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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: Mon, 22 Sep, 2014 Return: Mon, 6 Oct, 2014 Trip spans 15 days
Delta
Delta
NCL
02:05
PHL
20:31
18h 26m
2 stops
PHL
11:59
NCL
02:00
14h 01m
2 stops
Depart: Wed, 17 Sep, 2014 Return: Mon, 29 Sep, 2014 Trip spans 13 days
US Airways
US Airways
LHR
03:00
PHL
15:05
12h 05m
1 stop
PHL
10:38
LHR
21:20
10h 42m
1 stop
Depart: Sat, 30 Aug, 2014 Return: Sat, 6 Sep, 2014 Trip spans 8 days
US Airways
US Airways
LHR
08:15
PHL
16:25
8h 10m
1 stop
PHL
14:15
LHR
00:05
9h 50m
1 stop
Depart: Wed, 27 Aug, 2014 Return: Wed, 24 Sep, 2014 Trip spans 29 days
US Airways
US Airways
LHR
03:00
PHL
15:05
12h 05m
1 stop
PHL
10:38
LHR
21:20
10h 42m
1 stop
Depart: Wed, 10 Sep, 2014 Return: Thu, 25 Sep, 2014 Trip spans 16 days
US Airways
US Airways
LHR
03:00
PHL
15:05
12h 05m
1 stop
PHL
10:38
LHR
21:20
10h 42m
1 stop
Depart: Tue, 23 Sep, 2014 Return: Tue, 30 Sep, 2014 Trip spans 8 days
Delta
Delta
LHR
06:30
PHL
22:00
15h 30m
1 stop
PHL
11:15
LHR
22:40
11h 25m
1 stop
Depart: Thu, 28 Aug, 2014 Return: Sun, 7 Sep, 2014 Trip spans 11 days
Air Canada
Air Canada
LHR
08:05
PHL
23:50
15h 45m
1 stop
PHL
14:45
LHR
21:25
30h 40m
1 stop
Depart: Tue, 2 Sep, 2014 Return: Sun, 7 Sep, 2014 Trip spans 6 days
Air Canada
Air Canada
LHR
11:00
PHL
23:50
12h 50m
1 stop
PHL
14:45
LHR
21:25
30h 40m
1 stop
Depart: Thu, 18 Sep, 2014 Return: Sun, 5 Oct, 2014 Trip spans 18 days
Air Canada
Air Canada
LHR
04:30
PHL
16:45
12h 15m
1 stop
PHL
14:45
LHR
12:00
21h 15m
1 stop
Depart: Tue, 19 Aug, 2014 Return: Sun, 31 Aug, 2014 Trip spans 13 days
United
United
LHR
12:20
PHL
23:54
11h 34m
1 stop
PHL
15:45
LHR
12:55
21h 10m
1 stop
Depart: Tue, 26 Aug, 2014 Return: Sun, 31 Aug, 2014 Trip spans 6 days
United
United
LHR
12:20
PHL
23:54
11h 34m
1 stop
PHL
15:45
LHR
12:55
21h 10m
1 stop
Depart: Tue, 9 Sep, 2014 Return: Tue, 23 Sep, 2014 Trip spans 15 days
US Airways
US Airways
LHR
12:30
PHL
23:00
10h 30m
direct
PHL
17:50
LHR
01:00
7h 10m
direct
Depart: Thu, 11 Sep, 2014 Return: Tue, 23 Sep, 2014 Trip spans 13 days
US Airways
US Airways
LHR
12:30
PHL
23:00
10h 30m
direct
PHL
17:50
LHR
01:00
7h 10m
direct
Depart: Fri, 22 Aug, 2014 Return: Fri, 5 Sep, 2014 Trip spans 15 days
US Airways
US Airways
LHR
08:15
PHL
16:25
8h 10m
1 stop
PHL
13:50
LHR
23:50
10h 00m
1 stop
Depart: Mon, 8 Sep, 2014 Return: Tue, 23 Sep, 2014 Trip spans 16 days
US Airways
US Airways
LHR
08:15
PHL
16:25
8h 10m
direct
PHL
17:50
LHR
01:00
7h 10m
direct
Depart: Sat, 6 Sep, 2014 Return: Sat, 13 Sep, 2014 Trip spans 8 days
US Airways
US Airways
LHR
02:55
PHL
15:05
12h 10m
1 stop
PHL
14:00
LHR
01:45
11h 45m
1 stop
Depart: Fri, 5 Sep, 2014 Return: Sat, 13 Sep, 2014 Trip spans 9 days
Delta
Delta
LHR
10:00
PHL
22:00
12h 00m
1 stop
PHL
14:00
LHR
03:20
13h 20m
1 stop
Depart: Fri, 12 Sep, 2014 Return: Tue, 23 Sep, 2014 Trip spans 12 days
US Airways
US Airways
LHR
12:30
PHL
23:00
10h 30m
direct
PHL
17:50
LHR
01:00
7h 10m
direct
Depart: Sun, 17 Aug, 2014 Return: Mon, 25 Aug, 2014 Trip spans 9 days
British Airways
British Airways
LGW
02:50
PHL
15:05
12h 15m
1 stop
PHL
14:55
LGW
01:45
10h 50m
1 stop
Depart: Tue, 12 Aug, 2014 Return: Sun, 17 Aug, 2014 Trip spans 6 days
United
United
LHR
12:20
PHL
23:52
11h 32m
2 stops
PHL
15:42
LHR
12:20
20h 38m
2 stops
Change your search
Airports
Origin

Newcastle upon Tyne
£653
London
only £835
only £915
Destination

Philadelphia
£915