S$308 Cheap Flights from Seattle to St. Thomas

View S$308 flight on Fri, 23 Jan, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Cyril E. King Airport (STT)

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Cheap Flights from Seattle to St. Thomas (SEA-STT)

Prices were available within the past 7 days and start at S$308 for one-way flights and S$678 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 23 Jan - Fri, 30 Jan
SEA
Seattle
STT
St. Thomas
S$678 Return, found 22 hours ago
S$678
Return
found 22 hours ago
Select Delta flight, departing Fri, 23 Jan from Seattle to St. Thomas, returning Fri, 30 Jan, priced at S$678 found 22 hours ago
American Airlines
Thu, 19 Feb - Thu, 26 Feb
SEA
Seattle
STT
St. Thomas
S$691 Return, found 1 day ago
S$691
Return
found 1 day ago
Select American Airlines flight, departing Thu, 19 Feb from Seattle to St. Thomas, returning Thu, 26 Feb, priced at S$691 found 1 day ago
Delta
Fri, 23 Jan - Fri, 30 Jan
SEA
Seattle
STT
St. Thomas
S$698 Return, found 22 hours ago
S$698
Return
found 22 hours ago
Select Delta flight, departing Fri, 23 Jan from Seattle to St. Thomas, returning Fri, 30 Jan, priced at S$698 found 22 hours ago
United
Fri, 23 Jan - Fri, 30 Jan
SEA
Seattle
STT
St. Thomas
S$736 Return, found 22 hours ago
S$736
Return
found 22 hours ago
Select United flight, departing Fri, 23 Jan from Seattle to St. Thomas, returning Fri, 30 Jan, priced at S$736 found 22 hours ago
Delta
Fri, 23 Jan - Fri, 30 Jan
SEA
Seattle
STT
St. Thomas
S$737 Return, found 22 hours ago
S$737
Return
found 22 hours ago
Select Delta flight, departing Fri, 23 Jan from Seattle to St. Thomas, returning Fri, 30 Jan, priced at S$737 found 22 hours ago
Delta
Thu, 19 Feb - Thu, 26 Feb
SEA
Seattle
STT
St. Thomas
S$740 Return, found 1 day ago
S$740
Return
found 1 day ago
Select Delta flight, departing Thu, 19 Feb from Seattle to St. Thomas, returning Thu, 26 Feb, priced at S$740 found 1 day ago
Delta
Fri, 23 Jan - Fri, 30 Jan
SEA
Seattle
STT
St. Thomas
S$745 Return, found 22 hours ago
S$745
Return
found 22 hours ago
Select Delta flight, departing Fri, 23 Jan from Seattle to St. Thomas, returning Fri, 30 Jan, priced at S$745 found 22 hours ago
American Airlines
Fri, 23 Jan - Fri, 30 Jan
SEA
Seattle
STT
St. Thomas
S$749 Return, found 22 hours ago
S$749
Return
found 22 hours ago
Select American Airlines flight, departing Fri, 23 Jan from Seattle to St. Thomas, returning Fri, 30 Jan, priced at S$749 found 22 hours ago
American Airlines
Thu, 19 Feb - Thu, 26 Feb
SEA
Seattle
STT
St. Thomas
S$750 Return, found 1 day ago
S$750
Return
found 1 day ago
Select American Airlines flight, departing Thu, 19 Feb from Seattle to St. Thomas, returning Thu, 26 Feb, priced at S$750 found 1 day ago
Delta
Fri, 23 Jan - Fri, 30 Jan
SEA
Seattle
STT
St. Thomas
S$756 Return, found 22 hours ago
S$756
Return
found 22 hours ago
Select Delta flight, departing Fri, 23 Jan from Seattle to St. Thomas, returning Fri, 30 Jan, priced at S$756 found 22 hours ago

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Find the cheapest month to fly from Seattle (SEA) to St. Thomas (STT)

March is typically the cheapest month to fly

From S$342 - S$1,041 per traveller.
Seattle to St. Thomas route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, United
Return price
S$677
Distance
6043 km

Perfect flights from Seattle to St. Thomas

Your Journey from Seattle to St. Thomas

Start your unforgettable journey with Expedia. Our broad selection of flights from Seattle 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, American Airlines. Our selection of flights from Seattle - Tacoma 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 Seattle to St. Thomas Flights

Experience the joy of finding cheap flights from Seattle - Tacoma 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$308 and roundtrip prices from S$678*.
 

Pre-Flight Essentials

Ensure a smooth journey from Seattle 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 Seattle 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 Seattle 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 Seattle 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 Seattle 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 Sea-Tac Airport to Cyril E. King Airport?
Round-trip tickets between SEA and Cyril E. King Airport (STT) start from S$678. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to Cyril E. King Airport (STT)?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from Sea-Tac Airport to 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 SEA 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 SEA to Cyril E. King Airport (STT)?
You'll have 6,100 kilometres to cover on the long-haul SeaTac to St. Thomas route. Dress in comfy clothes and consider taking some noise-cancelling headphones and a sleep mask.
Which airlines fly direct from SEA to Cyril E. King Airport (STT)?
At the moment, no airlines offer direct flights from Seattle - Tacoma Intl. Airport (SEA) to STT. You'll need to book a flight with at least one stop. To score the best price and connections, lock in your airfare well in advance.
Are Seattle - Tacoma Intl. Airport (SEA) to Cyril E. King Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Sea-Tac Airport to STT can be hit-or-miss. You may be able to score a great bargain, but then again, you could miss out altogether! If you'd rather play it safe and start planning your trip ahead of time, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines list their prices so far in advance. Our top tip? Check back often as prices are updated frequently.

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*Available to Expedia members.