What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Simpson Bay Princess Juliana?

American Airlines, United Airlines, and Air Canada are the most popular carriers operating from Washington, D.C. Dulles Intl to Simpson Bay Princess Juliana

What airlines fly to Simpson Bay?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Simpson Bay from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 86% of people opting to fly with this airline when traveling to Simpson Bay. Keep in mind that there are 3 different airlines that fly to Simpson Bay on a routine basis, so you have a few additional options to choose from.

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.

$144 Cheap Flights from Washington, D.C. Dulles Intl Airport to Simpson Bay in 2026

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Simpson Bay on average per week?

7 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Simpson Bay as of June 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

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

Prices are currently low for flights on this route. Typical prices usually range from $568 to $756. The lowest price recently found on this route was $377.

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Simpson Bay on average per day?

As of June 2026, 1 flights take off from Washington, D.C. Dulles Intl Airport and land in Simpson Bay each day. The most common flight departure time for this route is 8:00AM, with 100% of daily flights taking off at noon.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Simpson Bay

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:17 am - 1:42 pm

IAD

SXM

7h 25m

1 stop

2:42 pm - 10:55 pm

SXM

IAD

8h 13m

1 stop

$377American Airlines

Thu, Aug 20 - Mon, Aug 24

6:17 am - 3:39 pm

IAD

SXM

9h 22m

2 stops

2:42 pm - 10:55 pm

SXM

IAD

8h 13m

1 stop

$382American Airlines

Thu, Aug 20 - Mon, Aug 24

2:06 pm - 1:58 pm

IAD

SXM

22h 52m

1 stop

1:39 pm - 10:56 pm

SXM

IAD

10h 17m

1 stop

$384American Airlines

Mon, Dec 7 - Thu, Dec 17

8:22 pm - 12:34 pm

IAD

SXM

16h 12m

2 stops

4:45 pm - 7:40 pm

SXM

IAD

26h 55m

2 stops

$387American Airlines

Tue, Jul 14 - Sun, Jul 19

1:16 pm - 1:19 pm

IAD

SXM

24h 03m

2 stops

2:51 pm - 12:10 am

SXM

IAD

9h 19m

1 stop

$396American Airlines

Sat, Jul 18 - Thu, Jul 23

6:33 am - 1:51 pm

IAD

SXM

7h 18m

1 stop

2:51 pm - 12:10 am

SXM

IAD

9h 19m

1 stop

$403American Airlines

Mon, Jul 6 - Fri, Jul 10

8:21 pm - 1:51 pm

IAD

SXM

17h 30m

1 stop

4:45 pm - 7:34 pm

SXM

IAD

26h 49m

2 stops

$408American Airlines

Sat, Jul 11 - Mon, Jul 13

6:33 am - 1:34 pm

IAD

SXM

7h 01m

1 stop

4:45 pm - 7:34 pm

SXM

IAD

26h 49m

2 stops

$413American Airlines

Wed, Jul 8 - Mon, Jul 13

1:58 pm - 2:00 pm

IAD

SXM

23h 02m

1 stop

5:24 pm - 8:41 am

SXM

IAD

16h 17m

2 stops

$448American Airlines

Sat, Nov 14 - Wed, Nov 18

4:34 pm - 11:33 am

IAD

SXM

18h 59m

1 stop

12:32 pm - 12:32 am

SXM

IAD

12h 00m

1 stop

$456Copa Airlines

Sat, Sep 5 - Wed, Sep 9

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Simpson Bay flight tickets

American Airlines

Aug 20

IAD6:17 amWashington, D.C. Dulles Intl

7h 25m

1 stop

SXM1:42 pmSimpson Bay Princess Juliana

Aug 24

SXM2:42 pmSimpson Bay Princess Juliana

8h 13m

1 stop

IAD10:55 pmWashington, D.C. Dulles Intl

$377

American Airlines

Aug 20

IAD6:17 amWashington, D.C. Dulles Intl

9h 22m

2 stops

SXM3:39 pmSimpson Bay Princess Juliana

Aug 24

SXM2:42 pmSimpson Bay Princess Juliana

8h 13m

1 stop

IAD10:55 pmWashington, D.C. Dulles Intl

$382

American Airlines

Sep 4

IAD6:10 amWashington, D.C. Dulles Intl

7h 32m

1 stop

SXM1:42 pmSimpson Bay Princess Juliana

Sep 7

SXM2:42 pmSimpson Bay Princess Juliana

26h 22m

1 stop

IAD5:04 pmWashington, D.C. Dulles Intl

$384

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 5

IAD4:34 pmWashington, D.C. Dulles Intl

18h 59m

1 stop

SXM11:33 amSimpson Bay Princess Juliana

Sep 9

SXM12:32 pmSimpson Bay Princess Juliana

12h 00m

1 stop

IAD12:32 amWashington, D.C. Dulles Intl

$456

Copa Airlines

Oct 6

IAD2:25 amWashington, D.C. Dulles Intl

9h 08m

1 stop

SXM11:33 amSimpson Bay Princess Juliana

Oct 12

SXM12:32 pmSimpson Bay Princess Juliana

12h 00m

1 stop

IAD12:32 amWashington, D.C. Dulles Intl

$503

Copa Airlines

Nov 1

IAD1:16 amWashington, D.C. Dulles Intl

9h 14m

1 stop

SXM11:30 amSimpson Bay Princess Juliana

Nov 9

SXM12:25 pmSimpson Bay Princess Juliana

15h 50m

1 stop

IAD3:15 amWashington, D.C. Dulles Intl

$519

momondo Fare Finder

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

Quickest round-trip

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Thu 8/20

6:17 am-1:42 pm

1 stop7h 25m

Simpson Bay Princess Juliana

Mon 8/24

2:42 pm-10:55 pm

1 stop8h 13m

$377

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Thu 8/20

6:17 am-3:39 pm

2 stops9h 22m

Simpson Bay Princess Juliana

Mon 8/24

2:42 pm-10:55 pm

1 stop8h 13m

$382

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 12/7

2:06 pm-1:58 pm

1 stop22h 52m

Simpson Bay Princess Juliana

Thu 12/17

1:39 pm-10:56 pm

1 stop10h 17m

$384

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Tue 7/14

8:22 pm-12:34 pm

2 stops16h 12m

Simpson Bay Princess Juliana

Sun 7/19

