What are the cheapest airlines flying from Philadelphia to Simpson Bay round-trip?

According to our current data, Frontier ($319), Spirit Airlines ($394), and American Airlines ($657) offers the cheapest pricing from Philadelphia to Simpson Bay. Users have found that Frontier is 50% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Philadelphia to Simpson Bay one-way?

The cheapest airlines for a one-way flight from Philadelphia to Simpson Bay are Frontier ($154), Spirit Airlines ($222), and American Airlines ($393).

What is the cheapest day to fly from Philadelphia to Simpson Bay?

Travelers seeking maximum savings on their Philadelphia to Simpson Bay flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the cheapest flights from Philadelphia to Simpson Bay?

While on average a flight from Philadelphia to Simpson Bay is generally $653, our data shows the cheapest flight currently is $388. When looking at the most popular route, (Philadelphia - Simpson Bay Princess Juliana), you can expect to pay $375 for that flight.

What are the most popular airlines that fly from Philadelphia to Simpson Bay?

Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from Philadelphia to Simpson Bay.

What is the cheapest day to fly round-trip from Philadelphia to Simpson Bay?

Friday flights are generally found to be more expensive for flights from Philadelphia to Simpson Bay. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Simpson Bay.

How far in advance should I book a flight from Philadelphia to Simpson Bay?

Travelers have found it’s best to book a flight 45 days in advance to save up to 461% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 45 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Philadelphia to Simpson Bay 1-2 weeks in advance for as low as $539, or $1,022 for flights within the next 24 hours.

What is the cheapest month to fly from Philadelphia to Simpson Bay?

March can be a great time to fly to Simpson Bay from Philadelphia with a flight ticket averaging about $643. Cheapflights users have found deals in the month of March for as cheap as $161. The most expensive prices can be found in the month of December.

Can I find deals for flights from Philadelphia to Simpson Bay that include hotel bookings?

Yes. In addition to deals on Philadelphia to Simpson Bay flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Philadelphia to Simpson Bay?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Simpson Bay.

Can I find deals for business class flights from Philadelphia to Simpson Bay?

Yes. Cheapflights offers flight deals from Philadelphia to Simpson Bay by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$154+ Flights from Philadelphia to Simpson Bay

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Philadelphia to Simpson Bay Princess Juliana are usually found in March or September, booked 72 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Philadelphia to Simpson Bay

Round-trip from	$311 (Priceline)
One-way from	$154 (Priceline)
Popular in	December
Cheapest in	March
Average price	$616
Good round-trip deal	$612 or less
Good one-way deal	$519 or less

From Philadelphia to Simpson Bay Princess Juliana

Search Deals

One-way flight from Philadelphia to Simpson Bay Princess Juliana

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($101 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

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Price to beat on a round-trip flight from Philadelphia to Simpson Bay Princess Juliana.

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Price to beat on a one-way flight from Philadelphia to Simpson Bay Princess Juliana.

Search Deals

Find flight deals from Philadelphia to Simpson Bay

Cheapest flights from Philadelphia to Simpson Bay
Explore the most affordable flight options available from Philadelphia to Simpson Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Sun 7/68:05 pmPHL - SXM

1 stop21h 16mMultiple Airlines

Wed 7/93:05 pmSXM - PHL

1 stop8h 25mMultiple Airlines

Deal found 6/10

$311

Fri 6/138:05 pmPHL - SXM

1 stop21h 11mFrontier

Fri 6/206:26 pmSXM - PHL

1 stop10h 31mFrontier

Deal found 6/12

$319

Sat 7/56:20 amPHL - SXM

1 stop7h 40mSpirit Airlines

Sat 7/123:05 pmSXM - PHL

1 stop8h 25mSpirit Airlines

Deal found 6/10

$394

Sat 11/16:30 amPHL - SXM

1 stop8h 45mAir Canada

Sat 11/85:15 pmSXM - PHL

1 stop23h 36mAir Canada

Deal found 6/11

$409

Mon 12/15:20 amPHL - SXM

1 stop9h 50mAmerican Airlines

Tue 12/94:45 pmSXM - PHL

1 stop8h 49mAmerican Airlines

Deal found 6/11

$587

Best flights from Philadelphia to Simpson Bay
Discover carefully curated flight deals from Philadelphia to Simpson Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Sun 7/68:05 pmPHL - SXM

1 stop21h 16mMultiple Airlines

Wed 7/93:05 pmSXM - PHL

1 stop8h 25mMultiple Airlines

Deal found 6/10

$311

Sat 7/198:00 amPHL - SXM

1 stop9h 21mFrontier

Sat 7/266:26 pmSXM - PHL

1 stop10h 34mFrontier

Deal found 6/10

$319

Sat 7/56:20 amPHL - SXM

1 stop7h 40mSpirit Airlines

Sat 7/123:05 pmSXM - PHL

1 stop8h 25mSpirit Airlines

Deal found 6/10

$394

Sun 8/106:08 amPHL - SXM

1 stop7h 17mAmerican Airlines

Thu 8/142:45 pmSXM - PHL

1 stop9h 40mAmerican Airlines

Deal found 6/11

$657

Last-minute flights from Philadelphia to Simpson Bay
Discover last-minute flight deals from Philadelphia to Simpson Bay. Data last updated June 12, 2025 and is based on user searches.

