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Saint Thomas Island

$443+ Cheap flights from Galveston, TX 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — STT
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Galveston to Saint Thomas Island Cyril E King are usually found in October or November, booked 22 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

Cheap flight deals from Galveston to Saint Thomas Island

Keep the following information in mind while searching for Galveston to Saint Thomas Island flight deals. Data was last updated September 15, 2025.

Round-trip from

$545
(American Airlines)

One-way from

$443
(Delta)

Popular in

June

Cheapest in

October

Average price

$474
From Galveston to Saint Thomas Island Cyril E King
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One-way flight from Galveston to Saint Thomas Island Cyril E King
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Highest demand for flights based on searches. 10% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 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 Galveston to Saint Thomas Island

Cheapest flights from Galveston to Saint Thomas Island
Explore the most affordable flight options available from Galveston to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:21 pmHOU - STT
2 stops18h 19mAmerican Airlines
Thu 1/86:35 pmSTT - HOU
2 stops16h 03mAmerican Airlines
Deal found 9/14$545
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:00 amHOU - STT
1 stop7h 50mDelta
Thu 10/232:49 pmSTT - HOU
1 stop9h 11mDelta
Deal found 9/15$569
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:44 amHOU - STT
1 stop9h 10mAmerican Airlines
Wed 12/176:17 pmSTT - HOU
2 stops17h 26mAmerican Airlines
Deal found 9/15$570
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.
Thu 11/138:20 pmHOU - STT
2 stops18h 37mAmerican Airlines
Mon 11/176:17 pmSTT - HOU
2 stops17h 24mAmerican Airlines
Deal found 9/13$582
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:20 pmHOU - STT
2 stops18h 37mAmerican Airlines
Tue 11/186:17 pmSTT - HOU
2 stops17h 24mAmerican Airlines
Deal found 9/15$627
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 11/16:39 pmHOU - STT
2 stops19h 46mAmerican Airlines
Wed 11/56:17 pmSTT - HOU
2 stops16h 18mAmerican Airlines
Deal found 9/13$672
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:37 pmHOU - STT
2 stops17h 14mAmerican Airlines
Mon 11/106:17 pmSTT - HOU
2 stops16h 20mAmerican Airlines
Deal found 9/15$697
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:11 pmHOU - STT
2 stops18h 54mAmerican Airlines
Mon 10/205:20 pmSTT - HOU
2 stops17h 22mAmerican Airlines
Deal found 9/14$709
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amHOU - STT
1 stop8h 25mDelta
Thu 1/84:00 pmSTT - HOU
1 stop7h 46mDelta
Deal found 9/15$717
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:00 amHOU - STT
1 stop6h 33mDelta
Thu 10/92:49 pmSTT - HOU
1 stop9h 11mDelta
Deal found 9/15$739
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/218:32 pmHOU - STT
2 stops18h 28mAmerican Airlines
Sun 9/285:10 pmSTT - HOU
2 stops17h 34mAmerican Airlines
Deal found 9/14$764
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:00 amHOU - STT
1 stop6h 39mDelta
Mon 11/33:49 pmSTT - HOU
1 stop9h 11mDelta
Deal found 9/13$767

Cheapflights Fare Finder

 
Customize your flight search to find flights from Galveston 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 Galveston to Saint Thomas Island that are best for you.

