$519 Cheap flights from Heathrow to Philadelphia Intl. (LHR to PHL)

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Find The Best Dates To Fly from Heathrow to Philadelphia Intl.

Amazing LHR to PHL Flight Deals

The cheapest flights to Philadelphia Intl. found within the past 7 days were $593 round trip and $519 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Sep 11 - Mon, Sep 23
LHR
London
PHL
Philadelphia
$593 Roundtrip, found 1 hour ago
$593
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Wed, Sep 11 from London to Philadelphia, returning Mon, Sep 23, priced at $593 found 1 hour ago
Tue, Sep 24 - Wed, Oct 9
LHR
London
PHL
Philadelphia
$612 Roundtrip, found 1 hour ago
$612
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Tue, Sep 24 from London to Philadelphia, returning Wed, Oct 9, priced at $612 found 1 hour ago
Wed, Sep 11 - Sat, Sep 21
LHR
London
PHL
Philadelphia
$615 Roundtrip, found 1 hour ago
$615
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Wed, Sep 11 from London to Philadelphia, returning Sat, Sep 21, priced at $615 found 1 hour ago
Wed, Sep 11 - Tue, Sep 24
LHR
London
PHL
Philadelphia
$619 Roundtrip, found 1 hour ago
$619
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Wed, Sep 11 from London to Philadelphia, returning Tue, Sep 24, priced at $619 found 1 hour ago
Wed, Dec 4 - Mon, Dec 9
LHR
London
PHL
Philadelphia
$675 Roundtrip, found 2 days ago
$675
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Dec 4 from London to Philadelphia, returning Mon, Dec 9, priced at $675 found 2 days ago
Wed, Dec 4 - Mon, Dec 9
LHR
London
PHL
Philadelphia
$679 Roundtrip, found 2 days ago
$679
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Dec 4 from London to Philadelphia, returning Mon, Dec 9, priced at $679 found 2 days ago
Mon, Sep 23 - Mon, Sep 30
LHR
London
PHL
Philadelphia
$686 Roundtrip, found 2 days ago
$686
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Sep 23 from London to Philadelphia, returning Mon, Sep 30, priced at $686 found 2 days ago
Tue, Sep 24 - Tue, Oct 1
LHR
London
PHL
Philadelphia
$690 Roundtrip, found 1 day ago
$690
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, Sep 24 from London to Philadelphia, returning Tue, Oct 1, priced at $690 found 1 day ago
Wed, Sep 18 - Wed, Sep 25
LHR
London
PHL
Philadelphia
$692 Roundtrip, found 4 days ago
$692
Roundtrip
found 4 days ago
Select United flight, departing Wed, Sep 18 from London to Philadelphia, returning Wed, Sep 25, priced at $692 found 4 days ago
Wed, Sep 18 - Wed, Sep 25
LHR
London
PHL
Philadelphia
$692 Roundtrip, found 4 days ago
$692
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Sep 18 from London to Philadelphia, returning Wed, Sep 25, priced at $692 found 4 days ago

Frequently asked questions

Can I catch a flight from London Heathrow to Philadelphia Airport right now?
For info on any current Philadelphia Airport travel advice and quarantine requirements, go to the Covid-19 Travel Advisor. Check before you arrange your flight, so you don’t get caught out.
Are there direct flights from London Heathrow to Philadelphia Airport?
Some trips are all about the journey; other times, it’s all about the destination. If you’re itching to get to Philadelphia fast, multiple airlines provide direct flights from London Heathrow to PHL, including American Airlines and British Airways.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Philadelphia Airport, please visit our Customer Service Portal.
How long is the flight from London Heathrow to Philadelphia Intl. Airport (PHL)?
Taking around 12 hours and 49 minutes all up, traveling from London to Philadelphia is no piece of cake. On such a long journey, it’s wise to go for a wander to stretch your legs as often as possible.
What is the flight distance from LHR to Philadelphia Airport?
You’ll have traveled 3,500 mi by the time you’ve left the runway at Heathrow Airport (LHR) and made a smooth touchdown at PHL. We recommend you bring plenty of things to keep you busy — it’ll be a long flight.
What airlines fly from London Heathrow to PHL?
There are a number of airlines that offer direct flights from Heathrow Airport (LHR) to Philadelphia Intl. Airport (PHL). American Airlines (AA) is well-known, offering roughly 30 flights every month. If you’d like more options, consider British Airways (BA). This airline has 30 flights on the London to Philadelphia route each month. Between the two, there’s no doubt you’ll find the flight to suit your travel needs.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with American Airlines, Delta or Frontier Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Heathrow
Traveling To
Philadelphia Intl.
Shortest Flight Time
2 hours 15 mins
Earliest Departure Time
9:45AM EDT
Latest Departure Time
1:40PM EDT
Lowest Flight Price
$593

Route Info

Flight path for flights from London Heathrow Airport to Philadelphia International Airport


Origin:
LHR - London Heathrow Airport
Destination:
PHL - Philadelphia International Airport
Distance:
3,555.00 miles


Airlines & Aircraft Used on LHR to PHL Flight Routes


Airline Carrier
Aircraft
Air France
Airbus A320-100/200
American Airlines
Boeing 737 all pax models
British Airways
Airbus A320-100/200
Delta Air Lines
Airbus A320-100/200
Finnair
Boeing 747-400 pax
KLM
Airbus A320-100/200
Virgin Atlantic
Airbus A319

Discover our best flights from London LHR to Philadelphia PHL. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from London LHR to Philadelphia PHL at the right price  

Airfares to Philadelphia PHL from London LHR currently cost between $593 and $1,486. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from London LHR to Philadelphia PHL 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from London LHR to Philadelphia PHL on Travelocity starting at $519. Prices and availability subject to change. Additional terms may apply. 

 

Get to Philadelphia PHL from London LHR quicker with direct flights. 

Get to Philadelphia faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to PHL from LHR to take around 2 hour(s) 15 min(s).  

 

Find our cheapest airfares for flights from London LHR to Philadelphia PHL

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to PHL from LHR. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from London LHR to Philadelphia PHL today 

If you’re flexible about when you travel, September is usually the cheapest month to fly from London LHR to Philadelphia PHL. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Philadelphia PHL from London LHR 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to PHL from LHR have this option.  

 

Travel with confidence when you book flights to Philadelphia PHL from London LHR with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.