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St. Maarten

$135+ Cheap flights from Dulles Intl (IAD) to St. Maarten

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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SXM
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
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Cheap flight deals from Dulles Intl to St. Maarten

Cheapest flights from Dulles Intl to St. Maarten
Explore the most affordable flight options available from Dulles Intl to St. Maarten. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 2026.

This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:00 am
IAD
-
SXM
1 stop6h 33m
United Airlines
Fri 5/223:50 pm
SXM
-
IAD
Nonstop4h 27m
United Airlines
Deal found 4/21$357
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:17 am
IAD
-
SXM
Nonstop4h 16m
United Airlines
Wed 6/101:35 pm
SXM
-
IAD
1 stop9h 44m
United Airlines
Deal found 4/21$363
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/248:22 pm
IAD
-
SXM
1 stop17h 28m
American Airlines
Thu 5/282:53 pm
SXM
-
IAD
1 stop9h 20m
American Airlines
Deal found 4/21$367
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:17 am
IAD
-
SXM
Nonstop4h 16m
United Airlines
Wed 6/173:50 pm
SXM
-
IAD
Nonstop4h 27m
United Airlines
Deal found 4/22$368
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:25 am
IAD
-
SXM
1 stop6h 56m
American Airlines
Fri 5/1512:41 pm
SXM
-
IAD
2 stops20h 08m
American Airlines
Deal found 4/23$372
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:11 pm
IAD
-
SXM
2 stops19h 11m
American Airlines
Wed 5/2012:41 pm
SXM
-
IAD
2 stops11h 18m
American Airlines
Deal found 4/21$377
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:17 am
IAD
-
SXM
Nonstop4h 16m
United Airlines
Thu 6/181:35 pm
SXM
-
IAD
1 stop9h 44m
United Airlines
Deal found 4/22$379
This FlightHub deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:34 pm
IAD
-
SXM
2 stops47h 26m
Air Canada
Sat 6/136:00 pm
SXM
-
IAD
2 stops13h 44m
Air Canada
Deal found 4/20$382
This American Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:20 am
IAD
-
SXM
1 stop7h 30m
American Airlines
Wed 6/172:53 pm
SXM
-
IAD
1 stop17h 57m
American Airlines
Deal found 4/20$388
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:10 pm
IAD
-
SXM
1 stop16h 47m
United Airlines
Sat 10/314:00 pm
SXM
-
IAD
Nonstop4h 35m
United Airlines
Deal found 4/20$389
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:33 am
IAD
-
SXM
1 stop7h 09m
American Airlines
Mon 8/242:42 pm
SXM
-
IAD
1 stop8h 13m
American Airlines
Deal found 4/21$399

Find flight deals from Dulles Intl to St. Maarten

Keep the following information in mind while searching for Dulles Intl to St. Maarten flight deals. Data was last updated April 23, 2026.

Round-trip from

$357
(United Airlines)

One-way from

$135
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$616

Good round-trip deal

$514 or less

Good one-way deal

$214 or less
From Washington, D.C. Dulles Intl to St. Maarten
Search Deals
One-way flight from Washington, D.C. Dulles Intl to St. Maarten
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to St. Maarten.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to St. Maarten.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to St. Maarten that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 23, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to St. Maarten that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Fri 9/18

7:00 am-1:50 pm

1 stop6h 50m

Simpson Bay Princess Juliana

Mon 9/21

3:20 pm-12:10 am

1 stop8h 50m

$399

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Wed 8/12

6:00 am-1:56 pm

1 stop7h 56m

Simpson Bay Princess Juliana

Wed 8/19

3:21 pm-12:10 am

1 stop8h 49m

$399

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Tue 6/2

2:21 am-11:27 am

1 stop9h 06m

Simpson Bay Princess Juliana

Wed 6/10

12:25 pm-12:33 am

1 stop12h 08m

$449
Quickest round-trip

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 7/25

8:17 am-12:33 pm

Nonstop4h 16m

Simpson Bay Princess Juliana

Thu 7/30

3:50 pm-8:17 pm

Nonstop4h 27m

$454

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 5/25

6:33 am-2:43 pm

1 stop8h 10m

Simpson Bay Princess Juliana

Fri 5/29

3:50 pm-8:17 pm

Nonstop4h 27m

$477

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 6/29

8:17 am-12:33 pm

Nonstop4h 16m

Simpson Bay Princess Juliana

Wed 7/8

1:35 pm-11:19 pm

1 stop9h 44m

$488

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Thu 5/28

4:38 pm-11:27 am

1 stop18h 49m

Simpson Bay Princess Juliana

Mon 6/1

12:25 pm-4:21 am

1 stop15h 56m

$498

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Fri 6/5

8:17 am-12:33 pm

Nonstop4h 16m

Simpson Bay Princess Juliana

Tue 6/9

3:50 pm-8:17 pm

Nonstop4h 27m

$503

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Thu 5/28

8:17 am-12:33 pm

Nonstop4h 16m

Simpson Bay Princess Juliana

Wed 6/3

1:35 pm-11:19 pm

1 stop9h 44m

$523

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sun 9/6

6:00 am-1:56 pm

1 stop7h 56m

Simpson Bay Princess Juliana

Sun 9/13

3:20 pm-12:10 am

1 stop8h 50m

$525

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/18

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

Have a flexible travel schedule? Discover the best time to fly to St. Maarten from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to St. Maarten

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to St. Maarten?

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to St. Maarten, you should look to book at least 27 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to St. Maarten?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to St. Maarten (average of $176). Flying from Washington, D.C. Dulles Intl Airport to St. Maarten in December is currently the most expensive (average of $612). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Dulles Intl to St. Maarten. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 23, 2026.

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

Reviews of airlines servicing St. Maarten

Get insights into the airlines that provide service to St. Maarten. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Maarten. Reviews last updated April 23, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Washington, D.C. Dulles Intl Airport to St. Maarten to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,438 reviews

Entertainment

7.8

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,438 reviews
Delta
7.9
Good
8,438 reviews

Entertainment

7.8

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,637 reviews
Delta
7.9
Good
8,438 reviews

Entertainment

7.8

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,659 reviews
Delta
7.9
Good
8,438 reviews

Entertainment

7.8

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to St. Maarten. 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 Washington, D.C. Dulles Intl Airport to St. Maarten?

    Departing from Washington, D.C. Dulles Intl Airport to St. Maarten will take you 4h 16m. Airlines will cover a distance of 1681 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    On average you can expect to pay $484 for a flight from Washington, D.C. Dulles Intl Airport to St. Maarten. The cheapest flight overall is $196 while the most popular route, (Washington, D.C. Dulles Intl - Simpson Bay Princess Juliana) is currently priced at $352.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to St. Maarten?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to St. Maarten (average of $176). Flying from Washington, D.C. Dulles Intl Airport to St. Maarten in December is currently the most expensive (average of $612). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Dulles Intl to St. Maarten

Discover the top 3 airlines that operate flights from Dulles Intl to St. Maarten. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$403Average$682FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$514Average$709FlexibilityNo cancel feeOn-time69%
DeltaCheapest$562Average$677FlexibilityNo cancel feeOn-timeN/A

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