Fri 6/138:05 pmPHL - SXM

1 stop21h 11mFrontier

Fri 6/206:26 pmSXM - PHL

1 stop10h 31mFrontier

Deal found 6/12

$319

Tue 6/176:38 amPHL - SXM

1 stop7h 22mDelta

Tue 6/243:25 pmSXM - PHL

1 stop9h 34mDelta

Deal found 6/10

$1,009

Sat 6/216:20 amPHL - SXM

1 stop7h 40mSpirit Airlines

Wed 6/253:05 pmSXM - PHL

2 stops22h 36mSpirit Airlines

Deal found 6/10

$594

Sat 6/218:31 amPHL - SXM

2 stops27h 58mUnited Airlines

Tue 6/241:35 pmSXM - PHL

2 stops22h 21mUnited Airlines

Deal found 6/10

$1,084

Sat 6/218:25 amPHL - SXM

Nonstop4h 09mAmerican Airlines

Tue 6/242:20 pmSXM - PHL

1 stop9h 48mAmerican Airlines

Deal found 6/11

$1,255

Sun 6/228:05 pmPHL - SXM

1 stop21h 11mFrontier

Sat 6/286:26 pmSXM - PHL

1 stop10h 31mFrontier

Deal found 6/11

$357

Sun 6/228:05 pmPHL - SXM

1 stop21h 11mMultiple Airlines

Sat 6/283:05 pmSXM - PHL

2 stops40h 43mMultiple Airlines

Deal found 6/10

$459

Sat 7/56:20 amPHL - SXM

1 stop7h 40mSpirit Airlines

Sat 7/123:05 pmSXM - PHL

1 stop8h 25mSpirit Airlines

Deal found 6/10

$394

Sun 7/68:05 pmPHL - SXM

1 stop21h 16mMultiple Airlines

Wed 7/93:05 pmSXM - PHL

1 stop8h 25mMultiple Airlines

Deal found 6/10

$311

Tue 7/85:16 pmPHL - SXM

2 stops19h 13mUnited Airlines

Tue 7/151:35 pmSXM - PHL

2 stops20h 20mUnited Airlines

Deal found 6/10

$732

Sun 7/135:30 amPHL - SXM

1 stop8h 26mDelta

Thu 7/173:21 pmSXM - PHL

1 stop9h 38mDelta

Deal found 6/12

$727

Thu 7/316:08 amPHL - SXM

1 stop7h 17mAmerican Airlines

Sun 8/34:25 pmSXM - PHL

1 stop17h 14mAmerican Airlines

Deal found 6/11

$712

One-way flights from Philadelphia to Simpson Bay
Search for one-way flight options from Philadelphia to Simpson Bay. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Sat 8/28:00 amPHL - SXM

1 stop9h 21mFrontier

Deal found 6/12

$154

Sat 8/166:10 amPHL - SXM

1 stop8h 14mSpirit Airlines

Deal found 6/11

$222

Sat 8/27:00 amPHL - SXM

3 stops36h 30mMultiple Airlines

Deal found 6/12

$243

Sat 8/28:25 amPHL - SXM

Nonstop4h 15mAmerican Airlines

Deal found 6/12

$393

Thu 6/197:59 pmPHL - SXM

3 stops16h 30mUnited Airlines

Deal found 6/10

$1,515

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Simpson Bay that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaSimpson Bay

PHL - SXM

PHLSXM

Philadelphia

Sun 7/6

8:05 pm-5:21 pm

1 stop21h 16m

Simpson Bay Princess Juliana

Wed 7/9

3:05 pm-11:30 pm

1 stop8h 25m

$311

PhiladelphiaSimpson Bay

PHL - SXM

PHLSXM

Philadelphia

Sat 7/19

8:00 am-5:21 pm

1 stop9h 21m

Simpson Bay Princess Juliana

Sat 7/26

6:26 pm-5:00 am

1 stop10h 34m

$319

PhiladelphiaSimpson Bay

PHL - SXM

PHLSXM

Philadelphia

Sat 7/5

6:20 am-2:00 pm

1 stop7h 40m

Simpson Bay Princess Juliana

Sat 7/12

3:05 pm-11:30 pm

1 stop8h 25m

$394

PhiladelphiaSimpson Bay

PHL - SXM

PHLSXM

Philadelphia

Sat 8/2

8:00 am-5:21 pm

1 stop9h 21m

$154

PhiladelphiaSimpson Bay

PHL - SXM

PHLSXM

Philadelphia

Sat 8/16

6:10 am-2:24 pm

1 stop8h 14m

$222

PhiladelphiaSimpson Bay

PHL - SXM

PHLSXM

Philadelphia

Sat 8/2

7:00 am-7:30 pm

3 stops36h 30m

$243

PhiladelphiaSimpson Bay

PHL - SXM

PHLSXM

Philadelphia

Sat 8/2

8:25 am-12:40 pm

Nonstop4h 15m

$393

PhiladelphiaSimpson Bay

PHL - SXM

PHLSXM

Philadelphia

Thu 6/19

7:59 pm-12:29 pm

3 stops16h 30m

$1,515

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Best time to book a flight from Philadelphia to Simpson Bay

Have a flexible travel schedule? Discover the best time to fly to Simpson Bay from Philadelphia with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Simpson Bay

How far ahead should I book a flight from Philadelphia to Simpson Bay?

