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 $301. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $329 and $379, respectively. Users have found that Spirit Airlines is 42% 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 $522. You can even find prices in August for less than $522, 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 81%.

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.

$157+ Flights from San Antonio to Saint Thomas Island - Compare & Save Big

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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	$301 (Booking.com)
One-way from	$157 (Mytrip)
Popular in	March
Cheapest in	August
Average price	$532

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. 11% potential increase in price ($70 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease ($40 potential savings vs. average RT price).

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Average for round-trip flights in May 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 May 1, 2025.

Thu 6/122:57 pmSAT - STT

2 stops17h 51mSpirit Airlines

Tue 6/1710:47 amSTT - SAT

1 stop13h 19mSpirit Airlines

Deal found 4/29

$301

Fri 5/95:20 amSAT - STT

1 stop7h 21mDelta

Tue 5/132:51 pmSTT - SAT

1 stop10h 30mDelta

Deal found 4/30

$329

Mon 6/307:00 amSAT - STT

1 stop7h 02mAmerican Airlines

Wed 7/305:05 pmSTT - SAT

1 stop8h 25mAmerican Airlines

Deal found 4/30

$379

Tue 7/15:30 amSAT - STT

1 stop9h 13mUnited Airlines

Thu 7/311:19 pmSTT - SAT

1 stop6h 53mUnited Airlines

Deal found 4/30

$418

Wed 7/27:30 amSAT - STT

1 stop7h 13mMultiple Airlines

Wed 7/25:45 pmSTT - SAT

2 stops16h 05mMultiple Airlines

Deal found 4/30

$763

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 May 1, 2025.

Thu 6/122:57 pmSAT - STT

2 stops17h 51mSpirit Airlines

Tue 6/1710:47 amSTT - SAT

1 stop13h 19mSpirit Airlines

Deal found 4/29

$301

Sat 5/105:20 amSAT - STT

1 stop7h 21mDelta

Thu 5/151:17 pmSTT - SAT

1 stop12h 04mDelta

Deal found 4/30

$329

Mon 6/307:00 amSAT - STT

1 stop7h 02mAmerican Airlines

Wed 7/305:05 pmSTT - SAT

1 stop8h 25mAmerican Airlines

Deal found 4/30

$379

Tue 7/15:30 amSAT - STT

1 stop9h 13mUnited Airlines

Thu 7/311:19 pmSTT - SAT

1 stop6h 53mUnited Airlines

Deal found 4/30

$418

Wed 7/27:30 amSAT - STT

1 stop7h 13mMultiple Airlines

Wed 7/25:45 pmSTT - SAT

2 stops16h 05mMultiple Airlines

Deal found 4/30

$763

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 May 1, 2025 and is based on user searches.

Wed 5/77:05 amSAT - STT

1 stop25h 52mSpirit Airlines

Tue 5/1310:52 amSTT - SAT

1 stop12h 59mSpirit Airlines

Deal found 4/29

$420

Fri 5/95:20 amSAT - STT

1 stop7h 21mDelta

Tue 5/132:51 pmSTT - SAT

1 stop10h 30mDelta

Deal found 4/30

$329

Fri 5/96:05 pmSAT - STT

1 stop15h 50mAmerican Airlines

Tue 5/135:10 pmSTT - SAT

1 stop7h 12mAmerican Airlines

Deal found 4/29

$440

Sat 5/102:25 pmSAT - STT

3 stops24h 18mUnited Airlines

Thu 5/154:45 pmSTT - SAT

2 stops21h 33mUnited Airlines

Deal found 4/30

$719

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 May 1, 2025.

Wed 6/47:05 amSAT - STT

1 stop25h 52mSpirit Airlines

Deal found 4/28

$157

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 6/12

2:57 pm-9:48 am

2 stops17h 51m

Saint Thomas Island Cyril E King

Tue 6/17

10:47 am-11:06 pm

1 stop13h 19m

$301

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Fri 5/9

5:20 am-1:41 pm

1 stop7h 21m

Saint Thomas Island Cyril E King

Tue 5/13

2:51 pm-12:21 am

1 stop10h 30m

$329

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Mon 6/30

7:00 am-3:02 pm

1 stop7h 02m

Saint Thomas Island Cyril E King

Wed 7/30

5:05 pm-12:30 am

1 stop8h 25m

$379

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Tue 7/1

5:30 am-3:43 pm

1 stop9h 13m

Saint Thomas Island Cyril E King

Thu 7/31

1:19 pm-7:12 pm

1 stop6h 53m

$418

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Wed 7/2

7:30 am-3:43 pm

1 stop7h 13m

Saint Thomas Island Cyril E King

Wed 7/2

5:45 pm-8:50 am

2 stops16h 05m

$763

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Wed 6/4

7:05 am-9:57 am

1 stop25h 52m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 May.

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 $432). Flying from San Antonio to Saint Thomas Island in June is currently the most expensive (average of $627). 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

Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from San Antonio to Saint Thomas Island by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,934 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

7,934 reviews

Delta

8.0

Very good

7,934 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

8,696 reviews

Delta

8.0

Very good

7,934 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

7,934 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

7,963 reviews

Delta

8.0

Very good

7,934 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 $301. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $329 and $379, respectively. Users have found that Spirit Airlines is 42% 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 $432). Flying from San Antonio to Saint Thomas Island in June is currently the most expensive (average of $627). 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$310	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$217	Average$577	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$277	Average$438	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$305	Average$667	FlexibilityNo cancel fee	On-time69%

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$157+ 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 6/4. 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

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 May 1, 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 May 1, 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 May.

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 25, 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 May 1, 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 May 1, 2025.