$500 Cheap Flights from Philadelphia (PHL) to Ljubljana (LJU)

View $500 flight on Wed, Dec 10, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Joze Pucnik Airport (LJU)

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Cheap Flights from Philadelphia to Ljubljana (PHL-LJU)

Prices were available within the past 7 days and start at $500 for one-way flights and $728 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, Jan 11 - Wed, Jan 21
PHL
Philadelphia
LJU
Ljubljana
$728 Roundtrip, found 1 day ago
$728
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sun, Jan 11 from Philadelphia to Ljubljana, returning Wed, Jan 21, priced at $728 found 1 day ago
Air Canada
Wed, Nov 12 - Thu, Nov 20
PHL
Philadelphia
LJU
Ljubljana
$731 Roundtrip, found 5 days ago
$731
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Nov 12 from Philadelphia to Ljubljana, returning Thu, Nov 20, priced at $731 found 5 days ago
Swiss International Air Lines
Sun, Jan 11 - Wed, Jan 21
PHL
Philadelphia
LJU
Ljubljana
$733 Roundtrip, found 1 day ago
$733
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Sun, Jan 11 from Philadelphia to Ljubljana, returning Wed, Jan 21, priced at $733 found 1 day ago
Air Canada
Sun, Jan 11 - Wed, Jan 21
PHL
Philadelphia
LJU
Ljubljana
$735 Roundtrip, found 1 day ago
$735
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sun, Jan 11 from Philadelphia to Ljubljana, returning Wed, Jan 21, priced at $735 found 1 day ago
Lufthansa
Tue, Dec 2 - Tue, Dec 9
PHL
Philadelphia
LJU
Ljubljana
$735 Roundtrip, found 6 days ago
$735
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Tue, Dec 2 from Philadelphia to Ljubljana, returning Tue, Dec 9, priced at $735 found 6 days ago
Lufthansa
Sun, Jan 11 - Wed, Jan 21
PHL
Philadelphia
LJU
Ljubljana
$735 Roundtrip, found 1 day ago
$735
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Jan 11 from Philadelphia to Ljubljana, returning Wed, Jan 21, priced at $735 found 1 day ago
Air Canada
Mon, Dec 29 - Fri, Jan 9
PHL
Philadelphia
LJU
Ljubljana
$738 Roundtrip, found 2 days ago
$738
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, Dec 29 from Philadelphia to Ljubljana, returning Fri, Jan 9, priced at $738 found 2 days ago
Air Canada
Mon, Dec 29 - Fri, Jan 9
PHL
Philadelphia
LJU
Ljubljana
$739 Roundtrip, found 2 days ago
$739
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, Dec 29 from Philadelphia to Ljubljana, returning Fri, Jan 9, priced at $739 found 2 days ago
United
Mon, Dec 29 - Fri, Jan 9
PHL
Philadelphia
LJU
Ljubljana
$750 Roundtrip, found 2 days ago
$750
Roundtrip
found 2 days ago
Select United flight, departing Mon, Dec 29 from Philadelphia to Ljubljana, returning Fri, Jan 9, priced at $750 found 2 days ago
British Airways
Tue, Apr 14 - Mon, Apr 20
PHL
Philadelphia
LJU
Ljubljana
$822 Roundtrip, found 1 day ago
$822
Roundtrip
found 1 day ago
Select British Airways flight, departing Tue, Apr 14 from Philadelphia to Ljubljana, returning Mon, Apr 20, priced at $822 found 1 day ago
Flights from Philadelphia (PHL) to Ljubljana (LJU)
Origin airport
Philadelphia Intl.
Destination airport
Joze Pucnik
Airlines serving
British Airways, Brussels Airlines, Finnair, KLM, Lufthansa, Swiss International Air Lines
Roundtrip price
$728
Distance
4299 mi

Philadelphia to Ljubljana Flights

The cheapest times to fly from Philadelphia to Ljubljana

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

 

The best time to book a flight from Philadelphia to Ljubljana

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

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 Ljubljana in 2025. You can also book with separate airlines for your outbound and return journeys, from $500 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 Ljubljana 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 Ljubljana 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 Joze Pucnik Airport (LJU) cost?
Discover the latest flight deals from PHL to LJU by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PHL to LJU?
The cheapest flights from PHL to LJU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PHL to LJU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PHL to LJU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Philadelphia Intl. Airport (PHL) to Joze Pucnik Airport (LJU)?
You'll need to hop on a flight with a layover if you're traveling from Philadelphia Intl. Airport (PHL) to Joze Pucnik Airport (LJU). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from PHL to LJU?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change 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 Joze Pucnik Airport (LJU)?
To avoid possible delays on the Philadelphia Intl. Airport (PHL) to Joze Pucnik Airport (LJU) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Joze Pucnik Airport (LJU) last-minute?
Waiting until just before your trip to book a flight from PHL to LJU often results in higher prices. While you may come across some last-minute offers, they aren't always guaranteed. Be flexible with your itinerary for a better chance of getting a bargain.
Is it cheaper to book a PHL to LJU flight and hotel package?
Compared with arranging hotels and flights separately, booking a PHL to LJU flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place will take the stress out of travel planning. Simply pick your flights and choose from our extensive range of hotels, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Joze Pucnik Airport (LJU)?
In most instances, you can reschedule or cancel your PHL to LJU flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need more information, head to our Customer Service portal.

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*Available to One Key members.