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Find Flight Deals from London to Philadelphia (LON - PHL)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from London to Philadelphia

(Round-trip)
Depart: Wed Feb 4 2015 Return: Tue Feb 10 2015 Trip spans 7 days
US Airways
US Airways
LHR
6:40a
PHL
9:54p
15h 14m
2 stops
PHL
4:15p
LHR
11:25p
7h 10m
nonstop
Depart: Tue Jun 9 2015 Return: Tue Jun 23 2015 Trip spans 15 days
Lufthansa
Lufthansa
LHR
4:30a
PHL
4:45p
12h 15m
1 stop
PHL
1:45p
LHR
3:40a
13h 55m
1 stop
Depart: Mon Feb 16 2015 Return: Mon Mar 2 2015 Trip spans 15 days
SAS
SAS
LHR
1:00p
PHL
8:03p
31h 03m
2 stops
PHL
12:50p
LHR
7:05a
18h 15m
2 stops
Depart: Sat Jun 13 2015 Return: Sun Jun 14 2015 Trip spans 2 days
Multiple Airlines
Multiple Airlines
LHR
8:05a
PHL
7:07p
11h 02m
1 stop
PHL
1:45p
LHR
12:40a
10h 55m
1 stop
Depart: Sat Dec 27 2014 Return: Sun Dec 28 2014 Trip spans 2 days
KLM Royal Dutch
KLM Royal Dutch
LHR
7:50a
PHL
11:00p
15h 10m
1 stop
PHL
8:02a
LHR
9:05p
13h 03m
1 stop
Depart: Wed Dec 24 2014 Return: Mon Dec 29 2014 Trip spans 6 days
Air Canada
Air Canada
LHR
8:00a
PHL
10:49p
14h 49m
2 stops
PHL
4:50a
LHR
10:25p
17h 35m
1 stop
Depart: Fri Dec 26 2014 Return: Sun Dec 28 2014 Trip spans 3 days
Air France
Air France
LHR
10:15a
PHL
4:01p
29h 46m
1 stop
PHL
8:02a
LHR
9:05p
13h 03m
1 stop
Depart: Tue Dec 30 2014 Return: Wed Jan 7 2015 Trip spans 9 days
British Airways
British Airways
LHR
8:15a
PHL
4:20p
8h 05m
nonstop
PHL
12:40a
LHR
12:40p
12h 00m
1 stop
Depart: Fri Apr 3 2015 Return: Wed Apr 8 2015 Trip spans 6 days
United
United
LHR
2:00p
PHL
10:12a
20h 12m
1 stop
PHL
2:35p
LHR
3:35a
13h 00m
2 stops
Depart: Fri May 15 2015 Return: Mon May 18 2015 Trip spans 4 days
American Airlines
American Airlines
LHR
3:30a
PHL
4:31p
13h 01m
1 stop
PHL
4:50p
LHR
12:00a
7h 10m
nonstop
Depart: Mon Feb 23 2015 Return: Fri Feb 27 2015 Trip spans 5 days
Aer Lingus
Aer Lingus
LHR
5:00a
PHL
8:00p
15h 00m
2 stops
PHL
9:07a
LHR
11:15p
14h 08m
2 stops
Depart: Mon Apr 6 2015 Return: Thu Apr 9 2015 Trip spans 4 days
Aer Lingus
Aer Lingus
LGW
4:50a
PHL
5:32p
12h 42m
2 stops
PHL
10:12a
LGW
11:10p
12h 58m
2 stops
Change your search
Direct flights LON to PHL on American Airlines
Flight # Depart LHR Arrive PHL Sun Mon Tue Wed Thu Fri Sat Valid Between
729 12:05 pm 3:35 pm Jan 6 - Feb 12
729 12:05 pm 3:35 pm Jan 9 - Feb 6
729 12:05 pm 3:35 pm Jan 5 - Jan 5
729 12:05 pm 3:35 pm Dec 21 - Jan 4
729 12:05 pm 3:35 pm Dec 20 - Jan 3
6130 1:15 pm 4:20 pm Dec 22 - Feb 2
6130 1:15 pm 4:20 pm Dec 19 - Dec 26
6130 1:15 pm 4:20 pm Jan 2 - Mar 6
6132 5:05 pm 8:35 pm Jan 18 - Jan 26
6132 5:05 pm 8:35 pm Jan 1 - Jan 16
Airports
Origin

London
only $745
only $1309
Destination

Philadelphia
$745