Title: CA $139 Cheap American Airlines fights from Buffalo to Philipsburg - Expedia.ca

![Rocks on tropical island beach](https://images.trvl-media.com/place/553248633953926469/a98c56b3-9428-4846-bb22-f387c020dfbd.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

![](https://images.trvl-media.com/place/553248633953926469/a98c56b3-9428-4846-bb22-f387c020dfbd.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

# CA $139 Cheap American Airlines fights from Buffalo (BUF) to Philipsburg (SXM)

[View CA $139 flight on Mon, Mar 16, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:BUF,to:SXM,departure:16/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:138.16&airProductToken=AQpnCjIIwYIBEgQxNjU5GIEtIOKaASiL4ocDMInjhwM4QkAAWAFqBUJBU0lDcghPTk4yQVRCWgoxCMGCARIDOTM4GOKaASDyZSi744cDMKzlhwM4QkABWAFqBUJBU0lDcghPTk4yQVRCWhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) 

- [Roundtrip](?flightType=roundtrip)
- [One-way](?flightType=oneway)
- [Multi-city](?flightType=multicity)

### Travellers

Adults

ChildrenAges 2 to 17

InfantsYounger than 2

EconomyPremium economyBusiness classFirst class

Leaving from

Going to

Departing

Returning

Add a place to stay

Add a car

Direct flights only

- ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg)  
###  
Be in the know  
Get alerts if flight prices drop or rise\*
- ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg)  
###  
Book smarter  
Save up to 30% on select hotels after you book a flight\*
- ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg)  
###  
Earn twice  
Earn your airline miles on top of our rewards  
[Sign in](https://www.expedia.ca/login)

## American Airlines flights from Buffalo to Philipsburg (BUF→SXM)

Prices were available within the past 7 days and start at CA $139 for one-way flights and CA $379 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Roundtrip

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Sun, Jan 25 - Fri, Jan 30

BUF

Buffalo

SXM

Saint Martin

CA $379

Roundtrip

found 4 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:SXM,departure:25/01/2026TANYT&leg2=from:SXM,to:BUF,departure:30/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:378.31&airProductToken=AQpmCjEIwYIBEgQ1OTI1GIEtIO9ZKPSvgwMw2bCDAzhCQABYAWoFQkFTSUNyCE9OTjJBVEJaCjEIwYIBEgQzMDA0GO9ZIPJlKLaxgwMwt7ODAzhCQAFYAWoFQkFTSUNyCE9OTjJBVEJaEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Sun, Jan 25 - Fri, Jan 30

BUF

Buffalo

SXM

Saint Martin

CA $387

Roundtrip

found 4 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:SXM,departure:25/01/2026TANYT&leg2=from:SXM,to:BUF,departure:30/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:386.01&airProductToken=AQpoCjIIwYIBEgQxMjAzGIEtIOKaASiWs4MDMJW0gwM4QkAAWAFqBUJBU0lDcghPTk4yQVRCWgoyCMGCARIEMjQ3OBjimgEg8mUoubyDAzCmvoMDOEJAAVgBagVCQVNJQ3IIT05OMkFUQloSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Wed, Mar 18 - Tue, Mar 24

BUF

Buffalo

SXM

Saint Martin

CA $389

Roundtrip

found 22 hours ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:SXM,departure:18/03/2026TANYT&leg2=from:SXM,to:BUF,departure:24/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:388.56&airProductToken=AQqXAQowCMGCARIEMzk1NhiBLSBDKOn9hwMwvv6HAzhCQABYAWoFQkFTSUNyCE9OTjJBVEJaCjAIwYIBEgQyMzQ0GEMgjAIonIOIAzDNhIgDOEJAAVgBagVCQVNJQ3IIT05OMkFUQloKMQjBggESBDIwNzAYjAIg8mUozYWIAzCRh4gDOEJAAVgBagVCQVNJQ3IIT05OMkFUQloKmwEKMQjBggESBDIwMDkY8mUgjAIo7MCIAzDKwogDOEJAAFgBagVCQVNJQ3IIT05OMkFUQloKMgjBggESBDE3MjUYjAIg4poBKLPDiAMww8SIAzhCQAFYAWoFQkFTSUNyCE9OTjJBVEJaCjIIwYIBEgQxMjAzGOKaASCBLSjFyYgDMLPKiAM4QkABWAFqBUJBU0lDcghPTk4yQVRCWhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Wed, Mar 18 - Tue, Mar 24