The price you pay for your flight from Philadelphia to Simpson Bay may vary depending on when you book. For the best chance of a lower fare, look to book 71 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Philadelphia to Simpson Bay?

Currently, September is the cheapest month in which you can book a flight from Philadelphia to Simpson Bay (average of $459). Flying from Philadelphia to Simpson Bay in March is currently the most expensive (average of $657). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to SXM?

Unlike in the morning, when flights are generally more expensive, you can save up to 34% on flights from Philadelphia to Simpson Bay by exploring options for tickets in the afternoon.

Reviews of airlines servicing Simpson Bay

To help decide which airline to fly from Philadelphia to Simpson Bay, see what other customers have to say about United Airlines, American Airlines and Spirit Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,790 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,790 reviews

United Airlines

7.4

Good

8,790 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,790 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Spirit Airlines

6.3

Okay

8,052 reviews

United Airlines

7.4

Good

8,790 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Frontier

5.9

Fair

3,295 reviews

United Airlines

7.4

Good

8,790 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

What are the cheapest airlines flying from Philadelphia to Simpson Bay round-trip?
According to our current data, Frontier ($319), Spirit Airlines ($394), and American Airlines ($657) offers the cheapest pricing from Philadelphia to Simpson Bay. Users have found that Frontier is 50% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Philadelphia to Simpson Bay one-way?
The cheapest airlines for a one-way flight from Philadelphia to Simpson Bay are Frontier ($154), Spirit Airlines ($222), and American Airlines ($393).
What are the cheapest flights from Philadelphia to Simpson Bay?
While on average a flight from Philadelphia to Simpson Bay is generally $653, our data shows the cheapest flight currently is $388. When looking at the most popular route, (Philadelphia - Simpson Bay Princess Juliana), you can expect to pay $375 for that flight.
Can I find deals for flights from Philadelphia to Simpson Bay that include hotel bookings?
Yes. In addition to deals on Philadelphia to Simpson Bay flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Philadelphia to Simpson Bay?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Simpson Bay.
Can I find deals for business class flights from Philadelphia to Simpson Bay?
Yes. Cheapflights offers flight deals from Philadelphia to Simpson Bay by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Philadelphia to Simpson Bay?
Currently, September is the cheapest month in which you can book a flight from Philadelphia to Simpson Bay (average of $459). Flying from Philadelphia to Simpson Bay in March is currently the most expensive (average of $657). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Philadelphia to Simpson Bay

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$161	Average$170	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$321	Average$490	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$415	Average$711	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$490	Average$739	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$567	Average$611	FlexibilityNo cancel fee	On-time69%

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$154+ Cheap flights from Philadelphia (PHL) to Simpson Bay (SXM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Philadelphia to Simpson Bay with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Philadelphia to Simpson Bay Princess Juliana are usually found in March or September, booked 72 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Philadelphia to Simpson Bay

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Philadelphia to Simpson Bay

Cheapest flights from Philadelphia to Simpson BayExplore the most affordable flight options available from Philadelphia to Simpson Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Philadelphia to Simpson Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Simpson Bay that are best for you.

Best time to book a flight from Philadelphia to Simpson Bay

Have a flexible travel schedule? Discover the best time to fly to Simpson Bay from Philadelphia with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Simpson Bay

How far ahead should I book a flight from Philadelphia to Simpson Bay?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Simpson Bay. Price data was last updated on June 9, 2025.

What is the cheapest month to book a flight from Philadelphia to Simpson Bay?

What is the cheapest time of day to fly from PHL to SXM?

Find hourly flight availability from Philadelphia to Simpson Bay. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Reviews of airlines servicing Simpson Bay

To help decide which airline to fly from Philadelphia to Simpson Bay, see what other customers have to say about United Airlines, American Airlines and Spirit Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Simpson Bay. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Philadelphia to Simpson Bay round-trip?

What are the cheapest airlines to fly from Philadelphia to Simpson Bay one-way?

What are the cheapest flights from Philadelphia to Simpson Bay?

Can I find deals for flights from Philadelphia to Simpson Bay that include hotel bookings?

How can I find direct flights from Philadelphia to Simpson Bay?

Can I find deals for business class flights from Philadelphia to Simpson Bay?

What is the cheapest month to book a flight from Philadelphia to Simpson Bay?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Philadelphia to Simpson Bay

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Philadelphia to Simpson Bay

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Cheapest flights from Philadelphia to Simpson Bay
Explore the most affordable flight options available from Philadelphia to Simpson Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.