Fly from

Galveston

Fly to

Saint Thomas Island

Route

Depart

Return

Price

HoustonSaint Thomas Island

HOU - STT

HOUSTT

Houston Hobby

Sat 12/13

6:36 pm-3:26 pm

2 stops18h 50m

Saint Thomas Island Cyril E King

Wed 12/17

6:17 pm-9:43 am

2 stops17h 26m

$545

HoustonSaint Thomas Island

HOU - STT

HOUSTT

Houston Hobby

Thu 11/13

8:20 pm-4:57 pm

2 stops18h 37m

Saint Thomas Island Cyril E King

Mon 11/17

6:17 pm-9:41 am

2 stops17h 24m

$582

HoustonSaint Thomas Island

HOU - STT

HOUSTT

Houston Hobby

Thu 11/13

8:20 pm-4:57 pm

2 stops18h 37m

Saint Thomas Island Cyril E King

Tue 11/18

6:17 pm-9:41 am

2 stops17h 24m

$627

HoustonSaint Thomas Island

HOU - STT

HOUSTT

Houston Hobby

Sat 11/1

6:39 pm-3:25 pm

2 stops19h 46m

Saint Thomas Island Cyril E King

Tue 11/4

4:17 pm-8:37 am

2 stops18h 20m

$672

HoustonSaint Thomas Island

HOU - STT

HOUSTT

Houston Hobby

Fri 11/7

6:37 pm-1:51 pm

2 stops17h 14m

Saint Thomas Island Cyril E King

Mon 11/10

6:17 pm-8:37 am

2 stops16h 20m

$697

HoustonSaint Thomas Island

HOU - STT

HOUSTT

Houston Hobby

Thu 10/16

8:11 pm-4:05 pm

2 stops18h 54m

Saint Thomas Island Cyril E King

Mon 10/20

5:20 pm-9:42 am

2 stops17h 22m

$709

HoustonSaint Thomas Island

HOU - STT

HOUSTT

Houston Hobby

Wed 11/5

6:37 pm-3:25 pm

2 stops18h 48m

Saint Thomas Island Cyril E King

Sun 11/9

6:17 pm-9:41 am

2 stops17h 24m

$709

HoustonSaint Thomas Island

HOU - STT

HOUSTT

Houston Hobby

Sat 10/4

6:00 am-1:33 pm

1 stop6h 33m

Saint Thomas Island Cyril E King

Thu 10/9

2:49 pm-11:00 pm

1 stop9h 11m

$739

HoustonSaint Thomas Island

HOU - STT

HOUSTT

Houston Hobby

Sun 9/21

8:32 pm-4:00 pm

2 stops18h 28m

Saint Thomas Island Cyril E King

Sun 9/28

5:10 pm-9:44 am

2 stops17h 34m

$764

HoustonSaint Thomas Island

HOU - STT

HOUSTT

Houston Hobby

Thu 10/30

6:00 am-1:39 pm

1 stop6h 39m

Saint Thomas Island Cyril E King

Mon 11/3

3:49 pm-11:00 pm

1 stop9h 11m

$767

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 14 results
1
2

Best time to book a flight from Galveston to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Galveston 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 Galveston to Saint Thomas Island

How far ahead should I book a flight from Galveston to Saint Thomas Island?

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

The best time to book flights from Galveston to Saint Thomas Island is 22 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 Galveston to Saint Thomas Island?

Currently, September is the cheapest month in which you can book a flight from Galveston to Saint Thomas Island (average of $433). Flying from Galveston 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 G4L to STT?

Find hourly flight availability from Galveston 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.

When flying from Galveston to Saint Thomas Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Use this chart to determine the cheapest time to fly round-trip from Galveston to Saint Thomas Island. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Galveston to Saint Thomas Island flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 reviews from past customers who have flown Delta, United Airlines, and American Airlines from Galveston to Saint Thomas Island. 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
7,954 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

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

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

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

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

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

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

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

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

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 Galveston 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 airport do you fly into for flights to Saint Thomas Island from Galveston?

    Saint Thomas Island Cyril E King (STT), located 2.8 mi from the city center, is the airport you fly into when you book flights from Galveston to Saint Thomas Island. 4 airlines have flights to Cyril E King from Galveston on a regular basis. Booking flights from Galveston to Saint Thomas Island Cyril E King should not be difficult; the airport handles an average of 0 inbound flights from Galveston per day.

  • How long is the flight from Galveston to Saint Thomas Island?

    A quick flight from Galveston to Saint Thomas Island can take about 18h 50m. American Airlines provides one of the quickest options available for as low as $545. The distance between Galveston and Saint Thomas Island is about 2057 mi.

  • Can I find deals for flights from Galveston to Saint Thomas Island that include hotel bookings?

    Yes. In addition to deals on Galveston to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Galveston 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 Galveston to Saint Thomas Island.

  • Can I find deals for business class flights from Galveston to Saint Thomas Island?

    Yes. Cheapflights offers flight deals from Galveston 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 Galveston to Saint Thomas Island?

    Currently, September is the cheapest month in which you can book a flight from Galveston to Saint Thomas Island (average of $433). Flying from Galveston 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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Alternative routes for Galveston to Saint Thomas Island

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Top 4 airlines flying from Galveston to Saint Thomas Island

Discover the top 4 airlines that operate flights from Galveston 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$187Average$324FlexibilityNo cancel feeOn-time65%
DeltaCheapest$307Average$633FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$512Average$750FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$533Average$639FlexibilityNo cancel feeOn-time71%

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