How long is the flight from St. Maarten to Washington, D.C. Dulles Intl Airport?

Departing from St. Maarten to Washington, D.C. Dulles Intl Airport will take you 28h 54m. Airlines will cover a distance of 1681 mi.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the cheapest flights from St. Maarten to Washington, D.C. Dulles Intl Airport?

On average you can expect to pay $452 for a flight from St. Maarten to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $255 while the most popular route, (Simpson Bay Princess Juliana - Washington, D.C. Dulles Intl) is currently priced at $352.

Can I find deals for flights from St. Maarten to Dulles Intl that include hotel bookings?

Yes. In addition to deals on St. Maarten to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Maarten to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Maarten to Dulles Intl.

Can I find deals for business class flights from St. Maarten to Dulles Intl?

Yes. Cheapflights offers flight deals from St. Maarten to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$202+ Flights from St. Maarten to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from St. Maarten to Dulles Intl

Cheapest flights from St. Maarten to Dulles Intl
Explore the most affordable flight options available from St. Maarten to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Sat 12/133:40 pmSXM - IAD

2 stops21h 05mAir Canada

Sun 1/410:08 pmIAD - SXM

2 stops16h 52mAir Canada

Deal found 12/10

$4,456

Best flights from St. Maarten to Dulles Intl
Discover carefully curated flight deals from St. Maarten to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Sat 1/175:00 pmSXM - IAD

2 stops28h 54mAir Canada

Sat 1/249:45 amIAD - SXM

1 stop27h 55mAir Canada

Deal found 12/10

$453

Sat 1/313:10 pmSXM - IAD

1 stop26h 23mMultiple Airlines

Mon 2/94:30 pmIAD - SXM

1 stop22h 30mMultiple Airlines

Deal found 12/9

$471

Thu 1/223:40 pmSXM - IAD

1 stop30h 14mAir Canada

Mon 1/265:10 pmIAD - SXM

2 stops20h 30mAir Canada

Deal found 12/9

$476

Last-minute flights from St. Maarten to Dulles Intl
Discover last-minute flight deals from St. Maarten to Dulles Intl. Data last updated December 12, 2025 and is based on user searches.

Sat 1/175:00 pmSXM - IAD

2 stops28h 54mAir Canada

Sat 1/249:45 amIAD - SXM

1 stop27h 55mAir Canada

Deal found 12/10

$453

Sat 1/172:40 pmSXM - IAD

1 stop27h 55mUnited Airlines

Sat 1/248:41 amIAD - SXM

Nonstop4h 09mUnited Airlines

Deal found 12/10

$688

Thu 1/223:40 pmSXM - IAD

1 stop30h 14mAir Canada

Mon 1/265:10 pmIAD - SXM

2 stops20h 30mAir Canada

Deal found 12/10

$476

Sat 1/313:10 pmSXM - IAD

1 stop26h 23mMultiple Airlines

Mon 2/94:30 pmIAD - SXM

1 stop22h 30mMultiple Airlines

Deal found 12/9

$471

Sat 1/315:00 pmSXM - IAD

Nonstop4h 35mLufthansa

Mon 2/96:00 amIAD - SXM

1 stop6h 50mLufthansa

Deal found 12/9

$691

One-way flights from St. Maarten to Dulles Intl
Search for one-way flight options from St. Maarten to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Thu 2/263:15 pmSXM - IAD

2 stops26h 08mMultiple Airlines

Deal found 12/10

$202

Wed 12/245:00 pmSXM - IAD

1 stop28h 26mAir Canada

Deal found 12/9

$207

Sun 1/183:15 pmSXM - IAD

2 stops17h 36mMultiple Airlines

Deal found 12/10

$220

Tue 12/163:40 pmSXM - IAD

1 stop30h 19mAir Canada

Deal found 12/11

$241

Mon 1/125:00 pmSXM - IAD

1 stop23h 46mAir Canada

Deal found 12/9

$282

Wed 1/285:00 pmSXM - IAD

2 stops53h 25mAir Canada

Deal found 12/8

$298

Fri 3/133:55 pmSXM - IAD

Nonstop4h 35mUnited Airlines

Deal found 12/10

$300

Sun 12/213:40 pmSXM - IAD

1 stop30h 19mAir Canada

Deal found 12/9

$304

Fri 3/134:00 pmSXM - IAD

1 stop28h 26mAir Canada

Deal found 12/9

$307

Tue 5/123:20 pmSXM - IAD

1 stop8h 49mDelta

Deal found 12/8

$310

Find flight deals from St. Maarten to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$453 (Gotogate)
One-way from	$202 (Kiwi.com)
Popular in	May
Cheapest in	April
Average price	$810
Good one-way deal	$419 or less

Provider with most accurate pricing for Simpson Bay Princess Juliana-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Simpson Bay Princess Juliana-Washington, D.C. (WAS) flights.

