Cheap Flight Tickets from Philadelphia (PHL) to London (LHR), Starting at $443

Good to Know: Cheapest and Fastest PHL - LHR Flights

Useful information for finding best airline tickets from Philadelphia International to London Heathrow on your next trip.

Cheapest Round Trip Flight

$1380

DL Delta Airlines • 1 stop • 20h 51m

Dec 25 – Dec 31

The cheapest round trip flight from Philadelphia to London (PHL-LHR-PHL) is currently $1380

🔍 Search Flights

Cheapest Direct Flight

$443

AA American Airlines • nonstop • 11h 45m

Aug 21

The cheapest nonstop flight from Philadelphia to London (PHL-LHR) is currently $443

🔍 Search Flights

Fastest Flight

11h 45m

The fastest nonstop flight from Philadelphia to London (PHL-LHR) takes 11h 45m

Top Airlines Flying from Philadelphia to London

Delta Airline, DL

Delta Airlines

Latest Flight Deals from Philadelphia (PHL) to London (LHR)

Compare and book low fare round-trip air tickets from Philadelphia to London. Ideal for travelers with confirmed return itineraries.

Dec 25 - Dec 31, Economy
DL
Philadelphia → London
20h 51m
5:49 PM - 11:40 AM • 1 stop
DL
Philadelphia → London
30h 11m
10:00 AM - 11:11 PM • 2 stops
$1380
Delta Airlines
Dec 25 - Dec 31, Economy
DL
Philadelphia → London
22h 8m
5:12 PM - 11:40 AM • 1 stop
DL
Philadelphia → London
27h 6m
11:45 AM - 11:11 PM • 2 stops
$1380
Delta Airlines
Dec 25 - Dec 31, Economy
DL
Philadelphia → London
25h 51m
12:09 PM - 9:00 AM • 1 stop
DL
Philadelphia → London
27h 6m
11:45 AM - 11:11 PM • 2 stops
$1380
Delta Airlines
Dec 25 - Dec 31, Economy
DL
Philadelphia → London
25h 40m
11:10 AM - 7:50 AM • 1 stop
DL
Philadelphia → London
27h 13m
6:30 AM - 6:03 PM • 2 stops
$1380
Delta Airlines
Dec 25 - Dec 31, Economy
DL
Philadelphia → London
22h 33m
5:12 PM - 12:05 PM • 2 stops
DL
Philadelphia → London
27h 13m
6:30 AM - 6:03 PM • 2 stops
$1389
Delta Airlines
Dec 25 - Dec 31, Economy
DL
Philadelphia → London
22h 25m
12:55 PM - 7:40 AM • 2 stops
DL
Philadelphia → London
27h 13m
6:30 AM - 6:03 PM • 2 stops
$1389
Delta Airlines

Fly from Philadelphia to London with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Philadelphia to London? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Philadelphia to London Flights

What are the airports in Philadelphia?
PHL
What’s the most popular airline flying from PHL to LHR?
The most popular airline flying from Philadelphia to London are
Can I fly from PHL to LHR non-stop?
Yes, you can fly PHL to LHR non-stop on
Which airlines fly nonstop between Philadelphia and London?
The non-stop flights between Philadelphia and London are .
What’s the earliest departure time from PHL to LHR Airport?
The earliest flight leaves PHL at 11:10 am and lands in LHR - London Heathrow
What are the airports in London?
LHR
Can I make changes to my Philadelphia to London flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from PHL to LHR?
Read the fare rules of the Philadelphia to London air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Philadelphia and London?
operate flights between Philadelphia and London
How long does a flight from Philadelphia to London take?
It takes approximately 7 hour to fly non-stop from PHL to LHR, which is 3544.83 miles by air.
Which airlines provide the cheapest flights from Philadelphia (PHL) to London (LHR) ?
In the past couple of days, the cheapest tickets to LHR from PHL were found on DL : USD 1380
Do I need a passport to fly between PHL and LHR?
Yes
What’s the latest departure time from PHL to LHR ?
The last flight leaves PHL at 10:1500 pm

Philadelphia (PHL) to London (LHR): Airport Information

Origin Airport Philadelphia International , Philadelphia, US
Destination Airport London Heathrow , London, GB
Distance 3545 miles

More Flight Options for Philadelphia (PHL) and London (LHR)

Why Fareleaders for PHL to LHR Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Philadelphia to London flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on PHL to LHR flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Philadelphia to London flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Philadelphia (PHL) to London (LHR)
Terms and Conditions*