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Cheap flights from Washington, D.C. Dulles Intl Airport to Simpson Bay from $144

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 7/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
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
$399American Airlines
Sun, May 31 - Fri, Jun 5
American Airlines Logo
8:22 pm - 1:50 pm
IAD
-
SXM
17h 28m
1 stop
American Airlines Logo
4:43 pm - 8:50 am
SXM
-
IAD
16h 07m
2 stops
$404American Airlines
Sun, May 31 - Fri, Jun 5
American Airlines Logo
5:03 am - 1:34 pm
IAD
-
SXM
8h 31m
1 stop
American Airlines Logo
1:34 pm - 8:49 am
SXM
-
IAD
19h 15m
2 stops
$409American Airlines
Wed, Jul 8 - Wed, Jul 15
American Airlines Logo
8:50 am - 1:51 pm
IAD
-
SXM
29h 01m
1 stop
American Airlines Logo
4:45 pm - 7:34 pm
SXM
-
IAD
26h 49m
2 stops
$410American Airlines
Sat, Jul 4 - Tue, Jul 7
American Airlines Logo
1:16 pm - 1:19 pm
IAD
-
SXM
24h 03m
2 stops
American Airlines Logo
4:45 pm - 7:40 pm
SXM
-
IAD
26h 55m
2 stops
$418American Airlines
Sat, Jul 18 - Thu, Jul 23
Copa Airlines Logo
2:21 am - 11:27 am
IAD
-
SXM
9h 06m
1 stop
Copa Airlines Logo
12:25 pm - 4:21 am
SXM
-
IAD
15h 56m
1 stop
$431Copa Airlines
Thu, May 28 - Wed, Jun 3
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
$434American Airlines
Sun, May 24 - Thu, May 28
American Airlines Logo
6:20 am - 1:50 pm
IAD
-
SXM
7h 30m
1 stop
American Airlines Logo
2:53 pm - 8:50 am
SXM
-
IAD
17h 57m
1 stop
$439American Airlines
Wed, May 27 - Wed, Jun 3
American Airlines Logo
6:20 am - 1:50 pm
IAD
-
SXM
7h 30m
1 stop
American Airlines Logo
1:40 pm - 12:13 am
SXM
-
IAD
10h 33m
2 stops
$444American Airlines
Wed, May 27 - Wed, Jun 3
Copa Airlines Logo
4:38 pm - 11:27 am
IAD
-
SXM
18h 49m
1 stop
Copa Airlines Logo
12:25 pm - 4:21 am
SXM
-
IAD
15h 56m
1 stop
$459Copa Airlines
Tue, Jun 9 - Sun, Jun 14

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
Jul 8
IAD8:17 amWashington, D.C. Dulles Intl
4h 16m
SXM12:33 pmSimpson Bay Princess Juliana
Jul 15
SXM3:50 pmSimpson Bay Princess Juliana
4h 27m
IAD8:17 pmWashington, D.C. Dulles Intl
$484
United Airlines
May 31
IAD6:33 amWashington, D.C. Dulles Intl
8h 10m
1 stop
SXM2:43 pmSimpson Bay Princess Juliana
Jun 3
SXM3:50 pmSimpson Bay Princess Juliana
4h 27m
IAD8:17 pmWashington, D.C. Dulles Intl
$489
United Airlines
Jun 15
IAD8:17 amWashington, D.C. Dulles Intl
4h 16m
SXM12:33 pmSimpson Bay Princess Juliana
Jun 19
SXM1:35 pmSimpson Bay Princess Juliana
9h 44m
1 stop
IAD11:19 pmWashington, D.C. Dulles Intl
$495

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Simpson Bay flight tickets
Delta
Jun 7
IAD6:00 amWashington, D.C. Dulles Intl
7h 53m
1 stop
SXM1:53 pmSimpson Bay Princess Juliana
Jun 10
SXM3:18 pmSimpson Bay Princess Juliana
18h 03m
1 stop
IAD9:21 amWashington, D.C. Dulles Intl
$499
Delta
May 27
IAD6:08 amWashington, D.C. Dulles Intl
7h 43m
1 stop
SXM1:51 pmSimpson Bay Princess Juliana
May 28
SXM3:20 pmSimpson Bay Princess Juliana
9h 31m
1 stop
IAD12:51 amWashington, D.C. Dulles Intl
$534
Delta
May 16
IAD6:08 amWashington, D.C. Dulles Intl
7h 43m
1 stop
SXM1:51 pmSimpson Bay Princess Juliana
May 21
SXM3:20 pmSimpson Bay Princess Juliana
9h 31m
1 stop
IAD12:51 amWashington, D.C. Dulles Intl
$670

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 May 10, 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

Sun 5/31

8:22 pm-1:50 pm

1 stop17h 28m

Simpson Bay Princess Juliana

Fri 6/5

2:53 pm-8:50 am

1 stop17h 57m

$399

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sun 5/31

8:22 pm-1:50 pm

1 stop17h 28m

Simpson Bay Princess Juliana

Fri 6/5

4:43 pm-8:50 am

2 stops16h 07m

$404

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Wed 7/8

5:03 am-1:34 pm

1 stop8h 31m

Simpson Bay Princess Juliana

Wed 7/15

1:34 pm-8:49 am

2 stops19h 15m

$409

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 7/4

8:50 am-1:51 pm

1 stop29h 01m

Simpson Bay Princess Juliana

Tue 7/7

4:45 pm-7:34 pm

2 stops26h 49m

$410

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 7/18

1:16 pm-1:19 pm

2 stops24h 03m

Simpson Bay Princess Juliana

Thu 7/23

4:45 pm-7:40 pm

2 stops26h 55m

$418

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Thu 5/28

2:21 am-11:27 am

1 stop9h 06m

Simpson Bay Princess Juliana

Wed 6/3

12:25 pm-4:21 am

1 stop15h 56m

$431

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

$434

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Wed 5/27

6:20 am-1:50 pm

1 stop7h 30m

Simpson Bay Princess Juliana

Wed 6/3

2:53 pm-8:50 am

1 stop17h 57m

$439
Quickest round-trip

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Wed 5/27

6:20 am-1:50 pm

1 stop7h 30m

Simpson Bay Princess Juliana

Wed 6/3

1:40 pm-12:13 am

2 stops10h 33m

$444

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Tue 6/9

4:38 pm-11:27 am

1 stop18h 49m

Simpson Bay Princess Juliana

Sun 6/14

12:25 pm-4:21 am

1 stop15h 56m

$459

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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Simpson Bay?

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 $564. If you aren’t able to travel to Simpson Bay during the month of August, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $588.

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

Our data shows that Friday is the least expensive day to fly to Simpson Bay. Tickets to fly out on this day can be as low as $644. Flights from Washington, D.C. Dulles Intl Airport to Simpson Bay on a Saturday will generally be more expensive and average around $739. 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 from Washington, D.C. Dulles Intl Airport to Simpson Bay?

You are more likely to see cheaper flights to Simpson Bay from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Simpson Bay for around $676 when searching weeks 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 $584 on momondo.

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

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Simpson Bay.

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

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

$200

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 $200. 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 $512.
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

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Simpson Bay

  • 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 $367Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
DeltaPriceFrom $399Free CancellationRating
7.9
8,454 reviews
Search Delta flights
United AirlinesPriceFrom $513Free CancellationRating
7.4
9,694 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 $513 round-trip. Over the 1 United Airlines flight for this route in a normal week, average airfare is usually $708 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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