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 $287. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $349 and $380, respectively. Users have found that Spirit Airlines is 45% cheaper than the other options available to this destination.

What is the cheapest day to fly from San Antonio to Saint Thomas Island?

Travelers seeking maximum savings on their San Antonio to Saint Thomas Island flight should consider departing on Monday afternoons when fares are most often at their lowest. Wednesday 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 San Antonio to Saint Thomas Island?

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

What is the cheapest day to fly round-trip from San Antonio to Saint Thomas Island?

Travelers have found that booking a Sunday departure is the best way to save up to 68% 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 San Antonio to Saint Thomas Island?

Find a great deal and save up to 185% by booking at least 54 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from San Antonio to Saint Thomas Island within the next two weeks, with the cheapest ticket starting at $420.

What is the cheapest month to fly from San Antonio to Saint Thomas Island?

The best pricing can be found in the month of August. Prices to Saint Thomas Island from San Antonio average $524. You can even find prices in August for less than $524, as users have found deals to Saint Thomas Island from as low as $200. The month of March appears to be one of the more expensive times to travel to Saint Thomas Island from San Antonio. Flying in the targeted month can save you up to 79%.

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.

$186+ Flights from San Antonio to Saint Thomas Island

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Cheapflights Tip: The best prices from San Antonio to Saint Thomas Island Cyril E King are usually found in August or February, booked 53 days in advance, depart on a Monday or Sunday and return on a Tuesday

Cheap flight deals from San Antonio to Saint Thomas Island

Round-trip from	$287 (FlightHub)
One-way from	$186 (Expedia)
Popular in	March
Cheapest in	August
Average price	$777

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. 13% potential increase in price ($83 potential increase over avg. RT price).

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Cheapest flight prices on average. 7% potential price decrease ($39 potential savings vs. average RT price).

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Average for round-trip flights in June 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 June 12, 2025.

Thu 9/46:13 pmSAT - STT

1 stop13h 32mSpirit Airlines

Mon 9/81:47 pmSTT - SAT

1 stop10h 38mSpirit Airlines

Deal found 6/11

$287

Tue 11/45:41 amSAT - STT

1 stop8h 09mAmerican Airlines

Tue 11/184:45 pmSTT - SAT

2 stops17h 42mAmerican Airlines

Deal found 6/11

$349

Mon 10/275:30 amSAT - STT

1 stop7h 02mDelta

Mon 11/33:42 pmSTT - SAT

1 stop10h 23mDelta

Deal found 6/12

$380

Thu 7/107:10 amSAT - STT

2 stops31h 00mMultiple Airlines

Wed 7/1610:43 amSTT - SAT

3 stops33h 39mMultiple Airlines

Deal found 6/11

$411

Thu 8/75:30 amSAT - STT

1 stop9h 13mUnited Airlines

Tue 8/121:19 pmSTT - SAT

1 stop9h 08mUnited Airlines

Deal found 6/10

$588

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 June 12, 2025.

Thu 9/46:13 pmSAT - STT

1 stop13h 32mSpirit Airlines

Mon 9/81:47 pmSTT - SAT

1 stop10h 38mSpirit Airlines

Deal found 6/11

$287

Tue 11/45:41 amSAT - STT

1 stop8h 09mAmerican Airlines

Tue 11/184:45 pmSTT - SAT

2 stops17h 42mAmerican Airlines

Deal found 6/11

$349

Mon 10/275:30 amSAT - STT

1 stop7h 02mDelta

Mon 11/33:42 pmSTT - SAT

1 stop10h 23mDelta

Deal found 6/12

$380

Thu 7/107:10 amSAT - STT

2 stops31h 00mMultiple Airlines

Wed 7/1610:43 amSTT - SAT

3 stops33h 39mMultiple Airlines

Deal found 6/11

$411

Thu 8/75:30 amSAT - STT

1 stop9h 13mUnited Airlines

Tue 8/121:19 pmSTT - SAT

1 stop9h 08mUnited Airlines

Deal found 6/10

$588

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 June 12, 2025 and is based on user searches.

Wed 6/114:19 pmSAT - STT

2 stops18h 58mUnited Airlines

Tue 6/174:45 pmSTT - SAT

3 stops21h 19mUnited Airlines

Deal found 6/11

$1,419

Tue 6/1712:32 pmSAT - STT

2 stops20h 16mSpirit Airlines

Tue 6/2410:47 amSTT - SAT

1 stop13h 22mSpirit Airlines

Deal found 6/10

$439

Wed 7/95:04 amSAT - STT

1 stop9h 51mAmerican Airlines

Wed 7/164:02 pmSTT - SAT

1 stop17h 59mAmerican Airlines

Deal found 6/10

$507

Thu 7/107:10 amSAT - STT

2 stops31h 00mMultiple Airlines

Wed 7/1610:43 amSTT - SAT

3 stops33h 39mMultiple Airlines

Deal found 6/11

$411

Tue 7/157:45 amSAT - STT

1 stop6h 25mSpirit Airlines

Sat 7/1910:43 amSTT - SAT

1 stop14h 51mSpirit Airlines

Deal found 6/11

$287

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 June 12, 2025.

Wed 6/2512:32 pmSAT - STT

2 stops20h 16mSpirit Airlines

Deal found 6/9

$186

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 9/4

6:13 pm-8:45 am

1 stop13h 32m

Saint Thomas Island Cyril E King

Mon 9/8

1:47 pm-11:25 pm

1 stop10h 38m

$287

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Tue 11/4

5:41 am-3:50 pm

1 stop8h 09m

Saint Thomas Island Cyril E King

Tue 11/18

4:45 pm-8:27 am

2 stops17h 42m

$349

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Mon 10/27

5:30 am-1:32 pm

1 stop7h 02m

Saint Thomas Island Cyril E King

Mon 11/3

3:42 pm-12:05 am

1 stop10h 23m

$380

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Thu 7/10

7:10 am-3:10 pm

2 stops31h 00m

Saint Thomas Island Cyril E King

Wed 7/16

10:43 am-7:22 pm

3 stops33h 39m

$411

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Thu 8/7

5:30 am-3:43 pm

1 stop9h 13m

Saint Thomas Island Cyril E King

Tue 8/12

1:19 pm-9:27 pm

1 stop9h 08m

$588

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Wed 6/25

12:32 pm-9:48 am

2 stops20h 16m

$186

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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 53 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 $650). 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 48% on airfare.

Reviews of airlines servicing Saint Thomas Island

Delta

8.0

Very good

7,946 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

7,946 reviews

Delta

8.0

Very good

7,946 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

8,790 reviews

Delta

8.0

Very good

7,946 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

7,946 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

8,052 reviews

Delta

8.0

Very good

7,946 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 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 $287. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $349 and $380, respectively. Users have found that Spirit Airlines is 45% 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 $650). 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$193	Average$342	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$217	Average$585	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$277	Average$538	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$305	Average$650	FlexibilityNo cancel fee	On-time69%

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$186+ 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 6/25. 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 August or February, booked 53 days in advance, depart on a Monday or Sunday and return on a Tuesday

Cheap flight deals from San Antonio to Saint Thomas Island

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 June 12, 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 June 12, 2025.

Cheapflights Fare Finder

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

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?

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 June 9, 2025.

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?

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 June 12, 2025.

Reviews of airlines servicing Saint Thomas Island

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?

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?

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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 June 12, 2025.