Cheap Flight Tickets from Philadelphia (PHL) to London (LHR), Starting at $984

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

$984

AC Air Canada • 1 stop • 27h 10m

May 06 – May 14

The cheapest round trip flight from Philadelphia to London (PHL-LHR-PHL) is currently $984

🔍 Search Flights

Cheapest Direct Flight

$1213

AA American Airlines • nonstop • 12h 10m

May 06

The cheapest nonstop flight from Philadelphia to London (PHL-LHR) is currently $1213

🔍 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

Air France-AF

Air France

Virgin Atlantic (VS)

Virgin Atlantic

TAP Air Portugal Airline (TP)

TAP - Air Portugal

United Airlines, UA

United Airlines

Lufthansa Airline (LH)

Lufthansa Airlines

American Airlines, AA

American Airlines

Air Canada-AC

Air Canada

Alaska Airlines -AS

Alaska Airlines

Iberia airline

Iberia 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.

May 06 - May 14, Economy
AC
Philadelphia → London
27h 10m
11:05 AM - 8:35 AM • 1 stop
UA
Philadelphia → London
18h 50m
9:30 AM - 4:00 PM • 1 stop
$984
Air Canada
May 06 - May 14, Economy
DL
Philadelphia → London
20h 13m
2:12 PM - 7:25 AM • 1 stop
DL
Philadelphia → London
20h 55m
9:20 AM - 5:15 PM • 1 stop
$1008
Delta Airlines
May 06 - May 14, Economy
LX
Philadelphia → London
40h 40m
5:35 PM - 1:00 PM • 2 stops
LX
Philadelphia → London
22h 26m
8:05 PM - 4:00 PM • 2 stops
$1067
Swissair
May 06 - May 14, Economy
TP
Philadelphia → London
45h 24m
9:21 AM - 5:45 PM • 2 stops
TP
Philadelphia → London
48h 51m
8:00 AM - 8:31 AM • 2 stops
$1171
TAP - Air Portugal
May 07 - May 15, Economy
EI
Philadelphia → London
22h 15m
8:25 PM - 3:00 PM • 1 stop
EI
Philadelphia → London
23h 22m
9:50 AM - 6:52 PM • 2 stops
$1322
Aer Lingus
May 07 - May 15, Economy
AS
Philadelphia → London
45h 5m
7:00 AM - 3:05 PM • 1 stop
AS
Philadelphia → London
29h 15m
5:00 PM - 5:55 AM • 1 stop
$1608
Alaska 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 7:00 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 LX : USD 1067
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 8:25 pm

Essential Information for Booking Flights from Philadelphia (PHL) - AI Insights

What's the cheapest airline from phl to lhr?
You can find low fares on American Airlines (AA) from Philadelphia International Airport (phl) to London Heathrow Airport (lhr). For a one-way business class ticket, consider booking at least 28 days in advance. Look for budget-friendly flights with airlines offering affordable airfares and savings.
What's the popular airline to fly from phl to lhr?
Delta Airlines offers a convenient business class option from Philadelphia International Airport (PHL) to London Heathrow Airport (LHR), featuring priority check-in, lounge access, and flatbed seats. For a one-way trip with 28 days of advance booking, you can expect competitive airfares on this route. With Delta's premium service, you'll enjoy a comfortable travel experience.
What's the cheapest day of the week to fly from phl to lhr?
The cheapest day to fly from Philadelphia International Airport (PHL) to London Heathrow Airport (LHR) is Monday. Flying on Mondays can result in budget-friendly flights, making it a great option for travelers looking for affordable airfares.
What's the cheapest month to fly from phl to lhr?
The cheapest month to fly from Philadelphia International Airport (PHL) to London Heathrow Airport (LHR) is November. This is based on historical data, which suggests that airfares tend to be lower during this time of year.
Which airline/airlines fly from phl to lhr?
You can fly from Philadelphia International Airport (PHL) to London Heathrow Airport (LHR) on various airlines. Qatar Airways, Austrian Airlines, Finnair, Icelandair, Air Canada, Lufthansa Airlines, Frontier Airlines, Sun Country Airlines, KLM Airlines, and WestJet Airlines offer flights between these two airports.
What is the cheapest airline to fly from Philadelphia International Airport (PHL) to London Heathrow Airport (LHR)?
American Airlines (AA)
How far in advance should I book my one-way business class ticket?
It is recommended to book your one-way business class ticket at least 28 days in advance, as this can help you secure the cheapest fares.
Can I find affordable airfares for a round-trip flight on airlines operating out of PHL?
Yes, you can find affordable airfares for a round-trip flight on airlines such as Qatar Airways (QR), Austrian Airlines (OS), Finnair (AY), Icelandair (FI), Air Canada (AC), Lufthansa Airlines (LH), Frontier Airlines (F9), Sun Country Airlines (SY), KLM Airlines (KL), and WestJet Airlines (WS)
Are there any discounts or promotions available for flights from LHR to PHL?
Yes, you can find discounts and promotions on flights from LHR to PHL through web-based airfare search engines like fareleaders.com.
What is the best time to book a web-based airfare search engine like fareleaders.com?
The best time to book a web-based airfare search engine like fareleaders.com is during off-peak hours, such as on weekdays or during the middle of the month.
How can I ensure I get the cheapest flights with airlines offering premium services?
To ensure you get the cheapest flights with airlines offering premium services, it is recommended to use a web-based airfare search engine like fareleaders.com and set up price alerts for your desired route.

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*