$150 Cheap Flights from Buffalo (BUF) to St. Thomas (STT)

View $150 flight on Sat, Nov 15, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $150 for one-way flights and $309 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Feb 24 - Wed, Mar 4
BUF
Buffalo
STT
St. Thomas
$309 Roundtrip, found 1 hour ago
$309
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Feb 24 from Buffalo to St. Thomas, returning Wed, Mar 4, priced at $309 found 1 hour ago
American Airlines
Tue, Dec 9 - Tue, Dec 16
BUF
Buffalo
STT
St. Thomas
$315 Roundtrip, found 22 hours ago
$315
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Tue, Dec 9 from Buffalo to St. Thomas, returning Tue, Dec 16, priced at $315 found 22 hours ago
Delta
Mon, Feb 23 - Tue, Mar 3
BUF
Buffalo
STT
St. Thomas
$315 Roundtrip, found 1 hour ago
$315
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Feb 23 from Buffalo to St. Thomas, returning Tue, Mar 3, priced at $315 found 1 hour ago
American Airlines
Mon, Jan 19 - Thu, Jan 22
BUF
Buffalo
STT
St. Thomas
$318 Roundtrip, found 1 day ago
$318
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Jan 19 from Buffalo to St. Thomas, returning Thu, Jan 22, priced at $318 found 1 day ago
American Airlines
Tue, Jan 6 - Tue, Jan 13
BUF
Buffalo
STT
St. Thomas
$320 Roundtrip, found 1 day ago
$320
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jan 6 from Buffalo to St. Thomas, returning Tue, Jan 13, priced at $320 found 1 day ago
United
Thu, May 7 - Mon, May 11
BUF
Buffalo
STT
St. Thomas
$346 Roundtrip, found 6 days ago
$346
Roundtrip
found 6 days ago
Select United flight, departing Thu, May 7 from Buffalo to St. Thomas, returning Mon, May 11, priced at $346 found 6 days ago
JetBlue Airways
Tue, Mar 31 - Thu, Apr 2
BUF
Buffalo
STT
St. Thomas
$350 Roundtrip, found 6 hours ago
$350
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Tue, Mar 31 from Buffalo to St. Thomas, returning Thu, Apr 2, priced at $350 found 6 hours ago
JetBlue Airways
Wed, Feb 25 - Wed, Mar 4
BUF
Buffalo
STT
St. Thomas
$351 Roundtrip, found 1 hour ago
$351
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Wed, Feb 25 from Buffalo to St. Thomas, returning Wed, Mar 4, priced at $351 found 1 hour ago
United
Tue, Feb 24 - Wed, Mar 4
BUF
Buffalo
STT
St. Thomas
$354 Roundtrip, found 1 hour ago
$354
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Feb 24 from Buffalo to St. Thomas, returning Wed, Mar 4, priced at $354 found 1 hour ago
Southwest Airlines
Thu, Feb 19 - Thu, Feb 26
BUF
Buffalo
STT
St. Thomas
$545 Roundtrip, found 4 days ago
$545
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Thu, Feb 19 from Buffalo to St. Thomas, returning Thu, Feb 26, priced at $545 found 4 days ago

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

January is typically the cheapest month to fly

From $316 - $771 per traveler.

Alternative airports near St. Thomas

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

Select flight to Cyril E. King STT. Cheapest option available. Flights from $477
STT
Cyril E. King
Cheapest
Flights from $477

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Cyril E. King Airport (STT) cost?
Get a cheap one-way flight from $150 or cheap return flight from $309 from Buffalo Niagara Intl. Airport (BUF) 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 Buffalo Niagara Intl. Airport (BUF) to Cyril E. King Airport (STT)?
The cheapest month to fly from BUF to STT is February, when demand is low. Off-peak months are often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Cyril E. King Airport (STT)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest BUF to STT flight.
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.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$309
Distance
1880 mi

Book with confidence

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 February. 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 $150 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.

 

Buffalo to St. Thomas Flights

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*Available to One Key members.