$195 Cheap Flights from St. Thomas (STT) to Buffalo (BUF)

View $195 flight on Wed, Dec 24, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $195 for one-way flights and $425 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Fri, Feb 6 - Wed, Feb 18
STT
St. Thomas
BUF
Buffalo
$425 Roundtrip, found 2 days ago
$425
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Fri, Feb 6 from St. Thomas to Buffalo, returning Wed, Feb 18, priced at $425 found 2 days ago
JetBlue Airways
Fri, Sep 12 - Mon, Sep 15
STT
St. Thomas
BUF
Buffalo
$426 Roundtrip, found 2 days ago
$426
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Fri, Sep 12 from St. Thomas to Buffalo, returning Mon, Sep 15, priced at $426 found 2 days ago
JetBlue Airways
Fri, Sep 19 - Thu, Sep 25
STT
St. Thomas
BUF
Buffalo
$429 Roundtrip, found 2 days ago
$429
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Fri, Sep 19 from St. Thomas to Buffalo, returning Thu, Sep 25, priced at $429 found 2 days ago
JetBlue Airways
Fri, Feb 6 - Thu, Feb 19
STT
St. Thomas
BUF
Buffalo
$435 Roundtrip, found 2 days ago
$435
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Fri, Feb 6 from St. Thomas to Buffalo, returning Thu, Feb 19, priced at $435 found 2 days ago
JetBlue Airways
Fri, Sep 19 - Sun, Sep 28
STT
St. Thomas
BUF
Buffalo
$435 Roundtrip, found 4 days ago
$435
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Fri, Sep 19 from St. Thomas to Buffalo, returning Sun, Sep 28, priced at $435 found 4 days ago
JetBlue Airways
Fri, Sep 19 - Mon, Sep 22
STT
St. Thomas
BUF
Buffalo
$441 Roundtrip, found 2 days ago
$441
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Fri, Sep 19 from St. Thomas to Buffalo, returning Mon, Sep 22, priced at $441 found 2 days ago
American Airlines
Wed, Mar 11 - Mon, Mar 23
STT
St. Thomas
BUF
Buffalo
$459 Roundtrip, found 1 day ago
$459
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Mar 11 from St. Thomas to Buffalo, returning Mon, Mar 23, priced at $459 found 1 day ago
Delta
Mon, Mar 9 - Mon, Mar 16
STT
St. Thomas
BUF
Buffalo
$459 Roundtrip, found 10 hours ago
$459
Roundtrip
found 10 hours ago
Select Delta flight, departing Mon, Mar 9 from St. Thomas to Buffalo, returning Mon, Mar 16, priced at $459 found 10 hours ago
United
Thu, Dec 25 - Mon, Jan 5
STT
St. Thomas
BUF
Buffalo
$459 Roundtrip, found 2 days ago
$459
Roundtrip
found 2 days ago
Select United flight, departing Thu, Dec 25 from St. Thomas to Buffalo, returning Mon, Jan 5, priced at $459 found 2 days ago
Southwest Airlines
Wed, Mar 11 - Mon, Mar 23
STT
St. Thomas
BUF
Buffalo
$619 Roundtrip, found 1 day ago
$619
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Mar 11 from St. Thomas to Buffalo, returning Mon, Mar 23, priced at $619 found 1 day ago

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

September is typically the cheapest month to fly

From $317 - $833 per traveler.

Graph displaying average flight prices per month

Alternative airports near Buffalo

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

Select flight to Buffalo Niagara Intl. BUF. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $540
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $540
Flights from St. Thomas (STT) to Buffalo (BUF)
Origin airport
Cyril E. King
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$424
Distance
1880 mi

St. Thomas to Buffalo Flights

The cheapest times to fly from St. Thomas to Buffalo

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

 

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

Sunday is one of the best days to book for cheap flights from St. Thomas to Buffalo: 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 St. Thomas to Buffalo

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 St. Thomas to Buffalo in 2025. You can also book with separate airlines for your outbound and return journeys, from $195 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 St. Thomas to Buffalo 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 St. Thomas to Buffalo 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 Cyril E. King Airport (STT) to Buffalo Niagara Intl. Airport (BUF) cost?
Get a cheap one-way flight from $195 or cheap return flight from $425 from Cyril E. King Airport (STT) to Buffalo Niagara Intl. Airport (BUF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Cyril E. King Airport (STT) to Buffalo Niagara Intl. Airport (BUF)?
Traveling in February may help you find better deals, as it's the cheapest month for flights between STT and BUF. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Cyril E. King Airport (STT) to Buffalo Niagara Intl. Airport (BUF)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from STT to BUF. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Cyril E. King Airport (STT) to Buffalo Niagara Intl. Airport (BUF)?
You'll need to take a flight with a layover when traveling from Cyril E. King Airport (STT) to Buffalo Niagara Intl. Airport (BUF). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from STT to BUF?
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 Cyril E. King Airport (STT) to Buffalo Niagara Intl. Airport (BUF)?
To reach Buffalo Niagara Intl. Airport (BUF) on time, select a flight that leaves from Cyril E. King Airport (STT) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Cyril E. King Airport (STT) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Holding off until just before your trip to book a ticket from STT to BUF often results in higher prices. While you may find some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible for a better chance of snagging a bargain.
Is it cheaper to book a STT to BUF flight and hotel package?
You can save money by booking a STT to BUF flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your ideal accommodations and flights, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Cyril E. King Airport (STT) to Buffalo Niagara Intl. Airport (BUF)?
Typically, it's possible to cancel or reschedule your STT to BUF 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 information on our Customer Service portal.

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*Available to One Key members.