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Cheap flights from Washington, D.C. Dulles Intl Airport to Simpson Bay from $181

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 10/30. 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

Air Canada Logo
4:30 pm - 4:00 pmIAD-SXM
22h 30m1 stop
Air Canada Logo
5:00 pm - 3:54 pmSXM-IAD
23h 54m1 stop
$448Air Canada
Find Deal
Thu, Dec 4 - Mon, Dec 8
Air Canada Logo
10:11 pm - 2:40 pmIAD-SXM
15h 29m2 stops
Air Canada Logo
5:00 pm - 3:54 pmSXM-IAD
23h 54m1 stop
$458Air Canada
Find Deal
Fri, Dec 5 - Mon, Dec 8
Air Canada Logo
9:45 am - 2:40 pmIAD-SXM
27h 55m1 stop
Air Canada Logo
5:00 pm - 9:20 pmSXM-IAD
29h 20m1 stop
$463Air Canada
Find Deal
Wed, Dec 3 - Mon, Dec 8
Copa Airlines Logo
2:25 am - 11:26 amIAD-SXM
9h 01m1 stop
Copa Airlines Logo
12:25 pm - 4:20 amSXM-IAD
15h 55m1 stop
$519Copa Airlines
Find Deal
Sat, Sep 20 - Sun, Sep 28
Copa Airlines Logo
2:25 am - 11:26 amIAD-SXM
9h 01m1 stop
Copa Airlines Logo
12:24 pm - 12:30 amSXM-IAD
12h 06m1 stop
$534Copa Airlines
Find Deal
Thu, Oct 9 - Fri, Oct 17
American Airlines Logo
8:14 pm - 1:55 pmIAD-SXM
16h 41m1 stop
American Airlines Logo
3:35 pm - 11:55 pmSXM-IAD
9h 20m1 stop
$547American Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10
American Airlines Logo
5:54 pm - 3:40 pmIAD-SXM
20h 46m2 stops
American Airlines Logo
4:45 pm - 12:45 pmSXM-IAD
21h 00m2 stops
$552American Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10
United Airlines Logo
8:39 am - 1:44 pmIAD-SXM
4h 05mnonstop
United Airlines Logo
4:55 pm - 8:27 pmSXM-IAD
4h 32mnonstop
$558United Airlines
Find Deal
Sun, Jan 18 - Sat, Feb 7
United Airlines Logo
6:00 am - 3:51 pmIAD-SXM
8h 51m1 stop
United Airlines Logo
4:55 pm - 8:27 pmSXM-IAD
4h 32mnonstop
$562United Airlines
Find Deal
Sun, Jan 18 - Sat, Feb 7
Delta Logo
7:20 am - 1:50 pmIAD-SXM
6h 30m1 stop
Delta Logo
3:20 pm - 12:13 amSXM-IAD
8h 53m1 stop
$572Delta
Find Deal
Sun, Sep 21 - Sun, Sep 28

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

Our best Copa Airlines deals on Washington, D.C. Dulles Intl Airport to Simpson Bay flight tickets
Copa Airlines
Sep 20
IAD2:25 amWashington, D.C. Dulles Intl
9h 01m
1 stop
SXM11:26 amSimpson Bay Princess Juliana
Sep 28
SXM12:25 pmSimpson Bay Princess Juliana
15h 55m
1 stop
IAD4:20 amWashington, D.C. Dulles Intl
$519
Find similar
Copa Airlines
Oct 9
IAD2:25 amWashington, D.C. Dulles Intl
9h 01m
1 stop
SXM11:26 amSimpson Bay Princess Juliana
Oct 17
SXM12:24 pmSimpson Bay Princess Juliana
12h 06m
1 stop
IAD12:30 amWashington, D.C. Dulles Intl
$534
Find similar
Copa Airlines
Sep 25
IAD9:35 amWashington, D.C. Dulles Intl
25h 51m
1 stop
SXM11:26 amSimpson Bay Princess Juliana
Oct 1
SXM12:24 pmSimpson Bay Princess Juliana
12h 06m
1 stop
IAD12:30 amWashington, D.C. Dulles Intl
$548
Find similar

