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Cheap flights from Washington, D.C. Dulles Intl Airport to Simpson Bay from $103

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 1/10. 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.
Multiple Airlines Logo
3:37 pm - 2:10 pm
IAD
-
SXM
21h 33m2 stops
Multiple Airlines Logo
1:45 pm - 2:42 pm
SXM
-
IAD
25h 57m1 stop
$367Multiple Airlines
Mon, Feb 23 - Sun, Mar 1
Multiple Airlines Logo
10:05 pm - 1:35 pm
IAD
-
SXM
15h 30m1 stop
Multiple Airlines Logo
3:40 pm - 6:43 pm
SXM
-
IAD
27h 03m1 stop
$421Multiple Airlines
Mon, Apr 6 - Sat, Apr 11
Multiple Airlines Logo
5:17 pm - 1:35 pm
IAD
-
SXM
20h 18m2 stops
Multiple Airlines Logo
3:40 pm - 6:43 pm
SXM
-
IAD
27h 03m1 stop
$427Multiple Airlines
Mon, Apr 6 - Sat, Apr 11
Multiple Airlines Logo
8:20 pm - 12:45 pm
IAD
-
SXM
15h 25m1 stop
Multiple Airlines Logo
11:30 am - 7:25 pm
SXM
-
IAD
32h 55m2 stops
$435Multiple Airlines
Mon, Feb 23 - Sun, Mar 1
Multiple Airlines Logo
5:33 pm - 1:59 pm
IAD
-
SXM
19h 26m1 stop
Multiple Airlines Logo
5:00 pm - 4:30 pm
SXM
-
IAD
24h 30m1 stop
$438Multiple Airlines
Fri, Jan 23 - Mon, Jan 26
Multiple Airlines Logo
5:33 pm - 1:59 pm
IAD
-
SXM
19h 26m1 stop
Multiple Airlines Logo
5:00 pm - 11:35 am
SXM
-
IAD
19h 35m2 stops
$441Multiple Airlines
Fri, Jan 23 - Mon, Jan 26
Air Canada Logo
9:45 am - 2:40 pm
IAD
-
SXM
27h 55m1 stop
Air Canada Logo
5:00 pm - 9:25 pm
SXM
-
IAD
29h 25m1 stop
$447Air Canada
Mon, Jan 5 - Mon, Jan 12
Multiple Airlines Logo
5:33 pm - 1:59 pm
IAD
-
SXM
19h 26m1 stop
Multiple Airlines Logo
3:40 pm - 8:54 pm
SXM
-
IAD
30h 14m1 stop
$449Multiple Airlines
Fri, Jan 23 - Sun, Jan 25
Air Canada Logo
10:08 pm - 2:40 pm
IAD
-
SXM
15h 32m2 stops
Air Canada Logo
5:00 pm - 8:54 pm
SXM
-
IAD
28h 54m2 stops
$450Air Canada
Mon, Jan 5 - Mon, Jan 12
Multiple Airlines Logo
5:33 pm - 1:59 pm
IAD
-
SXM
19h 26m1 stop
Multiple Airlines Logo
5:00 pm - 3:46 pm
SXM
-
IAD
23h 46m1 stop
$456Multiple Airlines
Fri, Jan 23 - Fri, Jan 30

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
Feb 5
IAD3:35 pmWashington, D.C. Dulles Intl
18h 49m
1 stop
SXM11:24 amSimpson Bay Princess Juliana
Feb 9
SXM12:25 pmSimpson Bay Princess Juliana
12h 07m
1 stop
IAD11:32 pmWashington, D.C. Dulles Intl
$519
Find similar
Copa Airlines
Feb 15
IAD3:35 pmWashington, D.C. Dulles Intl
18h 49m
1 stop
SXM11:24 amSimpson Bay Princess Juliana
Feb 22
SXM12:25 pmSimpson Bay Princess Juliana
15h 50m
1 stop
IAD3:15 amWashington, D.C. Dulles Intl
$555
Find similar

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 12
IAD8:41 amWashington, D.C. Dulles Intl
4h 09m
SXM12:50 pmSimpson Bay Princess Juliana
Mar 18
SXM3:55 pmSimpson Bay Princess Juliana
4h 35m
IAD8:30 pmWashington, D.C. Dulles Intl
$523
Find similar
United Airlines
Mar 12
IAD6:00 amWashington, D.C. Dulles Intl
8h 51m
1 stop
SXM2:51 pmSimpson Bay Princess Juliana
Mar 18
SXM3:55 pmSimpson Bay Princess Juliana
4h 35m
IAD8:30 pmWashington, D.C. Dulles Intl
$527
Find similar
United Airlines
Feb 1
IAD8:17 amWashington, D.C. Dulles Intl
6h 34m
1 stop
SXM3:51 pmSimpson Bay Princess Juliana
Feb 12
SXM2:52 pmSimpson Bay Princess Juliana
9h 29m
1 stop
IAD11:21 pmWashington, D.C. Dulles Intl
$537
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 December 11, 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

Mon 2/23

3:37 pm-2:10 pm

2 stops21h 33m

Simpson Bay Princess Juliana

Sun 3/1

1:45 pm-2:42 pm

1 stop25h 57m

$367

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 4/6

10:05 pm-1:35 pm

1 stop15h 30m

Simpson Bay Princess Juliana

Sat 4/11

3:40 pm-6:43 pm

1 stop27h 03m

$421

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 4/6

5:17 pm-1:35 pm

2 stops20h 18m

Simpson Bay Princess Juliana

Sat 4/11

3:40 pm-6:43 pm

1 stop27h 03m

$427

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 2/23

8:20 pm-12:45 pm

1 stop15h 25m

Simpson Bay Princess Juliana

Sun 3/1

11:30 am-7:25 pm

2 stops32h 55m

$435

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Fri 1/23

5:33 pm-1:59 pm

1 stop19h 26m

Simpson Bay Princess Juliana

Mon 1/26

5:00 pm-4:30 pm

1 stop24h 30m

$438

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Fri 1/23

5:33 pm-1:59 pm

1 stop19h 26m

Simpson Bay Princess Juliana

Mon 1/26

5:00 pm-11:35 am

2 stops19h 35m

$441

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 1/5

9:45 am-2:40 pm

1 stop27h 55m

Simpson Bay Princess Juliana

Mon 1/12

5:00 pm-9:25 pm

1 stop29h 25m

$447

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Fri 1/23

5:33 pm-1:59 pm

1 stop19h 26m

Simpson Bay Princess Juliana

Sun 1/25

3:40 pm-8:54 pm

1 stop30h 14m

$449

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 1/5

10:08 pm-2:40 pm

2 stops15h 32m

Simpson Bay Princess Juliana

Mon 1/12

5:00 pm-8:54 pm

2 stops28h 54m

$450

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Fri 1/23

5:33 pm-1:59 pm

1 stop19h 26m

Simpson Bay Princess Juliana

Fri 1/30

5:00 pm-3:46 pm

1 stop23h 46m

$456

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 May is also cheap. Prices for this month can be found on momondo for an average of $665.

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 $747.

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 $738 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 $518 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 44% 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 December 2025, prices for Washington, D.C. Dulles Intl Airport to Simpson Bay flights are approximately 38% 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

$368

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 $368. 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 $633.
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
DeltaPriceFrom $547Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $557Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $563Free CancellationRating
7.4
9,095 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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