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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: Sat 23 May 2015 Return: Sun 24 May 2015 Trip spans 2 days
£471
Select
KLM Royal Dutch
KLM Royal Dutch
GLA
05:15
PHL
22:49
17h 34m
2 stops
PHL
05:57
GLA
23:30
17h 33m
2 stops
Depart: Sat 16 May 2015 Return: Sat 23 May 2015 Trip spans 8 days
£473
Select
Virgin Atlantic
Virgin Atlantic
MAN
06:35
PHL
15:53
33h 18m
1 stop
PHL
02:00
MAN
00:55
22h 55m
1 stop
Depart: Mon 17 Aug 2015 Return: Mon 31 Aug 2015 Trip spans 15 days
£511
Select
Lufthansa
Lufthansa
BHX
05:05
PHL
16:45
11h 40m
1 stop
PHL
13:45
BHX
03:40
13h 55m
1 stop
Depart: Wed 27 May 2015 Return: Wed 3 Jun 2015 Trip spans 8 days
£512
Select
Lufthansa
Lufthansa
MAN
04:50
PHL
17:00
12h 10m
1 stop
PHL
13:45
MAN
01:55
12h 10m
1 stop
Depart: Wed 21 Oct 2015 Return: Thu 29 Oct 2015 Trip spans 9 days
£513
Select
Virgin Atlantic
Virgin Atlantic
LHR
07:30
PHL
22:04
14h 34m
1 stop
PHL
15:34
LHR
22:40
7h 06m
nonstop
Depart: Thu 11 Jun 2015 Return: Tue 14 Jul 2015 Trip spans 34 days
£532
Select
Air France
Air France
LHR
05:45
PHL
17:05
11h 20m
1 stop
PHL
17:39
LHR
04:45
11h 06m
1 stop
Depart: Fri 18 Sep 2015 Return: Sun 27 Sep 2015 Trip spans 10 days
£542
Select
United
United
BHX
02:10
PHL
21:44
19h 34m
2 stops
PHL
14:35
BHX
06:10
15h 35m
2 stops
Depart: Sun 10 May 2015 Return: Tue 23 Jun 2015 Trip spans 45 days
£543
Select
United
United
MAN
06:55
PHL
19:46
12h 51m
1 stop
PHL
10:40
MAN
06:10
19h 30m
2 stops
Depart: Tue 12 May 2015 Return: Wed 24 Jun 2015 Trip spans 44 days
£544
Select
Delta
Delta
MAN
06:35
PHL
21:09
14h 34m
1 stop
PHL
11:22
MAN
00:45
13h 23m
1 stop
Depart: Wed 17 Jun 2015 Return: Mon 22 Jun 2015 Trip spans 6 days
£546
Select
Delta
Delta
LHR
02:55
PHL
17:05
14h 10m
1 stop
PHL
17:35
LHR
04:45
11h 10m
1 stop
Depart: Tue 19 May 2015 Return: Sat 23 May 2015 Trip spans 5 days
£548
Select
United
United
GLA
05:00
PHL
19:46
14h 46m
2 stops
PHL
15:46
GLA
22:30
30h 44m
2 stops
Depart: Sat 19 Sep 2015 Return: Thu 24 Sep 2015 Trip spans 6 days
£548
Select
Air Canada
Air Canada
BHX
05:05
PHL
23:50
18h 45m
2 stops
PHL
06:25
BHX
23:15
16h 50m
2 stops
Depart: Tue 16 Jun 2015 Return: Tue 23 Jun 2015 Trip spans 8 days
£565
Select
KLM Royal Dutch
KLM Royal Dutch
LCY
04:40
PHL
20:27
15h 47m
2 stops
PHL
10:53
LCY
02:05
15h 12m
2 stops
Depart: Thu 17 Sep 2015 Return: Mon 28 Sep 2015 Trip spans 12 days
£575
Select
British Airways
British Airways
GLA
06:20
PHL
14:00
7h 40m
nonstop
PHL
14:55
GLA
21:55
7h 00m
nonstop
Depart: Sat 5 Sep 2015 Return: Sat 19 Sep 2015 Trip spans 15 days
£604
Select
Iberia
Iberia
MAN
07:00
PHL
14:50
7h 50m
nonstop
PHL
16:50
MAN
23:50
7h 00m
nonstop
Depart: Wed 23 Sep 2015 Return: Wed 30 Sep 2015 Trip spans 8 days
£621
Select
KLM Royal Dutch
KLM Royal Dutch
LHR
11:05
PHL
00:55
13h 50m
1 stop
PHL
05:15
LHR
22:20
17h 05m
1 stop
Depart: Mon 22 Jun 2015 Return: Mon 6 Jul 2015 Trip spans 15 days
£673
Select
British Airways
British Airways
LGW
03:15
PHL
14:00
10h 45m
1 stop
PHL
17:10
LGW
03:05
9h 55m
1 stop
Depart: Tue 11 Aug 2015 Return: Thu 20 Aug 2015 Trip spans 10 days
£681
Select
SAS
SAS
LHR
17:05
PHL
01:02
31h 57m
2 stops
PHL
09:15
LHR
08:00
22h 45m
2 stops
Depart: Mon 1 Jun 2015 Return: Sun 14 Jun 2015 Trip spans 14 days
£699
Select
Iberia
Iberia
LHR
04:20
PHL
12:40
8h 20m
nonstop
PHL
05:45
LHR
13:10
7h 25m
nonstop
Depart: Sun 16 Aug 2015 Return: Sun 30 Aug 2015 Trip spans 15 days
£711
Select
US Airways
US Airways
LGW
17:45
PHL
14:00
20h 15m
1 stop
PHL
14:45
LGW
05:20
14h 35m
1 stop
Airports
Origin

London
only £513
only £565
only £673
Manchester
£473
Glasgow
£471
Birmingham
£511
Destination

Philadelphia
£471