Cheap Flights from Castries to Philadelphia International

Roundtrip selected

origin

Enter the city you're flying from, or choose from the options below

Include nearby airports

selected

destination

. Enter your destination, or choose from the options below

Include nearby airports

selected

Travelers and cabin class, 1 Adult, Economy

Compare Castries to Philadelphia International flight deals

Find the cheapest month or even day of the year to fly to Philadelphia International

Book the best Philadelphia International fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Castries to Philadelphia International

Looking for a cheap last-minute deal or the best round-trip flight from Castries to Philadelphia International Airport? If you want to travel next month, round-trip fares start from AED 2,909. Find the lowest prices on one-way and round-trip tickets right here.

Philadelphia.AED 1,303 per passenger.Departing Fri, Nov 13.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departing from St Lucia Hewanorra on Fri, Nov 13, arriving in Philadelphia International.Price includes taxes and charges.From AED 1,303, select.

Philadelphia.AED 1,393 per passenger.Departing Thu, Dec 17.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departing from St Lucia Hewanorra on Thu, Dec 17, arriving in Philadelphia International.Price includes taxes and charges.From AED 1,393, select.

Philadelphia.AED 1,606 per passenger.Departing Thu, Dec 17.One-way flight with American Airlines.Outbound direct flight with American Airlines departing from St Lucia Hewanorra on Thu, Dec 17, arriving in Philadelphia International.Price includes taxes and charges.From AED 1,606, select.

Philadelphia.AED 1,619 per passenger.Departing Sun, Jan 31.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departing from St Lucia Hewanorra on Sun, Jan 31, arriving in Philadelphia International.Price includes taxes and charges.From AED 1,619, select.

Philadelphia.AED 1,719 per passenger.Departing Sun, Feb 14.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departing from St Lucia Hewanorra on Sun, Feb 14, arriving in Philadelphia International.Price includes taxes and charges.From AED 1,719, select.

Philadelphia.AED 1,779 per passenger.Departing Tue, May 4.One-way flight with Delta.Outbound indirect flight with Delta, departing from St Lucia Hewanorra on Tue, May 4, arriving in Philadelphia International.Price includes taxes and charges.From AED 1,779, select.

Philadelphia.AED 3,059 per passenger.Departing Sun, Mar 21.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departing from St Lucia Hewanorra on Sun, Mar 21, arriving in Philadelphia International.Price includes taxes and charges.From AED 3,059, select.

Find the cheapest month to fly from Castries to Philadelphia International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Castries to Philadelphia International flights are currently cheapest in November.

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Direct flights from Castries to Philadelphia International

Castries to Philadelphia International: Alternative routes

Compare routes from Castries to Philadelphia below. You may find an airport to fly into that's cheaper, faster, or easier than Philadelphia International.

Castries to Philadelphia: Flight information

The things to know before you go.

Cheapest flight found	AED 1,297
Cheapest month to fly	November
Average flight time	5 hrs, 16 mins
Most popular airline	American Airlines
Average flights per week	6

Finding cheap flights from Castries to Philadelphia International: Frequently asked questions

How much are round-trip flights from Castries to Philadelphia International?

The best price we found for a round-trip flight from Castries to Philadelphia International is AED 2,631. 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.

How long does it take to fly from Castries to Philadelphia International?

5 hours and 16 minutes is the average flight time from Castries to Philadelphia International.

Which airlines fly direct from Castries to Philadelphia International?

American Airlines and Qatar Airways fly direct from Castries to Philadelphia International.

How many flights are there a week from Castries to Philadelphia International?

There are 6 flights per week flying from Castries to Philadelphia International, as of November 2026.

When is the cheapest time to fly from Castries to Philadelphia International?

The cheapest month to fly from Castries to Philadelphia International is usually January.

Which upcoming date is cheapest to fly from Castries to Philadelphia International Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Castries to Philadelphia International Airport on Sunday, January 17, 2027.

Can I get a direct flight from Castries to Philadelphia International Airport?

Yes – the average flight time is 5 hours and 16 minutes.

How can I find the best flight deal to Philadelphia International?

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 Philadelphia International 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.

When is the best time to book flights to Philadelphia?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from Castries to Philadelphia International?

The cheapest airline that flies to Philadelphia International is American Airlines.

How to find cheap flights from Castries to Philadelphia International

Looking for cheap flight tickets from Castries to Philadelphia International? Skyscanner compares flight prices across more than 1,200 airlines and travel providers.

Regardless of whether you're looking for a one-way ticket to Philadelphia International or a return flight, here are some tips to secure the best flight price and make planning your journey as smooth as possible.

Simply hit search. From Emirates and Etihad to international carriers like Air India and Wizz Air, we compare all major airlines with the most popular online travel agents to find the cheapest plane tickets from Castries to Philadelphia International. And with us there are no hidden fees - what you see is what you pay.

Flex your dates to find the cheapest SLUA - PHL flight tickets on Skyscanner. Search for flights but don’t enter the departure date and instead click ‘whole month’. This tool will find the cheapest month and dates to fly to Philadelphia International from Castries.

Set up a Price Alert for Castries-Philadelphia International flight tickets. You can easily track the fare of flights by creating an alert. Whenever prices go down or up, you'll get an email to help make sure you get the best possible flight deal. Or download our app and get price alerts straight to your phone.

Fly without stops. Only interested in direct flights between Castries and Philadelphia International? Make sure to tick 'Non-stop flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.

Hotels in Philadelphia International

Looking for a hotel in Philadelphia International? Whether you’re looking for a local hotel or a global brand, discover the best prices and exclusive rates for hotels in Philadelphia International by comparing the biggest names in travel.

Car hire in Philadelphia International

If you’re looking for car rental in Philadelphia International, we can help you uncover the best car hire deals. We search hundreds of car hire companies allowing you to instantly compare prices and then book.

Book flight tickets from Castries to Philadelphia International with extra peace of mind

Back in 2020, most airlines introduced policies to make travel during COVID-19 as easy as possible. The worst of the pandemic is now over, but some of these policies remain in place for you to take advantage of as you step back out into the world.

Find flexible getaways. Some airlines introduced flexible booking policies in 2020 – and many of these are still available. If you book a flexible plane ticket from Castries to Philadelphia International, it means your money is still safe if your flights are changed or cancelled due to COVID-19.

Get insured. Choose travel cost protection that covers COVID-19, too. It's available at the checkout as you book your flight from Castries to Philadelphia International with us.