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 $324. Other airlines that can offer you cheap pricing are Delta, from $499, and American Airlines, from $504. Users have found that Spirit Airlines is 43% 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 $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 $570 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 34% 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.

$197+ 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 26 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	$324 (Orbitz)
One-way from	$197 (Mytrip)
Popular in	March
Cheapest in	September
Average price	$553

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. 3% potential increase in price ($21 potential increase over avg. RT price).

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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 May 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 May 23, 2025.

Mon 7/218:57 pmAUS - STT

1 stop14h 33mSpirit Airlines

Fri 7/2510:43 amSTT - AUS

1 stop12h 33mSpirit Airlines

Deal found 5/22

$324

Mon 7/1410:00 amAUS - STT

2 stops22h 48mMultiple Airlines

Fri 7/184:05 pmSTT - AUS

1 stop28h 57mMultiple Airlines

Deal found 5/22

$340

Sat 8/235:35 amAUS - STT

1 stop7h 36mDelta

Sat 8/303:23 pmSTT - AUS

1 stop9h 46mDelta

Deal found 5/22

$499

Mon 7/75:20 amAUS - STT

1 stop9h 35mAmerican Airlines

Wed 7/164:02 pmSTT - AUS

1 stop9h 16mAmerican Airlines

Deal found 5/22

$504

Thu 7/245:00 amAUS - STT

1 stop9h 43mUnited Airlines

Wed 7/304:45 pmSTT - AUS

3 stops23h 37mUnited Airlines

Deal found 5/22

$744

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 May 23, 2025.

Mon 7/218:57 pmAUS - STT

1 stop14h 33mSpirit Airlines

Fri 7/2510:43 amSTT - AUS

1 stop12h 33mSpirit Airlines

Deal found 5/22

$324

Mon 7/1410:00 amAUS - STT

2 stops22h 48mMultiple Airlines

Fri 7/184:05 pmSTT - AUS

1 stop28h 57mMultiple Airlines

Deal found 5/22

$340

Sat 8/235:35 amAUS - STT

1 stop7h 36mDelta

Sat 8/303:23 pmSTT - AUS

1 stop9h 46mDelta

Deal found 5/22

$499

Mon 7/75:20 amAUS - STT

1 stop9h 35mAmerican Airlines

Wed 7/164:02 pmSTT - AUS

1 stop9h 16mAmerican Airlines

Deal found 5/22

$504

Thu 7/245:00 amAUS - STT

1 stop9h 43mUnited Airlines

Wed 7/304:45 pmSTT - AUS

3 stops23h 37mUnited Airlines

Deal found 5/22

$744

Last-minute flights from Austin to Saint Thomas Island
Discover last-minute flight deals from Austin to Saint Thomas Island. Data last updated May 23, 2025 and is based on user searches.

Thu 5/297:25 pmAUS - STT

1 stop17h 11mSpirit Airlines

Mon 6/210:52 amSTT - AUS

1 stop13h 11mSpirit Airlines

Deal found 5/22

$526

Thu 5/295:22 amAUS - STT

1 stop8h 26mAmerican Airlines

Mon 6/25:10 pmSTT - AUS

2 stops16h 10mAmerican Airlines

Deal found 5/22

$799

Tue 6/36:45 amAUS - STT

1 stop7h 25mDelta

Fri 6/62:51 pmSTT - AUS

1 stop10h 29mDelta

Deal found 5/22

$702

Mon 6/168:09 pmAUS - STT

2 stops16h 49mSpirit Airlines

Tue 6/2410:47 amSTT - AUS

1 stop13h 17mSpirit Airlines

Deal found 5/22

$359

Wed 6/185:15 amAUS - STT

1 stop9h 45mAmerican Airlines

Wed 6/251:44 pmSTT - AUS

1 stop11h 42mAmerican Airlines

Deal found 5/22

$554

Sun 6/225:00 amAUS - STT

1 stop9h 43mUnited Airlines

Sun 6/294:45 pmSTT - AUS

2 stops16h 52mUnited Airlines

Deal found 5/22

$819

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 May 23, 2025.

Sun 7/277:30 amAUS - STT

1 stop27h 01mSpirit Airlines

Deal found 5/22

$197

Sun 7/273:35 pmAUS - STT

3 stops43h 55mMultiple Airlines

Deal found 5/22

$250

Tue 6/36:45 amAUS - STT

1 stop7h 25mDelta

Deal found 5/22

$306

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

Mon 7/21

8:57 pm-12:30 pm

1 stop14h 33m

Saint Thomas Island Cyril E King

Fri 7/25

10:43 am-10:16 pm

1 stop12h 33m

$324

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Mon 7/14

10:00 am-9:48 am

2 stops22h 48m

Saint Thomas Island Cyril E King

Fri 7/18

4:05 pm-8:02 pm

1 stop28h 57m

$340

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Sat 8/23

5:35 am-2:11 pm

1 stop7h 36m

Saint Thomas Island Cyril E King

Sat 8/30

3:23 pm-12:09 am

1 stop9h 46m

$499

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Mon 7/7

5:20 am-3:55 pm

1 stop9h 35m

Saint Thomas Island Cyril E King

Wed 7/16

4:02 pm-12:18 am

1 stop9h 16m

$504

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Thu 7/24

5:00 am-3:43 pm

1 stop9h 43m

Saint Thomas Island Cyril E King

Wed 7/30

4:45 pm-3:22 pm

3 stops23h 37m

$744

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Sun 7/27

7:30 am-11:31 am

1 stop27h 01m

$197

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Sun 7/27

3:35 pm-12:30 pm

3 stops43h 55m

$250

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Tue 6/3

6:45 am-3:10 pm

1 stop7h 25m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/22

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 May.

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 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 $432). Flying from Austin to Saint Thomas Island in June is currently the most expensive (average of $632). 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

See what other customers who have flown with Delta, United Airlines and American Airlines from Austin to Saint Thomas Island have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,952 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

7,952 reviews

Delta

8.0

Very good

7,952 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

8,745 reviews

Delta

8.0

Very good

7,952 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

7,952 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

8,005 reviews

Delta

8.0

Very good

7,952 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 $324. Other airlines that can offer you cheap pricing are Delta, from $499, and American Airlines, from $504. Users have found that Spirit Airlines is 43% 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 $432). Flying from Austin to Saint Thomas Island in June is currently the most expensive (average of $632). 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$358	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$379	Average$630	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$388	Average$644	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$415	Average$563	FlexibilityNo cancel fee	On-time71%

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$197+ 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 7/27. 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 26 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 May 23, 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 May 23, 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 May.

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 May 16, 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 May 23, 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 May 23, 2025.