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Cheap flights from Washington, D.C. Dulles Intl Airport to Simpson Bay from $152

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 1/8. 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
4:00 pm - 11:28 amIAD-SXM
42h 28m2 stops
Multiple Airlines Logo
1:45 pm - 7:11 pmSXM-IAD
6h 26m1 stop
$469Multiple Airlines
Find Deal
Mon, Nov 10 - Fri, Nov 21
Multiple Airlines Logo
5:19 pm - 2:15 pmIAD-SXM
19h 56m2 stops
Multiple Airlines Logo
1:45 pm - 7:31 pmSXM-IAD
6h 46m1 stop
$484Multiple Airlines
Find Deal
Fri, Dec 12 - Fri, Dec 19
Air Canada Logo
9:45 am - 2:40 pmIAD-SXM
27h 55m1 stop
Air Canada Logo
3:40 pm - 8:59 pmSXM-IAD
30h 19m1 stop
$485Air Canada
Find Deal
Fri, Dec 12 - Tue, Dec 16
Air Canada Logo
4:30 pm - 4:00 pmIAD-SXM
22h 30m1 stop
Air Canada Logo
3:40 pm - 11:35 amSXM-IAD
20h 55m1 stop
$486Air Canada
Find Deal
Thu, Dec 11 - Thu, Dec 18
United Airlines Logo
6:00 am - 1:50 pmIAD-SXM
6h 50m1 stop
United Airlines Logo
3:55 pm - 8:30 pmSXM-IAD
4h 35mnonstop
$527United Airlines
Find Deal
Wed, Feb 25 - Mon, Mar 9
Delta Logo
6:00 am - 2:55 pmIAD-SXM
7h 55m1 stop
Delta Logo
4:20 pm - 12:16 amSXM-IAD
8h 56m1 stop
$537Delta
Find Deal
Mon, Nov 17 - Fri, Nov 21
American Airlines Logo
6:35 am - 1:59 pmIAD-SXM
6h 24m1 stop
American Airlines Logo
3:09 pm - 11:12 pmSXM-IAD
9h 03m1 stop
$547American Airlines
Find Deal
Tue, Dec 30 - Thu, Jan 8
American Airlines Logo
2:06 pm - 2:08 pmIAD-SXM
23h 02m2 stops
American Airlines Logo
1:41 pm - 11:28 pmSXM-IAD
10h 47m2 stops
$552American Airlines
Find Deal
Sat, Feb 21 - Wed, Feb 25
Delta Logo
6:00 am - 2:55 pmIAD-SXM
7h 55m1 stop
Delta Logo
4:20 pm - 9:10 amSXM-IAD
17h 50m1 stop
$562Delta
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Tue, Nov 18 - Mon, Nov 24
United Airlines Logo
6:00 am - 1:50 pmIAD-SXM
6h 50m1 stop
United Airlines Logo
4:55 pm - 8:30 pmSXM-IAD
4h 35mnonstop
$568United Airlines
Find Deal
Wed, Dec 17 - Mon, Dec 22

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
15h 50m
1 stop
IAD3:15 amWashington, D.C. Dulles Intl
$519
Find similar
Copa Airlines
Dec 6
IAD1:13 amWashington, D.C. Dulles Intl
9h 15m
1 stop
SXM11:28 amSimpson Bay Princess Juliana
Dec 10
SXM12:24 pmSimpson Bay Princess Juliana
15h 58m
1 stop
IAD3:22 amWashington, D.C. Dulles Intl
$555
Find similar
Copa Airlines
Nov 11
IAD3:24 pmWashington, D.C. Dulles Intl
19h 04m
1 stop
SXM11:28 amSimpson Bay Princess Juliana
Nov 16
SXM12:24 pmSimpson Bay Princess Juliana
15h 58m
1 stop
IAD3:22 amWashington, D.C. Dulles Intl
$737
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
Feb 25
IAD6:00 amWashington, D.C. Dulles Intl
6h 50m
1 stop
SXM1:50 pmSimpson Bay Princess Juliana
Mar 9
SXM3:55 pmSimpson Bay Princess Juliana
4h 35m
IAD8:30 pmWashington, D.C. Dulles Intl
$527
Find similar
United Airlines
Dec 17
IAD6:00 amWashington, D.C. Dulles Intl
6h 50m
1 stop
SXM1:50 pmSimpson Bay Princess Juliana
Dec 22
SXM4:55 pmSimpson Bay Princess Juliana
4h 35m
IAD8:30 pmWashington, D.C. Dulles Intl
$568
Find similar
United Airlines
Nov 11
IAD6:00 amWashington, D.C. Dulles Intl
6h 50m
1 stop
SXM1:50 pmSimpson Bay Princess Juliana
Nov 16
SXM3:00 pmSimpson Bay Princess Juliana
9h 59m
1 stop
IAD11:59 pmWashington, D.C. Dulles Intl
$742
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 October 28, 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 11/10

4:00 pm-11:28 am

2 stops42h 28m

Simpson Bay Princess Juliana

Fri 11/21

1:45 pm-7:11 pm

1 stop6h 26m

$469

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Fri 12/12

5:19 pm-2:15 pm

2 stops19h 56m

Simpson Bay Princess Juliana

Fri 12/19

1:45 pm-7:31 pm

1 stop6h 46m

$484

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Fri 12/12

9:45 am-2:40 pm

1 stop27h 55m

Simpson Bay Princess Juliana

Tue 12/16

3:40 pm-8:59 pm

1 stop30h 19m

$485

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Thu 12/11

4:30 pm-4:00 pm

1 stop22h 30m

Simpson Bay Princess Juliana

Thu 12/18

3:40 pm-11:35 am

1 stop20h 55m

$486

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Wed 2/25

6:00 am-1:50 pm

1 stop6h 50m

Simpson Bay Princess Juliana

Mon 3/9

3:55 pm-8:30 pm

Nonstop4h 35m

$527

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 11/17

6:00 am-2:55 pm

1 stop7h 55m

Simpson Bay Princess Juliana

Fri 11/21

4:20 pm-12:16 am

1 stop8h 56m

$537

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Tue 12/30

6:35 am-1:59 pm

1 stop6h 24m

Simpson Bay Princess Juliana

Thu 1/8

3:09 pm-11:12 pm

1 stop9h 03m

$547

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 2/21

2:06 pm-2:08 pm

2 stops23h 02m

Simpson Bay Princess Juliana

Wed 2/25

1:41 pm-11:28 pm

2 stops10h 47m

$552

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Tue 11/18

6:00 am-2:55 pm

1 stop7h 55m

Simpson Bay Princess Juliana

Mon 11/24

4:20 pm-9:10 am

1 stop17h 50m

$562

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Wed 12/17

6:00 am-1:50 pm

1 stop6h 50m

Simpson Bay Princess Juliana

Mon 12/22

4:55 pm-8:30 pm

Nonstop4h 35m

$568

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 $654.

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 $657. 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 $763.

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 $739 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 $596 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 October 2025, prices for Washington, D.C. Dulles Intl Airport to Simpson Bay flights are approximately 193% 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

$343

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 $343. 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 $681.
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 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 6h 24m.

  • 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
7,994 reviews
Search Delta flights
American AirlinesPriceFrom $557Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
United AirlinesPriceFrom $562Free CancellationRating
7.4
9,001 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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