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Dulles Intl

$321+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SXM — IAD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$548
(Delta)

One-way from

$321
(Kiwi.com)

Popular in

March

Cheapest in

May

Good round-trip deal

$424 or less

Good one-way deal

$349 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.
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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. 15% potential increase in price ($109 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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Price to beat on a round-trip flight from Simpson Bay Princess Juliana to Washington, D.C. Dulles Intl.
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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 February 20, 2025.

This Delta deal was found by Cheapflights users on 2/19. 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 3/201:40 pmSXM - IAD
1 stop10h 48mDelta
Wed 3/266:00 amIAD - SXM
1 stop8h 01mDelta
Deal found 2/19$548
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Fri 3/213:55 pmSXM - IAD
Nonstop4h 32mUnited Airlines
Fri 3/288:46 amIAD - SXM
Nonstop4h 05mUnited Airlines
Deal found 2/19$558
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/204:15 pmSXM - IAD
2 stops16h 35mAmerican Airlines
Wed 3/266:27 amIAD - SXM
1 stop6h 28mAmerican Airlines
Deal found 2/19$561
This Flysmarter deal was found by Cheapflights users on 2/19. 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 3/203:55 pmSXM - IAD
Nonstop4h 32mLufthansa
Wed 3/2610:20 pmIAD - SXM
1 stop16h 31mLufthansa
Deal found 2/19$643
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2012:05 pmSXM - IAD
2 stops24h 54mMultiple Airlines
Wed 3/265:15 pmIAD - SXM
3 stops17h 40mMultiple Airlines
Deal found 2/19$937

Find flights from Simpson Bay to Dulles Intl within your budget

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 February 20, 2025.

Fly from

Simpson Bay

Fly to

Dulles Intl

Route

Depart

Return

Price

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Thu 3/20

1:40 pm-12:28 am

1 stop10h 48m

Washington, D.C. Dulles Intl

Wed 3/26

6:00 am-2:01 pm

1 stop8h 01m

$548

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Fri 3/21

3:55 pm-8:27 pm

Nonstop4h 32m

Washington, D.C. Dulles Intl

Fri 3/28

8:46 am-12:51 pm

Nonstop4h 05m

$558

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Thu 3/20

4:15 pm-8:50 am

2 stops16h 35m

Washington, D.C. Dulles Intl

Wed 3/26

6:27 am-12:55 pm

1 stop6h 28m

$561

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Thu 3/20

3:55 pm-8:27 pm

Nonstop4h 32m

Washington, D.C. Dulles Intl

Wed 3/26

10:20 pm-2:51 pm

1 stop16h 31m

$643

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Thu 3/20

12:05 pm-12:59 pm

2 stops24h 54m

Washington, D.C. Dulles Intl

Wed 3/26

5:15 pm-10:55 am

3 stops17h 40m

$937

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Wed 3/5

3:33 pm-4:54 pm

2 stops26h 21m

$321

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sun 3/30

3:55 pm-9:41 am

2 stops41h 46m

$331

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Fri 4/25

12:18 pm-4:20 am

1 stop16h 02m

$346

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sat 5/3

3:55 pm-8:20 pm

Nonstop4h 25m

$415

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sat 5/3

1:50 pm-11:56 pm

1 stop10h 06m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 11 results
1
2
  • 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.

Travel insights for flights from Simpson Bay to Dulles Intl

Get recent, data-driven insights about flights from Simpson Bay to Dulles Intl including ideal travel times, pricing trends, and more.

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 February 20, 2025.

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.

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 February 20, 2025.
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
7.6
Good
1,510 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
8,220 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

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

Air Canada
7.0
Good
8,748 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

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 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.

  • What are the cheapest airlines flying from Simpson Bay to Washington, D.C. Dulles Intl Airport round-trip?

    Flying on Delta is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $548. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $558 and $561, respectively.

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

    The cheapest airlines for a one-way flight from Simpson Bay to Washington, D.C. Dulles Intl Airport are Air Canada ($331), Copa Airlines ($346), and United Airlines ($415).

  • 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 $225. While the most popular route (Simpson Bay Princess Juliana - Washington, D.C. Dulles Intl) can be booked for $526 on average our data indicates $495 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 $309). Flying from Simpson Bay to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 Simpson Bay?

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

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