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St. Maarten

$138+ 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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SXM
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
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 March 12, 2026.

This American Airlines deal was found by Cheapflights users on 3/7. 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 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 stop17h 57m
American Airlines
Deal found 3/7$429
This American Airlines deal was found by Cheapflights users on 3/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/238:22 pm
IAD
-
SXM
1 stop17h 28m
American Airlines
Sat 5/304:43 pm
SXM
-
IAD
2 stops26h 50m
American Airlines
Deal found 3/7$434
This Air Canada deal was found by Cheapflights users on 3/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/54:05 pm
IAD
-
SXM
1 stop21h 50m
Air Canada
Sat 6/133:05 pm
SXM
-
IAD
1 stop24h 24m
Air Canada
Deal found 3/8$437
This Air Canada deal was found by Cheapflights users on 3/11. 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.
Fri 6/54:05 pm
IAD
-
SXM
1 stop21h 50m
Air Canada
Thu 6/113:05 pm
SXM
-
IAD
1 stop24h 24m
Air Canada
Deal found 3/11$439
This FlightHub deal was found by Cheapflights users on 3/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/215:05 am
IAD
-
SXM
1 stop8h 25m
Frontier
Sat 3/282:35 pm
SXM
-
IAD
1 stop9h 56m
Frontier
Deal found 3/10$440
This Orbitz deal was found by Cheapflights users on 3/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:00 am
IAD
-
SXM
1 stop8h 29m
Multiple Airlines
Sat 6/63:05 pm
SXM
-
IAD
1 stop24h 24m
Multiple Airlines
Deal found 3/9$443
This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:12 pm
IAD
-
SXM
2 stops24h 10m
American Airlines
Sat 6/64:43 pm
SXM
-
IAD
2 stops26h 50m
American Airlines
Deal found 3/8$449
This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:15 pm
IAD
-
SXM
2 stops17h 00m
American Airlines
Mon 9/212:50 pm
SXM
-
IAD
2 stops21h 57m
American Airlines
Deal found 3/8$451

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 March 12, 2026.

Round-trip from

$429
(American Airlines)

One-way from

$138
(Frontier)

Popular in

December

Cheapest in

August

Average price

$643

Good round-trip deal

$560 or less

Good one-way deal

$254 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. 3% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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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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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to St. Maarten.
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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 March 12, 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

Sat 4/25

8:20 am-4:49 pm

1 stop8h 29m

Simpson Bay Princess Juliana

Wed 4/29

3:50 pm-8:17 pm

Nonstop4h 27m

$508

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 4/11

8:15 am-12:27 pm

Nonstop4h 12m

Simpson Bay Princess Juliana

Fri 4/17

1:35 pm-11:25 pm

1 stop9h 50m

$540

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sun 5/10

6:00 am-12:33 pm

1 stop6h 33m

Simpson Bay Princess Juliana

Sat 5/23

3:50 pm-8:17 pm

Nonstop4h 27m

$573
Quickest round-trip

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Fri 5/29

8:17 am-12:33 pm

Nonstop4h 16m

Simpson Bay Princess Juliana

Mon 6/1

3:50 pm-8:17 pm

Nonstop4h 27m

$585

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 6/8

8:17 am-12:33 pm

Nonstop4h 16m

Simpson Bay Princess Juliana

Sun 6/14

3:50 pm-8:17 pm

Nonstop4h 27m

$605

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 5/16

8:17 am-12:33 pm

Nonstop4h 16m

Simpson Bay Princess Juliana

Sat 5/30

1:35 pm-11:19 pm

1 stop9h 44m

$621

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 5/16

8:17 am-12:33 pm

Nonstop4h 16m

Simpson Bay Princess Juliana

Sun 5/24

3:50 pm-8:17 pm

Nonstop4h 27m

$630

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Wed 5/27

6:33 am-2:43 pm

1 stop8h 10m

Simpson Bay Princess Juliana

Tue 6/2

3:50 pm-8:17 pm

Nonstop4h 27m

$642

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sun 5/24

8:17 am-12:33 pm

Nonstop4h 16m

Simpson Bay Princess Juliana

Thu 5/28

1:35 pm-11:19 pm

1 stop9h 44m

$648

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 5/25

8:17 am-12:33 pm

Nonstop4h 16m

Simpson Bay Princess Juliana

Fri 5/29

3:50 pm-8:17 pm

Nonstop4h 27m

$657

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to St. Maarten (average of $330). Flying from Washington, D.C. Dulles Intl Airport to St. Maarten in December is currently the most expensive (average of $636). 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 March 12, 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 March 12, 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).

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 March 12, 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
8,286 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

Overall

7.9

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
8,286 reviews
Delta
7.9
Good
8,286 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

Overall

7.9

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
9,418 reviews
Delta
7.9
Good
8,286 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

Overall

7.9

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
11,435 reviews
Delta
7.9
Good
8,286 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

Overall

7.9

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 8h 29m. 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 $784 for a flight from Washington, D.C. Dulles Intl Airport to St. Maarten. The cheapest flight overall is $228 while the most popular route, (Washington, D.C. Dulles Intl - Simpson Bay Princess Juliana) is currently priced at $399.

  • 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 $330). Flying from Washington, D.C. Dulles Intl Airport to St. Maarten in December is currently the most expensive (average of $636). 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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$547Average$717FlexibilityNo cancel feeOn-time71%
DeltaCheapest$547Average$662FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$547Average$720FlexibilityNo cancel feeOn-time69%

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