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$540+ Cheap flights from Billund (BLL) to Philadelphia (PHL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
BLL — PHL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Billund to Philadelphia

Cheapest flights from Billund to Philadelphia
Explore the most affordable flight options available from Billund to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:30 amBLL - PHL
2 stops23h 00mUnited Airlines
Thu 1/16:35 amPHL - BLL
2 stops21h 10mUnited Airlines
Deal found 12/11$799
This Flysmarter deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:30 amBLL - PHL
2 stops23h 00mMultiple Airlines
Thu 1/15:40 pmPHL - BLL
1 stop13h 40mMultiple Airlines
Deal found 12/11$936
This Trip.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:50 pmBLL - PHL
1 stop25h 25mBritish Airways
Thu 1/16:35 pmPHL - BLL
1 stop19h 25mBritish Airways
Deal found 12/11$1,388

Find flight deals from Billund to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Billund (BLL) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$540
(United Airlines)

Popular in

July

Cheapest in

April

Average price

$599
Provider with most accurate pricing for Billund-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Billund-Philadelphia flights.
Search Deals
From Billund to Philadelphia
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Billund to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Billund to Philadelphia that are best for you.

Fly from

Billund

Fly to

Philadelphia

Route

Depart

Return

Price

BillundPhiladelphia

BLL - PHL

BLLPHL

Billund

Thu 1/29

6:30 am-4:05 pm

1 stop15h 35m

Philadelphia

Mon 2/2

6:30 am-1:20 pm

2 stops24h 50m

$540

BillundPhiladelphia

BLL - PHL

BLLPHL

Billund

Thu 1/29

1:00 pm-4:15 pm

1 stop33h 15m

Philadelphia

Mon 2/2

6:35 pm-12:20 pm

1 stop11h 45m

$566

BillundPhiladelphia

BLL - PHL

BLLPHL

Billund

Sun 12/28

6:30 am-11:30 pm

2 stops23h 00m

Philadelphia

Thu 1/1

6:35 am-9:45 am

2 stops21h 10m

$799

BillundPhiladelphia

BLL - PHL

BLLPHL

Billund

Sun 12/28

6:30 am-11:30 pm

2 stops23h 00m

Philadelphia

Thu 1/1

5:40 pm-1:20 pm

1 stop13h 40m

$936

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Billund to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Billund to Philadelphia in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Billund-Philadelphia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Billund-Philadelphia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Billund-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billund-Philadelphia flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Billund-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Billund to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Billund with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Billund to Philadelphia

What is the cheapest month to book a flight from Billund to Philadelphia?

Currently, February is the cheapest month in which you can book a flight from Billund to Philadelphia (average of $353). Flying from Billund to Philadelphia in July is currently the most expensive (average of $516). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Billund to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Billund to Philadelphia?

    A quick flight from Billund to Philadelphia can take about 15h 35m. United Airlines provides one of the quickest options available for as low as $540. Airlines will cover a distance of 3804 mi.

  • Can I find deals for flights from Billund to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Billund to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Billund to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billund to Philadelphia.

  • Can I find deals for business class flights from Billund to Philadelphia?

    Yes. Cheapflights offers flight deals from Billund to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Billund to Philadelphia?

    Currently, February is the cheapest month in which you can book a flight from Billund to Philadelphia (average of $353). Flying from Billund to Philadelphia in July is currently the most expensive (average of $516). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Pottstown
King of Prussia
Reading
Ocean City
Cherry Hill
Lewes
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Newark
Millville
Chester

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