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Saint Thomas Island

$275+ Cheap flights from San Antonio (SAT) to Saint Thomas Island (STT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — STT
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 January or February, booked 86 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 August 14, 2025.

Round-trip from

$275
(Priceline)

Popular in

March

Cheapest in

January

Average price

$396
From San Antonio to Saint Thomas Island Cyril E King
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Highest demand for flights based on searches. 13% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 14, 2025.

This Priceline deal was found by Cheapflights users on 8/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:00 amSAT - STT
1 stop7h 11mSpirit Airlines
Wed 11/194:06 pmSTT - SAT
1 stop8h 21mSpirit Airlines
Deal found 8/13$275
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:00 amSAT - STT
1 stop7h 11mSpirit Airlines
Tue 11/184:06 pmSTT - SAT
1 stop8h 21mSpirit Airlines
Deal found 8/13$298
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:00 pmSAT - STT
1 stop18h 59mSpirit Airlines
Sat 11/12:01 pmSTT - SAT
1 stop27h 54mSpirit Airlines
Deal found 8/14$315
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:19 pmSAT - STT
1 stop13h 37mSpirit Airlines
Sat 11/12:01 pmSTT - SAT
1 stop27h 54mSpirit Airlines
Deal found 8/13$317
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:17 pmSAT - STT
1 stop13h 27mSpirit Airlines
Thu 9/1810:49 amSTT - SAT
1 stop8h 23mSpirit Airlines
Deal found 8/12$321
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/42:54 pmSAT - STT
2 stops17h 50mSpirit Airlines
Mon 9/810:49 amSTT - SAT
1 stop8h 23mSpirit Airlines
Deal found 8/14$323
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:19 pmSAT - STT
1 stop13h 37mSpirit Airlines
Mon 11/311:56 amSTT - SAT
1 stop8h 17mSpirit Airlines
Deal found 8/14$336

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 August 14, 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

Wed 11/12

6:00 am-3:11 pm

1 stop7h 11m

Saint Thomas Island Cyril E King

Wed 11/19

4:06 pm-10:27 pm

1 stop8h 21m

$275

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Fri 11/14

6:00 am-3:11 pm

1 stop7h 11m

Saint Thomas Island Cyril E King

Tue 11/18

4:06 pm-10:27 pm

1 stop8h 21m

$298

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Fri 10/24

5:00 pm-12:59 pm

1 stop18h 59m

Saint Thomas Island Cyril E King

Sat 11/1

2:01 pm-4:55 pm

1 stop27h 54m

$315

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Thu 10/23

7:19 pm-9:56 am

1 stop13h 37m

Saint Thomas Island Cyril E King

Sat 11/1

2:01 pm-4:55 pm

1 stop27h 54m

$317

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Thu 10/23

7:19 pm-9:56 am

1 stop13h 37m

Saint Thomas Island Cyril E King

Sun 11/2

3:37 pm-3:55 pm

1 stop26h 18m

$317

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Thu 9/11

7:17 pm-9:44 am

1 stop13h 27m

Saint Thomas Island Cyril E King

Thu 9/18

10:49 am-6:12 pm

1 stop8h 23m

$321

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Thu 9/11

7:17 pm-9:44 am

1 stop13h 27m

Saint Thomas Island Cyril E King

Mon 9/15

10:49 am-6:12 pm

1 stop8h 23m

$321

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Thu 9/4

7:17 pm-9:44 am

1 stop13h 27m

Saint Thomas Island Cyril E King

Mon 9/8

10:49 am-6:12 pm

1 stop8h 23m

$321

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Tue 11/4

5:30 am-12:00 pm

3 stops28h 30m

$461

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

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 August 8, 2025.

The best time to book flights from San Antonio to Saint Thomas Island is 51 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 $648). 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 August 14, 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 August 14, 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
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

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
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

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
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

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
8,046 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

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.

  • 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 $197. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $217 and $277, respectively. Users have found that Spirit Airlines is 64% 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, 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 $648). 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$197Average$417FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$217Average$604FlexibilityNo cancel feeOn-time71%
DeltaCheapest$277Average$538FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$287Average$601FlexibilityNo cancel feeOn-time69%

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