How long is the flight from San Antonio to Saint Thomas Island?

There are many flights that can get you from San Antonio to Saint Thomas Island in 6h 31m. Fly via Spirit Airlines, American Airlines, or United Airlines to get the fastest option. There are 2241 mi between San Antonio and Saint Thomas Island. This flight may include one or multiple stops.

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

Flying on Spirit Airlines is currently your cheapest option to Saint Thomas Island, with prices starting at $250. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $289 and $329, respectively. Users have found that Spirit Airlines is 54% cheaper than the other options available to this destination.

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

American Airlines, Spirit Airlines and United Airlines are the most popular airlines when flying from San Antonio to Saint Thomas Island.

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

Most trusted provider : When it comes to deals on San Antonio-Saint Thomas Island flights, Cheapflights users trust eDreams the most. eDreams 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 San Antonio-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

How can I find direct flights from San Antonio 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 San Antonio to Saint Thomas Island.

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

Yes. Cheapflights offers flight deals from San Antonio 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.

$194+ Flights from San Antonio to Saint Thomas Island

Q: How much does it cost to fly round-trip from San Antonio to Saint Thomas Island?

Airfare is below average for this route at the moment. San Antonio to Saint Thomas Island flights typically cost between $381 and $646 in February. The cheapest round-trip price found within the last 3 days was $315 on Spirit Airlines (Feb 19-Feb 26).

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Find cheap flights from San Antonio to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from San Antonio to Saint Thomas Island Cyril E King are usually found in January or August, booked 43 days in advance, depart on a Monday or Sunday and return on a Tuesday

Cheap flight deals from San Antonio to Saint Thomas Island

Cheapest flights from San Antonio to Saint Thomas Island
Explore the most affordable flight options available from San Antonio to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Thu 12/255:10 amSAT - STT

1 stop7h 55mDelta

Thu 1/11:48 pmSTT - SAT

1 stop12h 31mDelta

Deal found 12/20

$879

Mon 12/224:05 pmSAT - STT

2 stops19h 51mUnited Airlines

Fri 12/263:05 pmSTT - SAT

2 stops22h 28mUnited Airlines

Deal found 12/22

$940

Thu 12/2511:30 amSAT - STT

1 stop22h 01mMultiple Airlines

Thu 1/112:31 pmSTT - SAT

2 stops30h 30mMultiple Airlines

Deal found 12/20

$1,016

Mon 12/225:48 pmSAT - STT

1 stop16h 17mAmerican Airlines

Fri 12/261:30 pmSTT - SAT

1 stop12h 12mAmerican Airlines

Deal found 12/22

$1,019

Thu 12/253:00 pmSAT - STT

2 stops19h 40mAmerican Airlines

Thu 1/11:05 pmSTT - SAT

2 stops12h 46mAmerican Airlines

Deal found 12/20

$1,502

Best flights from San Antonio to Saint Thomas Island
Discover carefully curated flight deals from San Antonio to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Thu 2/196:00 amSAT - STT

