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Dulles Intl

$249+ Cheap flights from Simpson Bay (SXM) 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
SXM — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Simpson Bay to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Simpson Bay (SXM) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$506
(Expedia)

One-way from

$249
(Frontier)

Popular in

February

Cheapest in

June

Average price

$506

Good one-way deal

$424 or less
From Simpson Bay Princess Juliana to Washington, D.C. Dulles Intl
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One-way flight from Simpson Bay Princess Juliana to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 22% potential increase in price ($209 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Simpson Bay Princess Juliana to Washington, D.C. Dulles Intl.
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Find flight deals from Simpson Bay to Dulles Intl

Cheapest flights from Simpson Bay to Dulles Intl
Explore the most affordable flight options available from Simpson Bay to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Expedia deal was found by Cheapflights users on 9/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:00 pmSXM - IAD
1 stop24h 51mMultiple Airlines
Sat 11/83:32 pmIAD - SXM
1 stop18h 56mMultiple Airlines
Deal found 9/11$506
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:20 pmSXM - IAD
1 stop8h 58mDelta
Tue 11/187:01 amIAD - SXM
1 stop6h 54mDelta
Deal found 9/11$558
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 11/262:51 pmSXM - IAD
1 stop10h 08mAmerican Airlines
Mon 12/18:09 pmIAD - SXM
1 stop16h 41mAmerican Airlines
Deal found 9/10$567
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 11/132:51 pmSXM - IAD
1 stop10h 08mAmerican Airlines
Tue 11/185:29 pmIAD - SXM
2 stops21h 53mAmerican Airlines
Deal found 9/10$572
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:24 pmSXM - IAD
2 stops17h 17mAmerican Airlines
Sat 11/88:09 pmIAD - SXM
1 stop16h 51mAmerican Airlines
Deal found 9/11$596
This Delta deal was found by Cheapflights users on 9/10. 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.
Fri 10/103:14 pmSXM - IAD
1 stop8h 58mDelta
Mon 10/137:05 amIAD - SXM
1 stop6h 44mDelta
Deal found 9/10$607
This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:00 pmSXM - IAD
Nonstop4h 35mUnited Airlines
Sat 11/88:41 amIAD - SXM
Nonstop4h 09mUnited Airlines
Deal found 9/10$615
This Delta deal was found by Cheapflights users on 9/10. 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.
Sun 10/53:20 pmSXM - IAD
1 stop8h 53mDelta
Mon 10/136:00 amIAD - SXM
1 stop7h 49mDelta
Deal found 9/10$675
This Delta deal was found by Cheapflights users on 9/10. 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.
Wed 10/83:14 pmSXM - IAD
1 stop8h 04mDelta
Fri 10/176:00 amIAD - SXM
1 stop7h 49mDelta
Deal found 9/10$677

Cheapflights Fare Finder

 
Customize your flight search to find flights from Simpson Bay 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 September 11, 2025.
Use the filters below to find and compare flights from Simpson Bay to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Simpson Bay

Fly to

Dulles Intl

Route

Depart

Return

Price

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sat 11/1

4:00 pm-4:51 pm

1 stop24h 51m

Washington, D.C. Dulles Intl

Sat 11/8

3:32 pm-11:28 am

1 stop18h 56m

$506

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Tue 2/10

3:40 pm-11:35 am

1 stop20h 55m

Washington, D.C. Dulles Intl

Tue 2/17

4:30 pm-4:00 pm

1 stop22h 30m

$533

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Fri 3/6

4:55 pm-8:27 pm

Nonstop4h 32m

Washington, D.C. Dulles Intl

Tue 3/10

6:00 am-2:51 pm

1 stop8h 51m

$557

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Thu 11/13

4:20 pm-12:18 am

1 stop8h 58m

Washington, D.C. Dulles Intl

Tue 11/18

6:00 am-2:55 pm

1 stop7h 55m

$558

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Wed 11/26

2:51 pm-11:59 pm

1 stop10h 08m

Washington, D.C. Dulles Intl

Mon 12/1

8:09 pm-1:50 pm

1 stop16h 41m

$567

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Wed 11/26

2:52 pm-10:58 pm

1 stop9h 06m

Washington, D.C. Dulles Intl

Tue 12/2

6:00 am-1:50 pm

1 stop6h 50m

$567

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sat 12/6

4:30 pm-12:19 am

1 stop8h 49m

$249

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sun 2/1

3:40 pm-4:13 pm

2 stops25h 33m

$288

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sun 10/26

12:25 pm-11:22 pm

3 stops34h 57m

$292

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sun 2/1

12:25 pm-2:42 pm

3 stops27h 17m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 13 results
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Best time to book a flight from Simpson Bay to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Simpson Bay 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.

Related info for your journey

Find useful and relevant information for your journey from Simpson Bay 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 airport do you fly from for flights from Simpson Bay to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Simpson Bay, you will be flying from Princess Juliana, which is the city’s only airport. Simpson Bay Princess Juliana (SXM) is located 0.5 mi from the center of Simpson Bay. There are 0 flights from Princess Juliana to Washington, D.C. Dulles Intl per day from 0 different airlines.

  • How long is the flight from Simpson Bay to Washington, D.C. Dulles Intl Airport?

    For as low as $557, Air Canada can have you in Washington, D.C. Dulles Intl Airport from Simpson Bay in 4h 32m. Airlines will cover a distance of 1681 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Looking at all options, your cheapest flight can be booked for $181. While the most popular route (Simpson Bay Princess Juliana - Washington, D.C. Dulles Intl) can be booked for $489 on average, our data indicates $537 when flying from Simpson Bay to Washington, D.C. Dulles Intl Airport.

  • Can I find deals for flights from Simpson Bay to Dulles Intl that include hotel bookings?

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

  • How can I find direct flights from Simpson Bay to Dulles Intl?

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

  • Can I find deals for business class flights from Simpson Bay to Dulles Intl?

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

    Currently, August is the cheapest month in which you can book a flight from Simpson Bay to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Simpson Bay to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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Alternative routes for Simpson Bay to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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