$121 Cheap Flights from Houston (IAH) to St. Thomas (STT)

View $121 flight on Tue, Nov 25, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT)

Cheap Flights from Houston to St. Thomas (IAH-STT)

Prices were available within the past 7 days and start at $121 for one-way flights and $223 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Tue, Nov 25 - Tue, Dec 2
IAH
Houston
STT
St. Thomas
$223 Roundtrip, found 13 hours ago
$223
Roundtrip
found 13 hours ago
Select Spirit Airlines flight, departing Tue, Nov 25 from Houston to St. Thomas, returning Tue, Dec 2, priced at $223 found 13 hours ago
Spirit Airlines
Sun, Feb 8 - Wed, Feb 11
IAH
Houston
STT
St. Thomas
$243 Roundtrip, found 19 hours ago
$243
Roundtrip
found 19 hours ago
Select Spirit Airlines flight, departing Sun, Feb 8 from Houston to St. Thomas, returning Wed, Feb 11, priced at $243 found 19 hours ago
Spirit Airlines
Sun, Feb 8 - Wed, Feb 11
IAH
Houston
STT
St. Thomas
$245 Roundtrip, found 19 hours ago
$245
Roundtrip
found 19 hours ago
Select Spirit Airlines flight, departing Sun, Feb 8 from Houston to St. Thomas, returning Wed, Feb 11, priced at $245 found 19 hours ago
Spirit Airlines
Tue, Nov 25 - Tue, Dec 2
IAH
Houston
STT
St. Thomas
$246 Roundtrip, found 13 hours ago
$246
Roundtrip
found 13 hours ago
Select Spirit Airlines flight, departing Tue, Nov 25 from Houston to St. Thomas, returning Tue, Dec 2, priced at $246 found 13 hours ago
Spirit Airlines
Tue, Dec 2 - Sat, Dec 6
IAH
Houston
STT
St. Thomas
$247 Roundtrip, found 1 hour ago
$247
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Tue, Dec 2 from Houston to St. Thomas, returning Sat, Dec 6, priced at $247 found 1 hour ago
Spirit Airlines
Tue, Nov 25 - Tue, Dec 2
IAH
Houston
STT
St. Thomas
$248 Roundtrip, found 13 hours ago
$248
Roundtrip
found 13 hours ago
Select Spirit Airlines flight, departing Tue, Nov 25 from Houston to St. Thomas, returning Tue, Dec 2, priced at $248 found 13 hours ago
JetBlue Airways
Wed, Jan 21 - Fri, Jan 23
IAH
Houston
STT
St. Thomas
$485 Roundtrip, found 3 days ago
$485
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Wed, Jan 21 from Houston to St. Thomas, returning Fri, Jan 23, priced at $485 found 3 days ago
American Airlines
Fri, Jan 30 - Sun, Feb 8
IAH
Houston
STT
St. Thomas
$535 Roundtrip, just found
$535
Roundtrip
just found
Select American Airlines flight, departing Fri, Jan 30 from Houston to St. Thomas, returning Sun, Feb 8, priced at $535 just found
United
Thu, Mar 5 - Tue, Mar 10
IAH
Houston
STT
St. Thomas
$535 Roundtrip, found 18 hours ago
$535
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Mar 5 from Houston to St. Thomas, returning Tue, Mar 10, priced at $535 found 18 hours ago
Delta
Sun, Jan 11 - Tue, Jan 20
IAH
Houston
STT
St. Thomas
$544 Roundtrip, just found
$544
Roundtrip
just found
Select Delta flight, departing Sun, Jan 11 from Houston to St. Thomas, returning Tue, Jan 20, priced at $544 just found

Find the cheapest month to fly from Houston (IAH) to St. Thomas (STT)

March is typically the cheapest month to fly

From $181 - $774 per traveler.

Alternative airports near St. Thomas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Terrance B. Lettsome Intl. EIS. Flights from $1,053
EIS
Terrance B. Lettsome Intl.
Flights from $1,053
Select flight to Benjamin Rivera Noriega CPX. Cheapest option available. Flights from $528
CPX
Benjamin Rivera Noriega
Cheapest
Flights from $528

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT) cost?
Lock in a cheap one-way flight from $121 or cheap return flight from $223 from George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT)?
Flying in November is a good way to save, as it's the cheapest month for flights between IAH and STT. You'll usually find the lowest fares during the off-season.
Which airlines fly direct from George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT)?
You can fly directly from George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT) on a United Airlines flight.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest IAH to STT flight.
How many flights per day from George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT)?
On average, there are 1 nonstop flights departing from George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT) each week. If you can't see one that works for your schedule, think about a flight that has a layover. Filter your search on Expedia to include one stop or more and opt for the next best alternative.
What are the most popular departure times for flights from George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT)?
More people fly between IAH and STT at 9 AM than at any other time. Prefer a quieter experience? Travel outside of rush hours and you could save on your fare as well.
What day of the week has the most flights from IAH to STT?
Fly on a Saturday if you're searching for the best choice of flights from George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT).
What is the earliest flight from George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT)?
Catch the earliest flight at around 9:50AM UTC-6, heading out of George Bush Intercontinental Airport (IAH). You'll be in the air for approximately 4h 43m, arriving at Cyril E. King Airport (STT) at approximately 4:33PM UTC-4.
How long does it take to fly from George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT)?
Flights from IAH to STT have an average travel time of 4 hours and 43 minutes. The distance between the two airports is 2,100 mi.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT)?
To avoid possible delays on the George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT) route, aim to fly before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for St. Thomas from George Bush Intercontinental Airport (IAH)?
Cyril E. King Airport (STT) is the only airport in St. Thomas with direct flights from George Bush Intercontinental Airport (IAH). Browse the options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT) last-minute?
Waiting until just before your departure to book a flight from IAH to STT generally means paying more. While you might find some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible to boost your chances of scoring a bargain.
Is it cheaper to book an IAH to STT flight and hotel package?
You can save money by booking an IAH to STT flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've selected your ideal accommodations and flights, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT)?
In most cases, you're able to reschedule or cancel your IAH to STT flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like further information, head to our Customer Service portal.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, JetBlue Airways, Spirit Airlines, United
Roundtrip price
$222
Distance
2068 mi
Average flight time
4 hours 1 min

Book with confidence

Houston to St. Thomas Flights

The cheapest times to fly from Houston to St. Thomas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to St. Thomas are during the month of November. You can find some of the cheapest flights from Houston to St. Thomas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to St. Thomas

Sunday is one of the best days to book for cheap flights from Houston to St. Thomas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to St. Thomas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $121 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to St. Thomas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to St. Thomas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Houston to St. Thomas Flights

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*Available to One Key members.