BUF

Buffalo

SXM

Saint Martin

CA $401

Roundtrip

found 22 hours ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:SXM,departure:18/03/2026TANYT&leg2=from:SXM,to:BUF,departure:24/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:400.52&airProductToken=AQqZAQoxCMGCARIENDQ5NhiBLSDLASiU_YcDMOn9hwM4QkAAWAFqBUJBU0lDcghPTk4yQVRCWgoxCMGCARIEMzMzMBjLASCMAiiZ_4cDMN-AiAM4QkABWAFqBUJBU0lDcghPTk4yQVRCWgoxCMGCARIEMjIyNhiMAiDyZSjphIgDMKGGiAM4QkABWAFqBUJBU0lDcghPTk4yQVRCWhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Sun, Jan 25 - Fri, Jan 30

BUF

Buffalo

SXM

Saint Martin

CA $412

Roundtrip

found 4 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:SXM,departure:25/01/2026TANYT&leg2=from:SXM,to:BUF,departure:30/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:411.99&airProductToken=AQqbAQoyCMGCARIEMjMwMRiBLSDimgEo-bWDAzD4toMDOEJAAFgBagVCQVNJQ3IIT05OMkFUQloKMgjBggESBDE4ODcY4poBIIwCKOe6gwMw67uDAzhCQAFYAWoFQkFTSUNyCE9OTjJBVEJaCjEIwYIBEgQyODQyGIwCIPJlKIm-gwMwzL-DAzhCQAFYAWoFQkFTSUNyCE9OTjJBVEJaEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Thu, Mar 26 - Tue, Mar 31

BUF

Buffalo

SXM

Saint Martin

CA $422

Roundtrip

found 22 hours ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BUF,to:SXM,departure:26/03/2026TANYT&leg2=from:SXM,to:BUF,departure:31/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:421.56&airProductToken=AQqbAQoyCMGCARIEMTY1ORiBLSDimgEoy9KIAzDJ04gDOEJAAFgBagVCQVNJQ3IIT05OMkFIQloKMgjBggESBDE5OTAY4poBIIwCKJzdiAMwod6IAzhCQAFYAWoFQkFTSUNyCE9OTjJBSEJaCjEIwYIBEgQyMjI2GIwCIPJlKOneiAMwoeCIAzhCQAFYAWoFQkFTSUNyCE9OTjJBSEJaCpkBCjEIwYIBEgQyMDA5GPJlIIwCKMyPiQMwqpGJAzhCQABYAWoFQkFTSUNyCE9OTjJBVEJaCjEIwYIBEgQxMTU1GIwCIO9ZKJOSiQMww5OJAzhCQAFYAWoFQkFTSUNyCE9OTjJBVEJaCjEIwYIBEgQ1ODY4GO9ZIIEtKMmXiQMwopiJAzhCQAFYAWoFQkFTSUNyCE9OTjJBVEJaEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw)

## Find the cheapest month to fly

### January is typically the cheapest month to fly

From CA $399 - CA $1,208 per traveller.

## Travel information

| Origin airport      | Buffalo Niagara Intl.                                         |
| ------------------- | ------------------------------------------------------------- |
| Destination airport | Princess Juliana Intl.                                        |
| Airlines serving    | Air Canada, American Airlines, Delta, JetBlue Airways, United |
| Popular airline     | Delta                                                         |
| Distance            | 3116 km                                                       |

\*Available to Expedia members.