Cheap Flights from Philadelphia (PHL) to Liege (LGG)

Popular airlines from Philadelphia Intl. Airport (PHL) to Liege (LGG)

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Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Liege Airport (LGG) cost?
Grab a cheap one-way flight or cheap return flight from Philadelphia Intl. Airport (PHL) to Liege Airport (LGG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Liege Airport (LGG)?
Planning your getaway for may help you find better deals, as it's the cheapest month for flights between PHL and LGG. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Liege Airport (LGG)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from PHL to LGG. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Philadelphia Intl. Airport (PHL) to Liege Airport (LGG)?
You'll need to take a flight with a layover if you're traveling from Philadelphia Intl. Airport (PHL) to Liege Airport (LGG). There are no daily direct flights 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 LGG?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the season, carrier 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 Liege Airport (LGG)?
To arrive at Liege Airport (LGG) without delays, opt for a flight that leaves from Philadelphia Intl. Airport (PHL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Liege Airport (LGG) last-minute?
Last-minute fares from PHL to LGG are usually more expensive. To secure the lowest prices, start looking for flights early. That being said, if you're flexible with your travel plans, you may find a cheap fare right before you leave.
Is it cheaper to book a PHL to LGG flight and hotel package?
Opting for a PHL to LGG flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our wide range of hotels and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Liege Airport (LGG)?
If you booked your PHL to LGG flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, 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 if you'd like more information.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Liege
Distance
3796 mi

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Philadelphia to Liege Flights

The cheapest times to fly from Philadelphia to Liege

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

 

The best time to book a flight from Philadelphia to Liege

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

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 Liege in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Liege 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 Liege 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 Liege Flights

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