$233 Cheap Flights from St. Thomas (STT) to Denver (DEN)

View $233 flight on Mon, Mar 23, 2026Opens in a new window

Popular airlines from Cyril E. King Airport (STT) to Denver Intl. Airport (DEN)

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

Prices were available within the past 7 days and start at $233 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
Mon, Mar 2 - Mon, Mar 9
STT
St. Thomas
DEN
Denver
$441 Roundtrip, found 4 days ago
$441
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Mon, Mar 2 from St. Thomas to Denver, returning Mon, Mar 9, priced at $441 found 4 days ago
JetBlue Airways
Sat, Mar 7 - Mon, Mar 9
STT
St. Thomas
DEN
Denver
$451 Roundtrip, found 4 days ago
$451
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Sat, Mar 7 from St. Thomas to Denver, returning Mon, Mar 9, priced at $451 found 4 days ago
JetBlue Airways
Thu, Mar 5 - Mon, Mar 9
STT
St. Thomas
DEN
Denver
$469 Roundtrip, found 1 day ago
$469
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Thu, Mar 5 from St. Thomas to Denver, returning Mon, Mar 9, priced at $469 found 1 day ago
JetBlue Airways
Wed, Dec 17 - Tue, Dec 30
STT
St. Thomas
DEN
Denver
$482 Roundtrip, found 1 day ago
$482
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Wed, Dec 17 from St. Thomas to Denver, returning Tue, Dec 30, priced at $482 found 1 day ago
JetBlue Airways
Sun, Mar 8 - Tue, Mar 10
STT
St. Thomas
DEN
Denver
$505 Roundtrip, found 4 days ago
$505
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Sun, Mar 8 from St. Thomas to Denver, returning Tue, Mar 10, priced at $505 found 4 days ago
Southwest Airlines
Thu, Mar 5 - Mon, Mar 9
STT
St. Thomas
DEN
Denver
$510 Roundtrip, found 1 day ago
$510
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Thu, Mar 5 from St. Thomas to Denver, returning Mon, Mar 9, priced at $510 found 1 day ago
JetBlue Airways
Mon, Mar 2 - Sun, Mar 8
STT
St. Thomas
DEN
Denver
$516 Roundtrip, found 4 days ago
$516
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Mon, Mar 2 from St. Thomas to Denver, returning Sun, Mar 8, priced at $516 found 4 days ago
Delta
Tue, Jan 27 - Tue, Mar 10
STT
St. Thomas
DEN
Denver
$575 Roundtrip, found 3 days ago
$575
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jan 27 from St. Thomas to Denver, returning Tue, Mar 10, priced at $575 found 3 days ago
American Airlines
Thu, Jan 8 - Thu, Jan 15
STT
St. Thomas
DEN
Denver
$609 Roundtrip, found 2 days ago
$609
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Jan 8 from St. Thomas to Denver, returning Thu, Jan 15, priced at $609 found 2 days ago
United
Mon, Dec 22 - Mon, Dec 29
STT
St. Thomas
DEN
Denver
$609 Roundtrip, found 8 hours ago
$609
Roundtrip
found 8 hours ago
Select United flight, departing Mon, Dec 22 from St. Thomas to Denver, returning Mon, Dec 29, priced at $609 found 8 hours ago

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

November is typically the cheapest month to fly

From $432 - $1,138 per traveler.

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $1,078
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $1,078

Frequently asked questions

How much does a flight from Cyril E. King Airport (STT) to Denver Intl. Airport (DEN) cost?
Get a cheap one-way flight from $233 or cheap return flight from $441 from Cyril E. King Airport (STT) to Denver Intl. Airport (DEN) 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 Cyril E. King Airport (STT) to Denver Intl. Airport (DEN)?
Planning your getaway for March is a good way to save, as it's the cheapest month for flights between STT and DEN. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Cyril E. King Airport (STT) to Denver Intl. Airport (DEN)?
To find the cheapest airline that'll fly you from STT to DEN, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Cyril E. King Airport (STT) to Denver Intl. Airport (DEN)?
Direct flights from Cyril E. King Airport (STT) to Denver Intl. Airport (DEN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STT to DEN?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cyril E. King Airport (STT) to Denver Intl. Airport (DEN)?
To avoid potential delays on the Cyril E. King Airport (STT) to Denver Intl. Airport (DEN) route, aim to 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.
Is it cheaper to buy a plane ticket from Cyril E. King Airport (STT) to Denver Intl. Airport (DEN) last-minute?
Waiting until right before your break to book a ticket from STT to DEN generally means paying more. While you may find some last-minute discounts, they aren't always guaranteed. Allow some flexibility in your schedule to maximize your chances of snagging a bargain.
Is it cheaper to book a STT to DEN flight and hotel package?
Opting for a STT to DEN flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our impressive 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 Cyril E. King Airport (STT) to Denver Intl. Airport (DEN)?
In most instances, you're able to cancel or reschedule your STT to DEN flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, visit our Customer Service portal.

Travel information

Travel information

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

Book with confidence

Book with confidence

St. Thomas to Denver Flights

The cheapest times to fly from St. Thomas to Denver

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

 

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

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

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 Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $233 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 Denver 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 Denver 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.

 

St. Thomas to Denver Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.