1 stop6h 31mSpirit Airlines

Tue 2/243:36 pmSTT - SAT

1 stop10h 23mSpirit Airlines

Deal found 12/22

$315

Mon 3/237:00 amSAT - STT

1 stop8h 02mAmerican Airlines

Mon 3/301:52 pmSTT - SAT

1 stop10h 35mAmerican Airlines

Deal found 12/20

$349

Sun 3/225:00 amSAT - STT

1 stop7h 30mUnited Airlines

Wed 3/252:35 pmSTT - SAT

1 stop9h 22mUnited Airlines

Deal found 12/21

$349

Thu 2/195:45 pmSAT - STT

2 stops16h 36mAmerican Airlines

Thu 2/264:10 pmSTT - SAT

1 stop9h 15mAmerican Airlines

Deal found 12/21

$349

Thu 2/195:45 pmSAT - STT

2 stops16h 36mAmerican Airlines

Tue 2/244:10 pmSTT - SAT

2 stops19h 22mAmerican Airlines

Deal found 12/22

$349

Sun 3/16:00 amSAT - STT

1 stop8h 52mAmerican Airlines

Sun 3/83:40 pmSTT - SAT

1 stop8h 47mAmerican Airlines

Deal found 12/22

$349

Thu 1/85:10 amSAT - STT

1 stop9h 55mAmerican Airlines

Mon 1/126:39 pmSTT - SAT

2 stops18h 24mAmerican Airlines

Deal found 12/22

$349

Sun 3/225:41 pmSAT - STT

2 stops16h 31mAmerican Airlines

Wed 3/2512:02 pmSTT - SAT

2 stops11h 29mAmerican Airlines

Deal found 12/21

$349

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

Mon 1/55:00 amSAT - STT

1 stop8h 35mAmerican Airlines

Fri 1/94:47 pmSTT - SAT

1 stop9h 12mAmerican Airlines

Deal found 12/22

$400

Mon 1/57:05 amSAT - STT

1 stop8h 37mUnited Airlines

Thu 1/81:02 pmSTT - SAT

2 stops11h 55mUnited Airlines

Deal found 12/21

$744

Tue 1/62:39 pmSAT - STT

1 stop18h 52mSpirit Airlines

Sat 1/105:42 pmSTT - SAT

1 stop17h 58mSpirit Airlines

Deal found 12/22

$359

Thu 1/86:30 amSAT - STT

1 stop6h 22mSpirit Airlines

Mon 1/123:57 pmSTT - SAT

1 stop9h 55mSpirit Airlines

Deal found 12/22

$378

Thu 1/811:43 amSAT - STT

3 stops24h 13mUnited Airlines

Mon 1/123:05 pmSTT - SAT

2 stops31h 51mUnited Airlines

Deal found 12/22

$802

Fri 1/910:35 amSAT - STT

1 stop28h 02mSpirit Airlines

Mon 1/123:57 pmSTT - SAT

1 stop9h 55mSpirit Airlines

Deal found 12/22

$368

Wed 1/215:20 amSAT - STT

1 stop8h 50mDelta

Wed 1/283:10 pmSTT - SAT

1 stop9h 44mDelta

Deal found 12/22

$349

One-way flights from San Antonio to Saint Thomas Island
Search for one-way flight options from San Antonio to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated December 23, 2025.

Fri 1/166:30 amSAT - STT

1 stop6h 22mSpirit Airlines

Deal found 12/22

$194

Find flight deals from San Antonio to Saint Thomas Island

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$315 (Priceline)
One-way from	$194 (Priceline)
Popular in	March
Cheapest in	January
Average price	$653

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

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

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From San Antonio to Saint Thomas Island Cyril E King

Search Deals

One-way flight from San Antonio to Saint Thomas Island Cyril E King

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($22 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Thu 2/19

6:00 am-2:31 pm

1 stop6h 31m

Saint Thomas Island Cyril E King

Tue 2/24

3:36 pm-11:59 pm

1 stop10h 23m

$315

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Mon 3/23

7:00 am-4:02 pm

1 stop8h 02m

Saint Thomas Island Cyril E King

Mon 3/30

1:52 pm-11:27 pm

1 stop10h 35m

$349

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Sun 3/22

5:00 am-1:30 pm

1 stop7h 30m

Saint Thomas Island Cyril E King

Wed 3/25

2:35 pm-10:57 pm

1 stop9h 22m

$349

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Thu 2/19

5:45 pm-12:21 pm

2 stops16h 36m

Saint Thomas Island Cyril E King

Thu 2/26

4:10 pm-11:25 pm

1 stop9h 15m

$349

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Thu 2/19

5:45 pm-12:21 pm

2 stops16h 36m

Saint Thomas Island Cyril E King

Tue 2/24

4:10 pm-9:32 am

2 stops19h 22m

$349

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Sun 3/1

6:00 am-4:52 pm

1 stop8h 52m

Saint Thomas Island Cyril E King

Sun 3/8

3:40 pm-11:27 pm

1 stop8h 47m

$349

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Thu 1/8

5:10 am-5:05 pm

1 stop9h 55m

Saint Thomas Island Cyril E King

Mon 1/12

6:39 pm-11:03 am

2 stops18h 24m

$349

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Sun 3/22

5:41 pm-11:12 am

2 stops16h 31m

Saint Thomas Island Cyril E King

Wed 3/25

12:02 pm-10:31 pm

2 stops11h 29m

$349

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Fri 1/16

6:30 am-2:52 pm

1 stop6h 22m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Compare providers for flights from San Antonio to Saint Thomas Island

