$229 Cheap Flights from Denver (DEN) to St. Thomas (STT)

View $229 flight on Mon, Mar 9, 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) 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

Cheap Flights from Denver to St. Thomas (DEN-STT)

Prices were available within the past 7 days and start at $229 for one-way flights and $441 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue, Mar 17 - Mon, Mar 23
DEN
Denver
STT
St. Thomas
$441 Roundtrip, found 2 hours ago
$441
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Tue, Mar 17 from Denver to St. Thomas, returning Mon, Mar 23, priced at $441 found 2 hours ago
JetBlue Airways
Thu, Oct 23 - Sat, Nov 8
DEN
Denver
STT
St. Thomas
$454 Roundtrip, found 4 days ago
$454
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Thu, Oct 23 from Denver to St. Thomas, returning Sat, Nov 8, priced at $454 found 4 days ago
JetBlue Airways
Mon, Mar 9 - Thu, Mar 12
DEN
Denver
STT
St. Thomas
$461 Roundtrip, found 12 hours ago
$461
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Mon, Mar 9 from Denver to St. Thomas, returning Thu, Mar 12, priced at $461 found 12 hours ago
JetBlue Airways
Fri, Oct 3 - Mon, Oct 6
DEN
Denver
STT
St. Thomas
$462 Roundtrip, found 1 day ago
$462
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Fri, Oct 3 from Denver to St. Thomas, returning Mon, Oct 6, priced at $462 found 1 day ago
JetBlue Airways
Sat, Jan 17 - Wed, Jan 21
DEN
Denver
STT
St. Thomas
$464 Roundtrip, found 5 days ago
$464
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Sat, Jan 17 from Denver to St. Thomas, returning Wed, Jan 21, priced at $464 found 5 days ago
JetBlue Airways
Sat, Jan 24 - Mon, Feb 2
DEN
Denver
STT
St. Thomas
$468 Roundtrip, found 5 days ago
$468
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Sat, Jan 24 from Denver to St. Thomas, returning Mon, Feb 2, priced at $468 found 5 days ago
American Airlines
Wed, Nov 19 - Wed, Dec 3
DEN
Denver
STT
St. Thomas
$609 Roundtrip, found 1 hour ago
$609
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Nov 19 from Denver to St. Thomas, returning Wed, Dec 3, priced at $609 found 1 hour ago
Delta
Wed, Apr 22 - Wed, Apr 29
DEN
Denver
STT
St. Thomas
$609 Roundtrip, found 13 hours ago
$609
Roundtrip
found 13 hours ago
Select Delta flight, departing Wed, Apr 22 from Denver to St. Thomas, returning Wed, Apr 29, priced at $609 found 13 hours ago
United
Wed, Oct 29 - Mon, Nov 3
DEN
Denver
STT
St. Thomas
$609 Roundtrip, found 2 hours ago
$609
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Oct 29 from Denver to St. Thomas, returning Mon, Nov 3, priced at $609 found 2 hours ago
Southwest Airlines
Tue, Feb 17 - Tue, Feb 24
DEN
Denver
STT
St. Thomas
$669 Roundtrip, found 17 hours ago
$669
Roundtrip
found 17 hours ago
Select Southwest Airlines flight, departing Tue, Feb 17 from Denver to St. Thomas, returning Tue, Feb 24, priced at $669 found 17 hours ago

Find the cheapest month to fly from Denver (DEN) to St. Thomas (STT)

October is typically the cheapest month to fly

From $418 - $775 per traveler.

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Cyril E. King Airport (STT) cost?
Get a cheap one-way flight from $229 or cheap return flight from $441 from Denver Intl. Airport (DEN) to Cyril E. King Airport (STT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Denver Intl. Airport (DEN) to Cyril E. King Airport (STT)?
Traveling in March is a good way to save, as it's the cheapest month for flights between DEN and STT. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Denver Intl. Airport (DEN) to Cyril E. King Airport (STT)?
To find the cheapest airline that'll fly you from DEN to STT, use Expedia's filter tool. Tailor 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 Denver Intl. Airport (DEN) to Cyril E. King Airport (STT)?
There are no daily nonstop flights departing from Denver Intl. Airport (DEN) to Cyril E. King Airport (STT). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from DEN to STT?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Denver Intl. Airport (DEN) to Cyril E. King Airport (STT)?
To avoid possible delays on the Denver Intl. Airport (DEN) to Cyril E. King Airport (STT) route, aim to fly before 3 PM. Departures after this hour 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.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Cyril E. King Airport (STT) last-minute?
Booking your plane ticket from DEN to STT right before your getaway is usually more expensive. However, if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a DEN to STT flight and hotel package?
Opting for a DEN to STT flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our extensive range of accommodations and then add activities, flights and car rentals 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 Denver Intl. Airport (DEN) to Cyril E. King Airport (STT)?
Generally, it's possible to reschedule or cancel your DEN to STT 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 possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Denver Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$441
Distance
2786 mi

Book with confidence

Book with confidence

Denver to St. Thomas Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Denver 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 Denver 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 Denver to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $229 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 Denver 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 Denver 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.

 

Denver to St. Thomas Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.