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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: Fri 23 Jan 2015 Return: Tue 27 Jan 2015 Trip spans 5 days
US Airways
US Airways
LHR
07:05
PHL
19:31
108h 26m
2 stops
PHL
16:15
LHR
23:25
7h 10m
nonstop
Depart: Mon 16 Mar 2015 Return: Mon 23 Mar 2015 Trip spans 8 days
Iberia
Iberia
LHR
07:25
PHL
15:50
8h 25m
nonstop
PHL
14:50
LHR
01:50
11h 00m
1 stop
Depart: Mon 5 Jan 2015 Return: Mon 19 Jan 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
MAN
13:25
PHL
16:49
27h 24m
2 stops
PHL
13:15
MAN
03:25
14h 10m
2 stops
Depart: Wed 4 Feb 2015 Return: Wed 11 Feb 2015 Trip spans 8 days
Air France
Air France
LCY
01:45
PHL
16:57
15h 12m
2 stops
PHL
13:15
LCY
02:55
13h 40m
2 stops
Depart: Wed 25 Feb 2015 Return: Sun 8 Mar 2015 Trip spans 11 days
SAS
SAS
LHR
04:55
PHL
00:14
19h 19m
2 stops
PHL
15:55
LHR
00:45
32h 50m
2 stops
Depart: Mon 15 Dec 2014 Return: Mon 12 Jan 2015 Trip spans 29 days
Multiple Airlines
Multiple Airlines
LHR
05:35
PHL
16:57
11h 22m
1 stop
PHL
13:15
LHR
23:45
10h 30m
1 stop
Depart: Tue 16 Dec 2014 Return: Mon 22 Dec 2014 Trip spans 7 days
United
United
LHR
02:50
PHL
22:43
19h 53m
2 stops
PHL
06:59
LHR
01:05
18h 06m
1 stop
Depart: Fri 30 Jan 2015 Return: Sun 22 Feb 2015 Trip spans 24 days
Delta
Delta
LHR
05:10
PHL
21:59
16h 49m
1 stop
PHL
07:45
LHR
20:50
13h 05m
1 stop
Depart: Sat 21 Feb 2015 Return: Wed 25 Feb 2015 Trip spans 5 days
US Airways
US Airways
MAN
05:45
PHL
18:22
108h 37m
2 stops
PHL
15:50
MAN
22:45
6h 55m
nonstop
Depart: Sat 29 Nov 2014 Return: Mon 22 Dec 2014 Trip spans 24 days
Lufthansa
Lufthansa
LHR
03:20
PHL
16:00
12h 40m
1 stop
PHL
12:50
LHR
07:40
18h 50m
1 stop
Depart: Mon 22 Dec 2014 Return: Fri 9 Jan 2015 Trip spans 19 days
Lufthansa
Lufthansa
BHX
08:40
PHL
16:00
31h 20m
1 stop
PHL
12:50
BHX
02:55
14h 05m
1 stop
Depart: Sat 27 Dec 2014 Return: Thu 15 Jan 2015 Trip spans 20 days
Air France
Air France
BHX
01:35
PHL
18:01
16h 26m
2 stops
PHL
13:15
BHX
03:05
13h 50m
2 stops
Depart: Mon 25 May 2015 Return: Mon 15 Jun 2015 Trip spans 22 days
British Airways
British Airways
GLA
03:00
PHL
20:45
17h 45m
1 stop
PHL
14:10
GLA
02:20
12h 10m
1 stop
Depart: Sun 7 Dec 2014 Return: Sat 13 Dec 2014 Trip spans 7 days
Air Canada
Air Canada
LHR
04:00
PHL
16:00
12h 00m
1 stop
PHL
13:50
LHR
10:30
20h 40m
1 stop
Depart: Tue 19 May 2015 Return: Thu 28 May 2015 Trip spans 10 days
British Airways
British Airways
MAN
04:30
PHL
20:45
16h 15m
1 stop
PHL
16:50
MAN
04:00
11h 10m
1 stop
Depart: Wed 17 Dec 2014 Return: Wed 24 Dec 2014 Trip spans 8 days
British Airways
British Airways
LHR
09:50
PHL
16:42
174h 52m
2 stops
PHL
13:35
LHR
20:40
7h 05m
nonstop
Depart: Wed 20 May 2015 Return: Mon 25 May 2015 Trip spans 6 days
Air France
Air France
MAN
04:45
PHL
19:40
14h 55m
1 stop
PHL
17:00
MAN
12:35
19h 35m
1 stop
Depart: Wed 24 Dec 2014 Return: Mon 12 Jan 2015 Trip spans 20 days
KLM Royal Dutch
KLM Royal Dutch
BHX
04:25
PHL
20:56
16h 31m
2 stops
PHL
07:45
BHX
03:05
19h 20m
2 stops
Depart: Tue 30 Dec 2014 Return: Thu 8 Jan 2015 Trip spans 10 days
United
United
BHX
04:00
PHL
13:40
33h 40m
2 stops
PHL
01:12
BHX
21:10
19h 58m
2 stops
Depart: Sat 20 Dec 2014 Return: Mon 5 Jan 2015 Trip spans 17 days
British Airways
British Airways
EDI
11:25
PHL
15:35
28h 10m
1 stop
PHL
13:35
EDI
09:55
20h 20m
2 stops
Change your search
Airports
Origin

Birmingham
£538
Glasgow
£551
London
only £383
only £484
Edinburgh
£833
Manchester
£483
Destination

Philadelphia
£383