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From St. Maarten to Washington, D.C. Dulles Intl

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One-way flight from St. Maarten to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 2% potential increase in price ($12 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($34 potential savings vs. average RT price).

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Average for round-trip flights in December 2025

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Price to beat on a one-way flight from St. Maarten to Washington, D.C. Dulles Intl.

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Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Maarten to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sat 1/17

5:00 pm-8:54 pm

2 stops28h 54m

Washington, D.C. Dulles Intl

Sat 1/24

9:45 am-2:40 pm

1 stop27h 55m

$453

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sat 1/31

3:10 pm-4:33 pm

1 stop26h 23m

Washington, D.C. Dulles Intl

Mon 2/9

4:30 pm-4:00 pm

1 stop22h 30m

$471

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Thu 1/22

3:40 pm-8:54 pm

1 stop30h 14m

Washington, D.C. Dulles Intl

Mon 1/26

5:10 pm-2:40 pm

2 stops20h 30m

$476

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Thu 2/26

3:15 pm-4:23 pm

2 stops26h 08m

$202

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Wed 12/24

5:00 pm-9:25 pm

2 stops29h 25m

$207

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sun 1/18

3:15 pm-7:51 am

2 stops17h 36m

$220

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Tue 12/16

3:40 pm-8:59 pm

1 stop30h 19m

$241

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Tue 12/23

5:00 pm-9:25 pm

2 stops53h 25m

$244

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Fri 3/13

3:55 pm-8:30 pm

Nonstop4h 35m

$300

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sun 12/21

3:40 pm-8:59 pm

1 stop30h 19m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 13 results

Best time to book a flight from St. Maarten to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from St. Maarten with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Maarten to Washington, D.C. Dulles Intl Airport

What is the cheapest time of day to fly from SX to IAD?

When flying from St. Maarten to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

How long is the flight from St. Maarten to Washington, D.C. Dulles Intl Airport?
Departing from St. Maarten to Washington, D.C. Dulles Intl Airport will take you 28h 54m. Airlines will cover a distance of 1681 mi.
What are the cheapest flights from St. Maarten to Washington, D.C. Dulles Intl Airport?
On average you can expect to pay $452 for a flight from St. Maarten to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $255 while the most popular route, (Simpson Bay Princess Juliana - Washington, D.C. Dulles Intl) is currently priced at $352.
Can I find deals for flights from St. Maarten to Dulles Intl that include hotel bookings?
Yes. In addition to deals on St. Maarten to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Maarten to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Maarten to Dulles Intl.
Can I find deals for business class flights from St. Maarten to Dulles Intl?
Yes. Cheapflights offers flight deals from St. Maarten to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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$202+ Cheap flights from St. Maarten to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Maarten to Dulles Intl with Cheapflights

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Cheap flight deals from St. Maarten to Dulles Intl

Cheapest flights from St. Maarten to Dulles IntlExplore the most affordable flight options available from St. Maarten to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Explore the most affordable flight options available from St. Maarten to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Find flight deals from St. Maarten to Dulles Intl

Keep the following information in mind while searching for St. Maarten to Dulles Intl flight deals. Data was last updated December 12, 2025.

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Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

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Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Maarten to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight from St. Maarten to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from St. Maarten with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Maarten to Washington, D.C. Dulles Intl Airport

What is the cheapest time of day to fly from SX to IAD?

Find hourly flight availability from St. Maarten to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

Related info for your journey

Find useful and relevant information for your journey from St. Maarten to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from St. Maarten to Washington, D.C. Dulles Intl Airport?

What are the cheapest flights from St. Maarten to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from St. Maarten to Dulles Intl that include hotel bookings?

How can I find direct flights from St. Maarten to Dulles Intl?

Can I find deals for business class flights from St. Maarten to Dulles Intl?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Cheapest flights from St. Maarten to Dulles Intl
Explore the most affordable flight options available from St. Maarten to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.