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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: Tue 13 Jan 2015 Return: Sun 18 Jan 2015 Trip spans 6 days
US Airways
US Airways
LHR
07:05
PHL
13:37
126h 32m
2 stops
PHL
16:15
LHR
23:25
7h 10m
nonstop
Depart: Sat 14 Feb 2015 Return: Tue 17 Feb 2015 Trip spans 4 days
Multiple Airlines
Multiple Airlines
MAN
10:00
PHL
14:24
76h 24m
3 stops
PHL
15:50
MAN
22:45
6h 55m
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: 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 3 Dec 2014 Return: Thu 25 Dec 2014 Trip spans 23 days
Multiple Airlines
Multiple Airlines
LHR
02:30
PHL
16:15
13h 45m
1 stop
PHL
11:35
LHR
10:30
22h 55m
1 stop
Depart: Fri 5 Dec 2014 Return: Mon 8 Dec 2014 Trip spans 4 days
SAS
SAS
LHR
16:05
PHL
22:39
30h 34m
2 stops
PHL
12:59
LHR
06:00
17h 01m
2 stops
Depart: Mon 12 Jan 2015 Return: Mon 19 Jan 2015 Trip spans 8 days
Iberia
Iberia
MAN
05:45
PHL
13:50
8h 05m
nonstop
PHL
15:50
MAN
22:45
6h 55m
nonstop
Depart: Thu 5 Feb 2015 Return: Thu 19 Feb 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
LBA
01:15
PHL
16:49
15h 34m
2 stops
PHL
07:45
LBA
23:35
15h 50m
2 stops
Depart: Thu 19 Mar 2015 Return: Tue 31 Mar 2015 Trip spans 13 days
US Airways
US Airways
MAN
05:45
PHL
18:21
300h 36m
2 stops
PHL
16:50
MAN
23:50
7h 00m
nonstop
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: 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: Mon 8 Dec 2014 Return: Mon 22 Dec 2014 Trip spans 15 days
British Airways
British Airways
LHR
12:05
PHL
16:42
340h 37m
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: Mon 22 Dec 2014 Return: Wed 7 Jan 2015 Trip spans 17 days
Lufthansa
Lufthansa
LHR
03:20
PHL
16:00
12h 40m
1 stop
PHL
12:50
LHR
05:40
16h 50m
1 stop
Depart: Mon 15 Dec 2014 Return: Wed 31 Dec 2014 Trip spans 17 days
United
United
LHR
02:50
PHL
18:47
15h 57m
2 stops
PHL
00:30
LHR
20:55
20h 25m
1 stop
Depart: Thu 2 Apr 2015 Return: Sat 11 Apr 2015 Trip spans 10 days
American Airlines
American Airlines
LHR
03:45
PHL
15:49
12h 04m
1 stop
PHL
16:50
LHR
00:00
7h 10m
nonstop
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

Leeds
£512
Glasgow
£554
London
only £386
only £486
Edinburgh
£837
Manchester
£445
Destination

Philadelphia
£386