$137 Cheap Flights from Las Vegas (LAS) to St. Thomas (STT)

View $137 flight on Sat, May 10, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $137 for one-way flights and $314 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sat, May 10 - Fri, May 16
LAS
Las Vegas
STT
St. Thomas
$314 Roundtrip, found 3 hours ago
$314
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Sat, May 10 from Las Vegas to St. Thomas, returning Fri, May 16, priced at $314 found 3 hours ago
Spirit Airlines
Sat, May 10 - Sat, May 17
LAS
Las Vegas
STT
St. Thomas
$320 Roundtrip, found 12 hours ago
$320
Roundtrip
found 12 hours ago
Select Spirit Airlines flight, departing Sat, May 10 from Las Vegas to St. Thomas, returning Sat, May 17, priced at $320 found 12 hours ago
Spirit Airlines
Wed, May 28 - Tue, Jun 3
LAS
Las Vegas
STT
St. Thomas
$322 Roundtrip, found 2 hours ago
$322
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Wed, May 28 from Las Vegas to St. Thomas, returning Tue, Jun 3, priced at $322 found 2 hours ago
Spirit Airlines
Sun, May 25 - Tue, Jun 3
LAS
Las Vegas
STT
St. Thomas
$327 Roundtrip, found 1 hour ago
$327
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Sun, May 25 from Las Vegas to St. Thomas, returning Tue, Jun 3, priced at $327 found 1 hour ago
Spirit Airlines
Sat, May 10 - Sat, May 17
LAS
Las Vegas
STT
St. Thomas
$329 Roundtrip, found 12 hours ago
$329
Roundtrip
found 12 hours ago
Select Spirit Airlines flight, departing Sat, May 10 from Las Vegas to St. Thomas, returning Sat, May 17, priced at $329 found 12 hours ago
Spirit Airlines
Fri, May 2 - Sat, May 10
LAS
Las Vegas
STT
St. Thomas
$330 Roundtrip, found 1 day ago
$330
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Fri, May 2 from Las Vegas to St. Thomas, returning Sat, May 10, priced at $330 found 1 day ago
American Airlines
Thu, May 8 - Thu, May 15
LAS
Las Vegas
STT
St. Thomas
$383 Roundtrip, found 13 hours ago
$383
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, May 8 from Las Vegas to St. Thomas, returning Thu, May 15, priced at $383 found 13 hours ago
Delta
Sat, Aug 23 - Sat, Aug 30
LAS
Las Vegas
STT
St. Thomas
$383 Roundtrip, just found
$383
Roundtrip
just found
Select Delta flight, departing Sat, Aug 23 from Las Vegas to St. Thomas, returning Sat, Aug 30, priced at $383 just found
United
Wed, Dec 3 - Wed, Dec 10
LAS
Las Vegas
STT
St. Thomas
$383 Roundtrip, found 9 hours ago
$383
Roundtrip
found 9 hours ago
Select United flight, departing Wed, Dec 3 from Las Vegas to St. Thomas, returning Wed, Dec 10, priced at $383 found 9 hours ago
JetBlue Airways
Wed, May 28 - Tue, Jun 10
LAS
Las Vegas
STT
St. Thomas
$471 Roundtrip, found 4 hours ago
$471
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Wed, May 28 from Las Vegas to St. Thomas, returning Tue, Jun 10, priced at $471 found 4 hours ago
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
$313
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 May. 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 $137 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?
Discover the latest flight deals from LAS to STT by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from LAS to STT?
The cheapest flights from LAS 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.
What is the cheapest airline that flies from LAS to STT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from LAS to STT. Sort your results by “Price (lowest to highest)” to snap up a great deal.
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.

Explore a world of travel with Expedia

*Available to One Key members.