HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Thomas Island

Cheap flights from Philadelphia (PHL) to Saint Thomas Island (SPB)

PHL — SPB
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Philadelphia to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Saint Thomas Island (SPB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

April

Cheapest in

December

Average price

$391
Provider with most accurate pricing for Philadelphia-Saint Thomas Island SPB flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Saint Thomas Island SPB flights.
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Compare providers for flights from Philadelphia to Saint Thomas Island

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Saint Thomas Island in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Saint Thomas Island flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Saint Thomas Island flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Philadelphia-Saint Thomas Island flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Saint Thomas Island flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Philadelphia to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island 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 Saint Thomas Island

What is the cheapest month to book a flight from Philadelphia to Saint Thomas Island?

Currently, March is the cheapest month in which you can book a flight from Philadelphia to Saint Thomas Island (average of $95). Flying from Philadelphia to Saint Thomas Island in November is currently the most expensive (average of $246). 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.

Reviews of airlines servicing Saint Thomas Island

Get insights into the airlines that provide service to Saint Thomas Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Thomas Island. Reviews last updated December 18, 2025.
Get a feel of what it's like to fly with Spirit Airlines from Philadelphia to Saint Thomas Island by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Spirit Airlines
6.3
Okay
8,190 reviews

Crew

7.0

Food

5.1

Overall

6.3

Comfort

5.9

Boarding

6.6

Entertainment

5.0

Reviews

1 / 20
4.0
Okay

Anonymous,Nov 2025

MCO - BWI

Sitting in exit seats without an upgrade should be allowed if nobody sitting in them what’s the big deal?
Spirit Airlines
6.3
Okay
8,190 reviews
Spirit Airlines
6.3
Okay
8,190 reviews

Crew

7.0

Food

5.1

Overall

6.3

Comfort

5.9

Boarding

6.6

Entertainment

5.0

Reviews

1 / 20
4.0
Okay

Anonymous,Nov 2025

MCO - BWI

Sitting in exit seats without an upgrade should be allowed if nobody sitting in them what’s the big deal?

Related info for your journey

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

  • What is the cheapest airline to fly from Philadelphia to Saint Thomas Island round-trip?

    Our cheapest airline available from Philadelphia to Saint Thomas Island is Spirit Airlines. Our recent data shows that you can find tickets from as low as $265 on this airline. Spirit Airlines is currently priced 59% below the average price you’ll pay for this route.

  • Can I find deals for flights from Philadelphia to Saint Thomas Island that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Saint Thomas Island?

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

  • Can I find deals for business class flights from Philadelphia to Saint Thomas Island?

    Yes. Cheapflights offers flight deals from Philadelphia to Saint Thomas Island 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 Saint Thomas Island?

    Currently, March is the cheapest month in which you can book a flight from Philadelphia to Saint Thomas Island (average of $95). Flying from Philadelphia to Saint Thomas Island in November is currently the most expensive (average of $246). 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

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

Alternative routes for Philadelphia to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Saint Thomas Island flights
John F Kennedy Intl to Saint Thomas Island flights
Dulles Intl to Saint Thomas Island flights
LaGuardia to Saint Thomas Island flights
Reagan-National to Saint Thomas Island flights
Philadelphia to Saint Thomas Island flights
John F Kennedy Intl to Christiansted flights
Newark to Christiansted flights
Pittsburgh to Saint Thomas Island flights
Dulles Intl to Christiansted flights
LaGuardia to Christiansted flights
Reagan-National to Christiansted flights
Philadelphia to Christiansted flights
Pittsburgh to Christiansted flights
Harrisburg to Saint Thomas Island flights
Allentown to Saint Thomas Island flights
Scranton to Saint Thomas Island flights
State College to Saint Thomas Island flights
Allentown to Christiansted flights
Scranton to Christiansted flights
Latrobe to Saint Thomas Island flights

Top airline flying from Philadelphia to Saint Thomas Island

Discover the top airline that operate flights from Philadelphia to Saint Thomas Island. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$265Average$669FlexibilityNo cancel feeOn-time65%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.