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

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star

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

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from San Antonio 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 San Antonio to Saint Thomas Island

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

The best time to book flights from San Antonio to Saint Thomas Island is 42 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from San Antonio to Saint Thomas Island (average of $208). Flying from San Antonio to Saint Thomas Island in December is currently the most expensive (average of $377). 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 SAT to STT?

One of the essential ways to save on airfare from San Antonio to Saint Thomas Island is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 47% on airfare.

How much does it cost to fly round-trip from San Antonio to Saint Thomas Island?

Reviews of airlines servicing Saint Thomas Island

Read through reviews of airlines operating flights from San Antonio to Saint Thomas Island, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,014 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,014 reviews

Delta

7.9

Good

8,014 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,106 reviews

Delta

7.9

Good

8,014 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,054 reviews

Delta

7.9

Good

8,014 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Spirit Airlines

6.3

Okay

8,196 reviews

Delta

7.9

Good

8,014 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from San Antonio to Saint Thomas Island?
There are many flights that can get you from San Antonio to Saint Thomas Island in 6h 31m. Fly via Spirit Airlines, American Airlines, or United Airlines to get the fastest option. There are 2241 mi between San Antonio and Saint Thomas Island. This flight may include one or multiple stops.
What are the cheapest airlines flying from San Antonio to Saint Thomas Island round-trip?
Flying on Spirit Airlines is currently your cheapest option to Saint Thomas Island, with prices starting at $250. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $289 and $329, respectively. Users have found that Spirit Airlines is 54% cheaper than the other options available to this destination.
Can I find deals for flights from San Antonio to Saint Thomas Island that include hotel bookings?
Yes. In addition to deals on San Antonio to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Antonio 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 San Antonio to Saint Thomas Island.
Can I find deals for business class flights from San Antonio to Saint Thomas Island?
Yes. Cheapflights offers flight deals from San Antonio 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 San Antonio to Saint Thomas Island?
Currently, February is the cheapest month in which you can book a flight from San Antonio to Saint Thomas Island (average of $208). Flying from San Antonio to Saint Thomas Island in December is currently the most expensive (average of $377). 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 San Antonio to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$250	Average$433	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$289	Average$612	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$329	Average$675	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$349	Average$462	FlexibilityNo cancel fee	On-timeN/A

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$194+ Cheap flights from San Antonio (SAT) 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Antonio 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 San Antonio to Saint Thomas Island Cyril E King are usually found in January or August, booked 43 days in advance, depart on a Monday or Sunday and return on a Tuesday

Cheap flight deals from San Antonio to Saint Thomas Island

Cheapest flights from San Antonio to Saint Thomas IslandExplore the most affordable flight options available from San Antonio to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Explore the most affordable flight options available from San Antonio to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Find flight deals from San Antonio to Saint Thomas Island

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from San Antonio 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 San Antonio to Saint Thomas Island in December.

Best time to book a flight from San Antonio to Saint Thomas Island

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

Cheapflights Insights

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

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

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

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

How much does it cost to fly round-trip from San Antonio to Saint Thomas Island?

Reviews of airlines servicing Saint Thomas Island

Read through reviews of airlines operating flights from San Antonio to Saint Thomas Island, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Antonio 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.

How long is the flight from San Antonio to Saint Thomas Island?

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

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

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

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

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

Traveling to a place near Saint Thomas Island?

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Alternative routes for San Antonio to Saint Thomas Island

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Top 4 airlines flying from San Antonio to Saint Thomas Island

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Cheapest flights from San Antonio to Saint Thomas Island
Explore the most affordable flight options available from San Antonio to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.