$163 Cheap Flights from Las Vegas (LAS) to St. Thomas (STT)

View $163 flight on Wed, Oct 29, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $163 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Mon, Sep 8 - Tue, Sep 16
LAS
Las Vegas
STT
St. Thomas
$299 Roundtrip, found 3 hours ago
$299
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Mon, Sep 8 from Las Vegas to St. Thomas, returning Tue, Sep 16, priced at $299 found 3 hours ago
Spirit Airlines
Fri, Oct 31 - Sun, Nov 2
LAS
Las Vegas
STT
St. Thomas
$329 Roundtrip, found 5 days ago
$329
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Fri, Oct 31 from Las Vegas to St. Thomas, returning Sun, Nov 2, priced at $329 found 5 days ago
Spirit Airlines
Sat, Aug 30 - Sat, Sep 6
LAS
Las Vegas
STT
St. Thomas
$331 Roundtrip, found 6 days ago
$331
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Sat, Aug 30 from Las Vegas to St. Thomas, returning Sat, Sep 6, priced at $331 found 6 days ago
Spirit Airlines
Sat, Aug 30 - Sat, Sep 6
LAS
Las Vegas
STT
St. Thomas
$332 Roundtrip, found 6 days ago
$332
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Sat, Aug 30 from Las Vegas to St. Thomas, returning Sat, Sep 6, priced at $332 found 6 days ago
American Airlines
Fri, Oct 17 - Wed, Oct 22
LAS
Las Vegas
STT
St. Thomas
$333 Roundtrip, found 9 hours ago
$333
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Fri, Oct 17 from Las Vegas to St. Thomas, returning Wed, Oct 22, priced at $333 found 9 hours ago
Delta
Tue, Jan 6 - Wed, Jan 21
LAS
Las Vegas
STT
St. Thomas
$333 Roundtrip, found 1 day ago
$333
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 6 from Las Vegas to St. Thomas, returning Wed, Jan 21, priced at $333 found 1 day ago
Spirit Airlines
Fri, Sep 12 - Tue, Sep 16
LAS
Las Vegas
STT
St. Thomas
$337 Roundtrip, found 1 day ago
$337
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Fri, Sep 12 from Las Vegas to St. Thomas, returning Tue, Sep 16, priced at $337 found 1 day ago
Spirit Airlines
Wed, Oct 29 - Sun, Nov 2
LAS
Las Vegas
STT
St. Thomas
$341 Roundtrip, found 4 days ago
$341
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Wed, Oct 29 from Las Vegas to St. Thomas, returning Sun, Nov 2, priced at $341 found 4 days ago
United
Sat, Jan 17 - Mon, Feb 2
LAS
Las Vegas
STT
St. Thomas
$382 Roundtrip, found 9 hours ago
$382
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Jan 17 from Las Vegas to St. Thomas, returning Mon, Feb 2, priced at $382 found 9 hours ago
JetBlue Airways
Thu, Oct 23 - Tue, Oct 28
LAS
Las Vegas
STT
St. Thomas
$473 Roundtrip, found 5 days ago
$473
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Thu, Oct 23 from Las Vegas to St. Thomas, returning Tue, Oct 28, priced at $473 found 5 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 $198 - $726 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 Cyril E. King STT. Cheapest option available. Flights from $571
STT
Cyril E. King
Cheapest
Flights from $571
Flights from Las Vegas (LAS) to St. Thomas (STT)
Origin airport
Harry Reid Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, JetBlue Airways, Spirit Airlines, United
Roundtrip price
$298
Distance
3276 mi

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 September. 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 $163 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.

 

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 $163 or cheap return flight from $299 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 September, 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.

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*Available to One Key members.