$143 Cheap Flights from Buffalo (BUF) to Philipsburg (SXM)

View $143 flight on Fri, Jul 17, 2026Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Princess Juliana Intl. Airport (SXM)

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Cheap Flights from Buffalo to Philipsburg (BUF-SXM)

Prices were available within the past 7 days and start at $143 for one-way flights and $359 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Jun 12 - Sat, Jun 20
BUF
Buffalo
SXM
Saint Martin
$359 Roundtrip, found 3 days ago
$359
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Jun 12 from Buffalo to Saint Martin, returning Sat, Jun 20, priced at $359 found 3 days ago
American Airlines
Mon, May 25 - Fri, May 29
BUF
Buffalo
SXM
Saint Martin
$373 Roundtrip, found 6 days ago
$373
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, May 25 from Buffalo to Saint Martin, returning Fri, May 29, priced at $373 found 6 days ago
American Airlines
Mon, May 25 - Fri, May 29
BUF
Buffalo
SXM
Saint Martin
$374 Roundtrip, found 6 days ago
$374
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, May 25 from Buffalo to Saint Martin, returning Fri, May 29, priced at $374 found 6 days ago
Delta
Sat, Jul 4 - Sat, Jul 11
BUF
Buffalo
SXM
Saint Martin
$379 Roundtrip, found 8 hours ago
$379
Roundtrip
found 8 hours ago
Select Delta flight, departing Sat, Jul 4 from Buffalo to Saint Martin, returning Sat, Jul 11, priced at $379 found 8 hours ago
American Airlines
Tue, Jun 9 - Sat, Jun 13
BUF
Buffalo
SXM
Saint Martin
$383 Roundtrip, found 3 days ago
$383
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Jun 9 from Buffalo to Saint Martin, returning Sat, Jun 13, priced at $383 found 3 days ago
Frontier Airlines
Fri, Jul 24 - Wed, Jul 29
BUF
Buffalo
SXM
Saint Martin
$383 Roundtrip, found 3 days ago
$383
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Jul 24 from Buffalo to Saint Martin, returning Wed, Jul 29, priced at $383 found 3 days ago
United
Sun, Jun 7 - Fri, Jun 12
BUF
Buffalo
SXM
Saint Martin
$384 Roundtrip, found 6 days ago
$384
Roundtrip
found 6 days ago
Select United flight, departing Sun, Jun 7 from Buffalo to Saint Martin, returning Fri, Jun 12, priced at $384 found 6 days ago
United
Mon, May 25 - Fri, May 29
BUF
Buffalo
SXM
Saint Martin
$386 Roundtrip, found 6 days ago
$386
Roundtrip
found 6 days ago
Select United flight, departing Mon, May 25 from Buffalo to Saint Martin, returning Fri, May 29, priced at $386 found 6 days ago
Frontier Airlines
Fri, Jul 17 - Tue, Jul 21
BUF
Buffalo
SXM
Saint Martin
$388 Roundtrip, found 10 hours ago
$388
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Fri, Jul 17 from Buffalo to Saint Martin, returning Tue, Jul 21, priced at $388 found 10 hours ago
JetBlue Airways
Mon, May 25 - Fri, May 29
BUF
Buffalo
SXM
Saint Martin
$391 Roundtrip, found 6 days ago
$391
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Mon, May 25 from Buffalo to Saint Martin, returning Fri, May 29, priced at $391 found 6 days ago

Alternative airports near Simpson Bay

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

Select flight to Clayton J. Lloyd Intl. AXA. Cheapest option available. Flights from $1,345
AXA
Clayton J. Lloyd Intl.
Cheapest
Flights from $1,345

Find the cheapest month to fly from Buffalo (BUF) to Simpson Bay (SXM)

April is typically the cheapest month to fly

From $348 - $818 per traveler.

Frequently asked questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.) cost?
You can find cheap one-way flights and cheap return flights from $359 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.) with Expedia. One-way flights typically cost between $175 and $1139, and return flights often range between $369 and $1961. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.)?
February is the cheapest month to fly from Buffalo, NY (BUF) to Philipsburg (SXM), with average return fares around $531. This is about 12% lower than the average price throughout the year, as February often sees lower travel demand. Other budget-friendly months to consider are April and June.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.)?
Enter BUF to SXM and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.)?
To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.)?
For your journey from Buffalo, NY (BUF) to Philipsburg (SXM), February and April are the best months to fly. February is particularly appealing with return flights averaging around $531, while April is also popular. These months strike a great balance between price and travel experience, making them ideal for your trip.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.)?
The earliest flight from Buffalo Niagara International Airport (BUF) to Princess Juliana International Airport (SXM) usually departs at around 5:00 AM, operated by American Airlines. This is a seasonal service active in February, perfect for a winter escape to the Caribbean. An early departure allows you to enjoy more time on the beautiful beaches of St. Maarten. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.)?
The most popular departure times for flights from Buffalo Niagara Intl. (BUF) to Philipsburg (SXM) are in the early morning, from 6am to 9am. This accounts for around 44% of total traffic. Many major carriers, including JetBlue and American Airlines, operate flights during this window. This timing is favored as it allows travelers to maximize their time in the Caribbean upon arrival.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.)?
Flights from BUF to SXM with one stop typically take around 6 hours 30 minutes, covering approximately 1,948 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.)?
Business class seats are offered on the BUF to SXM route with United Airlines.
How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Philipsburg from Buffalo Niagara Intl. (BUF)?
If you're planning to travel to Philipsburg from Buffalo Niagara Intl. (BUF), you can fly into Princess Juliana Intl. (SXM) Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), Ronald Reagan Washington National (DCA), O'Hare Intl. (ORD) before reaching Philipsburg. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.) flight and hotel package?
Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.)?
If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to Philipsburg (SXM-Princess Juliana Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, 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 if you'd like more information.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Princess Juliana Intl.
Airlines serving
Air Canada, American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$359
Distance
1947 mi

Book with confidence

Buffalo to Philipsburg Flights

The cheapest times to fly from Buffalo to Philipsburg

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

 

The best time to book a flight from Buffalo to Philipsburg

Sunday is one of the best days to book for cheap flights from Buffalo to Philipsburg: 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 Philipsburg

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 Philipsburg in 2026. You can also book with separate airlines for your outbound and return journeys, from $143 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 Philipsburg 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 Philipsburg 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 Philipsburg Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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