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Dulles Intl

$309+ Cheap flights from St. Maarten to Dulles Intl (IAD)

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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
SXM — IAD
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from St. Maarten to Dulles Intl

Keep the following information in mind while searching for St. Maarten to Dulles Intl flight deals. Data was last updated April 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$446
(Gotogate)

One-way from

$309
(CheapOair)

Popular in

March

Cheapest in

April

Average price

$432

Good round-trip deal

$832 or less

Good one-way deal

$389 or less
Provider with most accurate pricing for Simpson Bay Princess Juliana-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Simpson Bay Princess Juliana-Washington, D.C. (WAS) flights.
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From St. Maarten to Washington, D.C. Dulles Intl
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One-way flight from St. Maarten to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 10% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from St. Maarten to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from St. Maarten to Washington, D.C. Dulles Intl.
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Find flight deals from St. Maarten to Dulles Intl

Cheapest flights from St. Maarten to Dulles Intl
Explore the most affordable flight options available from St. Maarten to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/712:33 pmSXM - IAD
1 stop24h 16mMultiple Airlines
Sat 6/142:21 amIAD - SXM
1 stop9h 02mMultiple Airlines
Deal found 4/28$446
This Copa Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 5/3012:21 pmSXM - IAD
1 stop12h 08mCopa Airlines
Thu 6/52:21 amIAD - SXM
1 stop9h 02mCopa Airlines
Deal found 4/29$535
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/292:05 pmSXM - IAD
1 stop18h 33mAmerican Airlines
Wed 6/45:02 amIAD - SXM
1 stop8h 13mAmerican Airlines
Deal found 4/29$549
This Delta deal was found by Cheapflights users on 4/29. 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.
Fri 8/153:10 pmSXM - IAD
1 stop9h 00mDelta
Fri 10/36:00 amIAD - SXM
1 stop7h 50mDelta
Deal found 4/29$563
This United Airlines deal was found by Cheapflights users on 4/29. 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 7/263:55 pmSXM - IAD
Nonstop4h 25mUnited Airlines
Sat 8/28:17 amIAD - SXM
Nonstop4h 12mUnited Airlines
Deal found 4/29$583
This Flysmarter deal was found by Cheapflights users on 4/29. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/291:35 pmSXM - IAD
1 stop17h 44mLufthansa
Wed 6/48:17 amIAD - SXM
Nonstop4h 12mLufthansa
Deal found 4/29$651

Cheapflights Fare Finder

Customize your flight search to find flights from St. Maarten to Dulles Intl 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 29, 2025.
Use the filters below to find and compare flights from St. Maarten to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

St. Maarten

Fly to

Dulles Intl

Route

Depart

Return

Price

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sat 6/7

12:33 pm-12:49 pm

1 stop24h 16m

Washington, D.C. Dulles Intl

Sat 6/14

2:21 am-11:23 am

1 stop9h 02m

$446

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Fri 5/30

12:21 pm-12:29 am

1 stop12h 08m

Washington, D.C. Dulles Intl

Thu 6/5

2:21 am-11:23 am

1 stop9h 02m

$535

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Thu 5/29

2:05 pm-8:38 am

1 stop18h 33m

Washington, D.C. Dulles Intl

Wed 6/4

5:02 am-1:15 pm

1 stop8h 13m

$549

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Fri 8/15

3:10 pm-12:10 am

1 stop9h 00m

Washington, D.C. Dulles Intl

Fri 10/3

6:00 am-1:50 pm

1 stop7h 50m

$563

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sat 7/26

3:55 pm-8:20 pm

Nonstop4h 25m

Washington, D.C. Dulles Intl

Sat 8/2

8:17 am-12:29 pm

Nonstop4h 12m

$583

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Thu 5/29

1:35 pm-7:19 am

1 stop17h 44m

Washington, D.C. Dulles Intl

Wed 6/4

8:17 am-12:29 pm

Nonstop4h 12m

$651

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Mon 5/26

6:15 pm-4:10 pm

1 stop21h 55m

$309

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sun 6/1

9:14 am-3:00 pm

2 stops29h 46m

$317

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Wed 6/11

3:55 pm-8:20 pm

Nonstop4h 25m

$345

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sun 7/13

12:23 pm-4:20 am

1 stop15h 57m

$346

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 13 results
1
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Best time to book a flight from St. Maarten to Dulles Intl

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

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

Find hourly flight availability from St. Maarten to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

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

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated April 29, 2025.
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Copa Airlines
7.5
Good
1,411 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,823 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from St. Maarten to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from St. Maarten to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airlines for a one-way flight from St. Maarten to Washington, D.C. Dulles Intl Airport are Frontier ($309), United Airlines ($345), and Copa Airlines ($346).

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

    On average you can expect to pay $693 for a flight from St. Maarten to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $205 while the most popular route, (Simpson Bay Princess Juliana - Washington, D.C. Dulles Intl) is currently priced at $481.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Maarten to Dulles Intl 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 St. Maarten to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from St. Maarten to Washington, D.C. Dulles Intl Airport (average of $309). Flying from St. Maarten to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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

Traveling to a place near St. Maarten?

Book flights to St. Maarten if you plan to visit one of these locations
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Sterling
Bowie
National Harbor
Oxon Hill

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