Cheap Flights from Philadelphia (PHL) to Lille (LIL)

Popular airlines from Philadelphia Intl. Airport (PHL) to Lille (LIL-Lesquin)

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Flights from Philadelphia (PHL) to Lille (LIL)
Origin airport
Philadelphia Intl.
Destination airport
Lesquin
Distance
3701 mi

Philadelphia to Lille Flights

The cheapest times to fly from Philadelphia to Lille

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

 

The best time to book a flight from Philadelphia to Lille

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

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 Lille 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 Lille 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 Lille 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 Lesquin Airport (LIL) cost?
Snag a cheap one-way flight or cheap return flight from Philadelphia Intl. Airport (PHL) to Lesquin Airport (LIL) 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 Lesquin Airport (LIL)?
The cheapest month to fly from PHL to LIL is , when there's less demand. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Lesquin Airport (LIL)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest PHL to LIL flight.
How many flights per day from Philadelphia Intl. Airport (PHL) to Lesquin Airport (LIL)?
There are no daily direct flights from Philadelphia Intl. Airport (PHL) to Lesquin Airport (LIL). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from PHL to LIL?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on various factors, including the season and airline.*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 Lesquin Airport (LIL)?
To avoid potential delays on the Philadelphia Intl. Airport (PHL) to Lesquin Airport (LIL) route, fly before 3 PM. Flights after this time have a 22% higher chance of being 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 Lesquin Airport (LIL) last-minute?
Waiting until just before your departure to book a ticket from PHL to LIL often results in higher prices. While you might find some last-minute offers, they aren't always guaranteed. Be flexible with your travel plans to boost your chances of getting a bargain.
Is it cheaper to book a PHL to LIL flight and hotel package?
You'll generally save money by securing a PHL to LIL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your preferred flights and accommodations, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Lesquin Airport (LIL)?
Typically, you're able to reschedule or cancel your PHL to LIL flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want further details, go to our Customer Service portal.

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