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Cheap flights from Washington, D.C. Dulles Intl Airport to Simpson Bay from $146

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 3/29. 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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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.
Air Canada Logo
9:55 am - 2:00 pm
IAD
-
SXM
28h 05m
1 stop
Air Canada Logo
3:05 pm - 2:10 pm
SXM
-
IAD
23h 05m
1 stop
$447Air Canada
Wed, Jun 3 - Thu, Jun 11
Air Canada Logo
10:09 pm - 2:00 pm
IAD
-
SXM
15h 51m
2 stops
Air Canada Logo
3:05 pm - 7:44 am
SXM
-
IAD
16h 39m
2 stops
$449Air Canada
Wed, Jun 3 - Thu, Jun 11
Air Canada Logo
9:00 am - 1:40 pm
IAD
-
SXM
28h 40m
2 stops
Air Canada Logo
4:00 pm - 9:23 pm
SXM
-
IAD
29h 23m
2 stops
$452Air Canada
Wed, Mar 11 - Fri, Mar 13
Multiple Airlines Logo
9:45 am - 2:40 pm
IAD
-
SXM
27h 55m
1 stop
Multiple Airlines Logo
3:20 pm - 11:23 am
SXM
-
IAD
21h 03m
3 stops
$454Multiple Airlines
Mon, Feb 23 - Wed, Mar 4
Air Canada Logo
5:11 pm - 1:35 pm
IAD
-
SXM
20h 24m
2 stops
Air Canada Logo
4:00 pm - 3:39 pm
SXM
-
IAD
23h 39m
1 stop
$459Air Canada
Sat, Mar 28 - Wed, Apr 1
Air Canada Logo
5:11 pm - 1:35 pm
IAD
-
SXM
20h 24m
2 stops
Air Canada Logo
4:00 pm - 3:39 pm
SXM
-
IAD
23h 39m
1 stop
$460Air Canada
Sat, Mar 28 - Wed, Apr 1
Air Canada Logo
4:30 pm - 3:00 pm
IAD
-
SXM
22h 30m
1 stop
Air Canada Logo
4:00 pm - 3:39 pm
SXM
-
IAD
23h 39m
1 stop
$462Air Canada
Tue, Mar 24 - Tue, Mar 31
Air Canada Logo
9:55 am - 1:40 pm
IAD
-
SXM
27h 45m
1 stop
Air Canada Logo
2:40 pm - 8:54 pm
SXM
-
IAD
30h 14m
1 stop
$464Air Canada
Sat, Mar 21 - Thu, Mar 26
Air Canada Logo
5:11 pm - 1:35 pm
IAD
-
SXM
20h 24m
2 stops
Air Canada Logo
4:00 pm - 4:30 pm
SXM
-
IAD
24h 30m
2 stops
$465Air Canada
Sat, Mar 28 - Wed, Apr 1
Air Canada Logo
9:45 am - 2:40 pm
IAD
-
SXM
27h 55m
1 stop
Air Canada Logo
3:40 pm - 8:54 pm
SXM
-
IAD
30h 14m
1 stop
$467Air Canada
Sat, Feb 21 - Tue, Feb 24

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

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Simpson Bay flight tickets
Air Canada
Jun 3
IAD9:55 amWashington, D.C. Dulles Intl
28h 05m
1 stop
SXM2:00 pmSimpson Bay Princess Juliana
Jun 11
SXM3:05 pmSimpson Bay Princess Juliana
23h 05m
1 stop
IAD2:10 pmWashington, D.C. Dulles Intl
$447
Air Canada
Jun 3
IAD9:55 amWashington, D.C. Dulles Intl
28h 05m
1 stop
SXM2:00 pmSimpson Bay Princess Juliana
Jun 11
SXM3:05 pmSimpson Bay Princess Juliana
29h 24m
1 stop
IAD8:29 pmWashington, D.C. Dulles Intl
$449
Air Canada
Mar 11
IAD9:00 amWashington, D.C. Dulles Intl
28h 40m
2 stops
SXM1:40 pmSimpson Bay Princess Juliana
Mar 13
SXM4:00 pmSimpson Bay Princess Juliana
29h 23m
2 stops
IAD9:23 pmWashington, D.C. Dulles Intl
$452

