 stops22h 42mMultiple Airlines

Deal found 4/28

$1,407

Thu 5/297:25 pmAUS - STT

1 stop17h 11mSpirit Airlines

Mon 6/210:52 amSTT - AUS

1 stop13h 11mSpirit Airlines

Deal found 4/27

$342

Thu 5/297:07 amAUS - STT

1 stop8h 13mAmerican Airlines

Mon 6/25:10 pmSTT - AUS

2 stops17h 28mAmerican Airlines

Deal found 4/27

$629

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 April 28, 2025.

Sun 5/257:25 pmAUS - STT

1 stop16h 01mSpirit Airlines

Deal found 4/27

$141

Thu 5/159:53 amAUS - STT

2 stops25h 19mFrontier

Deal found 4/27

$204

Tue 6/36:52 pmAUS - STT

2 stops18h 56mAmerican Airlines

Deal found 4/27

$278

Tue 6/35:00 amAUS - STT

1 stop9h 43mUnited Airlines

Deal found 4/27

$287

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

Wed 6/11

7:14 am-9:48 am

1 stop25h 34m

Saint Thomas Island Cyril E King

Wed 6/18

10:47 am-11:04 pm

1 stop13h 17m

$314

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Mon 6/9

5:39 pm-1:36 pm

2 stops18h 57m

Saint Thomas Island Cyril E King

Thu 6/12

10:47 am-9:39 am

2 stops23h 52m

$398

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Mon 7/7

5:35 am-3:00 pm

1 stop8h 25m

Saint Thomas Island Cyril E King

Wed 7/16

3:02 pm-9:17 pm

1 stop7h 15m

$459

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Mon 7/14

5:00 am-3:55 pm

2 stops9h 55m

Saint Thomas Island Cyril E King

Thu 7/17

11:25 am-12:18 am

1 stop13h 53m

$473

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Mon 7/14

5:00 am-3:43 pm

1 stop9h 43m

Saint Thomas Island Cyril E King

Thu 7/17

1:19 pm-10:59 pm

1 stop10h 40m

$699

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Sun 5/25

7:25 pm-12:26 pm

1 stop16h 01m

$141

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Thu 5/15

9:53 am-12:12 pm

2 stops25h 19m

$204

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Tue 6/3

6:52 pm-2:48 pm

2 stops18h 56m

$278

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Tue 6/3

5:00 am-3:43 pm

1 stop9h 43m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Compare providers for flights from Austin to Saint Thomas Island

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Saint Thomas Island in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Austin-Saint Thomas Island flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Austin-Saint Thomas Island flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Austin-Saint Thomas Island flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Austin-Saint Thomas Island flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 15 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 $640). 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

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,929 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Spirit Airlines

6.3

Okay

7,954 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Frontier

6.0

Okay

3,285 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $314. Other airlines that can offer you cheap pricing are Delta, from $459, and American Airlines, from $473. Users have found that Spirit Airlines is 45% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Austin to Saint Thomas Island one-way?
The cheapest airlines for a one-way flight from Austin to Saint Thomas Island are Spirit Airlines ($141), Frontier ($204), and American Airlines ($278).
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 $640). 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

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Austin to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$207	Average$375	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$379	Average$626	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$388	Average$686	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$415	Average$561	FlexibilityNo cancel fee	On-time71%

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$141+ 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 5/25. 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 February, booked 15 days in advance, depart on a Sunday or Friday and return on a Monday

Cheap flight deals from Austin to Saint Thomas Island

Most accurate provider

Most trusted provider

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 April 28, 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 April 28, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Austin to Saint Thomas Island

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Saint Thomas Island in April.

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 April 25, 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 April 28, 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?

What are the cheapest airlines to fly from Austin to Saint Thomas Island one-way?

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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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 April 28, 2025.