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Cheap Flights from Philadelphia International to Cyril E. King

Compare Philadelphia International to Cyril E. King flight deals

Find the cheapest month or even day of the year to fly to Cyril E. King

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Flight deals from Philadelphia International to Cyril E. King

Looking for a cheap last-minute deal or the best return flight from Philadelphia International Airport to Cyril E. King Airport? If you want to travel next month, return fares start from R 9,601. Find the lowest prices on one-way and return tickets right here.
Saint Thomas.R 3,980 per passenger.Departing Mon, 10 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 10 Aug, arriving in Cyril E. King.Price includes taxes and charges.From R 3,980, select.
Saint Thomas.R 4,594 per passenger.Departing Wed, 15 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Wed, 15 Jul, arriving in Cyril E. King.Price includes taxes and charges.From R 4,594, select.
Saint Thomas.R 4,803 per passenger.Departing Tue, 30 Jun.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Tue, 30 Jun, arriving in Cyril E. King.Price includes taxes and charges.From R 4,803, select.
Saint Thomas.R 5,913 per passenger.Departing Sun, 21 Feb.One-way flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Sun, 21 Feb, arriving in Cyril E. King.Price includes taxes and charges.From R 5,913, select.
Saint Thomas.R 7,667 per passenger.Departing Sun, 31 May.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sun, 31 May, arriving in Cyril E. King.Price includes taxes and charges.From R 7,667, select.
Saint Thomas.R 8,946 per passenger.Departing Fri, 25 Dec.One-way flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Fri, 25 Dec, arriving in Cyril E. King.Price includes taxes and charges.From R 8,946, select.

Find the cheapest month to fly from Philadelphia International to Cyril E. King

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia International to Cyril E. King flights are currently cheapest in August.
May
from R 7,671
Jun
from R 4,805
Jul
from R 4,597
Aug
from R 3,982
Sep
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Oct
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Nov
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Dec
from R 8,951
Jan
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Feb
from R 5,916
Mar
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Apr
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Direct flights from Philadelphia International to Cyril E. King

Philadelphia to Saint Thomas: Flight information

The things to know before you go.
Cheapest flight foundR 3,982
Cheapest month to flyAugust
Average flight time3 hrs, 59 mins
Most popular airlineAmerican Airlines
Average flights per week8

Finding cheap flights from Philadelphia International to Cyril E. King: Frequently asked questions

The best price we found for a return flight from Philadelphia International to Cyril E. King is R 7,471. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 59 minutes is the average flight time from Philadelphia International to Cyril E. King.
American Airlines, Alaska Airlines and Qatar Airways fly direct from Philadelphia International to Cyril E. King.
As of May 2026, there are 8 flights per week flying from Philadelphia International to Cyril E. King.
The cheapest month to fly from Philadelphia International to Cyril E. King is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Philadelphia International Airport to Cyril E. King Airport on Sunday, 20 September 2026.
Yes – the average flight time is 3 hours and 59 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cyril E. King but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Saint Thomas is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Cyril E. King.

Travelling from Philadelphia International Airport (PHL) to Cyril E. King Airport (STT): what you need to know

  • The average duration of a direct flight from Philadelphia International Airport to Cyril E. King Airport is 3 hours 55 minutes.

  • Take your pick of three weekly Philadelphia International Airport to Cyril E. King Airport flights. The 08:20 departure with American Airlines is the earliest flight available. American Airlines operates the latest service of the day at 10:37.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Be at the airport with enough time to catch your PHL to STT flight.

  • Longer lines at security and check-in are likely if you're flying during high season, so allow some extra breathing space. A good rule for peak periods? Get there up to four hours ahead for international flights and at least two hours for domestic departures.

  • Most passengers choose to travel with American Airlines on this route.

  • With a dependable 80.65% of services arriving as scheduled, American Airlines is the most punctual carrier for PHL to STT flights.

  • We make it simple to book a flight with a stopover. To see all your options for tickets from Philadelphia International Airport to Cyril E. King Airport, deselect 'Direct flights only.' Then, pick a flight with a stop long enough to tour your chosen city. Worthwhile stopovers between PHL and STT include:

    • Luis Munoz Marin International Airport

    • Washington Dulles International Airport

    • Charlotte Douglas International Airport

How to find the cheapest flights from Philadelphia International Airport (PHL) to Cyril E. King Airport (STT)

  • R 3,980 is the lowest price for a one-way Philadelphia International Airport to Cyril E. King Airport flight. A return flight starts from R 7,471. These fares may change based on availability.

  • To score cheap tickets from PHL to STT, book your trip six months ahead of your planned departure.

  • Schedule your trip for May. That's the cheapest month for flights from Philadelphia International Airport to Cyril E. King Airport. If you're flexible on when you fly, use the 'Whole month' tool to find the lowest price across every month.

  • Landing cheap flights from PHL to STT is a cinch with Price Alerts. Simply set up one of these automatic alerts and we'll notify you when fares go down.

  • Tailor your trip with filters. Choose your departure and arrival times, total journey duration and airlines. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from Philadelphia International Airport to Cyril E. King Airport.

Handy information about Philadelphia International Airport (PHL)

  • PHL is located at Industrial Highway and Island Road.

  • Of the flights that depart from Philadelphia International Airport, 78.93% arrive as scheduled at their destination.

  • To get to Philadelphia International Airport from central Philadelphia, it'll take about 15 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 19 kilometres from the airport to the city centre.

  • Taking public transport? You can expect a journey time of around 45 minutes.

  • Booked an early flight from Philadelphia International Airport to Cyril E. King Airport? Avoid rushing to the airport (and catch some extra z's) by choosing one of these stays close to PHL:

Arriving at Cyril E. King Airport (STT)

  • Booking your vehicle from Cyril E. King Airport about four weeks in advance gives you the best shot at securing a great deal.

Plan the rest of your trip from Philadelphia to Saint Thomas

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.