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Dulles Intl

$171+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
SXM — IAD
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap 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 January 26, 2026.

This Trip.com deal was found by Cheapflights users on 1/25. 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.
Thu 5/212:55 pm
SXM
-
IAD
1 stop24h 39m
Air Canada
Fri 5/294:10 pm
IAD
-
SXM
1 stop21h 55m
Air Canada
Deal found 1/25$398
This Trip.com deal was found by Cheapflights users on 1/25. 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 2/75:00 pm
SXM
-
IAD
1 stop28h 29m
Air Canada
Sat 2/219:45 am
IAD
-
SXM
1 stop27h 55m
Air Canada
Deal found 1/25$409
This Vliegwinkel deal was found by Cheapflights users on 1/24. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/192:40 pm
SXM
-
IAD
1 stop30h 14m
Air Canada
Thu 3/264:30 pm
IAD
-
SXM
1 stop22h 30m
Air Canada
Deal found 1/24$412
This Vliegwinkel deal was found by Cheapflights users on 1/24. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/265:00 pm
SXM
-
IAD
1 stop23h 46m
Air Canada
Mon 2/24:30 pm
IAD
-
SXM
1 stop22h 30m
Air Canada
Deal found 1/24$422
This Air Canada deal was found by Cheapflights users on 1/26. 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.
Tue 2/245:00 pm
SXM
-
IAD
1 stop23h 49m
Air Canada
Mon 3/94:30 pm
IAD
-
SXM
1 stop22h 30m
Air Canada
Deal found 1/26$444
This Flighttix deal was found by Cheapflights users on 1/24. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/212:55 pm
SXM
-
IAD
2 stops20h 48m
Air Canada
Thu 5/2810:05 pm
IAD
-
SXM
2 stops40h 00m
Air Canada
Deal found 1/24$460

Find 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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$398
(Trip.com)

One-way from

$171
(Expedia)

Popular in

May

Cheapest in

January

Average price

$263

Good one-way deal

$679 or less
Provider with most accurate pricing for Simpson Bay Princess Juliana-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Simpson Bay Princess Juliana-Washington, D.C. Dulles Intl flights.
Search Deals
From Simpson Bay Princess Juliana to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Simpson Bay Princess Juliana to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a one-way flight from Simpson Bay Princess Juliana to Washington, D.C. Dulles Intl.
Search Deals

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 January 26, 2026.
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

Thu 5/21

2:55 pm-3:34 pm

1 stop24h 39m

Washington, D.C. Dulles Intl

Fri 5/29

4:10 pm-2:05 pm

1 stop21h 55m

$398

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sat 2/7

5:00 pm-8:29 pm

1 stop28h 29m

Washington, D.C. Dulles Intl

Sat 2/21

9:45 am-2:40 pm

1 stop27h 55m

$409

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Tue 2/24

5:00 pm-3:49 pm

1 stop23h 49m

Washington, D.C. Dulles Intl

Mon 3/9

4:30 pm-3:00 pm

1 stop22h 30m

$444

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Thu 5/21

2:55 pm-11:43 am

2 stops20h 48m

Washington, D.C. Dulles Intl

Thu 5/28

10:05 pm-2:05 pm

2 stops40h 00m

$460

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Thu 3/12

3:55 pm-8:30 pm

Nonstop4h 35m

Washington, D.C. Dulles Intl

Thu 3/19

8:41 am-12:50 pm

Nonstop4h 09m

$470

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sat 2/14

3:21 pm-8:48 am

2 stops18h 27m

Washington, D.C. Dulles Intl

Sun 2/22

5:00 am-2:16 pm

1 stop8h 16m

$479

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sat 2/14

5:28 pm-8:48 am

2 stops16h 20m

Washington, D.C. Dulles Intl

Mon 2/23

4:46 pm-12:29 pm

2 stops18h 43m

$482

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Thu 3/12

2:17 pm-8:48 am

2 stops18h 31m

Washington, D.C. Dulles Intl

Thu 3/19

5:00 am-3:00 pm

2 stops10h 00m

$490

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sun 2/8

3:40 pm-8:54 pm

1 stop30h 14m

Washington, D.C. Dulles Intl

Sat 2/14

4:30 pm-2:40 pm

2 stops21h 10m

$497

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sat 2/7

3:10 pm-4:33 pm

1 stop26h 23m

$206

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 19 results
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Compare providers for flights from Simpson Bay to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Simpson Bay to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Simpson Bay-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Simpson Bay-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Simpson Bay-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Simpson Bay-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Simpson Bay-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Cheapflights Insights

Everything you need to know about your flight from Simpson Bay to Washington, D.C. Dulles Intl Airport

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

Find hourly flight availability from Simpson Bay 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 January 26, 2026.

When flying from Simpson Bay 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.

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 $398, Air Canada can have you in Washington, D.C. Dulles Intl Airport from Simpson Bay in 24h 39m. Airlines will cover a distance of 1681 mi.

  • 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 $331. While the most popular route (Simpson Bay Princess Juliana - Washington, D.C. Dulles Intl) can be booked for $344 on average, our data indicates $998 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.

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
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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Alternative routes for Simpson Bay to Dulles Intl

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