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326 € 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 362 €. Find the lowest prices on one-way and return tickets right here.
Saint Thomas.326 € per passenger.Departing Sun, 20 Sep, returning Thu, 24 Sep.Return flight with Frontier Airlines and jetBlue.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sun, 20 Sep, arriving in Cyril E. King.Inbound indirect flight with jetBlue, departs from Cyril E. King on Thu, 24 Sep, arriving in Philadelphia International.Price includes taxes and charges.From 326 €, select.
Saint Thomas.342 € per passenger.Departing Fri, 28 Aug, returning Thu, 3 Sep.Return flight with Frontier Airlines and jetBlue.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Fri, 28 Aug, arriving in Cyril E. King.Inbound indirect flight with jetBlue, departs from Cyril E. King on Thu, 3 Sep, arriving in Philadelphia International.Price includes taxes and charges.From 342 €, select.
Saint Thomas.358 € per passenger.Departing Sun, 27 Sep, returning Sun, 4 Oct.Return flight with Frontier Airlines and jetBlue.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sun, 27 Sep, arriving in Cyril E. King.Inbound indirect flight with jetBlue, departs from Cyril E. King on Sun, 4 Oct, arriving in Philadelphia International.Price includes taxes and charges.From 358 €, select.
Saint Thomas.362 € per passenger.Departing Fri, 21 Aug, returning Sun, 30 Aug.Return flight with Frontier Airlines and jetBlue.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Fri, 21 Aug, arriving in Cyril E. King.Inbound indirect flight with jetBlue, departs from Cyril E. King on Sun, 30 Aug, arriving in Philadelphia International.Price includes taxes and charges.From 362 €, select.
Saint Thomas.372 € per passenger.Departing Thu, 8 Oct, returning Thu, 15 Oct.Return flight with Frontier Airlines and jetBlue.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Thu, 8 Oct, arriving in Cyril E. King.Inbound indirect flight with jetBlue, departs from Cyril E. King on Thu, 15 Oct, arriving in Philadelphia International.Price includes taxes and charges.From 372 €, select.
Saint Thomas.379 € per passenger.Departing Sat, 31 Oct, returning Wed, 11 Nov.Return flight with Frontier Airlines and jetBlue.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sat, 31 Oct, arriving in Cyril E. King.Inbound indirect flight with jetBlue, departs from Cyril E. King on Wed, 11 Nov, arriving in Philadelphia International.Price includes taxes and charges.From 379 €, select.
Saint Thomas.449 € per passenger.Departing Mon, 2 Nov, returning Sun, 8 Nov.Return flight with Frontier Airlines and jetBlue.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 2 Nov, arriving in Cyril E. King.Inbound indirect flight with jetBlue, departs from Cyril E. King on Sun, 8 Nov, arriving in Philadelphia International.Price includes taxes and charges.From 449 €, select.
Saint Thomas.559 € per passenger.Departing Tue, 9 Mar, returning Tue, 23 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Tue, 9 Mar, arriving in Cyril E. King.Inbound indirect flight with Delta, departs from Cyril E. King on Tue, 23 Mar, arriving in Philadelphia International.Price includes taxes and charges.From 559 €, select.
Saint Thomas.559 € per passenger.Departing Wed, 20 Jan, returning Wed, 27 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Wed, 20 Jan, arriving in Cyril E. King.Inbound indirect flight with Delta, departs from Cyril E. King on Wed, 27 Jan, arriving in Philadelphia International.Price includes taxes and charges.From 559 €, select.
Saint Thomas.559 € per passenger.Departing Wed, 17 Feb, returning Tue, 23 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Wed, 17 Feb, arriving in Cyril E. King.Inbound indirect flight with Delta, departs from Cyril E. King on Tue, 23 Feb, arriving in Philadelphia International.Price includes taxes and charges.From 559 €, select.
Saint Thomas.561 € per passenger.Departing Tue, 1 Jun, returning Thu, 10 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Tue, 1 Jun, arriving in Cyril E. King.Inbound indirect flight with Delta, departs from Cyril E. King on Thu, 10 Jun, arriving in Philadelphia International.Price includes taxes and charges.From 561 €, select.
Saint Thomas.561 € per passenger.Departing Tue, 23 Feb, returning Wed, 3 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Tue, 23 Feb, arriving in Cyril E. King.Inbound indirect flight with Delta, departs from Cyril E. King on Wed, 3 Mar, arriving in Philadelphia International.Price includes taxes and charges.From 561 €, select.
Saint Thomas.588 € per passenger.Departing Fri, 4 Dec, returning Mon, 7 Dec.Return flight with Frontier Airlines and jetBlue.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Fri, 4 Dec, arriving in Cyril E. King.Inbound indirect flight with jetBlue, departs from Cyril E. King on Mon, 7 Dec, arriving in Philadelphia International.Price includes taxes and charges.From 588 €, select.
Saint Thomas.602 € per passenger.Departing Fri, 24 Jul, returning Tue, 28 Jul.Return flight with Frontier Airlines and Cape Air.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Fri, 24 Jul, arriving in Cyril E. King.Inbound indirect flight with Cape Air, departs from Cyril E. King on Tue, 28 Jul, arriving in Philadelphia International.Price includes taxes and charges.From 602 €, select.
Saint Thomas.606 € per passenger.Departing Thu, 30 Jul, returning Thu, 6 Aug.Return flight with Frontier Airlines and Cape Air.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Thu, 30 Jul, arriving in Cyril E. King.Inbound indirect flight with Cape Air, departs from Cyril E. King on Thu, 6 Aug, arriving in Philadelphia International.Price includes taxes and charges.From 606 €, select.
Saint Thomas.625 € per passenger.Departing Wed, 12 May, returning Sat, 15 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Wed, 12 May, arriving in Cyril E. King.Inbound indirect flight with Delta, departs from Cyril E. King on Sat, 15 May, arriving in Philadelphia International.Price includes taxes and charges.From 625 €, 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 September.
Jul
from 602 €
Aug
from 362 €
Sep
from 326 €
Oct
from 372 €
Nov
from 449 €
Dec
from 588 €
Jan
from 559 €
Feb
from 559 €
Mar
from 559 €
Apr
from 723 €
May
from 625 €
Jun
from 561 €

