Find Deals on Flights from London to Philadelphia (LON - PHL)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from London to Philadelphia

(Round-trip)
Depart: Wed Mar 8 2017 Return: Tue Mar 14 2017 Trip spans 6 days
British Airways
British Airways
LGW
PHL
25h 50m
2 stops
PHL
LGW
11h 20m
1 stop
Depart: Wed Mar 8 2017 Return: Thu Mar 16 2017 Trip spans 8 days
Lufthansa
Lufthansa
LCY
PHL
13h 05m
1 stop
PHL
LCY
10h 40m
1 stop
Depart: Wed May 17 2017 Return: Tue May 23 2017 Trip spans 7 days
Virgin Atlantic
Virgin Atlantic
LHR
PHL
18h 35m
1 stop
PHL
LHR
14h 50m
1 stop
Depart: Wed Jun 14 2017 Return: Mon Jun 19 2017 Trip spans 6 days
United
United
LGW
PHL
15h 52m
1 stop
PHL
LGW
10h 25m
1 stop
Depart: Wed Jul 12 2017 Return: Wed Jul 26 2017 Trip spans 15 days
Icelandair
Icelandair
LGW
PHL
11h 20m
1 stop
PHL
LGW
10h 10m
1 stop
Depart: Sat Jun 3 2017 Return: Thu Jun 15 2017 Trip spans 13 days
SWISS
SWISS
LCY
PHL
36h 20m
2 stops
PHL
LCY
27h 10m
2 stops
Depart: Sat Jan 28 2017 Return: Tue Feb 7 2017 Trip spans 11 days
British Airways
British Airways
LHR
PHL
14h 35m
1 stop
PHL
LHR
7h 05m
nonstop
Depart: Tue Feb 21 2017 Return: Tue Feb 28 2017 Trip spans 8 days
Lufthansa
Lufthansa
LCY
PHL
13h 05m
1 stop
PHL
LCY
10h 40m
1 stop
Depart: Tue Feb 21 2017 Return: Tue Feb 28 2017 Trip spans 8 days
British Airways
British Airways
LHR
PHL
8h 15m
nonstop
PHL
LHR
6h 55m
nonstop
Depart: Wed Mar 1 2017 Return: Thu Mar 16 2017 Trip spans 15 days
British Airways
British Airways
LHR
PHL
8h 40m
nonstop
PHL
LHR
6h 55m
nonstop
Depart: Fri Jun 16 2017 Return: Tue Jun 20 2017 Trip spans 5 days
Virgin Atlantic
Virgin Atlantic
LHR
PHL
8h 20m
nonstop
PHL
LHR
8h 55m
1 stop
Depart: Wed Mar 22 2017 Return: Mon Apr 10 2017 Trip spans 20 days
Lufthansa
Lufthansa
LCY
PHL
13h 05m
1 stop
PHL
LCY
19h 55m
1 stop
Depart: Tue Jan 31 2017 Return: Wed Feb 8 2017 Trip spans 9 days
British Airways
British Airways
LHR
PHL
10h 35m
1 stop
PHL
LHR
7h 00m
nonstop
Depart: Tue Feb 7 2017 Return: Sun Feb 12 2017 Trip spans 6 days
British Airways
British Airways
LHR
PHL
8h 40m
nonstop
PHL
LHR
7h 00m
nonstop
Depart: Sat Jun 3 2017 Return: Thu Jun 15 2017 Trip spans 13 days
Icelandair
Icelandair
LGW
PHL
11h 05m
1 stop
PHL
LGW
20h 29m
2 stops
Depart: Wed May 17 2017 Return: Tue May 23 2017 Trip spans 7 days
Lufthansa
Lufthansa
LCY
PHL
13h 15m
1 stop
PHL
LCY
17h 35m
1 stop
Depart: Wed Mar 29 2017 Return: Mon Apr 17 2017 Trip spans 20 days
British Airways
British Airways
LHR
PHL
13h 25m
1 stop
PHL
LHR
7h 25m
nonstop
Depart: Wed Jul 5 2017 Return: Wed Jul 19 2017 Trip spans 15 days
Icelandair
Icelandair
LGW
PHL
11h 20m
1 stop
PHL
LGW
10h 10m
1 stop
Depart: Thu Apr 13 2017 Return: Mon Apr 17 2017 Trip spans 5 days
Lufthansa
Lufthansa
LCY
PHL
11h 50m
1 stop
PHL
LCY
17h 35m
1 stop
Depart: Wed Mar 22 2017 Return: Mon Apr 10 2017 Trip spans 20 days
British Airways
British Airways
LGW
PHL
22h 45m
1 stop
PHL
LGW
20h 00m
1 stop
Direct flights LON to PHL on Delta
Flight # Depart LHR Arrive PHL Sun Mon Tue Wed Thu Fri Sat Valid Between
195 12:25 pm 4:10 pm Feb 10 - Feb 16
195 12:25 pm 4:11 pm Jan 25 - Jan 31
195 12:25 pm 4:10 pm Feb 20 - Feb 26
195 12:25 pm 4:10 pm Feb 18 - Feb 18
195 12:25 pm 4:10 pm Feb 4 - Feb 4
195 12:25 pm 4:10 pm Feb 2 - Feb 8
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

London
only $431
only $425
only $371
Destination

Philadelphia
$371