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Cheap flights from Washington, D.C. Dulles Intl Airport to Simpson Bay from $74

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Simpson Bay departing on 4/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Simpson Bay

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:25 am - 3:22 pm
IAD
-
SXM
8h 57m
2 stops
American Airlines Logo
12:41 pm - 9:00 am
SXM
-
IAD
20h 19m
2 stops
$385American Airlines
Wed, May 6 - Wed, May 20
American Airlines Logo
8:11 pm - 2:26 pm
IAD
-
SXM
18h 15m
1 stop
American Airlines Logo
2:24 pm - 11:06 pm
SXM
-
IAD
8h 42m
1 stop
$386American Airlines
Fri, May 15 - Tue, May 19
American Airlines Logo
8:11 pm - 3:22 pm
IAD
-
SXM
19h 11m
2 stops
American Airlines Logo
4:35 pm - 7:25 pm
SXM
-
IAD
26h 50m
2 stops
$387American Airlines
Sun, May 3 - Sun, May 10
American Airlines Logo
9:19 am - 11:37 am
IAD
-
SXM
26h 18m
2 stops
American Airlines Logo
3:32 pm - 8:49 am
SXM
-
IAD
17h 17m
1 stop
$389American Airlines
Wed, Apr 29 - Sat, May 2
American Airlines Logo
1:08 pm - 3:46 pm
IAD
-
SXM
26h 38m
2 stops
American Airlines Logo
4:46 pm - 7:37 pm
SXM
-
IAD
26h 51m
2 stops
$403American Airlines
Wed, Jul 22 - Mon, Jul 27
American Airlines Logo
8:22 pm - 1:50 pm
IAD
-
SXM
17h 28m
1 stop
American Airlines Logo
2:53 pm - 8:50 am
SXM
-
IAD
17h 57m
1 stop
$425American Airlines
Sun, May 24 - Thu, May 28
Air Canada Logo
12:38 pm - 1:35 pm
IAD
-
SXM
24h 57m
2 stops
Air Canada Logo
2:40 pm - 7:40 pm
SXM
-
IAD
29h 00m
1 stop
$426Air Canada
Sat, Apr 4 - Tue, Apr 7
American Airlines Logo
8:22 pm - 1:50 pm
IAD
-
SXM
17h 28m
1 stop
American Airlines Logo
2:53 pm - 12:13 am
SXM
-
IAD
9h 20m
1 stop
$429American Airlines
Sun, May 24 - Thu, May 28
Air Canada Logo
9:55 am - 1:35 pm
IAD
-
SXM
27h 40m
1 stop
Air Canada Logo
4:00 pm - 7:50 am
SXM
-
IAD
15h 50m
2 stops
$431Air Canada
Mon, Apr 6 - Fri, Apr 10
Air Canada Logo
12:40 pm - 2:55 pm
IAD
-
SXM
26h 15m
2 stops
Air Canada Logo
2:40 pm - 7:40 pm
SXM
-
IAD
29h 00m
1 stop
$434Air Canada
Sun, Apr 5 - Tue, Apr 7

United Airlines flights from Washington, D.C. Dulles Intl Airport to Simpson Bay

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Simpson Bay flight tickets
United Airlines
May 24
IAD8:17 amWashington, D.C. Dulles Intl
4h 16m
SXM12:33 pmSimpson Bay Princess Juliana
May 29
SXM1:35 pmSimpson Bay Princess Juliana
9h 44m
1 stop
IAD11:19 pmWashington, D.C. Dulles Intl
$401
United Airlines
Apr 18
IAD8:15 amWashington, D.C. Dulles Intl
4h 12m
SXM12:27 pmSimpson Bay Princess Juliana
Apr 22
SXM3:50 pmSimpson Bay Princess Juliana
4h 27m
IAD8:17 pmWashington, D.C. Dulles Intl
$435
United Airlines
May 16
IAD6:00 amWashington, D.C. Dulles Intl
8h 43m
1 stop
SXM2:43 pmSimpson Bay Princess Juliana
May 21
SXM3:50 pmSimpson Bay Princess Juliana
4h 27m
IAD8:17 pmWashington, D.C. Dulles Intl
$441