Direct flights from Philadelphia International to Cyril E. King

Philadelphia to Saint Thomas: Flight information

The things to know before you go.
Cheapest flight found326 €
Cheapest month to flySeptember
Average flight time3 hrs, 56 mins
Most popular airlineAmerican Airlines
Average flights per week9

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 326 €. 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 56 minutes is the average flight time from Philadelphia International to Cyril E. King.
American Airlines and Alaska Airlines fly direct from Philadelphia International to Cyril E. King.
As of July 2026, there are 9 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 56 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.

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

  • Book a direct flight from Philadelphia International Airport to Cyril E. King Airport and you'll be in the air for an average of 4 hours.

  • Flights from PHL to STT start at 08:20 — the first with American Airlines. The latest departure is at 10:59 with American Airlines. In total, there are three weekly Philadelphia International Airport to Cyril E. King Airport flights.

  • To ensure you catch your PHL to STT flight, allow plenty of time to navigate the airport and find your gate. Turning up two hours before international departures and one hour before domestic flights is the general rule.

  • Heading away during a peak time like public or school holidays? Expect longer lines at security and check-in. To give yourself peace of mind, arrive up to four hours before international flights and two hours before domestic departures.

  • American Airlines is the top choice for travellers on this route.

  • American Airlines leads the way as the most punctual carrier for PHL to STT flights, with 85.71% of its services arriving as scheduled.

  • Think about adding a stopover when booking your ticket from Philadelphia International Airport to Cyril E. King Airport. Just deselect 'Direct flights only' to break up your trip, or enjoy a detour to a new and interesting place. Here are some options between PHL and STT:

    • Charlotte Douglas Airport

    • Washington Dulles Airport

    • San Juan Luis Munoz Marin Airport

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

  • 173 € is the best price for a one-way Philadelphia International Airport to Cyril E. King Airport flight. Return flights start at 326 €. These fares may change based on demand and availability.

  • It's usually best to book early if you're looking for cheap tickets from PHL to STT. That's because airlines change prices based on demand, which tends to rise closer to departure.

  • The cheapest month for flights from Philadelphia International Airport to Cyril E. King Airport is May. Use the 'Whole month' tool to find the lowest prices if you have a flexible schedule.

  • Save time looking for cheap flights from PHL to STT by setting up a Price Alert. You'll get an email or notification through the app when a new discounted fare appears.

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

Handy information about Philadelphia International Airport (PHL)

  • PHL's address is 8500 Essington Ave.

  • Of the departures from Philadelphia International Airport, 77% land on time at their destination.

  • To reach Philadelphia International Airport from central Philadelphia, it'll take about 20 minutes if you're travelling by car. This depends on traffic though. It's approximately 18 kilometres from the airport to the city centre.

  • The journey on public transport will take about 30 minutes.

  • Taking an early flight from Philadelphia International Airport to Cyril E. King Airport? Avoid rushing to the terminal (and sneak in some extra snooze time) by picking one of these stays close to PHL:

Arriving at Cyril E. King Airport (STT)

  • If you have a late Philadelphia International Airport to Cyril E. King Airport flight, nothing tops the convenience of being near the terminal. Grab your bags from the carousel and then be showered and sleeping not long after at one of these options near STT:

  • Say yes to new adventures by picking up a Cyril E. King Airport rental car. Grab your wheels from Budget, Alamo or Thrifty to explore Saint Thomas and beyond.

  • Booking your ride from Cyril E. King Airport around four weeks in advance can help you get the lowest rate.

When to fly to Cyril E. King Airport (STT)

  • It's time to pick your trip dates for your flight from Philadelphia International Airport to Cyril E. King Airport. April is the most popular month to visit Saint Thomas. If you prefer a more laid-back vibe, go in September.

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 12 days.