Cheap flights from London to Philadelphia

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Easily compare round trip flights from London to Philadelphia

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 London to Philadelphia by changing tabs
Quickest
Cheapest
British Airways
British Airways
07 Nov
LHR
5:50 pm
London Heathrow airport
24h 50m
1 Stop
1:40 pm
+1
PHL
Philadelphia airport
British Airways
09 Nov
PHL
8:00 am
Philadelphia airport
28h 40m
1 Stop
5:40 pm
+1
LHR
London Heathrow airport
389 USD
British Airways
British Airways
07 Nov
LHR
5:50 pm
London Heathrow airport
24h 50m
1 Stop
1:40 pm
+1
PHL
Philadelphia airport
British Airways
09 Nov
PHL
8:00 am
Philadelphia airport
28h 40m
1 Stop
5:40 pm
+1
LHR
London Heathrow airport
389 USD
British Airways
British Airways
11 Nov
LHR
6:25 am
London Heathrow airport
12h 00m
1 Stop
1:25 pm
PHL
Philadelphia airport
British Airways
18 Nov
PHL
4:10 pm
Philadelphia airport
7h 20m
4:30 am
+1
LHR
London Heathrow airport
409 USD
Iberia
Iberia
26 Jul
LHR
6:05 pm
London Heathrow airport
8h 00m
9:05 pm
PHL
Philadelphia airport
Iberia
14 Aug
PHL
6:05 pm
Philadelphia airport
7h 15m
6:20 am
+1
LHR
London Heathrow airport
812 USD
British Airways
British Airways
11 Nov
LHR
6:25 am
London Heathrow airport
12h 00m
1 Stop
1:25 pm
PHL
Philadelphia airport
British Airways
18 Nov
PHL
4:10 pm
Philadelphia airport
7h 20m
4:30 am
+1
LHR
London Heathrow airport
409 USD
British Airways
British Airways
11 Nov
LHR
6:25 am
London Heathrow airport
12h 00m
1 Stop
1:25 pm
PHL
Philadelphia airport
British Airways
18 Nov
PHL
4:10 pm
Philadelphia airport
7h 20m
4:30 am
+1
LHR
London Heathrow airport
409 USD

How to get the cheapest flight ticket from London to Philadelphia

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
CHEAPEST MONTH TO FLY
February
The cheapest time of year to fly to Philadelphia from London is February. Most expensive is July
CHEAPEST DAY TO FLY
Wednesday
The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday
CHEAPEST TIME TO FLY
at Noon
London to Philadelphia flights are approximately 19% more expensive in the Afternoon than at Noon
CHEAPEST AIRLINE
KLM
KLM, Major Airline, and Delta are the most popular carriers operating from London to Philadelphia
CHEAPEST ROUTE
London Heathrow - Philadelphia
Fly from London Heathrow to Philadelphia for the best London - Philadelphia flight prices
CHEAPEST TIME TO BOOK
60 days before
The cheapest time to buy a flight from London to Philadelphia is approximately 60 days to departure
60
Days before departure
0

Flight information for London to Philadelphia (LON - PHL)

Find info about flight duration, direct flights, and airports for your flight from London to Philadelphia
Fastest flight time
7h 55m
The fastest flight from London to Philadelphia takes 7h 55m.
Direct flights
Every day
Direct flights go from London to Philadelphia every day.
Airports in Philadelphia
1 airport
There is 1 airport near Philadelphia: Philadelphia (PHL)

Flights from London to:

Flights to Philadelphia from:

  • London
  • England
  • United Kingdom
  • Europe