$477 Find Cheap Flights from Philadelphia to Luxembourg

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to Luxembourg departing on 3/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Book Cheap Philadelphia to Luxembourg Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to Luxembourg that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Luxembourg

Sun, Mar 22 - Tue, Apr 7
British Airways Logo
7:35 pm - 4:15 pm
PHL
-
LUX
15h 40m
1 stop
British Airways Logo
11:30 am - 4:40 pm
LUX
-
PHL
11h 10m
1 stop
$477British Airways
Wed, Apr 1 - Wed, Apr 8
KLM Logo
5:33 pm - 2:05 pm
PHL
-
LUX
14h 32m
2 stops
KLM Logo
10:25 am - 9:23 pm
LUX
-
PHL
16h 58m
2 stops
$492KLM
Wed, Apr 1 - Wed, Apr 8
British Airways Logo
1:38 pm - 10:45 am
PHL
-
LUX
15h 07m
2 stops
British Airways Logo
11:35 am - 4:40 pm
LUX
-
PHL
11h 05m
1 stop
$520British Airways
Wed, Apr 1 - Wed, Apr 8
British Airways Logo
6:45 pm - 10:45 am
PHL
-
LUX
10h 00m
1 stop
British Airways Logo
11:35 am - 4:40 pm
LUX
-
PHL
11h 05m
1 stop
$553British Airways
Thu, Apr 9 - Thu, Apr 16
British Airways Logo
6:45 pm - 10:25 am
PHL
-
LUX
9h 40m
1 stop
British Airways Logo
11:45 am - 4:40 pm
LUX
-
PHL
10h 55m
1 stop
$566British Airways
Sun, Apr 12 - Sun, Apr 19
British Airways Logo
6:45 pm - 10:40 am
PHL
-
LUX
9h 55m
1 stop
British Airways Logo
12:15 pm - 11:59 pm
LUX
-
PHL
17h 44m
2 stops
$576British Airways
Thu, Apr 9 - Thu, Apr 16
Multiple Airlines Logo
9:15 am - 10:20 am
PHL
-
LUX
19h 05m
2 stops
Multiple Airlines Logo
6:05 am - 2:46 pm
LUX
-
PHL
14h 41m
2 stops
$587Multiple Airlines
Thu, Apr 9 - Thu, Apr 16
British Airways Logo
5:55 pm - 9:25 am
PHL
-
LUX
33h 30m
2 stops
British Airways Logo
11:45 am - 4:40 pm
LUX
-
PHL
10h 55m
1 stop
$608British Airways
Sun, Mar 22 - Tue, Apr 7
Multiple Airlines Logo
6:40 pm - 8:50 am
PHL
-
LUX
33h 10m
2 stops
Multiple Airlines Logo
2:25 pm - 3:44 pm
LUX
-
PHL
31h 19m
2 stops
$612Multiple Airlines
Wed, May 20 - Sat, May 30
United Airlines Logo
6:00 am - 4:10 pm
PHL
-
LUX
28h 10m
2 stops
United Airlines Logo
8:20 am - 9:28 pm
LUX
-
PHL
19h 08m
2 stops
$614United Airlines
Booking Insights

KAYAK's insights & trends for Philadelphia to Luxembourg flights

Get data-powered insights and trends into flights from Philadelphia to Luxembourg to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Philadelphia to Luxembourg?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Philadelphia to Luxembourg were found on British Airways ($477) and KLM ($492).

Good to know

Low seasonDecember
Cheapest flight$477
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly with an average 9% increase in price.
Flight from Philadelphia to Luxembourg

FAQs - booking Luxembourg flights

  • How does KAYAK find such low prices on flights from Philadelphia to Luxembourg?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to Luxembourg.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Philadelphia to Luxembourg?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Philadelphia to Luxembourg is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Philadelphia to Luxembourg?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Philadelphia to Luxembourg with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Philadelphia to Luxembourg?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Philadelphia to Luxembourg up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Philadelphia to Luxembourg

 
Need help choosing which airline to fly with from Philadelphia to Luxembourg? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
6.8
LufthansaOverall score based on 7815 reviews
6.5Entertainment
6.3Food
7.0Boarding
7.6Crew
6.8Comfort
Airline reviews

Very good, i got two seats for myself, and was comfortable with the blanket i got

8.0 ExcellentAnonymous, Feb 2026
DEN - FRA
Read more Lufthansa reviews

Very good, i got two seats for myself, and was comfortable with the blanket i got

I hated the FRA Airport. Confusing signage, including the path to Immigration and Security It seems that the airport grew haphazardly over the years. I have been through multiple WW Hubs with much better experiences.

