S$350 Cheap Flights from Washington to St. Thomas

View S$350 flight on Sun, 24 Aug, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Cyril E. King Airport (STT)

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Cheap Flights from Washington to St. Thomas (IAD-STT)

Prices were available within the past 7 days and start at S$350 for one-way flights and S$761 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
STT
St. Thomas
S$761 Return, found 5 days ago
S$761
Return
found 5 days ago
Select Delta flight, departing Sun, 24 Aug from Washington to St. Thomas, returning Sun, 31 Aug, priced at S$761 found 5 days ago
United
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
STT
St. Thomas
S$843 Return, found 5 days ago
S$843
Return
found 5 days ago
Select United flight, departing Sun, 24 Aug from Washington to St. Thomas, returning Sun, 31 Aug, priced at S$843 found 5 days ago
United
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
STT
St. Thomas
S$918 Return, found 5 days ago
S$918
Return
found 5 days ago
Select United flight, departing Sun, 24 Aug from Washington to St. Thomas, returning Sun, 31 Aug, priced at S$918 found 5 days ago
Delta
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
STT
St. Thomas
S$939 Return, found 5 days ago
S$939
Return
found 5 days ago
Select Delta flight, departing Sun, 24 Aug from Washington to St. Thomas, returning Sun, 31 Aug, priced at S$939 found 5 days ago
United
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
STT
St. Thomas
S$1,054 Return, found 5 days ago
S$1,054
Return
found 5 days ago
Select United flight, departing Sun, 24 Aug from Washington to St. Thomas, returning Sun, 31 Aug, priced at S$1,054 found 5 days ago
Delta
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
STT
St. Thomas
S$1,065 Return, found 5 days ago
S$1,065
Return
found 5 days ago
Select Delta flight, departing Sun, 24 Aug from Washington to St. Thomas, returning Sun, 31 Aug, priced at S$1,065 found 5 days ago
United
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
STT
St. Thomas
S$1,097 Return, found 5 days ago
S$1,097
Return
found 5 days ago
Select United flight, departing Sun, 24 Aug from Washington to St. Thomas, returning Sun, 31 Aug, priced at S$1,097 found 5 days ago
United
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
STT
St. Thomas
S$1,129 Return, found 5 days ago
S$1,129
Return
found 5 days ago
Select United flight, departing Sun, 24 Aug from Washington to St. Thomas, returning Sun, 31 Aug, priced at S$1,129 found 5 days ago
United
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
STT
St. Thomas
S$1,138 Return, found 5 days ago
S$1,138
Return
found 5 days ago
Select United flight, departing Sun, 24 Aug from Washington to St. Thomas, returning Sun, 31 Aug, priced at S$1,138 found 5 days ago
United
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
STT
St. Thomas
S$1,145 Return, found 5 days ago
S$1,145
Return
found 5 days ago
Select United flight, departing Sun, 24 Aug from Washington to St. Thomas, returning Sun, 31 Aug, priced at S$1,145 found 5 days ago
United
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
STT
St. Thomas
S$1,190 Return, found 5 days ago
S$1,190
Return
found 5 days ago
Select United flight, departing Sun, 24 Aug from Washington to St. Thomas, returning Sun, 31 Aug, priced at S$1,190 found 5 days ago
United
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
STT
St. Thomas
S$1,308 Return, found 5 days ago
S$1,308
Return
found 5 days ago
Select United flight, departing Sun, 24 Aug from Washington to St. Thomas, returning Sun, 31 Aug, priced at S$1,308 found 5 days ago
United
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
STT
St. Thomas
S$1,356 Return, found 5 days ago
S$1,356
Return
found 5 days ago
Select United flight, departing Sun, 24 Aug from Washington to St. Thomas, returning Sun, 31 Aug, priced at S$1,356 found 5 days ago
United
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
STT
St. Thomas
S$1,401 Return, found 5 days ago
S$1,401
Return
found 5 days ago
Select United flight, departing Sun, 24 Aug from Washington to St. Thomas, returning Sun, 31 Aug, priced at S$1,401 found 5 days ago

Find the cheapest month to fly from Washington (IAD) to St. Thomas (STT)

October is typically the cheapest month to fly

From S$548 - S$881 per traveller.

Graph displaying average flight prices per month

Washington to St. Thomas route information
Origin airport
Washington Dulles Intl.
Destination airport
Cyril E. King
Return price
S$761
Distance
2574 km
Average flight time
3 hours 2 mins

Perfect flights from Washington to St. Thomas

Your Journey from Washington to St. Thomas

Start your unforgettable journey with Expedia. Our broad selection of flights from Washington to St. Thomas caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, United. Our selection of flights from Washington Dulles Intl. to Cyril E. King caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Washington to St. Thomas Flights

Experience the joy of finding cheap flights from Washington Dulles Intl. to Cyril E. King that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$350 and roundtrip prices from S$761*.
 

Pre-Flight Essentials

Ensure a smooth journey from Washington to St. Thomas with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant St. Thomas

Picture yourself stepping off the plane in St. Thomas and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Washington to St. Thomas Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Washington to St. Thomas.
 

Beyond the Flight – Exploring St. Thomas

With Expedia, your adventure extends beyond the flight. Explore St. Thomas at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Washington to St. Thomas with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Washington to St. Thomas with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Dulles Intl. Airport to Cyril E. King Airport (STT)?
The lowest price advertised for a round-trip flight from Dulles Intl. Airport to STT is S$761. But you better get moving. This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dulles Intl. Airport to Cyril E. King Airport (STT)?
Most flights can be conveniently cancelled online, but whether you are charged a fee differs between airlines. If you do have to cancel your getaway, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Dulles Intl. Airport to Cyril E. King Airport (STT) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for IAD to Cyril E. King Airport (STT) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Dulles Intl. Airport to Cyril E. King Airport (STT)?
It's around 2,600 kilometres from Chantilly to St. Thomas, so expect to be up in the air for a while. Keep yourself entertained by packing things like playing cards (if you're travelling with friends) or the latest bestseller.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Cyril E. King Airport?
Check out the deals on offer with United Airlines (UA) if you want to travel straight from Dulles Intl. Airport to Cyril E. King Airport. This carrier operates 30 monthly flights, so you're sure to find one that fits your schedule.
Are Washington Dulles Intl. Airport (IAD) to Cyril E. King Airport (STT) flight tickets cheaper when they're purchased at the last minute?
Airline tickets from IAD to Cyril E. King Airport (STT) are available up to 12 months prior to departure on Expedia. And although you may score a fantastic last-minute deal, it's not something you should count on. Also, booking your flights ahead of time means you'll have more options --- and you can avoid ending up with the dreaded middle seat! We're constantly updating our fares to bring you the best bargains, so keep checking in for all the latest specials.

Explore a world of travel with Expedia

St. Thomas Airports

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*Available to Expedia members.