Flights Europe United Kingdom England London Philadelphia to London

Cheap flights from Philadelphia to London

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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
Quickest
Cheapest
Finnair
Finnair
30 Sep
PHL
3:20 pm
Philadelphia airport
7h 25m
3:45 am
+1
LHR
London Heathrow airport
Finnair
07 Oct
LHR
9:05 pm
London Heathrow airport
22h 40m
1 Stop
2:45 pm
+1
PHL
Philadelphia airport
464 USD
Finnair
Finnair
01 Oct
PHL
3:20 pm
Philadelphia airport
7h 25m
3:45 am
+1
LHR
London Heathrow airport
Finnair
07 Oct
LHR
9:05 pm
London Heathrow airport
22h 40m
1 Stop
2:45 pm
+1
PHL
Philadelphia airport
464 USD
Finnair
Finnair
22 Sep
PHL
6:00 pm
Philadelphia airport
7h 20m
6:20 am
+1
LHR
London Heathrow airport
Finnair
30 Sep
LHR
9:05 pm
London Heathrow airport
22h 35m
1 Stop
2:40 pm
+1
PHL
Philadelphia airport
472 USD
American Airlines
American Airlines
02 Oct
PHL
2:40 pm
Philadelphia airport
7h 10m
2:50 am
+1
LHR
London Heathrow airport
American Airlines
06 Oct
LHR
1:40 pm
London Heathrow airport
7h 55m
4:35 pm
PHL
Philadelphia airport
716 USD
British Airways
British Airways
08 Oct
PHL
2:40 pm
Philadelphia airport
7h 10m
2:50 am
+1
LHR
London Heathrow airport
British Airways
16 Oct
LHR
7:50 am
London Heathrow airport
12h 20m
1 Stop
3:10 pm
PHL
Philadelphia airport
473 USD
British Airways
British Airways
09 Oct
PHL
2:40 pm
Philadelphia airport
7h 10m
2:50 am
+1
LHR
London Heathrow airport
British Airways
16 Oct
LHR
7:50 am
London Heathrow airport
12h 20m
1 Stop
3:10 pm
PHL
Philadelphia airport
473 USD

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?
November
The cheapest time of year to fly to London from Philadelphia is November. Most expensive is July
What is the cheapest day to fly to London?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday
When is the cheapest time to fly to London?
in the morning
Philadelphia to London flights are approximately 6% more expensive in the afternoon than in the morning
What is the cheapest airline that flies to London?
WestJet
WestJet, Air Transat, and KLM are the most popular carriers operating from Philadelphia to London
What is the cheapest route?
Philadelphia - London Gatwick
Fly from Philadelphia to London Gatwick for the best Philadelphia - London flight prices
When is the cheapest time to book a flight to London?
60 days before
The cheapest time to buy a flight from Philadelphia to London is approximately 60 days to departure
60
Days before departure
0

Flight information for Philadelphia to London (LON - PHL)

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to London
Fastest flight time 7h 10m The fastest flight from Philadelphia to London takes 7h 10m.
Direct flights Every day Direct flights go from Philadelphia to London every day.
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)

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
New York to London
Fastest flight time
6h 30m
Cheapest price
290 USD
Newark to London
Fastest flight time
6h 40m
Cheapest price
324 USD
Newark to Manchester
Fastest flight time
6h 45m
Cheapest price
372 USD
Washington to Manchester
Fastest flight time
9h 35m
Cheapest price
382 USD
Washington to London
Fastest flight time
12h 10m
Cheapest price
400 USD
New York to Manchester
Fastest flight time
6h 35m
Cheapest price
404 USD
New York to Birmingham
Fastest flight time
9h 40m
Cheapest price
424 USD
Washington to Birmingham
Fastest flight time
9h 20m
Cheapest price
444 USD
Philadelphia to Manchester
Fastest flight time
6h 40m
Cheapest price
451 USD
Newark to Birmingham
Fastest flight time
8h 35m
Cheapest price
457 USD
Philadelphia to Birmingham
Fastest flight time
8h 55m
Cheapest price
505 USD
View more

Flights from Philadelphia to:

Flights to London from:

  • Philadelphia
  • Pennsylvania
  • United States
  • North America
Flights Europe United Kingdom England London Philadelphia to London