Economy Priority seats are extremely uncomfortable. There is no way to escape the boxed in feeling, particularely because the distance between to rows are too short, the hard edge of the front row is keeping legs confined. There is no elevated place to put your feet. I am of average, European size.

Terrible. Both flights were significantly delayed, no luggage, made me check my small bag when many, many others had much larger carry-ons, not even a bottle of water . . . I will not fly Discover Airlines again.

I was deceived on the Kayak site expecting a ticket, but instead finding a "standby" reservation. When I tried to change the ticket, I paid almost twice the price of the original ticket. Then, the airline refused to give me the reserved seat I had chosen and paid for. I think I deserve a refund for this leg of my trip because I was doubly charged and did not receive what I had paid for. I put in a complaint with Lufthansa because the ticket was sold originally sold as a flight they listed. Someone here needs to take responsibility.

Excellent service; they helped me reschedule so I can fly in an earlier flight

I had a good comfortable seat. There was nearly an hour delay. There was an accident with the champagne, but I was well compensated. These things happen sometimes.

Service and food were excellent. Incredibly friendly and competent staff. Flight was delayed over and hour and I had to run between terminals to get my connecting flight.

Missed it by a couple minutes and couldn’t find an alternative flight so had to spend the night in DC and after much shuffling from 1 airline to another managed to get a United to Frankfurt.

There were only 2 toilets and one of them did not work in business class. We are not allowed to cross classes so had to wait in line to use the toilets!! The entertainment touch display was finicky and did not work all the time.

Good service, food and comfort in World Traveller Plus. Entertainment was poor - no wifi on the way out and barely working on the way back. Not a great choice of entertainment on the seat back tv.

Late! Late and late! More than 1hr 30mn. This sucks when it is the last of a 4 flight journey. I missed my dinner! Which is not nice on Valentine’s Day!!! But better than the gate next to us, the poor Chinese people were rebooked to the next day flight. AA had to call security as it became very heated with the passengers! It was a mess at DFW that afternoon/evening. I wish they had some food for the people who travel as part of international journey. Indigo does it in India and it is fantastic.

They had us seating down for one hour just waiting on the plane

Flying with BA is always a good experience—even in economy class. It is better if in business and first class. Timely, breeze through security and timely connections

We waited at BOS at the gate for an hour and couldn’t get a drink or anything. Once in the air the service, food and ride was excellent.

My enetertainmnet screen was broken. Lost my bags. Almost missed my flight do to connection issues with (despite a request) ZERO help from crew. Food was edible. Potatoes pretty good even

Our Jackson, Mississippi to Dallas Fort Worth flight was delayed on 1/19/26.. This was changed to Jackson to Charlotte in the last minute because of this delay. This started some kind of disconnect between American Airlines and British Airways bookings. We could not go past the passport control in London Heathrow. I had to go to the counter and waited for more than 30 minutes to get a new boarding pass. Problems did not end there. Somehow our entire return flight was canceled by someone. I had to make several phone calls over several days to fix the problem – this was not easy from India. Looks like there was some kind of disconnect between two airlines or some agent did not do it right. I’m anxious to know what went wrong.

The issue was not with BA it was with the link yoiu sent fopr booking the flight

Loved the boarding option from Business class lounge, experience on flight was excellent, plenty of good food choices

Getting the boarding passes between the BA and AA apps was very clunky.

Everything you need to know for your flight from Philadelphia to Luxembourg

Information on your arrival and departure airports