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
Sep 21
IAD7:20 amWashington, D.C. Dulles Intl
6h 30m
1 stop
SXM1:50 pmSimpson Bay Princess Juliana
Sep 28
SXM3:20 pmSimpson Bay Princess Juliana
8h 53m
1 stop
IAD12:13 amWashington, D.C. Dulles Intl
$572
Find similar
Delta
Sep 3
IAD6:00 amWashington, D.C. Dulles Intl
7h 45m
1 stop
SXM1:45 pmSimpson Bay Princess Juliana
Sep 7
SXM3:21 pmSimpson Bay Princess Juliana
8h 00m
1 stop
IAD11:21 pmWashington, D.C. Dulles Intl
$747
Find similar
Delta
Sep 1
IAD6:00 amWashington, D.C. Dulles Intl
7h 45m
1 stop
SXM1:45 pmSimpson Bay Princess Juliana
Sep 7
SXM3:21 pmSimpson Bay Princess Juliana
8h 00m
1 stop
IAD11:21 pmWashington, D.C. Dulles Intl
$752
Find similar

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 August 20, 2025.
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

Thu 12/4

4:30 pm-4:00 pm

1 stop22h 30m

Simpson Bay Princess Juliana

Mon 12/8

5:00 pm-3:54 pm

1 stop23h 54m

$448

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Fri 12/5

10:11 pm-2:40 pm

2 stops15h 29m

Simpson Bay Princess Juliana

Mon 12/8

5:00 pm-3:54 pm

1 stop23h 54m

$458

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Wed 12/3

9:45 am-2:40 pm

1 stop27h 55m

Simpson Bay Princess Juliana

Mon 12/8

5:00 pm-9:20 pm

1 stop29h 20m

$463

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 9/20

2:25 am-11:26 am

1 stop9h 01m

Simpson Bay Princess Juliana

Sun 9/28

12:25 pm-4:20 am

1 stop15h 55m

$519

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Thu 10/9

2:25 am-11:26 am

1 stop9h 01m

Simpson Bay Princess Juliana

Fri 10/17

12:24 pm-12:30 am

1 stop12h 06m

$534

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 12/6

8:14 pm-1:55 pm

1 stop16h 41m

Simpson Bay Princess Juliana

Wed 12/10

3:35 pm-11:55 pm

1 stop9h 20m

$547

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 12/6

5:54 pm-3:40 pm

2 stops20h 46m

Simpson Bay Princess Juliana

Wed 12/10

4:45 pm-12:45 pm

2 stops21h 00m

$552

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sun 1/18

8:39 am-1:44 pm

Nonstop4h 05m

Simpson Bay Princess Juliana

Sat 2/7

4:55 pm-8:27 pm

Nonstop4h 32m

$558

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sun 1/18

6:00 am-3:51 pm

1 stop8h 51m

Simpson Bay Princess Juliana

Sat 2/7

4:55 pm-8:27 pm

Nonstop4h 32m

$562

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sun 9/21

7:20 am-1:50 pm

1 stop6h 30m

Simpson Bay Princess Juliana

Sun 9/28

3:20 pm-12:13 am

1 stop8h 53m

$572

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, September 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 $582. If you aren’t able to travel to Simpson Bay during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $629.

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 $656. Flights from Washington, D.C. Dulles Intl Airport to Simpson Bay on a Tuesday will generally be more expensive and average around $905. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Simpson Bay is at noon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Simpson Bay at noon for as low as $411. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Simpson Bay is in the morning when prices are around $771.

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 weeks ahead of your departure date. In general, you can expect to find flights to Simpson Bay for around $750 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 $630 on momondo.

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

There are 2 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 67% 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 August 2025, prices for Washington, D.C. Dulles Intl Airport to Simpson Bay flights are approximately 67% 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

$706

Fastest flight time

4h 09m

Direct flights

Mon, Tue, Wed, Thu and Sun

Airports in Simpson Bay

1 airport
The best flight deal from Washington, D.C. Dulles Intl Airport to Simpson Bay found on momondo in the last 72 hours is $706
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 on Monday, Tuesday, Wednesday, Thursday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Simpson Bay: 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 05m.

  • 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
DeltaPriceFrom $544Free CancellationRating
7.9
7,982 reviews
Search Delta flights
American AirlinesPriceFrom $549Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $550Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights

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.

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