HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$170+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
SXM — IAD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Simpson Bay to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Round-trip from

$288
(Frontier)

One-way from

$170
(Priceline)

Popular in

February

Cheapest in

June

Average price

$547

Good round-trip deal

$531 or less

Good one-way deal

$306 or less
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. 22% potential increase in price ($209 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Simpson Bay Princess Juliana to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Simpson Bay Princess Juliana to Washington, D.C. Dulles Intl.
Search Deals

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 June 12, 2025.

This Frontier deal was found by Cheapflights users on 6/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/196:26 pmSXM - IAD
1 stop17h 03mFrontier
Sun 7/2712:24 pmIAD - SXM
1 stop28h 57mFrontier
Deal found 6/12$288
This Gotogate deal was found by Cheapflights users on 6/12. 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 7/196:26 pmSXM - IAD
1 stop17h 03mMultiple Airlines
Sat 7/262:22 amIAD - SXM
1 stop9h 02mMultiple Airlines
Deal found 6/12$423
This Delta deal was found by Cheapflights users on 6/10. 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 11/144:00 pmSXM - IAD
1 stop9h 07mDelta
Mon 11/176:00 amIAD - SXM
1 stop7h 35mDelta
Deal found 6/10$538
This Trip.com deal was found by Cheapflights users on 6/12. 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 7/193:55 pmSXM - IAD
Nonstop4h 25mUnited Airlines
Sun 7/278:17 amIAD - SXM
Nonstop4h 12mUnited Airlines
Deal found 6/12$572
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 6/142:50 pmSXM - IAD
1 stop17h 48mAmerican Airlines
Mon 6/238:14 pmIAD - SXM
2 stops17h 20mAmerican Airlines
Deal found 6/10$885
This Flysmarter deal was found by Cheapflights users on 6/10. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/143:55 pmSXM - IAD
Nonstop4h 25mLufthansa
Mon 6/2310:23 pmIAD - SXM
1 stop14h 06mLufthansa
Deal found 6/10$947
This Copa Airlines deal was found by Cheapflights users on 6/11. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2612:24 pmSXM - IAD
1 stop12h 07mCopa Airlines
Sat 12/203:31 pmIAD - SXM
1 stop18h 57mCopa Airlines
Deal found 6/11$1,243

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 June 12, 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 7/19

6:26 pm-11:29 am

1 stop17h 03m

Washington, D.C. Dulles Intl

Sun 7/27

12:24 pm-5:21 pm

1 stop28h 57m

$288

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sat 7/19

6:26 pm-11:29 am

1 stop17h 03m

Washington, D.C. Dulles Intl

Sat 7/26

2:22 am-11:24 am

1 stop9h 02m

$423

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Fri 11/14

4:00 pm-12:07 am

1 stop9h 07m

Washington, D.C. Dulles Intl

Mon 11/17

6:00 am-2:35 pm

1 stop7h 35m

$538

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Sat 7/19

3:55 pm-8:20 pm

Nonstop4h 25m

Washington, D.C. Dulles Intl

Sun 7/27

8:17 am-12:29 pm

Nonstop4h 12m

$572

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Fri 9/26

2:45 pm-6:47 pm

2 stops28h 02m

Washington, D.C. Dulles Intl

Sat 12/20

8:10 pm-2:00 pm

1 stop16h 50m

$1,067

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Fri 9/26

12:24 pm-12:31 am

1 stop12h 07m

Washington, D.C. Dulles Intl

Sat 12/20

3:31 pm-11:28 am

1 stop18h 57m

$1,243

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Mon 6/23

6:26 pm-11:53 am

1 stop17h 27m

$170

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Wed 6/25

3:05 pm-11:02 am

2 stops19h 57m

$282

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Wed 7/9

3:55 pm-8:20 pm

Nonstop4h 25m

$345

Simpson BayWashington, D.C.

SXM - IAD

SXMIAD

Simpson Bay Princess Juliana

Wed 7/9

3:21 pm-11:16 pm

1 stop7h 55m

$350

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 11 results
1
2

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 June 12, 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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,451 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.9
Fair
3,295 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Frontier is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $288. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $538 and $572, respectively. These flights start at 60% lower than the current average price 3 months from now.

  • 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 Frontier ($170), United Airlines ($345), and Delta ($350).

  • 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 $220. While the most popular route (Simpson Bay Princess Juliana - Washington, D.C. Dulles Intl) can be booked for $538 on average our data indicates $502 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 July is currently the most expensive (average of $349). 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
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Sterling
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Simpson Bay to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Simpson Bay to Baltimore flights
Simpson Bay to Reagan-National flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.