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St. Maarten

$143+ 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SXM
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
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 July 23, 2026.

This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:33 am
IAD
-
SXM
1 stop7h 09m
American Airlines
Thu 8/272:42 pm
SXM
-
IAD
1 stop8h 13m
American Airlines
Deal found 7/22$375
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:17 am
IAD
-
SXM
2 stops9h 22m
American Airlines
Mon 8/244:39 pm
SXM
-
IAD
2 stops28h 17m
American Airlines
Deal found 7/22$380
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:23 pm
IAD
-
SXM
1 stop24h 09m
American Airlines
Sat 9/122:53 pm
SXM
-
IAD
1 stop7h 58m
American Airlines
Deal found 7/22$382
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:10 am
IAD
-
SXM
2 stops9h 29m
American Airlines
Wed 8/262:22 pm
SXM
-
IAD
2 stops19h 35m
American Airlines
Deal found 7/22$385
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 12/54:40 pm
IAD
-
SXM
2 stops22h 45m
American Airlines
Sat 12/123:20 pm
SXM
-
IAD
2 stops18h 24m
American Airlines
Deal found 7/23$394
This American Airlines deal was found by Cheapflights users on 7/19. 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.
Sat 8/226:17 am
IAD
-
SXM
1 stop7h 16m
American Airlines
Wed 8/264:39 pm
SXM
-
IAD
2 stops20h 09m
American Airlines
Deal found 7/19$402
This Air Canada deal was found by Cheapflights users on 7/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:55 am
IAD
-
SXM
1 stop7h 05m
Air Canada
Sat 9/196:00 pm
SXM
-
IAD
2 stops21h 00m
Air Canada
Deal found 7/19$404
This Delta deal was found by Cheapflights users on 7/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:00 am
IAD
-
SXM
1 stop7h 53m
Delta
Wed 10/73:14 pm
SXM
-
IAD
1 stop17h 58m
Delta
Deal found 7/22$405
This American Airlines deal was found by Cheapflights users on 7/19. 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 9/36:17 am
IAD
-
SXM
2 stops9h 22m
American Airlines
Sun 9/62:33 pm
SXM
-
IAD
1 stop7h 20m
American Airlines
Deal found 7/19$407
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Fri 9/47:57 am
IAD
-
SXM
1 stop29h 35m
American Airlines
Mon 9/74:39 pm
SXM
-
IAD
2 stops24h 25m
American Airlines
Deal found 7/21$408
This American Airlines deal was found by Cheapflights users on 7/20. 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 9/25:34 pm
IAD
-
SXM
2 stops22h 05m
American Airlines
Sun 9/62:33 pm
SXM
-
IAD
1 stop7h 20m
American Airlines
Deal found 7/20$412

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 July 23, 2026.

Round-trip from

$375
(American Airlines)

One-way from

$143
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$571

Good round-trip deal

$466 or less

Good one-way deal

$276 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. 5% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 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

Sun 8/23

6:00 am-1:53 pm

1 stop7h 53m

Simpson Bay Princess Juliana

Thu 8/27

3:18 pm-12:34 am

1 stop9h 16m

$405

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 12/5

6:20 am-3:57 pm

1 stop8h 37m

Simpson Bay Princess Juliana

Thu 12/10

2:52 pm-11:00 pm

1 stop9h 08m

$405

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sun 8/30

6:00 am-1:53 pm

1 stop7h 53m

Simpson Bay Princess Juliana

Sat 9/5

3:18 pm-12:34 am

1 stop9h 16m

$450
Quickest round-trip

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 12/5

6:20 am-3:57 pm

1 stop8h 37m

Simpson Bay Princess Juliana

Sat 12/12

5:00 pm-8:35 pm

Nonstop4h 35m

$515

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sun 11/8

1:16 am-11:30 am

1 stop9h 14m

Simpson Bay Princess Juliana

Sun 11/15

12:25 pm-11:33 pm

1 stop12h 08m

$533

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 1/4

7:00 am-2:40 pm

1 stop6h 40m

Simpson Bay Princess Juliana

Sat 1/9

5:25 pm-12:20 am

1 stop7h 55m

$566

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sun 10/11

2:25 am-11:33 am

1 stop9h 08m

Simpson Bay Princess Juliana

Mon 10/19

12:32 pm-3:04 pm

1 stop26h 32m

$612

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 9/21

6:00 am-1:53 pm

1 stop7h 53m

Simpson Bay Princess Juliana

Mon 9/28

3:18 pm-12:41 am

1 stop9h 23m

$635

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 1/4

6:10 am-3:57 pm

1 stop8h 47m

Simpson Bay Princess Juliana

Sat 1/9

5:00 pm-8:35 pm

Nonstop4h 35m

$639
Cheapest one-way

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sun 12/13

8:05 pm-1:58 pm

1 stop16h 53m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 17 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

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to St. Maarten (average of $399). Flying from Washington, D.C. Dulles Intl Airport to St. Maarten in December is currently the most expensive (average of $802). 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 July 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.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to St. Maarten

Explore weekly flight availability from Dulles Intl to St. Maarten. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 23, 2026.

The most flights from IAD to SX0 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 19 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.

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 July 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
7.8
Good
8,479 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,479 reviews
Delta
7.8
Good
8,479 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,024 reviews
Delta
7.8
Good
8,479 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,832 reviews
Delta
7.8
Good
8,479 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 7h 53m. 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 $446 for a flight from Washington, D.C. Dulles Intl Airport to St. Maarten. The cheapest flight overall is $184 while the most popular route, (Washington, D.C. Dulles Intl - Simpson Bay Princess Juliana) is currently priced at $405.

  • 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to St. Maarten (average of $399). Flying from Washington, D.C. Dulles Intl Airport to St. Maarten in December is currently the most expensive (average of $802). 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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$309Average$657FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$357Average$557FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$436Average$682FlexibilityNo cancel feeOn-time69%

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