American Airlines flights from Washington, D.C. Dulles Intl Airport to Simpson Bay

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Simpson Bay flight tickets
American Airlines
May 6
IAD6:25 amWashington, D.C. Dulles Intl
8h 57m
2 stops
SXM3:22 pmSimpson Bay Princess Juliana
May 20
SXM12:41 pmSimpson Bay Princess Juliana
20h 19m
2 stops
IAD9:00 amWashington, D.C. Dulles Intl
$385
American Airlines
May 15
IAD8:11 pmWashington, D.C. Dulles Intl
18h 15m
1 stop
SXM2:26 pmSimpson Bay Princess Juliana
May 19
SXM2:24 pmSimpson Bay Princess Juliana
8h 42m
1 stop
IAD11:06 pmWashington, D.C. Dulles Intl
$386
American Airlines
Apr 22
IAD6:25 amWashington, D.C. Dulles Intl
8h 57m
2 stops
SXM3:22 pmSimpson Bay Princess Juliana
Apr 25
SXM3:32 pmSimpson Bay Princess Juliana
8h 27m
1 stop
IAD11:59 pmWashington, D.C. Dulles Intl
$387

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Simpson Bay 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, momondo users made 832,500 searches. Data last updated March 24, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Simpson Bay that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Wed 5/6

6:25 am-3:22 pm

2 stops8h 57m

Simpson Bay Princess Juliana

Wed 5/20

12:41 pm-9:00 am

2 stops20h 19m

$385

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Fri 5/15

8:11 pm-2:26 pm

1 stop18h 15m

Simpson Bay Princess Juliana

Tue 5/19

2:24 pm-11:06 pm

1 stop8h 42m

$386

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sun 5/3

8:11 pm-3:22 pm

2 stops19h 11m

Simpson Bay Princess Juliana

Sun 5/10

4:35 pm-7:25 pm

2 stops26h 50m

$387

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Wed 4/29

9:19 am-11:37 am

2 stops26h 18m

Simpson Bay Princess Juliana

Sat 5/2

3:32 pm-8:49 am

1 stop17h 17m

$389

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Wed 7/22

1:08 pm-3:46 pm

2 stops26h 38m

Simpson Bay Princess Juliana

Mon 7/27

4:46 pm-7:37 pm

2 stops26h 51m

$403

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sun 5/24

8:22 pm-1:50 pm

1 stop17h 28m

Simpson Bay Princess Juliana

Thu 5/28

2:53 pm-8:50 am

1 stop17h 57m

$425

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 4/4

12:38 pm-1:35 pm

2 stops24h 57m

Simpson Bay Princess Juliana

Tue 4/7

2:40 pm-7:40 pm

1 stop29h 00m

$426
Quickest round-trip

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sun 5/24

8:22 pm-1:50 pm

1 stop17h 28m

Simpson Bay Princess Juliana

Thu 5/28

2:53 pm-12:13 am

1 stop9h 20m

$429

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 4/6

9:55 am-1:35 pm

1 stop27h 40m

Simpson Bay Princess Juliana

Fri 4/10

4:00 pm-7:50 am

2 stops15h 50m

$431

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sun 4/5

12:40 pm-2:55 pm

2 stops26h 15m

Simpson Bay Princess Juliana

Tue 4/7

2:40 pm-7:40 pm

1 stop29h 00m

$434

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Simpson Bay from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Simpson Bay

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Simpson Bay?

In general, August is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Simpson Bay. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $616. If you aren’t able to travel to Simpson Bay during the month of August, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $645.

What is the cheapest day to depart on your flight to Simpson Bay?

