£343 Cheap Flights to Philadelphia County

View £343 flight on Fri, 4 Sept 2026Opens in a new window

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Popular airlines to Philadelphia County

  • Frontier Airlines

  • American Airlines

  • Delta

  • United

  • 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 £343 for one-way flights and £529 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue, 26 May - Tue, 2 Jun
LGW
London
PHL
Philadelphia
£529 Return, found 6 hours ago
£529
Return
found 6 hours ago
Select JetBlue Airways flight, departing Tue, 26 May from London to Philadelphia, returning Tue, 2 Jun, priced at £529 found 6 hours ago
JetBlue Airways
Wed, 4 Nov - Mon, 9 Nov
LHR
London
PHL
Philadelphia
£540 Return, found 1 day ago
£540
Return
found 1 day ago
Select JetBlue Airways flight, departing Wed, 4 Nov from London to Philadelphia, returning Mon, 9 Nov, priced at £540 found 1 day ago
American Airlines
Wed, 4 Nov - Mon, 9 Nov
LHR
London
PHL
Philadelphia
£581 Return, found 1 day ago
£581
Return
found 1 day ago
Select American Airlines flight, departing Wed, 4 Nov from London to Philadelphia, returning Mon, 9 Nov, priced at £581 found 1 day ago
Aer Lingus
Mon, 23 Nov - Thu, 10 Dec
LHR
London
PHL
Philadelphia
£605 Return, found 16 hours ago
£605
Return
found 16 hours ago
Select Aer Lingus flight, departing Mon, 23 Nov from London to Philadelphia, returning Thu, 10 Dec, priced at £605 found 16 hours ago
TAP Portugal
Wed, 14 Oct - Thu, 29 Oct
LGW
London
PHL
Philadelphia
£619 Return, found 1 day ago
£619
Return
found 1 day ago
Select TAP Portugal flight, departing Wed, 14 Oct from London to Philadelphia, returning Thu, 29 Oct, priced at £619 found 1 day ago
British Airways
Wed, 4 Nov - Mon, 9 Nov
LHR
London
PHL
Philadelphia
£627 Return, found 1 day ago
£627
Return
found 1 day ago
Select British Airways flight, departing Wed, 4 Nov from London to Philadelphia, returning Mon, 9 Nov, priced at £627 found 1 day ago
Lufthansa
Tue, 1 Sept - Tue, 15 Sept
LHR
London
PHL
Philadelphia
£628 Return, found 8 hours ago
£628
Return
found 8 hours ago
Select Lufthansa flight, departing Tue, 1 Sept from London to Philadelphia, returning Tue, 15 Sept, priced at £628 found 8 hours ago
British Airways
Mon, 23 Nov - Mon, 7 Dec
LCY
London
PHL
Philadelphia
£633 Return, found 7 hours ago
£633
Return
found 7 hours ago
Select British Airways flight, departing Mon, 23 Nov from London to Philadelphia, returning Mon, 7 Dec, priced at £633 found 7 hours ago
Brussels Airlines
Wed, 10 Feb - Mon, 15 Feb
LHR
London
PHL
Philadelphia
£635 Return, found 5 days ago
£635
Return
found 5 days ago
Select Brussels Airlines flight, departing Wed, 10 Feb from London to Philadelphia, returning Mon, 15 Feb, priced at £635 found 5 days ago
Finnair
Mon, 9 Nov - Mon, 16 Nov
LHR
London
PHL
Philadelphia
£638 Return, found 7 hours ago
£638
Return
found 7 hours ago
Select Finnair flight, departing Mon, 9 Nov from London to Philadelphia, returning Mon, 16 Nov, priced at £638 found 7 hours ago

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, 4 Nov - Mon, 9 Nov
LHR
London
PHL
Philadelphia
£540 Return, found 1 day ago
£540
Return
found 1 day ago
Select JetBlue Airways flight, departing Wed, 4 Nov from London to Philadelphia, returning Mon, 9 Nov, priced at £540 found 1 day 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, £529 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 £529 and £638 in the last seven days. For one-way trips leaving from London (LHR), the lowest price during this period was £343.
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 £529 and £638. 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 £343 or round-trip from £529, 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 £343.

Why book your flights to Philadelphia County with Expedia

Expedia offers great deals on Philadelphia County air fares from £343 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, American Airlines, Aer Lingus, Swiss International Air Lines, Lufthansa, Finnair, Brussels Airlines, TAP Portugal
Roundtrip price
from £529
Philadelphia County Flights Information
*Available to Expedia members.