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St. Maarten

$188+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SXM
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap 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 August 18, 2025.

Round-trip from

$440
(Air Canada)

One-way from

$188
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$643

Good round-trip deal

$706 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
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Highest demand for flights based on searches. 4% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to St. Maarten.
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Find 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 August 18, 2025.

This Air Canada deal was found by Cheapflights users on 8/15. 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.
Wed 11/264:30 pmIAD - SXM
2 stops21h 10mAir Canada
Fri 11/285:00 pmSXM - IAD
2 stops29h 22mAir Canada
Deal found 8/15$440
This Air Canada deal was found by Cheapflights users on 8/17. 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.
Thu 12/44:30 pmIAD - SXM
1 stop22h 30mAir Canada
Mon 12/85:00 pmSXM - IAD
1 stop23h 54mAir Canada
Deal found 8/17$460
This Air Canada deal was found by Cheapflights users on 8/16. 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.
Sun 11/3010:12 pmIAD - SXM
2 stops16h 48mAir Canada
Fri 12/55:00 pmSXM - IAD
1 stop23h 54mAir Canada
Deal found 8/16$465
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/134:34 pmIAD - SXM
1 stop18h 52mMultiple Airlines
Sat 9/203:05 pmSXM - IAD
2 stops27h 09mMultiple Airlines
Deal found 8/17$478
This Air Canada deal was found by Cheapflights users on 8/17. 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.
Thu 11/274:30 pmIAD - SXM
1 stop22h 30mAir Canada
Mon 12/15:00 pmSXM - IAD
1 stop24h 27mAir Canada
Deal found 8/17$487
This FlightHub deal was found by Cheapflights users on 8/17. 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.
Sat 12/69:45 amIAD - SXM
2 stops53h 15mAir Canada
Tue 12/163:40 pmSXM - IAD
1 stop30h 19mAir Canada
Deal found 8/17$508
This Copa Airlines deal was found by Cheapflights users on 8/18. 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 9/202:25 amIAD - SXM
1 stop9h 01mCopa Airlines
Sun 9/2812:25 pmSXM - IAD
1 stop15h 55mCopa Airlines
Deal found 8/18$519
This Air Canada deal was found by Cheapflights users on 8/17. 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.
Sun 12/144:30 pmIAD - SXM
1 stop22h 30mAir Canada
Fri 12/195:00 pmSXM - IAD
1 stop23h 54mAir Canada
Deal found 8/17$524

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 August 18, 2025.
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

Dulles Intl

Fly to

St. Maarten

Route

Depart

Return

Price

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 9/13

4:34 pm-11:26 am

1 stop18h 52m

Simpson Bay Princess Juliana

Sat 9/20

3:05 pm-6:14 pm

2 stops27h 09m

$478

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Thu 10/30

2:25 am-11:31 am

1 stop9h 06m

Simpson Bay Princess Juliana

Fri 11/7

12:24 pm-11:33 pm

1 stop12h 09m

$519

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Tue 9/16

2:25 am-11:26 am

1 stop9h 01m

Simpson Bay Princess Juliana

Sun 9/21

12:25 pm-4:20 am

1 stop15h 55m

$519

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 9/20

2:25 am-11:26 am

1 stop9h 01m

Simpson Bay Princess Juliana

Sun 9/28

12:25 pm-4:20 am

1 stop15h 55m

$519

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Tue 9/9

4:34 pm-11:26 am

1 stop18h 52m

Simpson Bay Princess Juliana

Fri 9/12

12:25 pm-12:30 am

1 stop12h 05m

$519

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Thu 10/9

2:25 am-11:26 am

1 stop9h 01m

Simpson Bay Princess Juliana

Sun 10/12

12:24 pm-12:30 am

1 stop12h 06m

$519

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 9/20

4:34 pm-11:26 am

1 stop18h 52m

Simpson Bay Princess Juliana

Sun 9/28

12:25 pm-4:20 am

1 stop15h 55m

$519

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 11/1

4:31 pm-11:28 am

1 stop18h 57m

Simpson Bay Princess Juliana

Wed 11/5

12:24 pm-11:33 pm

1 stop12h 09m

$519

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sun 9/7

7:14 pm-2:00 pm

2 stops18h 46m

$188

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sun 8/31

9:33 pm-2:00 pm

2 stops16h 27m

$201

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 16 results
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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 $459). Flying from Washington, D.C. Dulles Intl Airport to St. Maarten in March is currently the most expensive (average of $654). 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 August 18, 2025.

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 August 18, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American 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
8.0
Very good
7,981 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,925 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 9h 06m. Airlines will cover a distance of 1681 mi.

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

    On average you can expect to pay $945 for a flight from Washington, D.C. Dulles Intl Airport to St. Maarten. The cheapest flight overall is $625 while the most popular route, (Washington, D.C. Dulles Intl - Simpson Bay Princess Juliana) is currently priced at $519.

  • 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 $459). Flying from Washington, D.C. Dulles Intl Airport to St. Maarten in March is currently the most expensive (average of $654). 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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Alternative routes for Dulles Intl to St. Maarten

See prices for flight routes from nearby airports that may be better suited for you.
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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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$544Average$652FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$549Average$764FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$550Average$777FlexibilityNo cancel feeOn-time69%

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