$686 Cheap Flights from Philadelphia (PHL) to Skiathos (JSI)

View $686 flight on Mon, May 18, 2026Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Skiathos (JSI-Skiathos Island National)

Cheap Flights from Philadelphia to Skiathos (PHL-JSI)

Prices were available within the past 7 days and start at $686 for one-way flights and $1,172 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Mar 31 - Tue, Apr 14
PHL
Philadelphia
JSI
Skiathos
$1,172 Roundtrip, found 4 days ago
$1,172
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Mar 31 from Philadelphia to Skiathos, returning Tue, Apr 14, priced at $1,172 found 4 days ago
Delta
Sun, Apr 5 - Wed, Apr 22
PHL
Philadelphia
JSI
Skiathos
$1,184 Roundtrip, found 4 days ago
$1,184
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Apr 5 from Philadelphia to Skiathos, returning Wed, Apr 22, priced at $1,184 found 4 days ago
Delta
Sun, Apr 26 - Mon, May 11
PHL
Philadelphia
JSI
Skiathos
$1,188 Roundtrip, found 4 days ago
$1,188
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Apr 26 from Philadelphia to Skiathos, returning Mon, May 11, priced at $1,188 found 4 days ago
American Airlines
Sat, Apr 4 - Tue, Apr 14
PHL
Philadelphia
JSI
Skiathos
$1,232 Roundtrip, found 4 days ago
$1,232
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Apr 4 from Philadelphia to Skiathos, returning Tue, Apr 14, priced at $1,232 found 4 days ago
Delta
Sun, Apr 12 - Sun, Apr 26
PHL
Philadelphia
JSI
Skiathos
$1,244 Roundtrip, found 4 days ago
$1,244
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Apr 12 from Philadelphia to Skiathos, returning Sun, Apr 26, priced at $1,244 found 4 days ago
American Airlines
Sun, Apr 19 - Fri, May 8
PHL
Philadelphia
JSI
Skiathos
$1,247 Roundtrip, found 4 days ago
$1,247
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Apr 19 from Philadelphia to Skiathos, returning Fri, May 8, priced at $1,247 found 4 days ago
Delta
Sun, Apr 12 - Fri, May 1
PHL
Philadelphia
JSI
Skiathos
$1,248 Roundtrip, found 4 days ago
$1,248
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Apr 12 from Philadelphia to Skiathos, returning Fri, May 1, priced at $1,248 found 4 days ago
Lufthansa
Tue, May 12 - Sat, May 23
PHL
Philadelphia
JSI
Skiathos
$1,267 Roundtrip, found 4 days ago
$1,267
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Tue, May 12 from Philadelphia to Skiathos, returning Sat, May 23, priced at $1,267 found 4 days ago
Air Canada
Sun, Mar 8 - Mon, Mar 23
PHL
Philadelphia
JSI
Skiathos
$1,311 Roundtrip, found 5 days ago
$1,311
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sun, Mar 8 from Philadelphia to Skiathos, returning Mon, Mar 23, priced at $1,311 found 5 days ago
United
Mon, May 18 - Tue, Jun 2
PHL
Philadelphia
JSI
Skiathos
$1,329 Roundtrip, found 4 days ago
$1,329
Roundtrip
found 4 days ago
Select United flight, departing Mon, May 18 from Philadelphia to Skiathos, returning Tue, Jun 2, priced at $1,329 found 4 days ago

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Skiathos Island National Airport (JSI) cost?
Snag a cheap one-way flight from $686 or cheap return flight from $1,172 from Philadelphia Intl. Airport (PHL) to Skiathos Island National Airport (JSI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Skiathos Island National Airport (JSI)?
The cheapest month to fly from PHL to JSI is March, when demand is low. Off-peak season is often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Skiathos Island National Airport (JSI)?
To find the cheapest airline that'll fly you from PHL to JSI, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Philadelphia Intl. Airport (PHL) to Skiathos Island National Airport (JSI)?
Nonstop flights from Philadelphia Intl. Airport (PHL) to Skiathos Island National Airport (JSI) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHL to JSI?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Skiathos Island National Airport (JSI)?
To touch down at Skiathos Island National Airport (JSI) without delays, choose a flight that takes off from Philadelphia Intl. Airport (PHL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Skiathos Island National Airport (JSI) last-minute?
Holding off until just before your departure to book a ticket from PHL to JSI often results in higher prices. While you may come across some last-minute discounts, there's no guarantee. Keep your travel schedule open for a better chance of snagging a bargain.
Is it cheaper to book a PHL to JSI flight and hotel package?
Compared with arranging hotels and flights separately, booking a PHL to JSI flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place will take the stress out of planning your trip. Just secure your flights and choose from our extensive range of stays, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Skiathos Island National Airport (JSI)?
In most cases, you're able to cancel or reschedule your PHL to JSI flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need further information, head to our Customer Service portal.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Skiathos Island National
Roundtrip price
$1,172
Distance
4951 mi

Book with confidence

Philadelphia to Skiathos Flights

The cheapest times to fly from Philadelphia to Skiathos

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Skiathos are during the month of March. You can find some of the cheapest flights from Philadelphia to Skiathos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Skiathos

Sunday is one of the best days to book for cheap flights from Philadelphia to Skiathos: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Philadelphia to Skiathos

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Skiathos in 2025. You can also book with separate airlines for your outbound and return journeys, from $686 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Skiathos flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Skiathos airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Philadelphia to Skiathos Flights

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*Available to One Key members.