$213 Cheap Flights from Des Moines (DSM) to St. Thomas (STT)

View $213 flight on Wed, Apr 29, 2026Opens in a new window

Popular airlines from Des Moines International Airport (DSM) to Cyril E. King Airport (STT)

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Cheap Flights from Des Moines to St. Thomas (DSM-STT)

Prices were available within the past 7 days and start at $213 for one-way flights and $429 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Mar 28 - Tue, Mar 31
DSM
Des Moines
STT
St. Thomas
$429 Roundtrip, found 3 days ago
$429
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Mar 28 from Des Moines to St. Thomas, returning Tue, Mar 31, priced at $429 found 3 days ago
Delta
Tue, Mar 24 - Tue, Mar 31
DSM
Des Moines
STT
St. Thomas
$440 Roundtrip, just found
$440
Roundtrip
just found
Select Delta flight, departing Tue, Mar 24 from Des Moines to St. Thomas, returning Tue, Mar 31, priced at $440 just found
American Airlines
Tue, Mar 24 - Tue, Mar 31
DSM
Des Moines
STT
St. Thomas
$440 Roundtrip, just found
$440
Roundtrip
just found
Select American Airlines flight, departing Tue, Mar 24 from Des Moines to St. Thomas, returning Tue, Mar 31, priced at $440 just found
American Airlines
Wed, Apr 8 - Wed, Apr 15
DSM
Des Moines
STT
St. Thomas
$445 Roundtrip, found 22 hours ago
$445
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Wed, Apr 8 from Des Moines to St. Thomas, returning Wed, Apr 15, priced at $445 found 22 hours ago
United
Thu, Apr 9 - Tue, Apr 14
DSM
Des Moines
STT
St. Thomas
$454 Roundtrip, found 7 hours ago
$454
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Apr 9 from Des Moines to St. Thomas, returning Tue, Apr 14, priced at $454 found 7 hours ago
American Airlines
Mon, Apr 27 - Thu, Apr 30
DSM
Des Moines
STT
St. Thomas
$460 Roundtrip, found 6 days ago
$460
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Apr 27 from Des Moines to St. Thomas, returning Thu, Apr 30, priced at $460 found 6 days ago
United
Thu, Apr 9 - Tue, Apr 14
DSM
Des Moines
STT
St. Thomas
$464 Roundtrip, found 7 hours ago
$464
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Apr 9 from Des Moines to St. Thomas, returning Tue, Apr 14, priced at $464 found 7 hours ago
American Airlines
Wed, Mar 18 - Tue, Mar 24
DSM
Des Moines
STT
St. Thomas
$470 Roundtrip, found 5 hours ago
$470
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Wed, Mar 18 from Des Moines to St. Thomas, returning Tue, Mar 24, priced at $470 found 5 hours ago
United
Mon, Apr 6 - Wed, Apr 15
DSM
Des Moines
STT
St. Thomas
$473 Roundtrip, found 2 days ago
$473
Roundtrip
found 2 days ago
Select United flight, departing Mon, Apr 6 from Des Moines to St. Thomas, returning Wed, Apr 15, priced at $473 found 2 days ago
Southwest Airlines
Fri, Apr 10 - Thu, Apr 16
DSM
Des Moines
STT
St. Thomas
$494 Roundtrip, found 23 hours ago
$494
Roundtrip
found 23 hours ago
Select Southwest Airlines flight, departing Fri, Apr 10 from Des Moines to St. Thomas, returning Thu, Apr 16, priced at $494 found 23 hours ago

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Alternative airports near St. Thomas

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

Select flight to Terrance B. Lettsome Intl. EIS. Flights from $1,121
EIS
Terrance B. Lettsome Intl.
Flights from $1,121

Frequently asked questions

How much does a flight from Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King) cost?
You can find cheap one-way flights from $213 and cheap return flights from $429 Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King) with Expedia. One-way flights typically cost between $240 and $1981, and return flights often range between $570 and $2996. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King)?
The cheapest month to fly from DSM to STT is March when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King)?
Enter DSM to STT and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King)?
Southwest Airlines is one of the cheapest airlines offering connecting flights from Des Moines Intl. (DSM) to Cyril E. King (STT) with a layover in Denver Intl. starting from around $528. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King)?
To find a cheap flight from Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King)?
The earliest flight from Des Moines, Iowa (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King) typically departs at 5:00 AM, operated by American Airlines. This seasonal service is available in March, allowing you to enjoy a full day in St. Thomas upon arrival. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King)?
Flying from DSM to STT with a connection usually takes about 7 hours 20 minutes, traveling roughly 2,328 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King)?
First class seats are offered on the DSM to STT route with Delta Air Lines and United Airlines.
How do I earn miles on a Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King) flight with Expedia?
It's easy to earn miles on a Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for St. Thomas from Des Moines Intl. (DSM)?
From Des Moines Intl. (DSM), you can fly into Cyril E. King (STT) to reach St. Thomas. Some flights may connect through major hubs like O'Hare Intl. (ORD), Dallas-Fort Worth Intl. (DFW), Denver Intl. (DEN) before reaching St. Thomas. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King) at the last minute?
Typically, booking a last minute flight from Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King) flight and hotel package?
Securing a Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King) St Thomas Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King)?
If you booked your Des Moines, IA (DSM-Des Moines Intl.) to St. Thomas (STT-Cyril E. King) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Des Moines Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$429
Distance
2328 mi

Book with confidence

Des Moines to St. Thomas Flights

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

 

The best time to book a flight from Des Moines to St. Thomas

Sunday is one of the best days to book for cheap flights from Des Moines 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 Des Moines 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 Des Moines to St. Thomas in 2026. You can also book with separate airlines for your outbound and return journeys, from $213 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 Des Moines 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 Des Moines 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.

 

Des Moines to St. Thomas Flights

*Flight schedules are subject to change.

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*Available to One Key members.