4:45 pm-7:40 pm

2 stops26h 55m

$387

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

2:51 pm-12:10 am

1 stop9h 19m

$396

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Mon 7/6

6:33 am-1:51 pm

1 stop7h 18m

Simpson Bay Princess Juliana

Fri 7/10

2:51 pm-12:10 am

1 stop9h 19m

$403

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 7/11

8:21 pm-1:51 pm

1 stop17h 30m

Simpson Bay Princess Juliana

Mon 7/13

4:45 pm-7:34 pm

2 stops26h 49m

$408

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Wed 7/8

6:33 am-1:34 pm

1 stop7h 01m

Simpson Bay Princess Juliana

Mon 7/13

4:45 pm-7:34 pm

2 stops26h 49m

$413

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 11/14

1:58 pm-2:00 pm

1 stop23h 02m

Simpson Bay Princess Juliana

Wed 11/18

5:24 pm-8:41 am

2 stops16h 17m

$448

Washington, D.C.Simpson Bay

IAD - SXM

IADSXM

Washington, D.C. Dulles Intl

Sat 9/5

4:34 pm-11:33 am

1 stop18h 59m

Simpson Bay Princess Juliana

Wed 9/9

12:32 pm-12:32 am

1 stop12h 00m

$456

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $399. 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 Tuesday is the least expensive day to fly to Simpson Bay. Tickets to fly out on this day can be as low as $613. Flights from Washington, D.C. Dulles Intl Airport to Simpson Bay on a Thursday will generally be more expensive and average around $743. 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 $667 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 $561 on momondo.

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

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport to Simpson Bay 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?

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	$184
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 $184. 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 $468.

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).

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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?
As of June 2026, there are 3 operators available to choose from 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?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Simpson Bay, the leading plane model is Boeing 737 MAX 8, making up 98.43% of the total bookings. Other popular models include Boeing 737 with 0.79%, Airbus A318/A319/A320/A321 with 0.39%, and Boeing 737-700 with 0.39%.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Simpson Bay?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Simpson Bay, the leading airline is United Airlines, making up 86% of the total bookings. Other popular airlines include American Airlines with 7% and Delta with 6%.

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 Airlines	PriceFrom $357	Free Cancellation	Rating 7.1 11,745 reviews	Search American Airlines flights
Delta	PriceFrom $399	Free Cancellation	Rating 7.8 8,424 reviews	Search Delta flights
United Airlines	PriceFrom $473	Free Cancellation	Rating 7.4 9,875 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 $473 round-trip. Over the 7 United Airlines flights for this route in a normal week, average airfare is usually $690 round-trip - but some users have found much cheaper deals with momondo.

Philipsburg

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

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Simpson Bay flight tickets

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

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Simpson Bay that are best for you.

See travel insights to Simpson Bay from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Simpson Bay

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?

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

What is the cheapest Washington, D.C. Dulles Intl to Simpson Bay Princess Juliana flight route?

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Simpson Bay?

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

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

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

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Simpson Bay Princess Juliana?

What airlines fly to Simpson Bay?

How many flights depart from Washington, D.C. Dulles Intl Airport to Simpson Bay on average per day?

How many flights depart from Washington, D.C. Dulles Intl Airport to Simpson Bay on average per week?

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

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

Fastest flight time

Direct flights

Airports in Simpson Bay

Frequently asked questions about flying 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

United Airlines Flights From Washington, D.C. Dulles Intl Airport to Simpson Bay

Traveling to a place near Simpson Bay?

Why use momondo?

An easier way to manage your Simpson Bay trip

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Get notified when prices go down

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Fly your favorite airline to Simpson Bay

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Simpson Bay

List of cabin classes available on flights landing in Simpson Bay. Availability may vary depending on flight origin and airline.

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