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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: Wed 18 Feb 2015 Return: Wed 4 Mar 2015 Trip spans 15 days
US Airways
US Airways
MAN
03:50
PHL
18:13
14h 23m
2 stops
PHL
15:50
MAN
22:45
6h 55m
nonstop
Depart: Mon 16 Feb 2015 Return: Mon 2 Mar 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
MAN
01:15
PHL
16:00
14h 45m
1 stop
PHL
09:45
MAN
07:15
21h 30m
2 stops
Depart: Thu 19 Feb 2015 Return: Thu 5 Mar 2015 Trip spans 15 days
Lufthansa
Lufthansa
MAN
01:15
PHL
16:15
15h 00m
1 stop
PHL
12:50
MAN
01:25
12h 35m
1 stop
Depart: Thu 22 Jan 2015 Return: Thu 5 Feb 2015 Trip spans 15 days
US Airways
US Airways
LHR
06:05
PHL
17:22
11h 17m
1 stop
PHL
16:15
LHR
23:25
7h 10m
nonstop
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 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 4 Feb 2015 Return: Mon 16 Feb 2015 Trip spans 13 days
Multiple Airlines
Multiple Airlines
LHR
02:30
PHL
16:15
13h 45m
1 stop
PHL
01:25
LHR
22:25
21h 00m
1 stop
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: Tue 19 May 2015 Return: Thu 28 May 2015 Trip spans 10 days
Air France
Air France
MAN
02:10
PHL
19:40
17h 30m
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: Fri 27 Mar 2015 Return: Wed 8 Apr 2015 Trip spans 13 days
Lufthansa
Lufthansa
LCY
04:10
PHL
17:00
12h 50m
1 stop
PHL
13:45
LCY
09:40
19h 55m
1 stop
Depart: Tue 17 Feb 2015 Return: Tue 24 Feb 2015 Trip spans 8 days
Iberia
Iberia
LHR
07:05
PHL
15:30
8h 25m
nonstop
PHL
13:50
LHR
00:40
10h 50m
1 stop
Depart: Mon 15 Jun 2015 Return: Mon 29 Jun 2015 Trip spans 15 days
United
United
LHR
02:30
PHL
16:45
14h 15m
1 stop
PHL
13:30
LHR
03:05
13h 35m
1 stop
Depart: Fri 26 Dec 2014 Return: Mon 12 Jan 2015 Trip spans 18 days
British Airways
British Airways
LHR
01:30
PHL
16:05
14h 35m
1 stop
PHL
17:05
LHR
00:05
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 £421
only £522
only £428
Manchester
£379
Destination

Philadelphia
£379