$145 Cheap Flights from Las Vegas (LAS) to St. Thomas (STT)

View $145 flight on Wed, Jan 7, 2026Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Cyril E. King Airport (STT)

Cheap Flights from Las Vegas to St. Thomas (LAS-STT)

Prices were available within the past 7 days and start at $145 for one-way flights and $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Thu, Jan 22 - Sat, Jan 31
LAS
Las Vegas
STT
St. Thomas
$269 Roundtrip, found 2 days ago
$269
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Thu, Jan 22 from Las Vegas to St. Thomas, returning Sat, Jan 31, priced at $269 found 2 days ago
Spirit Airlines
Thu, Jan 22 - Sat, Jan 31
LAS
Las Vegas
STT
St. Thomas
$294 Roundtrip, found 2 days ago
$294
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Thu, Jan 22 from Las Vegas to St. Thomas, returning Sat, Jan 31, priced at $294 found 2 days ago
Spirit Airlines
Wed, Dec 31 - Wed, Jan 7
LAS
Las Vegas
STT
St. Thomas
$300 Roundtrip, found 1 day ago
$300
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Wed, Dec 31 from Las Vegas to St. Thomas, returning Wed, Jan 7, priced at $300 found 1 day ago
Spirit Airlines
Fri, Dec 12 - Wed, Dec 31
LAS
Las Vegas
STT
St. Thomas
$306 Roundtrip, found 1 day ago
$306
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Fri, Dec 12 from Las Vegas to St. Thomas, returning Wed, Dec 31, priced at $306 found 1 day ago
Spirit Airlines
Thu, Jan 22 - Sat, Jan 31
LAS
Las Vegas
STT
St. Thomas
$313 Roundtrip, found 2 days ago
$313
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Thu, Jan 22 from Las Vegas to St. Thomas, returning Sat, Jan 31, priced at $313 found 2 days ago
Spirit Airlines
Fri, Dec 12 - Mon, Dec 15
LAS
Las Vegas
STT
St. Thomas
$314 Roundtrip, found 7 hours ago
$314
Roundtrip
found 7 hours ago
Select Spirit Airlines flight, departing Fri, Dec 12 from Las Vegas to St. Thomas, returning Mon, Dec 15, priced at $314 found 7 hours ago
American Airlines
Mon, Jan 12 - Thu, Jan 15
LAS
Las Vegas
STT
St. Thomas
$333 Roundtrip, found 1 hour ago
$333
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Jan 12 from Las Vegas to St. Thomas, returning Thu, Jan 15, priced at $333 found 1 hour ago
Delta
Mon, Jan 12 - Thu, Jan 15
LAS
Las Vegas
STT
St. Thomas
$333 Roundtrip, found 1 hour ago
$333
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Jan 12 from Las Vegas to St. Thomas, returning Thu, Jan 15, priced at $333 found 1 hour ago
United
Mon, Jan 12 - Thu, Jan 15
LAS
Las Vegas
STT
St. Thomas
$333 Roundtrip, found 1 hour ago
$333
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Jan 12 from Las Vegas to St. Thomas, returning Thu, Jan 15, priced at $333 found 1 hour ago
JetBlue Airways
Mon, Feb 2 - Fri, Feb 6
LAS
Las Vegas
STT
St. Thomas
$464 Roundtrip, found 2 days ago
$464
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Mon, Feb 2 from Las Vegas to St. Thomas, returning Fri, Feb 6, priced at $464 found 2 days ago

Find the cheapest month to fly from Las Vegas (LAS) to St. Thomas (STT)

March is typically the cheapest month to fly

From $205 - $720 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 Cyril E. King STT. Cheapest option available. Flights from $409
STT
Cyril E. King
Cheapest
Flights from $409

Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to Cyril E. King Airport (STT) cost?
Snag a cheap one-way flight from $145 or cheap return flight from $269 from Harry Reid Intl. Airport (LAS) to Cyril E. King Airport (STT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Harry Reid Intl. Airport (LAS) to Cyril E. King Airport (STT)?
The cheapest month to fly from LAS to STT is January, when there's less demand. Off-peak months are usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Harry Reid Intl. Airport (LAS) to Cyril E. King Airport (STT)?
To find the cheapest airline flying from LAS to STT, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Harry Reid Intl. Airport (LAS) to Cyril E. King Airport (STT)?
There aren't any daily nonstop flights from Harry Reid Intl. Airport (LAS) to Cyril E. King Airport (STT). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from LAS to STT?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Cyril E. King Airport (STT)?
To touch down at Cyril E. King Airport (STT) on schedule, pick a flight that takes off from Harry Reid Intl. Airport (LAS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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.
Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Cyril E. King Airport (STT) last-minute?
Holding off until just before your departure to book a flight from LAS to STT generally means paying more. While you might find some last-minute deals, there's no guarantee. Keep your travel schedule open for a better chance of scoring a bargain.
Is it cheaper to book a LAS to STT flight and hotel package?
Opting for a LAS to STT flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our wide range of accommodations 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 Harry Reid Intl. Airport (LAS) to Cyril E. King Airport (STT)?
If you booked your LAS to STT flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Origin airport
Harry Reid Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$268
Distance
3276 mi

Book with confidence

Las Vegas to St. Thomas Flights

The cheapest times to fly from Las Vegas 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 Las Vegas to St. Thomas are during the month of January. You can find some of the cheapest flights from Las Vegas to St. Thomas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Las Vegas to St. Thomas

Sunday is one of the best days to book for cheap flights from Las Vegas 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 Las Vegas 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 Las Vegas to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $145 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 Las Vegas 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 Las Vegas 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.

 

Las Vegas to St. Thomas Flights

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*Available to One Key members.