Cheap flights from Philadelphia (PHL) to London (LON)

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The best prices from Philadelphia to London are usually found in February or January, booked 39 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

How to find the cheapest flight from
Philadelphia (PHL) to London (LON)

All the information you need to plan the best PHL to LON flight in 2021: compare Philadelphia to London flight prices with the expected peak season, weather and rainfall in London.
PHL - LON
Price
$537 - $902
LON
Temperature
39.2 - 62.6 °F
LON
Precipitation
1.6 - 2.8 inches

Popular in

June

High demand for flights, 26% potential price rise

Cheapest in

February

Best time to find cheap flights, 20% potential price drop

Round-trip from

$537

From Philadelphia to London (LON)

One-way from

$325

One-way flight from Philadelphia to London (LON)

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Philadelphia to London?

Thursday flights are found to be more expensive to fly from Philadelphia to London. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.

How far in advance should I book a flight from Philadelphia to London?

To save on the cost of your flight from Philadelphia to London, book at least 38 days before your planned departure. Booking around this time can save you about 59% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $825 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,026.

When is the cheapest time to fly from Philadelphia to London (PHL - LON)?

A simple way to save on the total cost of your ticket is to fly from Philadelphia to London in the evening. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the morning.

What is the cheapest month to fly from Philadelphia to London?

Flights from Philadelphia to London lean towards being more expensive in June. Prices are generally better when you fly from Philadelphia to London in February, with the cheapest ticket starting at $403.

Cheap flights from Philadelphia to London in October, November 2021

The best prices found for PHL to LON flights for October, November
24 Nov - 1 Dec
$639pp
PHL
Philadelphia
Virgin Atlantic
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
PHL
Philadelphia
3 Nov - 10 Nov
$640pp
PHL
Philadelphia
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
PHL
Philadelphia
25 Nov - 1 Dec
$646pp
PHL
Philadelphia
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
LGW
London Gatwick
Multiple Airlines
   
2 STOPS
PHL
Philadelphia

Philadelphia to London 2021 flight deals

Cheap flights to London from Philadelphia found for this year
1 Dec - 8 Dec
$588pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
LTN
London Luton
LTN
London Luton
Multiple Airlines
 
1 STOP
PHL
Philadelphia
1 Dec - 8 Dec
$598pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
STN
London Stansted
STN
London Stansted
Multiple Airlines
 
1 STOP
PHL
Philadelphia
1 Dec - 8 Dec
$603pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
STN
London Stansted
STN
London Stansted
Multiple Airlines
 
1 STOP
PHL
Philadelphia

Non-stop flights to London from Philadelphia

Save time with Philadelphia to London direct flight deals
26 Jan - 3 Feb
$662pp
PHL
Philadelphia
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
PHL
Philadelphia
11 Jan - 21 Jan
$669pp
PHL
Philadelphia
British Airways
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
PHL
Philadelphia
23 Nov - 1 Dec
$671pp
PHL
Philadelphia
Multiple Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
PHL
Philadelphia

Last minute flights from Philadelphia to London

Late deals on round-trip flights to London from Philadelphia, departing today and this week
3 Nov - 10 Nov
$640pp
PHL
Philadelphia
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
PHL
Philadelphia
6 Nov - 1 Dec
$809pp
PHL
Philadelphia
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
LGW
London Gatwick
Multiple Airlines
   
2 STOPS
PHL
Philadelphia
5 Nov - 24 Nov
$815pp
PHL
Philadelphia
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
LGW
London Gatwick
Multiple Airlines
   
2 STOPS
PHL
Philadelphia

One-way flights to London from Philadelphia

The cheapest one-way flights from Philadelphia to London
1:15 am - 4:45 am
Multiple Airlines
2 Stops
22h 30m
PHL - LGW
Multiple Airlines
$325
Kiwi.com
2:00 am - 4:50 am
Multiple Airlines
2 Stops
21h 50m
PHL - LGW
Multiple Airlines
12:55 pm - 4:50 am
Multiple Airlines
2 Stops
34h 55m
PHL - LGW
Multiple Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Philadelphia</span> to <span class="emphasized">London</span> flights.

Flight FAQs

From Philadelphia to London

What airport do you fly from for flights from Philadelphia to London?

If you book a flight to London from Philadelphia, you will be flying from Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 8 flights from Philadelphia to London per day from 11 different airlines.

Which airlines flying from Philadelphia to London have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like British Airways, American Airlines, and Aer Lingus flying from Philadelphia to London have implemented new flexible cancellation policies.

Can I find flights from Philadelphia to London for under $600 on Cheapflights?

Yes, there are multiple flights from Philadelphia to London for under $600. The cheapest flight booked recently is on Multiple Airlines for just $503, but on average you can expect to pay $597.

Are there nonstop flights from Philadelphia to London for under $700 on Cheapflights?

