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 $288. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $289 and $315, 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 197% 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 80%.

Most accurate provider : When it comes to deals on San Antonio-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 San Antonio-Saint Thomas Island flight deals on Cheapflights vs. AranGrant >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 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 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.

$288+ Flights from San Antonio to Saint Thomas Island

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1. Tell us where you want to go

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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 55 days in advance, depart on a Monday or Sunday and return on a Tuesday

Cheap flight deals from San Antonio to Saint Thomas Island

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$288 (FlightHub)
Popular in	March
Cheapest in	August
Average price	$435

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

Highest demand for flights based on searches. 11% potential increase in price ($68 potential increase over avg. RT price).

Search Deals

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 April 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 April 16, 2025.

Tue 6/171:44 pmSAT - STT

2 stops19h 04mSpirit Airlines

Tue 6/2410:47 amSTT - SAT

1 stop13h 09mSpirit Airlines

Deal found 4/15

$288

Fri 5/98:34 pmSAT - STT

2 stops18h 46mAmerican Airlines

Tue 5/135:10 pmSTT - SAT

1 stop7h 12mAmerican Airlines

Deal found 4/15

$289

Thu 7/105:30 amSAT - STT

1 stop7h 25mDelta

Thu 7/173:00 pmSTT - SAT

1 stop8h 25mDelta

Deal found 4/14

$315

Sat 6/215:30 amSAT - STT

1 stop9h 13mMultiple Airlines

Tue 7/12:05 pmSTT - SAT

2 stops19h 45mMultiple Airlines

Deal found 4/15

$578

Fri 7/412:55 pmSAT - STT

1 stop24h 59mUnited Airlines

Wed 7/91:19 pmSTT - SAT

1 stop9h 08mUnited Airlines

Deal found 4/15

$652

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 April 16, 2025.

Tue 6/171:44 pmSAT - STT

2 stops19h 04mSpirit Airlines

Tue 6/2410:47 amSTT - SAT

1 stop13h 09mSpirit Airlines

Deal found 4/15

$288

Fri 5/98:34 pmSAT - STT

2 stops18h 46mAmerican Airlines

Tue 5/135:10 pmSTT - SAT

2 stops17h 53mAmerican Airlines

Deal found 4/15

$289

Thu 7/105:30 amSAT - STT

1 stop7h 25mDelta

Thu 7/173:00 pmSTT - SAT

1 stop8h 25mDelta

Deal found 4/14

$315

Sat 6/215:30 amSAT - STT

1 stop9h 13mMultiple Airlines

Tue 7/12:05 pmSTT - SAT

2 stops19h 45mMultiple Airlines

Deal found 4/15

$578

Fri 7/412:55 pmSAT - STT

1 stop24h 59mUnited Airlines

Wed 7/91:19 pmSTT - SAT

1 stop9h 08mUnited Airlines

Deal found 4/15

$652

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 April 16, 2025 and is based on user searches.

Wed 4/3010:09 amSAT - STT

1 stop22h 51mSpirit Airlines

Sat 5/312:29 pmSTT - SAT

1 stop21h 45mSpirit Airlines

Deal found 4/16

$384

Mon 5/54:40 pmSAT - STT

1 stop19h 21mUnited Airlines

Mon 5/122:10 pmSTT - SAT

2 stops19h 21mUnited Airlines

Deal found 4/16

$795

Fri 5/98:34 pmSAT - STT

2 stops18h 46mAmerican Airlines

Tue 5/135:10 pmSTT - SAT

2 stops17h 53mAmerican Airlines

Deal found 4/15

$289

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

Tue 6/17

1:44 pm-9:48 am

2 stops19h 04m

Saint Thomas Island Cyril E King

Tue 6/24

10:47 am-10:56 pm

1 stop13h 09m

$288

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Fri 5/9

8:34 pm-4:20 pm

2 stops18h 46m

Saint Thomas Island Cyril E King

Tue 5/13

5:10 pm-11:22 pm

1 stop7h 12m

$289

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Thu 7/10

5:30 am-1:55 pm

1 stop7h 25m

Saint Thomas Island Cyril E King

Thu 7/17

3:00 pm-10:25 pm

1 stop8h 25m

$315

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Sat 6/21

5:30 am-3:43 pm

1 stop9h 13m

Saint Thomas Island Cyril E King

Tue 7/1

2:05 pm-8:50 am

2 stops19h 45m

$578

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Fri 7/4

12:55 pm-2:54 pm

1 stop24h 59m

Saint Thomas Island Cyril E King

Wed 7/9

1:19 pm-9:27 pm

1 stop9h 08m

$652

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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 April.

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 San Antonio-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 San Antonio-Saint Thomas Island flight deals on Cheapflights vs. AranGrant >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 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 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 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 $640). 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

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,916 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,665 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Spirit Airlines

6.3

Okay

7,923 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $288. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $289 and $315, 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 $640). 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$197	Average$286	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$217	Average$578	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$277	Average$462	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$305	Average$659	FlexibilityNo cancel fee	On-time69%

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$288+ 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 6/17. 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 55 days in advance, depart on a Monday or Sunday and return on a Tuesday

Cheap flight deals from San Antonio to Saint Thomas Island

Most accurate provider

Most trusted provider

Round-trip 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 April 16, 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 April 16, 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.

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 April.

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 April 11, 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 April 16, 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 April 16, 2025.