$111 Cheap Flights from Houston (IAH) to St. Thomas (STT)

View $111 flight on Tue, Jul 29, 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 $111 for one-way flights and $248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Mon, Jul 21 - Wed, Jul 23
IAH
Houston
STT
St. Thomas
$248 Roundtrip, found 3 days ago
$248
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Mon, Jul 21 from Houston to St. Thomas, returning Wed, Jul 23, priced at $248 found 3 days ago
Spirit Airlines
Fri, Aug 8 - Wed, Aug 13
IAH
Houston
STT
St. Thomas
$263 Roundtrip, found 1 hour ago
$263
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Fri, Aug 8 from Houston to St. Thomas, returning Wed, Aug 13, priced at $263 found 1 hour ago
Spirit Airlines
Tue, Aug 12 - Tue, Aug 19
IAH
Houston
STT
St. Thomas
$265 Roundtrip, found 3 days ago
$265
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Tue, Aug 12 from Houston to St. Thomas, returning Tue, Aug 19, priced at $265 found 3 days ago
Spirit Airlines
Tue, Jul 29 - Tue, Aug 5
IAH
Houston
STT
St. Thomas
$267 Roundtrip, found 18 hours ago
$267
Roundtrip
found 18 hours ago
Select Spirit Airlines flight, departing Tue, Jul 29 from Houston to St. Thomas, returning Tue, Aug 5, priced at $267 found 18 hours ago
Spirit Airlines
Tue, Jul 29 - Wed, Aug 6
IAH
Houston
STT
St. Thomas
$269 Roundtrip, found 1 day ago
$269
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Tue, Jul 29 from Houston to St. Thomas, returning Wed, Aug 6, priced at $269 found 1 day ago
Spirit Airlines
Mon, Aug 18 - Thu, Aug 21
IAH
Houston
STT
St. Thomas
$271 Roundtrip, found 16 hours ago
$271
Roundtrip
found 16 hours ago
Select Spirit Airlines flight, departing Mon, Aug 18 from Houston to St. Thomas, returning Thu, Aug 21, priced at $271 found 16 hours ago
JetBlue Airways
Tue, Aug 12 - Sat, Aug 30
IAH
Houston
STT
St. Thomas
$521 Roundtrip, found 8 hours ago
$521
Roundtrip
found 8 hours ago
Select JetBlue Airways flight, departing Tue, Aug 12 from Houston to St. Thomas, returning Sat, Aug 30, priced at $521 found 8 hours ago
United
Tue, Mar 10 - Tue, Mar 17
IAH
Houston
STT
St. Thomas
$540 Roundtrip, found 4 days ago
$540
Roundtrip
found 4 days ago
Select United flight, departing Tue, Mar 10 from Houston to St. Thomas, returning Tue, Mar 17, priced at $540 found 4 days ago
Delta
Mon, Sep 22 - Thu, Oct 9
IAH
Houston
STT
St. Thomas
$544 Roundtrip, found 1 hour ago
$544
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Sep 22 from Houston to St. Thomas, returning Thu, Oct 9, priced at $544 found 1 hour ago
American Airlines
Thu, Sep 18 - Wed, Oct 1
IAH
Houston
STT
St. Thomas
$545 Roundtrip, just found
$545
Roundtrip
just found
Select American Airlines flight, departing Thu, Sep 18 from Houston to St. Thomas, returning Wed, Oct 1, priced at $545 just found

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

March is typically the cheapest month to fly

From $180 - $757 per traveler.

Graph displaying average flight prices per month

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 $991
EIS
Terrance B. Lettsome Intl.
Flights from $991
Select flight to Benjamin Rivera Noriega CPX. Flights from $516
CPX
Benjamin Rivera Noriega
Flights from $516
Flights from Houston (IAH) to St. Thomas (STT)
Origin airport
George Bush Intercontinental
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, JetBlue Airways, Spirit Airlines, United
Roundtrip price
$247
Distance
2068 mi
Average flight time
3 hours 55 mins

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 July. 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 $111 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.

 

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT) cost?
You can score cheap return tickets from George Bush Intercontinental Airport (IAH) to Cyril E. King Airport (STT) starting at $535. Book a seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving IAH on July 27 2025 and touching down at STT. The price was last updated on July 2 2025 and has not changed since.
What is the cheapest month to fly from IAH to STT?
The cheapest flights from IAH to STT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
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 IAH to STT?
Journey from IAH to STT with United. This carrier currently offers the cheapest one-way fare for this route, starting from $303. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IAH on August 14 2025. Prices were last updated on July 2 2025 and have not changed since.
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.

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*Available to One Key members.