Cheapflights has at least 20 direct flights from Philadelphia to London under $700. A good price for a nonstop flight from Philadelphia to London is less than $701.

Are there last-minute flights available from Philadelphia to London for under $700?

There are currently 20+ open flights from Philadelphia to London within the next 7 days for less than $700.

What days are nonstop flights available from Philadelphia to London?

Nonstop flights are available for this route on the following days: Sunday, Monday, Friday, Saturday.

How many flights depart from Philadelphia to London on average per day?

Travelers can expect 14 flights from Philadelphia to London on average per day.
Evening (6pm - Midnight) - 100% of flight departures

How long is the flight from Philadelphia to London?

Airlines like Virgin Atlantic and Air Canada fly from Philadelphia to London in about 13h 10m. The time it takes to get you to your destination can typically vary by up to 4h 50m. The distance from Philadelphia to London is about 3555 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Philadelphia to London round-trip?

Flying on Virgin Atlantic is currently your cheapest option to London, with prices starting at $576. Another option worth looking into is Air Canada, starting at $614 round trip. These flights start at 13% lower than the current average price 3 months from now.

What are the most reliable airlines from Philadelphia to London?

The top 3 most reliable airlines when flying from Philadelphia to London are Qatar Airways (87%), Malaysia Airlines (87%) and EL AL (87%).

What are the most popular routes from Philadelphia to London?

Most travelers choose Philadelphia - London Heathrow, Philadelphia - London Gatwick or Philadelphia - London City when deciding on the best route from Philadelphia to London.

What are the most popular airlines that fly from Philadelphia to London?

Consider American Airlines, Air Canada or Finnair when booking your flight. These represent the most popular airlines when flying from Philadelphia to London.

What are the cheapest flights from Philadelphia to London?

On average you can expect to pay $1,826 for a flight from Philadelphia to London. The cheapest flight overall is $268 while the most popular route, (Philadelphia - London Heathrow) is currently priced at $550.

COVID Restrictions

View COVID Travel Restrictions for London, England

Do I need a COVID test to fly to London from Philadelphia?

Information is based on travel restrictions from Philadelphia to London

Most visitors from Philadelphia need to provide a negative COVID-19 test result and/or quarantine to enter London.

COVID-19 testing requirements
Visitors from Philadelphia must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London.

Quarantine requirements
Visitors from Philadelphia are not required to quarantine after entering London.

Documents
Mandatory passenger locator form - Submit the form any time in the 48 hours before arriving in the UK. Show the form when checking in your plane, train or ferry to the UK.

Managed quarantine package for Scotland - All travelers arriving directly to Scotland are required to book their Managed Quarantine Package prior to travel.

COVID-19 testing package - All travelers must book and pay for a COVID-19 Testing Package prior to travel to England and Scotland.


Do I need a test to fly back to Philadelphia from London?

Returning to Philadelphia from London

COVID-19 testing requirements
Visitors from London must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Philadelphia.

Quarantine requirements
Visitors from London are not required to quarantine after entering Philadelphia.

Hide COVID Travel Restrictions for London, England

Alternative routes for Philadelphia to London

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for London

Things to know before you go - useful duration and weather info for your trip from Philadelphia to London.
Today's exchange rate
$1 = £0.73
Average temperature for October in London
60.8 °F
Avg rainfall for October in London
2.8 ″

Airports servicing Philadelphia

Airports servicing London

Gatwick (LGW)
Stansted (STN)
London City (LCY)
Luton (LTN)
Southend (SEN)

Top 10 airlines flying from Philadelphia to London

The chart below displays the airlines Cheapflights users traveling from Philadelphia to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$401 $810 No cancel fee 69%
Icelandair
$407 $734 No cancel fee 76%
American Airlines
$434 $776 No cancel fee 71%
British Airways
$434 $865 No cancel fee 70%
Finnair
$463 $813 No cancel fee 76%
Iberia
$475 $735 No cancel fee 77%
Delta
$484 $691 No cancel fee N/A
Virgin Atlantic
$499 $711 No cancel fee 72%
Lufthansa
$513 $826 No cancel fee 76%
Aer Lingus
$518 $803 No cancel fee N/A

Hourly flight availability from Philadelphia to London

See what time of day planes typically take off from Philadelphia towards London.
Evening 6 PM to midnight 71% of PHL to LON departures
Afternoon Noon to 6 PM 29% of PHL to LON departures
Early morning Midnight to 6 AM 0% of PHL to LON departures
Morning 6 AM to noon 0% of PHL to LON departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Philadelphia to London
See how many times per day planes take to the skies headed from Philadelphia to London.
Sunday
7 daily flights
Monday
7 daily flights
Tuesday
12 daily flights
Wednesday
7 daily flights
Thursday
12 daily flights
Friday
7 daily flights
Saturday
7 daily flights
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