$896 Cheap Flights from Sofia (SOF) to St. Thomas (STT)

View $896 flight on Tue, May 19, 2026Opens in a new window

Popular airlines from Sofia Airport (SOF) to Cyril E. King Airport (STT)

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Cheap Flights from Sofia to St. Thomas (SOF-STT)

Prices were available within the past 7 days and start at $896 for one-way flights and $1,796 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Sat, Aug 16 - Wed, Aug 20
SOF
Sofia
STT
St. Thomas
$1,796 Roundtrip, found 5 days ago
$1,796
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Sat, Aug 16 from Sofia to St. Thomas, returning Wed, Aug 20, priced at $1,796 found 5 days ago
Qatar Airways
Sat, Aug 16 - Wed, Aug 20
SOF
Sofia
STT
St. Thomas
$1,896 Roundtrip, found 5 days ago
$1,896
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Sat, Aug 16 from Sofia to St. Thomas, returning Wed, Aug 20, priced at $1,896 found 5 days ago
Qatar Airways
Sat, Aug 16 - Wed, Aug 20
SOF
Sofia
STT
St. Thomas
$1,951 Roundtrip, found 5 days ago
$1,951
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Sat, Aug 16 from Sofia to St. Thomas, returning Wed, Aug 20, priced at $1,951 found 5 days ago
Qatar Airways
Sat, Aug 16 - Wed, Aug 20
SOF
Sofia
STT
St. Thomas
$2,009 Roundtrip, found 5 days ago
$2,009
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Sat, Aug 16 from Sofia to St. Thomas, returning Wed, Aug 20, priced at $2,009 found 5 days ago
Qatar Airways
Sat, Aug 16 - Wed, Aug 20
SOF
Sofia
STT
St. Thomas
$2,051 Roundtrip, found 5 days ago
$2,051
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Sat, Aug 16 from Sofia to St. Thomas, returning Wed, Aug 20, priced at $2,051 found 5 days ago
Qatar Airways
Sat, Aug 16 - Wed, Aug 20
SOF
Sofia
STT
St. Thomas
$2,164 Roundtrip, found 5 days ago
$2,164
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Sat, Aug 16 from Sofia to St. Thomas, returning Wed, Aug 20, priced at $2,164 found 5 days ago
Qatar Airways
Sat, Aug 16 - Wed, Aug 20
SOF
Sofia
STT
St. Thomas
$2,237 Roundtrip, found 5 days ago
$2,237
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Sat, Aug 16 from Sofia to St. Thomas, returning Wed, Aug 20, priced at $2,237 found 5 days ago
Qatar Airways
Sat, Aug 16 - Wed, Aug 20
SOF
Sofia
STT
St. Thomas
$2,299 Roundtrip, found 5 days ago
$2,299
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Sat, Aug 16 from Sofia to St. Thomas, returning Wed, Aug 20, priced at $2,299 found 5 days ago
Qatar Airways
Sat, Aug 16 - Wed, Aug 20
SOF
Sofia
STT
St. Thomas
$2,302 Roundtrip, found 5 days ago
$2,302
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Sat, Aug 16 from Sofia to St. Thomas, returning Wed, Aug 20, priced at $2,302 found 5 days ago
Qatar Airways
Sat, Aug 16 - Wed, Aug 20
SOF
Sofia
STT
St. Thomas
$2,345 Roundtrip, found 5 days ago
$2,345
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Sat, Aug 16 from Sofia to St. Thomas, returning Wed, Aug 20, priced at $2,345 found 5 days ago
Qatar Airways
Sat, Aug 16 - Wed, Aug 20
SOF
Sofia
STT
St. Thomas
$2,360 Roundtrip, found 5 days ago
$2,360
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Sat, Aug 16 from Sofia to St. Thomas, returning Wed, Aug 20, priced at $2,360 found 5 days ago
Qatar Airways
Sat, Aug 16 - Wed, Aug 20
SOF
Sofia
STT
St. Thomas
$2,373 Roundtrip, found 5 days ago
$2,373
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Sat, Aug 16 from Sofia to St. Thomas, returning Wed, Aug 20, priced at $2,373 found 5 days ago
Qatar Airways
Sat, Aug 16 - Wed, Aug 20
SOF
Sofia
STT
St. Thomas
$2,416 Roundtrip, found 5 days ago
$2,416
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Sat, Aug 16 from Sofia to St. Thomas, returning Wed, Aug 20, priced at $2,416 found 5 days ago
Flights from Sofia (SOF) to St. Thomas (STT)
Origin airport
Sofia
Destination airport
Cyril E. King
Roundtrip price
$1,795
Distance
5286 mi

Sofia to St. Thomas Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Sofia 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 Sofia 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 Sofia to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $896 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 Sofia 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 Sofia 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.

 

Frequently asked questions

How much does a flight from Sofia Airport (SOF) to Cyril E. King Airport (STT) cost?
Discover the latest flight deals from SOF to STT by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SOF to STT?
The cheapest flights from SOF to STT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SOF to STT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SOF to STT. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Sofia Airport (SOF) to Cyril E. King Airport (STT)?
Nonstop flights from Sofia Airport (SOF) to Cyril E. King Airport (STT) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SOF to STT?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sofia Airport (SOF) to Cyril E. King Airport (STT)?
Select a flight from Sofia Airport (SOF) to Cyril E. King Airport (STT) that takes off before 3 PM to reduce the likelihood of delays and cancellations. 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 Sofia Airport (SOF) to Cyril E. King Airport (STT) last-minute?
Waiting until just before your trip to book your flight from SOF to STT generally means paying more. While you may come across some last-minute offers, there's no guarantee. Allow some flexibility in your schedule for a better chance of getting a bargain.
Is it cheaper to book a SOF to STT flight and hotel package?
Compared with arranging hotels and flights separately, booking a SOF to STT flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the stress out of travel planning. Simply secure your flights and select from our extensive range of hotels, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Cyril E. King Airport (STT)?
In most cases, you can reschedule or cancel your SOF to STT flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like further information, go to our Customer Service portal.

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*Available to One Key members.