$503 Cheap Flights from Istanbul (IST) to St. Thomas (STT)

View $503 flight on Wed, Apr 22, 2026Opens in a new window

Popular airlines from Istanbul Airport (IST) to Cyril E. King Airport (STT)

Cheap Flights from Istanbul to St. Thomas (IST-STT)

Prices were available within the past 7 days and start at $503 for one-way flights and $790 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Dec 4 - Mon, Dec 29
IST
Istanbul
STT
St. Thomas
$790 Roundtrip, found 1 day ago
$790
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Dec 4 from Istanbul to St. Thomas, returning Mon, Dec 29, priced at $790 found 1 day ago
Delta
Thu, Dec 4 - Wed, Dec 31
IST
Istanbul
STT
St. Thomas
$823 Roundtrip, found 1 day ago
$823
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Dec 4 from Istanbul to St. Thomas, returning Wed, Dec 31, priced at $823 found 1 day ago
Delta
Thu, Dec 4 - Tue, Dec 30
IST
Istanbul
STT
St. Thomas
$873 Roundtrip, found 1 day ago
$873
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Dec 4 from Istanbul to St. Thomas, returning Tue, Dec 30, priced at $873 found 1 day ago
American Airlines
Fri, Dec 5 - Mon, Dec 29
IST
Istanbul
STT
St. Thomas
$940 Roundtrip, found 1 day ago
$940
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Dec 5 from Istanbul to St. Thomas, returning Mon, Dec 29, priced at $940 found 1 day ago
American Airlines
Tue, Dec 2 - Mon, Dec 29
IST
Istanbul
STT
St. Thomas
$975 Roundtrip, found 1 day ago
$975
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Dec 2 from Istanbul to St. Thomas, returning Mon, Dec 29, priced at $975 found 1 day ago
American Airlines
Wed, Dec 3 - Mon, Dec 29
IST
Istanbul
STT
St. Thomas
$986 Roundtrip, found 1 day ago
$986
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 3 from Istanbul to St. Thomas, returning Mon, Dec 29, priced at $986 found 1 day ago
Delta
Wed, Dec 3 - Wed, Dec 31
IST
Istanbul
STT
St. Thomas
$998 Roundtrip, found 1 day ago
$998
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Dec 3 from Istanbul to St. Thomas, returning Wed, Dec 31, priced at $998 found 1 day ago
British Airways
Wed, Dec 3 - Wed, Dec 31
IST
Istanbul
STT
St. Thomas
$1,048 Roundtrip, found 1 day ago
$1,048
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Dec 3 from Istanbul to St. Thomas, returning Wed, Dec 31, priced at $1,048 found 1 day ago
KLM
Wed, Dec 3 - Wed, Dec 31
IST
Istanbul
STT
St. Thomas
$1,104 Roundtrip, found 1 day ago
$1,104
Roundtrip
found 1 day ago
Select KLM flight, departing Wed, Dec 3 from Istanbul to St. Thomas, returning Wed, Dec 31, priced at $1,104 found 1 day ago
United
Wed, Dec 3 - Wed, Dec 31
IST
Istanbul
STT
St. Thomas
$1,773 Roundtrip, found 1 day ago
$1,773
Roundtrip
found 1 day ago
Select United flight, departing Wed, Dec 3 from Istanbul to St. Thomas, returning Wed, Dec 31, priced at $1,773 found 1 day ago

Frequently asked questions

How much does a flight from Istanbul (IST) to Cyril E. King Airport (STT) cost?
Grab a cheap one-way flight from $503 or cheap return flight from $790 from Istanbul (IST) to Cyril E. King Airport (STT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Istanbul (IST) to Cyril E. King Airport (STT)?
December is the cheapest month to fly from IST to STT. Traveling during quieter months is often the key to scoring lower fares.
What is the cheapest airline that flies from Istanbul (IST) to Cyril E. King Airport (STT)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from IST to STT. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Istanbul (IST) to Cyril E. King Airport (STT)?
Nonstop flights from Istanbul (IST) to Cyril E. King Airport (STT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IST to STT?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a number of factors, including the season 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 Istanbul (IST) to Cyril E. King Airport (STT)?
Select a flight from Istanbul (IST) to Cyril E. King Airport (STT) that leaves before 3 PM to reduce the likelihood of delays. Later departures 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 Istanbul (IST) to Cyril E. King Airport (STT) last-minute?
Last-minute bookings from IST to STT are generally more expensive. To lock in the lowest prices, start searching for flights well in advance. That said, if your travel plans are flexible, it's possible to find a cheap fare right before your journey.
Is it cheaper to book an IST to STT flight and hotel package?
Compared with arranging flights and hotels separately, booking an IST to STT flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place takes the hassle out of planning your trip. Simply secure your flights and choose from our wide range of hotels, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Istanbul (IST) to Cyril E. King Airport (STT)?
If you booked your IST to STT flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, 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 for more information.

Travel information

Travel information

Origin airport
Istanbul
Destination airport
Cyril E. King
Airlines serving
American Airlines, British Airways, Delta, United
Roundtrip price
$790
Distance
5577 mi

Book with confidence

Book with confidence

Istanbul to St. Thomas Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Istanbul 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 Istanbul 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 Istanbul to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $503 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 Istanbul 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 Istanbul 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.

 

Istanbul to St. Thomas Flights

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*Available to One Key members.