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Find flight deals from United Kingdom to Philadelphia

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights to Philadelphia

(Round-trip)
Depart: Thu 5 Feb 2015 Return: Mon 16 Feb 2015 Trip spans 12 days
US Airways
US Airways
MAN
05:45
PHL
13:50
8h 05m
nonstop
PHL
16:15
MAN
04:10
11h 55m
1 stop
Depart: Tue 13 Jan 2015 Return: Tue 20 Jan 2015 Trip spans 8 days
US Airways
US Airways
LHR
12:05
PHL
20:35
8h 30m
nonstop
PHL
09:30
LHR
20:30
11h 00m
1 stop
Depart: Mon 12 Jan 2015 Return: Sun 18 Jan 2015 Trip spans 7 days
US Airways
US Airways
LGW
10:50
PHL
15:50
29h 00m
1 stop
PHL
04:55
LGW
22:10
17h 15m
1 stop
Depart: Thu 5 Mar 2015 Return: Sun 8 Mar 2015 Trip spans 3 days
Lufthansa
Lufthansa
MAN
01:15
PHL
16:15
15h 00m
1 stop
PHL
14:50
MAN
03:15
12h 25m
1 stop
Depart: Tue 2 Jun 2015 Return: Tue 30 Jun 2015 Trip spans 29 days
Multiple Airlines
Multiple Airlines
MAN
04:55
PHL
16:45
11h 50m
1 stop
PHL
02:00
MAN
01:15
23h 15m
1 stop
Depart: Thu 19 Mar 2015 Return: Sun 22 Mar 2015 Trip spans 4 days
United
United
MAN
02:15
PHL
17:15
15h 00m
1 stop
PHL
10:30
MAN
06:55
20h 25m
2 stops
Depart: Wed 27 May 2015 Return: Mon 8 Jun 2015 Trip spans 13 days
Lufthansa
Lufthansa
LHR
05:30
PHL
17:00
11h 30m
1 stop
PHL
13:45
LHR
00:40
10h 55m
1 stop
Depart: Fri 6 Feb 2015 Return: Mon 16 Feb 2015 Trip spans 11 days
Multiple Airlines
Multiple Airlines
LHR
03:20
PHL
16:00
12h 40m
1 stop
PHL
01:25
LHR
22:25
21h 00m
1 stop
Depart: Tue 19 May 2015 Return: Thu 28 May 2015 Trip spans 10 days
Air France
Air France
MAN
02:45
PHL
19:40
16h 55m
1 stop
PHL
17:30
MAN
12:35
19h 05m
1 stop
Depart: Mon 6 Apr 2015 Return: Tue 14 Apr 2015 Trip spans 9 days
Air Canada
Air Canada
LHR
11:00
PHL
23:52
12h 52m
1 stop
PHL
14:50
LHR
02:05
11h 15m
1 stop
Depart: Thu 26 Mar 2015 Return: Sun 29 Mar 2015 Trip spans 4 days
KLM Royal Dutch
KLM Royal Dutch
MAN
01:55
PHL
17:07
15h 12m
2 stops
PHL
13:20
MAN
07:55
18h 35m
2 stops
Depart: Mon 11 May 2015 Return: Mon 1 Jun 2015 Trip spans 22 days
British Airways
British Airways
LGW
04:50
PHL
15:06
10h 16m
1 stop
PHL
17:10
LGW
03:10
10h 00m
1 stop
Depart: Sun 22 Mar 2015 Return: Sun 19 Apr 2015 Trip spans 29 days
United
United
LHR
04:20
PHL
17:00
12h 40m
1 stop
PHL
14:50
LHR
12:00
21h 10m
1 stop
Depart: Thu 2 Apr 2015 Return: Sun 5 Apr 2015 Trip spans 4 days
British Airways
British Airways
MAN
09:40
PHL
20:25
10h 45m
1 stop
PHL
16:50
MAN
05:55
13h 05m
1 stop
Depart: Tue 30 Dec 2014 Return: Thu 8 Jan 2015 Trip spans 10 days
KLM Royal Dutch
KLM Royal Dutch
LHR
03:40
PHL
19:23
15h 43m
2 stops
PHL
07:45
LHR
01:00
17h 15m
1 stop
Depart: Sat 17 Jan 2015 Return: Wed 21 Jan 2015 Trip spans 5 days
Iberia
Iberia
LHR
01:30
PHL
16:05
14h 35m
1 stop
PHL
13:50
LHR
00:40
10h 50m
1 stop
Depart: Fri 3 Apr 2015 Return: Fri 10 Apr 2015 Trip spans 8 days
British Airways
British Airways
LHR
12:40
PHL
20:25
7h 45m
nonstop
PHL
18:00
LHR
01:00
7h 00m
nonstop
Depart: Fri 2 Jan 2015 Return: Thu 8 Jan 2015 Trip spans 7 days
American Airlines
American Airlines
LHR
12:15
PHL
01:25
13h 10m
1 stop
PHL
08:29
LHR
20:50
12h 21m
1 stop
Change your search
Airports
Origin

London
only £420
only £428
Manchester
£416
Destination

Philadelphia
£416