$191 Cheap Flights from Buffalo (BUF) to St. Thomas (STT)

View $191 flight on Sat, Dec 13, 2025Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Cyril E. King Airport (STT)

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Cheap Flights from Buffalo to St. Thomas (BUF-STT)

Prices were available within the past 7 days and start at $191 for one-way flights and $303 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Sat, Dec 13 - Thu, Dec 25
BUF
Buffalo
STT
St. Thomas
$303 Roundtrip, found 2 days ago
$303
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Sat, Dec 13 from Buffalo to St. Thomas, returning Thu, Dec 25, priced at $303 found 2 days ago
JetBlue Airways
Mon, Dec 8 - Thu, Dec 25
BUF
Buffalo
STT
St. Thomas
$353 Roundtrip, found 2 days ago
$353
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Mon, Dec 8 from Buffalo to St. Thomas, returning Thu, Dec 25, priced at $353 found 2 days ago
JetBlue Airways
Sat, Oct 4 - Sat, Oct 11
BUF
Buffalo
STT
St. Thomas
$380 Roundtrip, found 5 days ago
$380
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Sat, Oct 4 from Buffalo to St. Thomas, returning Sat, Oct 11, priced at $380 found 5 days ago
JetBlue Airways
Sat, Dec 13 - Wed, Dec 24
BUF
Buffalo
STT
St. Thomas
$381 Roundtrip, found 2 days ago
$381
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Sat, Dec 13 from Buffalo to St. Thomas, returning Wed, Dec 24, priced at $381 found 2 days ago
JetBlue Airways
Sat, Dec 6 - Thu, Dec 18
BUF
Buffalo
STT
St. Thomas
$394 Roundtrip, found 2 days ago
$394
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Sat, Dec 6 from Buffalo to St. Thomas, returning Thu, Dec 18, priced at $394 found 2 days ago
JetBlue Airways
Tue, Jan 6 - Sun, Jan 11
BUF
Buffalo
STT
St. Thomas
$403 Roundtrip, found 1 day ago
$403
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Tue, Jan 6 from Buffalo to St. Thomas, returning Sun, Jan 11, priced at $403 found 1 day ago
JetBlue Airways
Thu, Jan 22 - Tue, Feb 3
BUF
Buffalo
STT
St. Thomas
$413 Roundtrip, found 2 days ago
$413
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Thu, Jan 22 from Buffalo to St. Thomas, returning Tue, Feb 3, priced at $413 found 2 days ago
American Airlines
Thu, Sep 11 - Mon, Sep 15
BUF
Buffalo
STT
St. Thomas
$459 Roundtrip, found 5 hours ago
$459
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Sep 11 from Buffalo to St. Thomas, returning Mon, Sep 15, priced at $459 found 5 hours ago
Delta
Mon, Sep 22 - Mon, Sep 29
BUF
Buffalo
STT
St. Thomas
$459 Roundtrip, found 14 hours ago
$459
Roundtrip
found 14 hours ago
Select Delta flight, departing Mon, Sep 22 from Buffalo to St. Thomas, returning Mon, Sep 29, priced at $459 found 14 hours ago
United
Tue, Mar 10 - Tue, Mar 17
BUF
Buffalo
STT
St. Thomas
$459 Roundtrip, found 1 day ago
$459
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 10 from Buffalo to St. Thomas, returning Tue, Mar 17, priced at $459 found 1 day ago

Find the cheapest month to fly from Buffalo (BUF) to St. Thomas (STT)

September is typically the cheapest month to fly

From $299 - $603 per traveler.

Graph displaying average flight prices per month

Alternative airports near St. Thomas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Terrance B. Lettsome Intl. EIS. Flights from $923
EIS
Terrance B. Lettsome Intl.
Flights from $923
Flights from Buffalo (BUF) to St. Thomas (STT)
Origin airport
Buffalo Niagara Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$303
Distance
1880 mi

Buffalo to St. Thomas Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Buffalo 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 Buffalo 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 Buffalo to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $191 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 Buffalo 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 Buffalo 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 Buffalo Niagara Intl. Airport (BUF) to Cyril E. King Airport (STT) cost?
Discover the latest flight deals from BUF 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 BUF to STT?
The cheapest flights from BUF 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 BUF to STT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BUF to STT. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Cyril E. King Airport (STT)?
You'll have to hop on a flight with a layover when traveling from Buffalo Niagara Intl. Airport (BUF) to Cyril E. King Airport (STT). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from BUF to STT?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Cyril E. King Airport (STT)?
Choose a flight from Buffalo Niagara Intl. Airport (BUF) to Cyril E. King Airport (STT) that takes off before 3 PM to reduce the risk of cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Buffalo Niagara Intl. Airport (BUF) to Cyril E. King Airport (STT) last-minute?
Holding off until right before your break to book a flight from BUF to STT often results in higher prices. Although you may find some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary to maximize your chances of scoring a bargain.
Is it cheaper to book a BUF to STT flight and hotel package?
Securing a BUF to STT flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our impressive range of stays 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 Buffalo Niagara Intl. Airport (BUF) to Cyril E. King Airport (STT)?
It's usually possible to cancel or reschedule your BUF to STT flight. However, for bookings made more than 24 hours ago, additional charges 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.

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St. Thomas nearby Airports

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*Available to One Key members.