$952 Cheap Flights from Seoul (ICN) to St. Thomas (STT)

View $952 flight on Tue, Nov 25, 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Cyril E. King Airport (STT)

Cheap Flights from Seoul to St. Thomas (ICN-STT)

Prices were available within the past 7 days and start at $952 for one-way flights and $4,098 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Sat, Nov 29 - Sat, Dec 20
ICN
Seoul
STT
St. Thomas
$4,098 Roundtrip, found 4 days ago
$4,098
Roundtrip
found 4 days ago
Select Korean Air flight, departing Sat, Nov 29 from Seoul to St. Thomas, returning Sat, Dec 20, priced at $4,098 found 4 days ago
Korean Air
Sat, Nov 29 - Sat, Dec 20
ICN
Seoul
STT
St. Thomas
$4,103 Roundtrip, found 4 days ago
$4,103
Roundtrip
found 4 days ago
Select Korean Air flight, departing Sat, Nov 29 from Seoul to St. Thomas, returning Sat, Dec 20, priced at $4,103 found 4 days ago
Korean Air
Sat, Nov 29 - Sat, Dec 20
ICN
Seoul
STT
St. Thomas
$4,108 Roundtrip, found 4 days ago
$4,108
Roundtrip
found 4 days ago
Select Korean Air flight, departing Sat, Nov 29 from Seoul to St. Thomas, returning Sat, Dec 20, priced at $4,108 found 4 days ago
Korean Air
Sat, Nov 29 - Sat, Dec 20
ICN
Seoul
STT
St. Thomas
$4,144 Roundtrip, found 4 days ago
$4,144
Roundtrip
found 4 days ago
Select Korean Air flight, departing Sat, Nov 29 from Seoul to St. Thomas, returning Sat, Dec 20, priced at $4,144 found 4 days ago
Korean Air
Sat, Nov 29 - Sat, Dec 20
ICN
Seoul
STT
St. Thomas
$4,148 Roundtrip, found 4 days ago
$4,148
Roundtrip
found 4 days ago
Select Korean Air flight, departing Sat, Nov 29 from Seoul to St. Thomas, returning Sat, Dec 20, priced at $4,148 found 4 days ago

Frequently asked questions

How much does a flight from Incheon Intl. Airport (ICN) to Cyril E. King Airport (STT) cost?
Snag a cheap one-way flight from $952 or cheap return flight from $4,098 from Incheon Intl. Airport (ICN) to Cyril E. King Airport (STT) 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 Incheon Intl. Airport (ICN) to Cyril E. King Airport (STT)?
The cheapest month to fly from ICN to STT is November, when demand is low. Off-peak months are usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to Cyril E. King Airport (STT)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ICN to STT. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Incheon Intl. Airport (ICN) to Cyril E. King Airport (STT)?
You'll need to take a flight with a layover if you're traveling from Incheon Intl. Airport (ICN) to Cyril E. King Airport (STT). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from ICN to STT?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Incheon Intl. Airport (ICN) to Cyril E. King Airport (STT)?
Book a flight from Incheon Intl. Airport (ICN) to Cyril E. King Airport (STT) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this are on average 22% more likely to be canceled.**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 Incheon Intl. Airport (ICN) to Cyril E. King Airport (STT) last-minute?
Booking your ticket from ICN to STT shortly before your getaway is typically more expensive. However, if you're flexible with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an ICN to STT flight and hotel package?
Securing an ICN to STT flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our extensive range of hotels and then add flights, car rentals and activities 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 Incheon Intl. Airport (ICN) to Cyril E. King Airport (STT)?
Generally, it's possible to reschedule or cancel your ICN to STT flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Incheon Intl.
Destination airport
Cyril E. King
Roundtrip price
$4,097
Distance
8510 mi

Book with confidence

Seoul to St. Thomas Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Seoul 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 Seoul 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 Seoul to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $952 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 Seoul 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 Seoul 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.

 

Seoul to St. Thomas Flights

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*Available to One Key members.