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Saint Thomas Island

$206+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — STT
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from San Antonio to Saint Thomas Island Cyril E King are usually found in February or August, booked 39 days in advance, depart on a Monday or Sunday and return on a Tuesday

Cheap flight deals from San Antonio to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Saint Thomas Island (STT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Round-trip from

$303
(CheapOair)

One-way from

$206
(KAYAK)

Popular in

March

Cheapest in

February

Average price

$447
From San Antonio to Saint Thomas Island Cyril E King
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One-way flight from San Antonio to Saint Thomas Island Cyril E King
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Highest demand for flights based on searches. 9% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

This CheapOair deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:35 pmSAT - STT
1 stop13h 21mSpirit Airlines
Mon 10/2711:01 amSTT - SAT
1 stop8h 29mSpirit Airlines
Deal found 9/12$303
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:00 amSAT - STT
1 stop7h 11mSpirit Airlines
Thu 11/204:06 pmSTT - SAT
1 stop8h 21mSpirit Airlines
Deal found 9/14$305
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:35 pmSAT - STT
2 stops16h 24mSpirit Airlines
Mon 10/2011:01 amSTT - SAT
1 stop8h 29mSpirit Airlines
Deal found 9/15$339
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:40 pmSAT - STT
2 stops20h 25mAmerican Airlines
Sat 11/15:20 pmSTT - SAT
2 stops18h 21mAmerican Airlines
Deal found 9/13$349
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:00 amSAT - STT
1 stop7h 11mSpirit Airlines
Sun 11/164:06 pmSTT - SAT
1 stop8h 21mSpirit Airlines
Deal found 9/14$360
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:05 pmSAT - STT
2 stops20h 52mAmerican Airlines
Tue 11/186:17 pmSTT - SAT
2 stops17h 29mAmerican Airlines
Deal found 9/13$400
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:16 amSAT - STT
1 stop7h 27mUnited Airlines
Sat 11/12:35 pmSTT - SAT
1 stop9h 21mUnited Airlines
Deal found 9/15$439

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Saint Thomas Island that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from San Antonio to Saint Thomas Island that are best for you.

Fly from

San Antonio

Fly to

Saint Thomas Island

Route

Depart

Return

Price

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Thu 10/23

7:35 pm-9:56 am

1 stop13h 21m

Saint Thomas Island Cyril E King

Mon 10/27

11:01 am-6:30 pm

1 stop8h 29m

$303

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Sat 11/15

6:00 am-3:11 pm

1 stop7h 11m

Saint Thomas Island Cyril E King

Thu 11/20

4:06 pm-10:27 pm

1 stop8h 21m

$305

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Sat 10/25

6:40 pm-4:05 pm

2 stops20h 25m

Saint Thomas Island Cyril E King

Sat 11/1

5:20 pm-10:41 am

2 stops18h 21m

$349

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Mon 9/29

5:29 am-4:00 pm

1 stop9h 31m

Saint Thomas Island Cyril E King

Fri 10/3

5:10 pm-11:55 pm

1 stop7h 45m

$349

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Sat 11/15

6:05 pm-3:25 pm

2 stops19h 20m

Saint Thomas Island Cyril E King

Thu 11/20

6:17 pm-10:53 am

2 stops18h 36m

$349

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Tue 11/11

6:00 am-3:11 pm

1 stop7h 11m

Saint Thomas Island Cyril E King

Sun 11/16

4:06 pm-10:27 pm

1 stop8h 21m

$360

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Thu 10/16

7:35 pm-9:56 am

1 stop13h 21m

$206

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Mon 10/20

7:35 pm-9:56 am

1 stop13h 21m

$206

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Sun 10/19

7:35 pm-9:56 am

1 stop13h 21m

$206

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Sat 10/18

7:16 am-3:43 pm

1 stop7h 27m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results
1
2

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?

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Saint Thomas Island. Price data was last updated on September 12, 2025.

The best time to book flights from San Antonio to Saint Thomas Island is 38 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, September is the cheapest month in which you can book a flight from San Antonio to Saint Thomas Island (average of $433). Flying from San Antonio to Saint Thomas Island in June is currently the most expensive (average of $643). 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?

Find hourly flight availability from San Antonio 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 September 15, 2025.

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 48% on airfare.

Reviews of airlines servicing Saint Thomas Island

Get insights into the airlines that provide service to Saint Thomas Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Thomas Island. Reviews last updated September 15, 2025.
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
8.0
Very good
7,954 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
7,954 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
8,015 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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

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?

    There are many flights that can get you from San Antonio to Saint Thomas Island in 13h 21m. Fly via Spirit Airlines or American 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 $220. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $225 and $277, respectively. Users have found that Spirit Airlines is 60% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Antonio to Saint Thomas Island one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $206. United Airlines flights start at $338 while deals on American Airlines start at $354 one-way.

  • 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, September is the cheapest month in which you can book a flight from San Antonio to Saint Thomas Island (average of $433). Flying from San Antonio to Saint Thomas Island in June is currently the most expensive (average of $643). 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

Traveling to a place near Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
St. John

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Top 4 airlines flying from San Antonio to Saint Thomas Island

Discover the top 4 airlines that operate flights from San Antonio to Saint Thomas Island. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$220Average$434FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$225Average$615FlexibilityNo cancel feeOn-time71%
DeltaCheapest$277Average$608FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$287Average$675FlexibilityNo cancel feeOn-time69%

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