Cheap flights from Philadelphia to Luxembourg

Compare Philadelphia to Luxembourg flight deals

Find the cheapest month or even day of the year to fly to Luxembourg

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Find the cheapest month to fly from Philadelphia to Luxembourg

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia to Luxembourg flights are currently cheapest in September.

Philadelphia to Luxembourg: Alternative routes

Compare routes from Philadelphia to Luxembourg below. You may find an airport to fly into that's cheaper, faster, or easier than Luxembourg.

Philadelphia to Luxembourg: Flight information

The things to know before you go.
Cheapest flight found$504
Cheapest month to flySeptember

Finding cheap flights from Philadelphia to Luxembourg: Frequently asked questions

The best price we found for a return flight from Philadelphia to Luxembourg is $904. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Philadelphia to Luxembourg. But we found flights with one stop from $905.
As of May 2026, there are no flights flying from Philadelphia to Luxembourg.
The cheapest month to fly from Philadelphia to Luxembourg is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Luxembourg Airport on Tuesday, 11 August 2026.
No airlines currently offer direct flights between Philadelphia and Luxembourg Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Luxembourg but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Luxembourg is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Luxembourg is United .

Flying from Philadelphia to Luxembourg Airport (LUX): What you need to know

  • Planning your trip begins with figuring out where you'll fly out of in Philadelphia. Philadelphia International Airport (PHL) is the city's main base, so check out your options for booking a flight from Philadelphia to Luxembourg Airport (LUX) jetting off from here.

  • Luxembourg Airport is located in Luxembourg. The city operates on the UTC+1 timezone and is five hours ahead of Philadelphia.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Show up at the airport on time to catch your flight from Philadelphia to LUX.

  • Longer lines at security and check-in are more likely if you're jetting off during high season, so give yourself even more breathing space. The recommendation for peak periods? Get there up to four hours early for international flights and at least two hours for domestic departures.

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • A stopover is the ideal opportunity to take a break from travelling and maybe even explore a different city. When searching for cheap flights from Philadelphia to LUX leaving from Philadelphia International Airport (PHL), deselect the 'Direct flights only' box to find all potential stops. Some popular options include:

    • London Heathrow Airport (LHR)

    • Amsterdam Airport Schiphol (AMS)

    • Charles de Gaulle Airport (CDG)

  • The journey from central Philadelphia to PHL takes about 45 minutes by public transport. If you drive, ride-share or take a cab, you'll cover the 19 kilometres in 15 minutes or so, depending on traffic conditions.

  • Looking for a convenient hotel close to Philadelphia International Airport? If you've booked an early flight from Philadelphia to Luxembourg Airport, these accommodation options will have you sleeping conveniently close to check-in:

  • 78.93% of flights that depart Philadelphia International Airport arrive at their destination on time.

  • PHL's address is 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

  • TTN is about 56 kilometres from central Philadelphia. It'll take you 40 minutes or so to get to the airport in a car from the city centre. Public transport takes approximately 1 hour 45 minutes.

  • Catching an early morning flight? You might like to check in to one of these hotels near Trenton-Mercer Airport the day before your Philadelphia to LUX flight:

  • Flights from Trenton-Mercer Airport have a strong track record for punctuality, with 82.45% of them touching down within the expected time frame.

  • The address for TTN is Scotch Road, Terminal Building.

About Luxembourg Airport (LUX)

  • Consider staying in a hotel close to LUX if you're catching a late flight from Philadelphia to Luxembourg Airport. Pick one of these options and call it a night faster:

  • Grab a Luxembourg Airport rental car and explore Luxembourg and beyond with your own set of wheels. Keddy By Europcar, Alamo and Europcar are well-known companies to choose from here.

  • Lock in the best rate by booking your ride around three weeks before your Philadelphia to Luxembourg Airport flight.

Getting from Luxembourg Airport (LUX) to central Luxembourg

  • Luxembourg Airport is around 6 kilometres from central Luxembourg. How long it'll take to get to the centre in a cab or car hire depends on the time of day. Do some research before your trip.

  • Travelling by public transport takes roughly 30 minutes.

How to find the cheapest flights from Philadelphia to Luxembourg Airport (LUX)

  • $505 is the best price for a one-way ticket from Philadelphia to Luxembourg Airport. Return flights start from $905. These prices can change depending on availability and demand.

  • Booking ahead of time is often the key to finding a cheap flight from Philadelphia to LUX. Airlines adjust prices based on demand, so the closer you get to departure, the more you'll likely pay.

  • Affordable Philadelphia to Luxembourg Airport tickets are easier to find if you're not locked into specific dates. Use the 'Whole month' search tool to compare fares across the month and then pick the cheapest day.

  • Snapping up a cheap plane ticket from Philadelphia to LUX is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch when the price has dropped.

  • Hunt down a great price on a flight from Philadelphia to Luxembourg Airport with the help of the filters. Pick your preferred departure and arrival times, airlines and number of stops. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest.'

The best time to fly from Philadelphia to Luxembourg Airport (LUX)

  • Think about the pace you're looking for when deciding when to fly. February is the quietest month to visit Luxembourg. July is when most people book flights from Philadelphia to Luxembourg Airport (LUX), which may be perfect if you're after more excitement.

  • The warmest month in Luxembourg is July, with temperatures ranging between 9ºC (48ºF) and 26ºC (79ºF). Lock in your Philadelphia to LUX plane ticket then if this is the type of weather you enjoy.

  • January sees temperatures of between -4ºC (25ºF) and 6ºC (43ºF). Search for cheap tickets from Philadelphia to Luxembourg Airport around that time if you want to travel when it's cooler.

More about Luxembourg

  • When it comes to looking for somewhere to rest your head, you'll find the most popular stays in Luxembourg right here. Explore these hotels after you've booked your flight from Philadelphia to Luxembourg Airport:

  • There are so many things to discover in this city, it can be difficult to know where to begin. Notre Dame Cathedral (Cathedrale Notre Dame), Luxembourg American Cemetery and Grand Ducal Palace are top sights which should feature on any good Luxembourg itinerary.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.