$590 Cheap Flights from Philadelphia (PHL) to Argostolion (EFL)

View $590 flight on Wed, Sep 3, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Argostolion (EFL-Kefalonia Island Intl.)

Cheap Flights from Philadelphia to Argostolion (PHL-EFL)

Prices were available within the past 7 days and start at $590 for one-way flights and $829 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Fri, Aug 15 - Tue, Aug 19
PHL
Philadelphia
EFL
Kefalonia
$829 Roundtrip, found 6 days ago
$829
Roundtrip
found 6 days ago
Select British Airways flight, departing Fri, Aug 15 from Philadelphia to Kefalonia, returning Tue, Aug 19, priced at $829 found 6 days ago
Flights from Philadelphia (PHL) to Argostolion (EFL)
Origin airport
Philadelphia Intl.
Destination airport
Kefalonia Island Intl.
Roundtrip price
$829
Distance
4864 mi

Philadelphia to Argostolion Flights

The cheapest times to fly from Philadelphia to Argostolion

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 Argostolion are during the month of August. You can find some of the cheapest flights from Philadelphia to Argostolion with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Argostolion

Sunday is one of the best days to book for cheap flights from Philadelphia to Argostolion: 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 Argostolion

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 Argostolion in 2025. You can also book with separate airlines for your outbound and return journeys, from $590 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 Argostolion 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 Argostolion 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.

 

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Kefalonia Island Intl. Airport (EFL) cost?
Lock in a cheap one-way flight from $590 or cheap return flight from $829 from Philadelphia Intl. Airport (PHL) to Kefalonia Island Intl. Airport (EFL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Kefalonia Island Intl. Airport (EFL)?
The cheapest month to fly from PHL to EFL is August, when demand is low. Off-peak months are generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Kefalonia Island Intl. Airport (EFL)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from PHL to EFL. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Philadelphia Intl. Airport (PHL) to Kefalonia Island Intl. Airport (EFL)?
There aren't any daily direct flights from Philadelphia Intl. Airport (PHL) to Kefalonia Island Intl. Airport (EFL). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from PHL to EFL?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the season, airline and other factors.*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 Kefalonia Island Intl. Airport (EFL)?
Select a flight from Philadelphia Intl. Airport (PHL) to Kefalonia Island Intl. Airport (EFL) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**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 Kefalonia Island Intl. Airport (EFL) last-minute?
Last-minute bookings from PHL to EFL are generally more expensive. To lock in the lowest prices, start searching for flights as early as possible. That said, if your travel plans are flexible, you may land a cheap ticket right before your trip.
Is it cheaper to book a PHL to EFL flight and hotel package?
Compared with arranging hotels and flights separately, booking a PHL to EFL flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place will take the hassle out of travel planning. Just pick your flights and select from our extensive range of stays, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Kefalonia Island Intl. Airport (EFL)?
If you booked your PHL to EFL flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.