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£344 Cheap Flights to Philadelphia County

View £344 flight on Wed, 2 Sept 2026Opens in a new window

Popular airlines to Philadelphia County

  • American Airlines

  • United

  • Delta

  • Frontier Airlines

  • JetBlue Airways

  • Southwest Airlines

  • Alaska Airlines

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Cheap round-trip flights to Philadelphia County

Prices were available within the past 7 days and start at £344 for one-way flights and £509 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Wed, 2 Sept - Tue, 8 Sept
LHR
London
PHL
Philadelphia
£509 Return, found 2 hours ago
£509
Return
found 2 hours ago
Select JetBlue Airways flight, departing Wed, 2 Sept from London to Philadelphia, returning Tue, 8 Sept, priced at £509 found 2 hours ago
American Airlines
Tue, 24 Nov - Tue, 1 Dec
LHR
London
PHL
Philadelphia
£512 Return, found 3 days ago
£512
Return
found 3 days ago
Select American Airlines flight, departing Tue, 24 Nov from London to Philadelphia, returning Tue, 1 Dec, priced at £512 found 3 days ago
Aer Lingus
Tue, 22 Sept - Wed, 30 Sept
LHR
London
PHL
Philadelphia
£533 Return, found 5 days ago
£533
Return
found 5 days ago
Select Aer Lingus flight, departing Tue, 22 Sept from London to Philadelphia, returning Wed, 30 Sept, priced at £533 found 5 days ago
British Airways
Wed, 18 Nov - Mon, 30 Nov
LHR
London
PHL
Philadelphia
£542 Return, found 3 days ago
£542
Return
found 3 days ago
Select British Airways flight, departing Wed, 18 Nov from London to Philadelphia, returning Mon, 30 Nov, priced at £542 found 3 days ago
British Airways
Mon, 28 Sept - Mon, 5 Oct
LCY
London
PHL
Philadelphia
£566 Return, found 2 days ago
£566
Return
found 2 days ago
Select British Airways flight, departing Mon, 28 Sept from London to Philadelphia, returning Mon, 5 Oct, priced at £566 found 2 days ago
Swiss International Air Lines
Mon, 28 Sept - Mon, 5 Oct
LCY
London
PHL
Philadelphia
£571 Return, found 2 days ago
£571
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Mon, 28 Sept from London to Philadelphia, returning Mon, 5 Oct, priced at £571 found 2 days ago
Scandinavian Airlines
Wed, 2 Sept - Sat, 5 Sept
LHR
London
PHL
Philadelphia
£583 Return, found 3 days ago
£583
Return
found 3 days ago
Select Scandinavian Airlines flight, departing Wed, 2 Sept from London to Philadelphia, returning Sat, 5 Sept, priced at £583 found 3 days ago
American Airlines
Mon, 28 Sept - Thu, 1 Oct
LHR
London
PHL
Philadelphia
£596 Return, found 2 days ago
£596
Return
found 2 days ago
Select American Airlines flight, departing Mon, 28 Sept from London to Philadelphia, returning Thu, 1 Oct, priced at £596 found 2 days ago
Finnair
Wed, 28 Oct - Mon, 16 Nov
LHR
London
PHL
Philadelphia
£598 Return, found 2 days ago
£598
Return
found 2 days ago
Select Finnair flight, departing Wed, 28 Oct from London to Philadelphia, returning Mon, 16 Nov, priced at £598 found 2 days ago
Lufthansa
Wed, 7 Oct - Tue, 13 Oct
LHR
London
PHL
Philadelphia
£630 Return, found 2 hours ago
£630
Return
found 2 hours ago
Select Lufthansa flight, departing Wed, 7 Oct from London to Philadelphia, returning Tue, 13 Oct, priced at £630 found 2 hours ago

Airports in Philadelphia County

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Philadelphia Intl. PHL. Cheapest option available. Flights from £1,167
PHL
Philadelphia Intl.
Cheapest
Flights from £1,167

Trending flights to Philadelphia County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Wed, 2 Sept - Tue, 8 Sept
LHR
London
PHL
Philadelphia
£509 Return, found 2 hours ago
£509
Return
found 2 hours ago
Select JetBlue Airways flight, departing Wed, 2 Sept from London to Philadelphia, returning Tue, 8 Sept, priced at £509 found 2 hours ago