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
Mar 22
IAD8:41 amWashington, D.C. Dulles Intl
4h 09m
SXM12:50 pmSimpson Bay Princess Juliana
Mar 29
SXM3:50 pmSimpson Bay Princess Juliana
4h 27m
IAD8:17 pmWashington, D.C. Dulles Intl
$470
United Airlines
Mar 22
IAD6:00 amWashington, D.C. Dulles Intl
6h 18m
1 stop
SXM12:18 pmSimpson Bay Princess Juliana
Mar 29
SXM3:50 pmSimpson Bay Princess Juliana
4h 27m
IAD8:17 pmWashington, D.C. Dulles Intl
$475
United Airlines
Mar 1
IAD8:41 amWashington, D.C. Dulles Intl
4h 09m
SXM1:50 pmSimpson Bay Princess Juliana
Mar 8
SXM1:20 pmSimpson Bay Princess Juliana
10h 39m
1 stop
IAD11:59 pmWashington, D.C. Dulles Intl
$481

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 February 7, 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

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Wed 6/3

9:55 am-2:00 pm

1 stop28h 05m

Simpson Bay Princess Juliana

Thu 6/11

3:05 pm-2:10 pm

1 stop23h 05m

$447

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Wed 6/3

10:09 pm-2:00 pm

2 stops15h 51m

Simpson Bay Princess Juliana

Thu 6/11

3:05 pm-7:44 am

2 stops16h 39m

$449

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Wed 3/11

9:00 am-1:40 pm

2 stops28h 40m

Simpson Bay Princess Juliana

Fri 3/13

4:00 pm-9:23 pm

2 stops29h 23m

$452

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 2/23

9:45 am-2:40 pm

1 stop27h 55m

Simpson Bay Princess Juliana

Wed 3/4

3:20 pm-11:23 am

3 stops21h 03m

$454

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 3/28

5:11 pm-1:35 pm

2 stops20h 24m

Simpson Bay Princess Juliana

Wed 4/1

4:00 pm-3:39 pm

1 stop23h 39m

$459

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 3/28

5:11 pm-1:35 pm

2 stops20h 24m

Simpson Bay Princess Juliana

Wed 4/1

4:00 pm-3:39 pm

1 stop23h 39m

$460

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Tue 3/24

4:30 pm-3:00 pm

1 stop22h 30m

Simpson Bay Princess Juliana

Tue 3/31

4:00 pm-3:39 pm

1 stop23h 39m

$462

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 3/21

9:55 am-1:40 pm

1 stop27h 45m

Simpson Bay Princess Juliana

Thu 3/26

2:40 pm-8:54 pm

1 stop30h 14m

$464

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 3/28

5:11 pm-1:35 pm

2 stops20h 24m

Simpson Bay Princess Juliana

Wed 4/1

4:00 pm-4:30 pm

2 stops24h 30m

$465

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 2/21

9:45 am-2:40 pm

1 stop27h 55m

Simpson Bay Princess Juliana

Tue 2/24

3:40 pm-8:54 pm

1 stop30h 14m

$467

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 $603. 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 $653.

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

Our data shows that Wednesday is the least expensive day to fly to Simpson Bay. Tickets to fly out on this day can be as low as $667. Flights from Washington, D.C. Dulles Intl Airport to Simpson Bay on a Saturday will generally be more expensive and average around $771. 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 $287 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 15% 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 February 2026, prices for Washington, D.C. Dulles Intl Airport to Simpson Bay flights are approximately 13% more expensive 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

$376

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 $376. 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 $555.
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
United AirlinesPriceFrom $542Free CancellationRating
7.4
9,250 reviews
Search United Airlines flights
American AirlinesPriceFrom $547Free CancellationRating
7.2
11,248 reviews
Search American Airlines flights
DeltaPriceFrom $547Free CancellationRating
7.9
8,169 reviews
Search Delta 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 $542 round-trip. Over the 2 United Airlines flights for this route in a normal week, average airfare is usually $731 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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