$854 Cheap Flights from Cluj-Napoca (CLJ) to Philadelphia (PHL)

View $854 flight on Tue, Mar 10, 2026Opens in a new window

Popular airlines from Cluj-Napoca (CLJ) to Philadelphia Intl. Airport (PHL)

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Cheap Flights from Cluj-Napoca to Philadelphia (CLJ-PHL)

Prices were available within the past 7 days and start at $854 for one-way flights and $663 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Thu, Apr 16 - Sun, Aug 9
CLJ
Cluj-Napoca
PHL
Philadelphia
$663 Roundtrip, found 18 hours ago
$663
Roundtrip
found 18 hours ago
Select Swiss International Air Lines flight, departing Thu, Apr 16 from Cluj-Napoca to Philadelphia, returning Sun, Aug 9, priced at $663 found 18 hours ago
Swiss International Air Lines
Thu, Apr 16 - Sun, Aug 9
CLJ
Cluj-Napoca
PHL
Philadelphia
$667 Roundtrip, found 18 hours ago
$667
Roundtrip
found 18 hours ago
Select Swiss International Air Lines flight, departing Thu, Apr 16 from Cluj-Napoca to Philadelphia, returning Sun, Aug 9, priced at $667 found 18 hours ago
Swiss International Air Lines
Thu, Apr 16 - Sun, Aug 9
CLJ
Cluj-Napoca
PHL
Philadelphia
$670 Roundtrip, found 18 hours ago
$670
Roundtrip
found 18 hours ago
Select Swiss International Air Lines flight, departing Thu, Apr 16 from Cluj-Napoca to Philadelphia, returning Sun, Aug 9, priced at $670 found 18 hours ago
Swiss International Air Lines
Thu, Apr 16 - Sun, Aug 9
CLJ
Cluj-Napoca
PHL
Philadelphia
$674 Roundtrip, found 18 hours ago
$674
Roundtrip
found 18 hours ago
Select Swiss International Air Lines flight, departing Thu, Apr 16 from Cluj-Napoca to Philadelphia, returning Sun, Aug 9, priced at $674 found 18 hours ago
Lufthansa
Thu, Apr 16 - Sun, Aug 9
CLJ
Cluj-Napoca
PHL
Philadelphia
$676 Roundtrip, found 18 hours ago
$676
Roundtrip
found 18 hours ago
Select Lufthansa flight, departing Thu, Apr 16 from Cluj-Napoca to Philadelphia, returning Sun, Aug 9, priced at $676 found 18 hours ago
Swiss International Air Lines
Thu, Apr 16 - Sun, Aug 9
CLJ
Cluj-Napoca
PHL
Philadelphia
$676 Roundtrip, found 18 hours ago
$676
Roundtrip
found 18 hours ago
Select Swiss International Air Lines flight, departing Thu, Apr 16 from Cluj-Napoca to Philadelphia, returning Sun, Aug 9, priced at $676 found 18 hours ago
Lufthansa
Thu, Apr 16 - Sun, Aug 9
CLJ
Cluj-Napoca
PHL
Philadelphia
$680 Roundtrip, found 18 hours ago
$680
Roundtrip
found 18 hours ago
Select Lufthansa flight, departing Thu, Apr 16 from Cluj-Napoca to Philadelphia, returning Sun, Aug 9, priced at $680 found 18 hours ago
Swiss International Air Lines
Thu, Apr 16 - Sun, Aug 9
CLJ
Cluj-Napoca
PHL
Philadelphia
$695 Roundtrip, found 18 hours ago
$695
Roundtrip
found 18 hours ago
Select Swiss International Air Lines flight, departing Thu, Apr 16 from Cluj-Napoca to Philadelphia, returning Sun, Aug 9, priced at $695 found 18 hours ago
Air Canada
Wed, Jan 21 - Tue, Feb 3
CLJ
Cluj-Napoca
PHL
Philadelphia
$737 Roundtrip, found 6 days ago
$737
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Jan 21 from Cluj-Napoca to Philadelphia, returning Tue, Feb 3, priced at $737 found 6 days ago
United
Thu, Jan 15 - Thu, Feb 5
CLJ
Cluj-Napoca
PHL
Philadelphia
$742 Roundtrip, found 6 days ago
$742
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jan 15 from Cluj-Napoca to Philadelphia, returning Thu, Feb 5, priced at $742 found 6 days ago
Flights from Cluj-Napoca (CLJ) to Philadelphia (PHL)
Origin airport
Cluj-Napoca
Destination airport
Philadelphia Intl.
Airlines serving
Air Canada, Lufthansa, United
Roundtrip price
$663
Distance
4650 mi

Cluj-Napoca to Philadelphia Flights

The cheapest times to fly from Cluj-Napoca to Philadelphia

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

 

The best time to book a flight from Cluj-Napoca to Philadelphia

Sunday is one of the best days to book for cheap flights from Cluj-Napoca to Philadelphia: 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 Cluj-Napoca to Philadelphia

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 Cluj-Napoca to Philadelphia in 2026. You can also book with separate airlines for your outbound and return journeys, from $854 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 Cluj-Napoca to Philadelphia 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 Cluj-Napoca to Philadelphia 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 Cluj-Napoca Airport (CLJ) to Philadelphia Intl. Airport (PHL) cost?
Lock in a cheap one-way flight from $854 or cheap return flight from $663 from Cluj-Napoca Airport (CLJ) to Philadelphia Intl. Airport (PHL) 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 Cluj-Napoca Airport (CLJ) to Philadelphia Intl. Airport (PHL)?
The cheapest month to fly from CLJ to PHL is April, when demand is low. Off-peak season is usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Cluj-Napoca Airport (CLJ) to Philadelphia Intl. Airport (PHL)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from CLJ to PHL. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Cluj-Napoca Airport (CLJ) to Philadelphia Intl. Airport (PHL)?
Nonstop flights from Cluj-Napoca Airport (CLJ) to Philadelphia Intl. Airport (PHL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CLJ to PHL?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a range of factors, such as the time of year 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 Cluj-Napoca Airport (CLJ) to Philadelphia Intl. Airport (PHL)?
Book a flight from Cluj-Napoca Airport (CLJ) to Philadelphia Intl. Airport (PHL) that leaves before 3 PM to reduce the risk of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**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 Cluj-Napoca Airport (CLJ) to Philadelphia Intl. Airport (PHL) last-minute?
Last-minute fares from CLJ to PHL are generally more expensive. For the lowest prices, start looking for flights as early as possible. That said, if you can play around with your travel dates, it's possible to score a cheap fare right before your trip.
Is it cheaper to book a CLJ to PHL flight and hotel package?
You'll generally save money by securing a CLJ to PHL 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 everything in one place. After selecting your ideal accommodations and flights, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Cluj-Napoca Airport (CLJ) to Philadelphia Intl. Airport (PHL)?
Typically, you can modify or cancel your CLJ to PHL flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want further details, head to our Customer Service portal.

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*Available to One Key members.