Frequently asked questions

How do I find cheap flights to Philadelphia County that have flexible change policies?
At Expedia, we've been channeling our inner yoga master to bring you the most flexible fares around. Just tick the "No change fee" box directly underneath the filter subheading "Flexible change policies" to find your dream flight to Philadelphia County.
Which airlines fly to Philadelphia County?
Choose a seat with one of these airlines and dynamic Philadelphia County will be yours to explore:

  • American Airlines - 6,663 flights to or near Philadelphia County each month, including 6,663 flights to Philadelphia Intl. Airport (PHL) per month.
  • Frontier Airlines - 793 flights to or near Philadelphia County each month, including 793 flights to Philadelphia Intl. Airport (PHL) per month.
  • Delta Air Lines - 567 flights to or near Philadelphia County each month, including 567 flights to Philadelphia Intl. Airport (PHL) per month.

How can I find cheap tickets to Philadelphia County?
In the last seven days, £509 was the lowest price for a flight to Philadelphia County. If you want to save even more, book well in advance and be flexible with your travel dates. Search for your journey to Philadelphia County, then check out prices for nearby days by clicking on the "flexible dates" link above.
How much is a flight to Philadelphia County?
You could have nabbed a return flight to Philadelphia County from anywhere between £509 and £630 in the last seven days. For one-way trips leaving from London (LHR), the lowest price during this period was £344.
What are the most popular airports to fly into in Philadelphia County?
Fly into Philadelphia Intl. Airport (PHL) and experience everything that Philadelphia County has to offer. As the region's primary entry point, roughly 9,429 flights land here each month.
When is the cheapest time to fly to Philadelphia County?
If you're not fixed on what day you jet off to Philadelphia County, try to depart early in the week. The most affordable day to take off is usually Tuesday, followed closely by Monday. Saturday is typically the costliest day, with many people choosing to fly on the weekend.
How much is a plane ticket to Philadelphia County?
In the last seven days, flights to Philadelphia County ranged between £509 and £630. Prices generally depend on the departure time, airline, seating class and how early you make your booking.
What months are the cheapest to book a flight to Philadelphia County?
Snap up a ticket in February for inexpensive flights to Philadelphia County. The festive month of December is often the most expensive time to buy an airfare.

Book with confidence

Top tips for booking flights to Philadelphia County from UK

Get ready to fly to Philadelphia County

Prepare your luggage and book your flights to Philadelphia County with Expedia. We offer a seamless flight booking experience, with a wide range of Philadelphia County plane tickets to choose from. If you need help finding some of the best deals for cheap flights to Philadelphia County in 2026, we are always available to assist you. Book your flights to Philadelphia County today and let the adventure begin!

Find the best tickets to Philadelphia County

To find some of the best tickets to Philadelphia County in 2026, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to Philadelphia County or last-minute flights to Philadelphia County, you can filter and sort your search results, making it easy to find the ideal flight to Philadelphia County.

Airlines fly to Philadelphia County

There are 20 different airlines that fly to Philadelphia County including some of the most trusted names in the business. To book flights to Philadelphia County with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best Philadelphia County plane tickets.

Find the cheapest flights to Philadelphia County

By booking early you may find some of the best deals for Philadelphia County flights from the UK, including Philadelphia County direct flights. You can usually find affordable and cheap flights to Philadelphia County, whether one-way from £344 or round-trip from £509, with Expedia if you book your trip far enough in advance.

Find the best airports for cheap flights to Philadelphia County

Try searching for different Philadelphia County airports with Expedia to find some of the cheapest flights to Philadelphia County. Flights from London (LHR) to Philadelphia (PHL) usually have the lowest price from £344.

Why book your flights to Philadelphia County with Expedia

Expedia offers great deals on Philadelphia County air fares from £344 to cater to every budget. Not only is Expedia one of the top platforms to book flights to Philadelphia County from the UK, it is also your one-stop shop for booking hotels, car rentals, and more.

 

*Prices and availability are subject to change. Additional terms apply.

Top tips for booking flights to Philadelphia County from UK

Travel information

Philadelphia County Flights Information

Airlines serving
JetBlue Airways, British Airways, Aer Lingus, Air Canada, Swiss International Air Lines, Lufthansa, American Airlines, Brussels Airlines, Scandinavian Airlines, Finnair
Roundtrip price
from £509
Philadelphia County Flights Information
*Available to Expedia members.