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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: Mon 12 Jan 2015 Return: Mon 19 Jan 2015 Trip spans 8 days
US Airways
US Airways
LHR
07:05
PHL
15:35
8h 30m
nonstop
PHL
09:30
LHR
20:30
11h 00m
1 stop
Depart: Mon 13 Apr 2015 Return: Mon 18 May 2015 Trip spans 36 days
Air France
Air France
MAN
15:50
PHL
18:07
26h 17m
2 stops
PHL
17:00
MAN
04:30
11h 30m
1 stop
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 1 Apr 2015 Return: Mon 13 Apr 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: Wed 15 Apr 2015 Return: Mon 20 Apr 2015 Trip spans 6 days
Lufthansa
Lufthansa
LCY
03:45
PHL
17:00
13h 15m
1 stop
PHL
13:45
LCY
07:20
17h 35m
1 stop
Depart: Tue 24 Feb 2015 Return: Fri 20 Mar 2015 Trip spans 24 days
SAS
SAS
LHR
14:05
PHL
20:03
29h 58m
2 stops
PHL
08:27
LHR
04:50
20h 23m
2 stops
Depart: Sun 28 Dec 2014 Return: Sun 11 Jan 2015 Trip spans 15 days
US Airways
US Airways
LGW
13:50
PHL
15:50
26h 00m
1 stop
PHL
15:50
LGW
04:50
13h 00m
1 stop
Depart: Thu 12 Mar 2015 Return: Mon 16 Mar 2015 Trip spans 5 days
British Airways
British Airways
LGW
02:50
PHL
13:35
10h 45m
1 stop
PHL
17:00
LGW
02:10
9h 10m
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: Thu 1 Jan 2015 Return: Mon 12 Jan 2015 Trip spans 12 days
United
United
LHR
06:40
PHL
23:28
16h 48m
1 stop
PHL
00:19
LHR
23:40
23h 21m
1 stop
Depart: Mon 23 Feb 2015 Return: Sun 1 Mar 2015 Trip spans 7 days
Air Canada
Air Canada
LHR
13:00
PHL
09:12
20h 12m
1 stop
PHL
11:35
LHR
10:30
22h 55m
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: Sun 31 May 2015 Return: Tue 2 Jun 2015 Trip spans 3 days
United
United
MAN
04:55
PHL
16:45
11h 50m
1 stop
PHL
09:47
MAN
06:10
20h 23m
2 stops
Change your search
Airports
Origin

London
only £434
only £484
only £513
Manchester
£379
Destination

Philadelphia
£379