Flights Europe United Kingdom England London Philadelphia to London

Cheap flights from Philadelphia to London

Round-trip
Economy
Philadelphia (PHL)
London (LON)
Sat 11/28
Sat 12/5
Any month
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Flight information for Philadelphia to London
(PHL to LON)

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to London
Best Price Found $531 The best flight deal from Philadelphia to London found on momondo in the last 72 hours is $531
Fastest flight time 6h 50m The fastest flight from Philadelphia to London takes 6h 50m.
Direct flights Mo, Fr and Su Direct flights go from Philadelphia to London on Monday, Friday and Sunday. Airlines offering direct flights are: Finnair, American Airlines and British Airways.
Airports in London 6 airports There are 6 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW), London Southend (SEN)

How to get the cheapest flight ticket from Philadelphia to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to London?
February
The cheapest time of year to fly to London from Philadelphia is February. Most expensive is June
What is the cheapest day to fly to London?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Saturday
When is the cheapest time to fly to London?
in the evening
Philadelphia to London flights are approximately 8% more expensive in the afternoon than in the evening
What is the cheapest airline that flies to London?
KLM
KLM, Major Airline, and Delta are the most popular carriers operating from Philadelphia to London
What is the cheapest route?
Philadelphia - London Heathrow
Fly from Philadelphia to London Heathrow for the best Philadelphia - London flight prices
When is the cheapest time to book a flight to London?
39 days before
The cheapest time to buy a flight from Philadelphia to London is approximately 39 days to departure
60
Days before departure
0

Easily compare round-trip flights from Philadelphia to London

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Philadelphia to London by changing tabs
Cheapest
Best
Quickest
Multiple Airlines
Feb 1
PHL
Philadelphia
20h 50m
2 stops
LGW
London Gatwick
Feb 8
LGW
London Gatwick
35h 33m
3 stops
PHL
Philadelphia
TAP AIR PORTUGAL
Mar 1
PHL
Philadelphia
16h 40m
2 stops
LHR
London Heathrow
Mar 8
LHR
London Heathrow
19h 19m
2 stops
PHL
Philadelphia
Delta
Jan 14
PHL
Philadelphia
18h 05m
1 stop
LHR
London Heathrow
Jan 18
LHR
London Heathrow
17h 35m
2 stops
PHL
Philadelphia

Find the cheapest one-way flights from Philadelphia to London

If you're looking for one-way flights from Philadelphia to London, view some of our deals below provided by TAP AIR PORTUGAL
Cheapest
Best
Quickest
Multiple Airlines
Jan 13
PHL
Philadelphia
34h 25m
3 stops
LHR
London Heathrow
TAP AIR PORTUGAL
Nov 16
PHL
Philadelphia
23h 25m
2 stops
LHR
London Heathrow
Aer Lingus
Jan 13
PHL
Philadelphia
9h 20m
1 stop
LHR
London Heathrow

Which airlines flying from Philadelphia to London have COVID-19 safety policies in place?

Many airlines have put safety measures in place to reduce the spread of COVID-19. One is Delta. Many airlines flying from Philadelphia to London are offering enhanced cleaning of their aircraft. Additional policies include pre-flight testing for COVID-19-related symptoms and antibodies. Masks are also required and are provided to travelers. Some airlines are offering socially-distanced seating for a limited time. Policies will vary by airline so keep this in mind as you search for options.

Are airlines flying from Philadelphia to London offering flexible cancellation due to COVID-19?

Due to the global impact of COVID-19, some of our airline partners operating flights from Philadelphia to London, such as British Airways, American Airlines, and Icelandair may have put in place flexible cancellation policies. Use our site to search for all of the airlines offering this flexibility to you.


Alternative routes for Philadelphia to London

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Philadelphia to Birmingham Flights
Fastest flight time
15h 31m
Cheapest price
$565
Pittsburgh to Birmingham Flights
Fastest flight time
16h 20m
Cheapest price
$1,360

Flights from Philadelphia to:

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