$169 Cheap Flights from Washington (IAD) to Philipsburg (SXM)

View $169 flight on Mon, Mar 30, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Princess Juliana Intl. Airport (SXM)

Cheap Flights from Washington to Philipsburg (IAD-SXM)

Prices were available within the past 7 days and start at $169 for one-way flights and $396 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, Dec 2 - Sat, Dec 6
IAD
Washington
SXM
Saint Martin
$396 Roundtrip, just found
$396
Roundtrip
just found
Select Air Canada flight, departing Tue, Dec 2 from Washington to Saint Martin, returning Sat, Dec 6, priced at $396 just found
United
Mon, Dec 1 - Sat, Dec 6
IAD
Washington
SXM
Saint Martin
$398 Roundtrip, found 2 hours ago
$398
Roundtrip
found 2 hours ago
Select United flight, departing Mon, Dec 1 from Washington to Saint Martin, returning Sat, Dec 6, priced at $398 found 2 hours ago
Air Canada
Tue, Dec 2 - Sat, Dec 6
IAD
Washington
SXM
Saint Martin
$400 Roundtrip, just found
$400
Roundtrip
just found
Select Air Canada flight, departing Tue, Dec 2 from Washington to Saint Martin, returning Sat, Dec 6, priced at $400 just found
Air Canada
Mon, Jan 26 - Sat, Jan 31
IAD
Washington
SXM
Saint Martin
$430 Roundtrip, found 14 hours ago
$430
Roundtrip
found 14 hours ago
Select Air Canada flight, departing Mon, Jan 26 from Washington to Saint Martin, returning Sat, Jan 31, priced at $430 found 14 hours ago
Air Canada
Mon, Jan 26 - Sat, Jan 31
IAD
Washington
SXM
Saint Martin
$437 Roundtrip, found 14 hours ago
$437
Roundtrip
found 14 hours ago
Select Air Canada flight, departing Mon, Jan 26 from Washington to Saint Martin, returning Sat, Jan 31, priced at $437 found 14 hours ago
Air Canada
Fri, Nov 28 - Sat, Dec 6
IAD
Washington
SXM
Saint Martin
$439 Roundtrip, found 4 days ago
$439
Roundtrip
found 4 days ago
Select Air Canada flight, departing Fri, Nov 28 from Washington to Saint Martin, returning Sat, Dec 6, priced at $439 found 4 days ago
Copa
Wed, Dec 3 - Sat, Dec 13
IAD
Washington
SXM
Saint Martin
$441 Roundtrip, found 4 days ago
$441
Roundtrip
found 4 days ago
Select Copa flight, departing Wed, Dec 3 from Washington to Saint Martin, returning Sat, Dec 13, priced at $441 found 4 days ago
Delta
Mon, Jan 26 - Sat, Jan 31
IAD
Washington
SXM
Saint Martin
$454 Roundtrip, found 14 hours ago
$454
Roundtrip
found 14 hours ago
Select Delta flight, departing Mon, Jan 26 from Washington to Saint Martin, returning Sat, Jan 31, priced at $454 found 14 hours ago
Air Canada
Tue, Dec 30 - Sat, Jan 10
IAD
Washington
SXM
Saint Martin
$459 Roundtrip, found 8 hours ago
$459
Roundtrip
found 8 hours ago
Select Air Canada flight, departing Tue, Dec 30 from Washington to Saint Martin, returning Sat, Jan 10, priced at $459 found 8 hours ago
American Airlines
Wed, May 6 - Wed, May 13
IAD
Washington
SXM
Saint Martin
$557 Roundtrip, found 5 days ago
$557
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, May 6 from Washington to Saint Martin, returning Wed, May 13, priced at $557 found 5 days ago

Find the cheapest month to fly from Washington (IAD) to Simpson Bay (SXM)

July is typically the cheapest month to fly

From $312 - $767 per traveler.

Alternative airports near Simpson Bay

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

Select flight to Gustaf III SBH. Flights from $1,217
SBH
Gustaf III
Flights from $1,217
Flights from Washington (IAD) to Philipsburg (SXM)
Origin airport
Washington Dulles Intl.
Destination airport
Princess Juliana Intl.
Airlines serving
Air Canada, American Airlines, Copa, Delta, Southwest Airlines, United
Roundtrip price
$396
Distance
1681 mi
Average flight time
4 hours 9 mins

Washington to Philipsburg Flights

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

 

The best time to book a flight from Washington to Philipsburg

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Philipsburg in 2025. You can also book with separate airlines for your outbound and return journeys, from $169 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 Washington 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 Washington 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.

 

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Princess Juliana Intl. Airport (SXM) cost?
Grab a cheap one-way flight from $169 or cheap return flight from $396 from Washington Dulles Intl. Airport (IAD) to Princess Juliana Intl. Airport (SXM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Princess Juliana Intl. Airport (SXM)?
The cheapest month to fly from IAD to SXM is December, when demand is low. Off-peak months are generally when you'll find cheap fares for travel between these airports.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Princess Juliana Intl. Airport (SXM)?
Fly directly from Washington Dulles Intl. Airport (IAD) to Princess Juliana Intl. Airport (SXM) on a United Airlines flight.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Princess Juliana Intl. Airport (SXM)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest IAD to SXM flight.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Princess Juliana Intl. Airport (SXM)?
On average, Washington Dulles Intl. Airport (IAD) offers 2 direct flights to Princess Juliana Intl. Airport (SXM) weekly. For more options, use Expedia's filters to find flights with a layover. Squeeze in a quick visit to another destination or simply break up your journey.
What are the most popular departure times for flights from Washington Dulles Intl. Airport (IAD) to Princess Juliana Intl. Airport (SXM)?
More travelers fly between IAD and SXM at 8 AM than at any other point in the day. Rather go when it's quieter? Travel outside of rush hours and you're likely to save on your ticket as well.
What day of the week has the most flights from IAD to SXM?
Sunday has the most flights from Washington Dulles Intl. Airport (IAD) to Princess Juliana Intl. Airport (SXM). Consider leaving on this day and you'll have a greater chance of finding a schedule that works for you.
What is the earliest flight from Washington Dulles Intl. Airport (IAD) to Princess Juliana Intl. Airport (SXM)?
The earliest flight leaving from Washington Dulles Intl. Airport (IAD) is at around 8:39AM UTC-5. Catch this flight and you'll reach Princess Juliana Intl. Airport (SXM) at approximately 1:44PM UTC-4. The entire trip takes 4h 5m.
How long does it take to fly from Washington Dulles Intl. Airport (IAD) to Princess Juliana Intl. Airport (SXM)?
The average flight time from IAD to SXM is 4 hours and 5 minutes, covering a total distance of 1,700 mi.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Princess Juliana Intl. Airport (SXM)?
To land at Princess Juliana Intl. Airport (SXM) on time, choose a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The chance 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 Washington Dulles Intl. Airport (IAD) to Princess Juliana Intl. Airport (SXM) last-minute?
Booking your plane ticket from IAD to SXM right before your journey is usually more expensive. But if there's some wiggle room with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book an IAD to SXM flight and hotel package?
Booking an IAD to SXM 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 wide range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Princess Juliana Intl. Airport (SXM)?
Typically, you can cancel or modify your IAD to SXM flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you want more details, head to our Customer Service portal.

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*Available to One Key members.