$143 Cheap Flights from St. Thomas (STT) to Houston (IAH)

View $143 flight on Tue, Aug 12, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $143 for one-way flights and $291 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Thu, Jun 12 - Mon, Jun 16
STT
St. Thomas
IAH
Houston
$291 Roundtrip, found 1 day ago
$291
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Thu, Jun 12 from St. Thomas to Houston, returning Mon, Jun 16, priced at $291 found 1 day ago
Spirit Airlines
Wed, May 14 - Sat, May 17
STT
St. Thomas
IAH
Houston
$305 Roundtrip, found 2 days ago
$305
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Wed, May 14 from St. Thomas to Houston, returning Sat, May 17, priced at $305 found 2 days ago
Spirit Airlines
Sat, May 24 - Mon, May 26
STT
St. Thomas
IAH
Houston
$306 Roundtrip, found 11 hours ago
$306
Roundtrip
found 11 hours ago
Select Spirit Airlines flight, departing Sat, May 24 from St. Thomas to Houston, returning Mon, May 26, priced at $306 found 11 hours ago
Spirit Airlines
Thu, Jun 12 - Mon, Jun 16
STT
St. Thomas
IAH
Houston
$311 Roundtrip, found 1 day ago
$311
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Thu, Jun 12 from St. Thomas to Houston, returning Mon, Jun 16, priced at $311 found 1 day ago
Spirit Airlines
Sat, May 24 - Mon, May 26
STT
St. Thomas
IAH
Houston
$312 Roundtrip, found 11 hours ago
$312
Roundtrip
found 11 hours ago
Select Spirit Airlines flight, departing Sat, May 24 from St. Thomas to Houston, returning Mon, May 26, priced at $312 found 11 hours ago
Spirit Airlines
Fri, May 16 - Mon, May 19
STT
St. Thomas
IAH
Houston
$316 Roundtrip, found 5 days ago
$316
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Fri, May 16 from St. Thomas to Houston, returning Mon, May 19, priced at $316 found 5 days ago
United
Thu, Jul 17 - Mon, Jul 21
STT
St. Thomas
IAH
Houston
$535 Roundtrip, found 1 hour ago
$535
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Jul 17 from St. Thomas to Houston, returning Mon, Jul 21, priced at $535 found 1 hour ago
Delta
Thu, Jul 17 - Mon, Jul 21
STT
St. Thomas
IAH
Houston
$544 Roundtrip, found 1 hour ago
$544
Roundtrip
found 1 hour ago
Select Delta flight, departing Thu, Jul 17 from St. Thomas to Houston, returning Mon, Jul 21, priced at $544 found 1 hour ago
American Airlines
Mon, Sep 8 - Tue, Sep 16
STT
St. Thomas
IAH
Houston
$545 Roundtrip, just found
$545
Roundtrip
just found
Select American Airlines flight, departing Mon, Sep 8 from St. Thomas to Houston, returning Tue, Sep 16, priced at $545 just found
JetBlue Airways
Fri, May 9 - Tue, May 13
STT
St. Thomas
IAH
Houston
$631 Roundtrip, found 1 day ago
$631
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Fri, May 9 from St. Thomas to Houston, returning Tue, May 13, priced at $631 found 1 day ago
Flights from St. Thomas (STT) to Houston (IAH)
Origin airport
Cyril E. King
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, JetBlue Airways, Spirit Airlines, United
Roundtrip price
$290
Distance
2068 mi

St. Thomas to Houston Flights

The cheapest times to fly from St. Thomas to Houston

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 St. Thomas to Houston are during the month of June. You can find some of the cheapest flights from St. Thomas to Houston with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Thomas to Houston: 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 St. Thomas to Houston

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 St. Thomas to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $143 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 St. Thomas to Houston 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 St. Thomas to Houston 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 Cyril E. King Airport (STT) to George Bush Intercontinental Airport (IAH) cost?
You’ll find cheap return tickets from Cyril E. King Airport (STT) to George Bush Intercontinental Airport (IAH) starting from $535. Book your 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 STT on May 17 2025 and touching down at IAH. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from STT to IAH?
The cheapest flights from STT to IAH 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 Cyril E. King Airport (STT) to George Bush Intercontinental Airport (IAH)?
Jump on a nonstop flight with United Airlines and journey straight from Cyril E. King Airport (STT) to George Bush Intercontinental Airport (IAH).
What is the cheapest airline that flies from STT to IAH?
Journey from STT to IAH with United. This carrier currently has the cheapest one-way ticket on this route, starting at $307. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from STT on May 28 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Cyril E. King Airport (STT) to George Bush Intercontinental Airport (IAH)?
On average, Cyril E. King Airport (STT) has 1 direct flights to George Bush Intercontinental Airport (IAH) per week. If you’re looking for more choice, use Expedia’s filters to discover flights with a layover. Fit in a quick visit to another city or simply break up your trip.
What are the most popular departure times for flights from Cyril E. King Airport (STT) to George Bush Intercontinental Airport (IAH)?
The 2 PM departures from STT to IAH see the highest demand. Greater demand means you’ll likely pay more for these departures. If you’re looking to save, pick a less crowded time to fly.
What day of the week has the most flights from STT to IAH?
If you fly on a Saturday, you’ll get the biggest range of options for flights from Cyril E. King Airport (STT) to George Bush Intercontinental Airport (IAH).
What is the earliest flight from Cyril E. King Airport (STT) to George Bush Intercontinental Airport (IAH)?
The earliest flight leaving from Cyril E. King Airport (STT) is at around 2:15PM UTC-4. Board this flight and you’ll arrive at George Bush Intercontinental Airport (IAH) at approximately 5:37PM UTC-6. The overall travel time is 5h 22m.
How long does it take to fly from Cyril E. King Airport (STT) to George Bush Intercontinental Airport (IAH)?
Flights from STT to IAH have an average travel time of 5 hours and 22 minutes. The total distance between the two is 2,100 mi.
What airline has the least delays from STT to IAH?
Consider booking with United Airlines if you’d like to fly straight from Cyril E. King Airport (STT) to George Bush Intercontinental Airport (IAH) without any holdups. This airline has the strongest track record for punctuality, with an on-time score of 80%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Cyril E. King Airport (STT) to George Bush Intercontinental Airport (IAH)?
To avoid possible delays on the Cyril E. King Airport (STT) to George Bush Intercontinental Airport (IAH) route, fly before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Houston from Cyril E. King Airport (STT)?
If you’re flying on a direct flight from Cyril E. King Airport (STT) to Houston, George Bush Intercontinental Airport (IAH) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Cyril E. King Airport (STT) to George Bush Intercontinental Airport (IAH) last-minute?
Last-minute fares from STT to IAH are typically more expensive. To secure the cheapest rates, start looking for flights as early as possible. That said, if you can play around with your travel dates, you may find a cheap fare just before your departure.
Is it cheaper to book a STT to IAH flight and hotel package?
Booking a STT to IAH flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our extensive range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cyril E. King Airport (STT) to George Bush Intercontinental Airport (IAH)?
You can usually cancel or reschedule your STT to IAH flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find more information on our Customer Service portal.

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