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St. Maarten

$139+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SXM
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
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 June 10, 2026.

This American Airlines deal was found by Cheapflights users on 6/10. 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 7/258:21 pm
IAD
-
SXM
1 stop17h 30m
American Airlines
Fri 7/312:51 pm
SXM
-
IAD
1 stop9h 19m
American Airlines
Deal found 6/10$367
This American Airlines deal was found by Cheapflights users on 6/10. 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 7/275:03 am
IAD
-
SXM
1 stop8h 48m
American Airlines
Wed 7/294:45 pm
SXM
-
IAD
2 stops26h 55m
American Airlines
Deal found 6/10$372
This American Airlines deal was found by Cheapflights users on 6/10. 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 8/236:25 pm
IAD
-
SXM
2 stops21h 14m
American Airlines
Sun 8/302:42 pm
SXM
-
IAD
1 stop9h 07m
American Airlines
Deal found 6/10$377
This American Airlines deal was found by Cheapflights users on 6/10. 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 7/181:16 pm
IAD
-
SXM
2 stops26h 28m
American Airlines
Wed 7/221:34 pm
SXM
-
IAD
2 stops19h 15m
American Airlines
Deal found 6/10$385
This Delta deal was found by Cheapflights users on 6/10. 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 9/76:00 am
IAD
-
SXM
1 stop7h 53m
Delta
Thu 9/103:20 pm
SXM
-
IAD
1 stop8h 50m
Delta
Deal found 6/10$405
This Justfly.com deal was found by Cheapflights users on 6/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1110:11 pm
IAD
-
SXM
2 stops42h 49m
Air Canada
Sat 6/206:00 pm
SXM
-
IAD
2 stops13h 44m
Air Canada
Deal found 6/10$422
This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 8/226:00 am
IAD
-
SXM
1 stop7h 53m
Delta
Wed 8/263:18 pm
SXM
-
IAD
1 stop9h 16m
Delta
Deal found 6/10$436
This Copa Airlines deal was found by Cheapflights users on 6/8. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:25 am
IAD
-
SXM
1 stop9h 08m
Copa Airlines
Mon 10/512:32 pm
SXM
-
IAD
1 stop26h 32m
Copa Airlines
Deal found 6/8$441
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/188:17 am
IAD
-
SXM
Nonstop4h 16m
United Airlines
Wed 7/223:50 pm
SXM
-
IAD
Nonstop4h 27m
United Airlines
Deal found 6/8$452
This Copa Airlines deal was found by Cheapflights users on 6/8. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:25 am
IAD
-
SXM
1 stop9h 08m
Copa Airlines
Fri 10/912:32 pm
SXM
-
IAD
1 stop15h 48m
Copa Airlines
Deal found 6/8$456
This Delta deal was found by Cheapflights users on 6/7. 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 7/276:00 am
IAD
-
SXM
1 stop7h 55m
Delta
Wed 8/53:18 pm
SXM
-
IAD
1 stop9h 16m
Delta
Deal found 6/7$457
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 7/98:17 am
IAD
-
SXM
Nonstop4h 16m
United Airlines
Thu 7/161:35 pm
SXM
-
IAD
1 stop9h 44m
United Airlines
Deal found 6/9$463

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 June 10, 2026.

Round-trip from

$405
(Delta)

One-way from

$139
(American Airlines)

Popular in

December

Cheapest in

April

Average price

$623

Good round-trip deal

$492 or less

Good one-way deal

$134 or less
From Washington, D.C. Dulles Intl to St. Maarten
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One-way flight from Washington, D.C. Dulles Intl to St. Maarten
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in June 2026
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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 June 10, 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
Quickest round-trip

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 7/18

8:17 am-12:33 pm

Nonstop4h 16m

Simpson Bay Princess Juliana

Wed 7/22

3:50 pm-8:17 pm

Nonstop4h 27m

$452

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

Thu 9/3

3:18 pm-12:34 am

1 stop9h 16m

$457

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 7/27

6:33 am-2:43 pm

1 stop8h 10m

Simpson Bay Princess Juliana

Wed 7/29

3:50 pm-8:17 pm

Nonstop4h 27m

$457

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 7/27

6:00 am-1:55 pm

1 stop7h 55m

Simpson Bay Princess Juliana

Wed 7/29

3:20 pm-12:41 am

1 stop9h 21m

$467

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sun 11/1

1:16 am-11:30 am

1 stop9h 14m

Simpson Bay Princess Juliana

Mon 11/9

12:25 pm-3:15 am

1 stop15h 50m

$488

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Tue 7/14

6:33 am-2:43 pm

1 stop8h 10m

Simpson Bay Princess Juliana

Sat 7/18

3:50 pm-8:17 pm

Nonstop4h 27m

$527

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 6/27

8:17 am-12:33 pm

Nonstop4h 16m

Simpson Bay Princess Juliana

Wed 7/1

1:35 pm-11:19 pm

1 stop9h 44m

$541

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 6/27

8:17 am-12:33 pm

Nonstop4h 16m

Simpson Bay Princess Juliana

Tue 6/30

3:50 pm-8:17 pm

Nonstop4h 27m

$574

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Fri 7/31

6:33 am-2:43 pm

1 stop8h 10m

Simpson Bay Princess Juliana

Mon 8/3

1:35 pm-11:19 pm

1 stop9h 44m

$605

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Thu 7/30

8:17 am-12:33 pm

Nonstop4h 16m

Simpson Bay Princess Juliana

Sat 8/1

3:50 pm-8:17 pm

Nonstop4h 27m

$628

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 22 resultsSorted by cheapest first
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3

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, 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 $604). 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 June 10, 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 June 10, 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 30 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 June 10, 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
8,396 reviews

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.8

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
7.9
Good
8,396 reviews
Delta
7.9
Good
8,396 reviews

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.8

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
9,804 reviews
Delta
7.9
Good
8,396 reviews

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.8

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
11,635 reviews
Delta
7.9
Good
8,396 reviews

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.8

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 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 $407 for a flight from Washington, D.C. Dulles Intl Airport to St. Maarten. The cheapest flight overall is $134 while the most popular route, (Washington, D.C. Dulles Intl - Simpson Bay Princess Juliana) is currently priced at $421.

  • 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 $604). 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

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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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$357Average$667FlexibilityNo cancel feeOn-time71%
DeltaCheapest$399Average$787FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$488Average$697FlexibilityNo cancel feeOn-time69%

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