Our data shows that Thursday is the least expensive day to fly to Simpson Bay. Tickets to fly out on this day can be as low as $652. Flights from Washington, D.C. Dulles Intl Airport to Simpson Bay on a Tuesday will generally be more expensive and average around $747. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest Washington, D.C. Dulles Intl to Simpson Bay Princess Juliana flight route?

Fly from Washington, D.C. Dulles Intl to Simpson Bay Princess Juliana for the best Washington, D.C. Dulles Intl - Simpson Bay Princess Juliana flight prices

How far in advance should I book a flight to Simpson Bay?

You are more likely to see cheaper flights to Simpson Bay from Washington, D.C. Dulles Intl Airport when booking week ahead of your departure date. In general, you can expect to find flights to Simpson Bay for around $710 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Simpson Bay from Washington, D.C. Dulles Intl Airport for as low as $620 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to Simpson Bay Princess Juliana flights?

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Simpson Bay Princess Juliana flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Simpson Bay flights?

You could potentially save up to 19% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Simpson Bay flight.

How have Washington, D.C. Dulles Intl Airport to Simpson Bay flight prices changed over time?

As of March 2026, prices for Washington, D.C. Dulles Intl Airport to Simpson Bay flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Simpson Bay

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Simpson Bay according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Simpson Bay (IAD to SXM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Simpson Bay

Best Price Found

$254

Fastest flight time

4h 09m

Direct flights

Every day

Airports in Simpson Bay

1 airport
The best one-way flight to Simpson Bay from Washington, D.C. Dulles Intl Airport in the past 72 hours is $254. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Simpson Bay found on momondo in the last 72 hours is $580.
The fastest flight from Washington, D.C. Dulles Intl Airport to Simpson Bay takes 4h 09m
Direct flights go from Washington, D.C. Dulles Intl Airport to Simpson Bay every day.
There is 1 airport in Simpson Bay. From Washington, D.C. Dulles Intl Airport there are direct flights to Simpson Bay Princess Juliana (SXM).
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Simpson Bay Princess Juliana by plane?

    Washington, D.C. Dulles Intl and Simpson Bay Princess Juliana are 1680.5 mi apart from one another. A reasonable flight in good conditions will take 4h 09m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Simpson Bay Princess Juliana Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Simpson Bay Princess Juliana Airport are updated daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Simpson Bay Princess Juliana Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Simpson Bay Princess Juliana Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Simpson Bay Princess Juliana Airport.

  • What documentation or ID do you need to fly to Simpson Bay Princess Juliana Airport?

    The travel and health documents required for your trip to Simpson Bay Princess Juliana Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Simpson Bay Princess Juliana Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Simpson Bay?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Simpson Bay?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Simpson Bay

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Simpson Bay with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $403Free CancellationRating
7.1
11,492 reviews
Search American Airlines flights
DeltaPriceFrom $547Free CancellationRating
7.9
8,320 reviews
Search Delta flights
United AirlinesPriceFrom $547Free CancellationRating
7.4
9,467 reviews
Search United Airlines flights

  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Simpson Bay

    United Airlines flight deals from Washington, D.C. Dulles Intl Airport to Simpson Bay start from $547 round-trip. Over the 6 United Airlines flights for this route in a normal week, average airfare is usually $711 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near Simpson Bay?

Book flights to Simpson Bay if you plan to visit one of these locations
Philipsburg

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Simpson Bay?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Simpson Bay for you.

Can I find flights from Washington, D.C. to Simpson Bay with flexible booking policies on momondo?

Flights from Washington, D.C. to Simpson Bay with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Simpson Bay?

momondo provides multiple filters to help you find the best flight to Simpson Bay from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Washington, D.C. to Simpson Bay right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Simpson Bay, momondo offers a useful price alert feature which will track prices for flights to Simpson Bay from Washington, D.C. and alert you when they change.

An easier way to manage your Simpson Bay trip

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