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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 17 Mar 2015 Return: Tue 31 Mar 2015 Trip spans 15 days
£420
Select
Delta
Delta
LHR
06:10
PHL
19:19
13h 09m
1 stop
PHL
08:59
LHR
22:20
13h 21m
1 stop
Depart: Thu 19 Mar 2015 Return: Sun 22 Mar 2015 Trip spans 4 days
£446
Select
Virgin Atlantic
Virgin Atlantic
LHR
08:00
PHL
21:20
13h 20m
1 stop
PHL
08:25
LHR
03:00
18h 35m
1 stop
Depart: Fri 20 Mar 2015 Return: Mon 23 Mar 2015 Trip spans 4 days
£466
Select
British Airways
British Airways
MAN
05:45
PHL
13:50
8h 05m
nonstop
PHL
19:05
MAN
08:20
13h 15m
1 stop
Depart: Wed 29 Apr 2015 Return: Thu 7 May 2015 Trip spans 9 days
£491
Select
Delta
Delta
MAN
06:35
PHL
19:35
13h 00m
1 stop
PHL
10:00
MAN
23:20
13h 20m
1 stop
Depart: Sat 21 Mar 2015 Return: Tue 7 Apr 2015 Trip spans 18 days
£503
Select
KLM Royal Dutch
KLM Royal Dutch
LHR
06:10
PHL
22:08
15h 58m
1 stop
PHL
06:00
LHR
01:40
19h 40m
1 stop
Depart: Sun 12 Apr 2015 Return: Sun 26 Apr 2015 Trip spans 15 days
£519
Select
Iberia
Iberia
LHR
15:10
PHL
16:30
25h 20m
1 stop
PHL
09:35
LHR
13:45
28h 10m
1 stop
Depart: Wed 17 Jun 2015 Return: Mon 6 Jul 2015 Trip spans 20 days
£521
Select
US Airways
US Airways
MAN
07:00
PHL
14:50
7h 50m
nonstop
PHL
09:55
MAN
21:55
12h 00m
1 stop
Depart: Wed 2 Sep 2015 Return: Wed 23 Sep 2015 Trip spans 22 days
£521
Select
Multiple Airlines
Multiple Airlines
MAN
02:10
PHL
17:00
14h 50m
1 stop
PHL
02:00
MAN
01:15
23h 15m
1 stop
Depart: Wed 4 Mar 2015 Return: Wed 11 Mar 2015 Trip spans 7 days
£529
Select
Air France
Air France
LHR
05:10
PHL
17:16
12h 06m
1 stop
PHL
13:39
LHR
23:05
9h 26m
1 stop
Depart: Fri 5 Jun 2015 Return: Sat 13 Jun 2015 Trip spans 9 days
£534
Select
Iberia
Iberia
MAN
11:55
PHL
12:35
24h 40m
1 stop
PHL
16:50
MAN
03:55
11h 05m
1 stop
Depart: Sun 19 Apr 2015 Return: Mon 11 May 2015 Trip spans 23 days
£535
Select
British Airways
British Airways
LGW
02:40
PHL
14:35
11h 55m
1 stop
PHL
17:10
LGW
03:10
10h 00m
1 stop
Depart: Thu 28 May 2015 Return: Thu 4 Jun 2015 Trip spans 8 days
£541
Select
American Airlines
American Airlines
MAN
07:00
PHL
14:50
7h 50m
nonstop
PHL
18:00
MAN
06:05
12h 05m
1 stop
Depart: Tue 9 Jun 2015 Return: Mon 15 Jun 2015 Trip spans 7 days
£554
Select
Lufthansa
Lufthansa
MAN
04:55
PHL
16:45
11h 50m
1 stop
PHL
13:45
MAN
01:55
12h 10m
1 stop
Depart: Tue 16 Jun 2015 Return: Mon 6 Jul 2015 Trip spans 21 days
£555
Select
Air France
Air France
MAN
02:10
PHL
17:05
14h 55m
1 stop
PHL
17:39
MAN
12:35
18h 56m
1 stop
Depart: Fri 3 Apr 2015 Return: Fri 10 Apr 2015 Trip spans 8 days
£575
Select
Multiple Airlines
Multiple Airlines
LHR
10:25
PHL
22:41
12h 16m
1 stop
PHL
02:00
LHR
02:05
24h 05m
1 stop
Depart: Mon 14 Sep 2015 Return: Mon 28 Sep 2015 Trip spans 15 days
£613
Select
United
United
LHR
03:30
PHL
16:45
13h 15m
1 stop
PHL
02:00
LHR
23:35
21h 35m
1 stop
Depart: Sat 28 Mar 2015 Return: Sat 25 Apr 2015 Trip spans 29 days
£619
Select
SAS
SAS
LHR
10:05
PHL
23:48
37h 43m
2 stops
PHL
08:46
LHR
03:50
19h 04m
2 stops
Depart: Sat 22 Aug 2015 Return: Sun 30 Aug 2015 Trip spans 9 days
£632
Select
British Airways
British Airways
LHR
06:30
PHL
20:31
14h 01m
1 stop
PHL
08:10
LHR
13:45
29h 35m
1 stop
Depart: Thu 26 Mar 2015 Return: Mon 6 Apr 2015 Trip spans 12 days
£638
Select
Lufthansa
Lufthansa
LHR
02:30
PHL
17:15
14h 45m
1 stop
PHL
13:45
LHR
03:40
13h 55m
1 stop
Depart: Tue 23 Jun 2015 Return: Tue 4 Aug 2015 Trip spans 43 days
£812
Select
Multiple Airlines
Multiple Airlines
LCY
03:00
PHL
14:45
11h 45m
1 stop
PHL
14:35
LCY
09:10
18h 35m
1 stop
Change your search
Airports
Origin

London
only £420
only £812
only £535
Manchester
£466
Destination

Philadelphia
£420