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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: Thu 18 Jun 2015 Return: Thu 2 Jul 2015 Trip spans 15 days
£370
Select
British Airways
British Airways
LGW
03:15
PHL
14:00
10h 45m
1 stop
PHL
17:10
LGW
03:10
10h 00m
1 stop
Depart: Tue 26 May 2015 Return: Mon 1 Jun 2015 Trip spans 7 days
£377
Select
British Airways
British Airways
LHR
02:20
PHL
16:30
14h 10m
1 stop
PHL
16:45
LHR
00:00
7h 15m
nonstop
Depart: Wed 27 May 2015 Return: Mon 1 Jun 2015 Trip spans 6 days
£384
Select
Delta
Delta
LHR
06:35
PHL
14:56
8h 21m
nonstop
PHL
13:08
LHR
23:00
9h 52m
1 stop
Depart: Tue 16 Jun 2015 Return: Mon 29 Jun 2015 Trip spans 14 days
£384
Select
Iberia
Iberia
LHR
06:15
PHL
14:25
8h 10m
nonstop
PHL
05:45
LHR
13:10
7h 25m
nonstop
Depart: Sun 21 Jun 2015 Return: Mon 6 Jul 2015 Trip spans 16 days
£388
Select
Iberia
Iberia
LGW
16:50
PHL
16:30
23h 40m
1 stop
PHL
14:45
LGW
11:00
20h 15m
1 stop
Depart: Mon 21 Sep 2015 Return: Mon 12 Oct 2015 Trip spans 22 days
£389
Select
Lufthansa
Lufthansa
LCY
03:45
PHL
16:45
13h 00m
1 stop
PHL
13:45
LCY
07:20
17h 35m
1 stop
Depart: Tue 8 Sep 2015 Return: Tue 22 Sep 2015 Trip spans 15 days
£400
Select
United
United
LHR
04:30
PHL
16:45
12h 15m
1 stop
PHL
02:00
LHR
23:35
21h 35m
1 stop
Depart: Mon 1 Jun 2015 Return: Thu 11 Jun 2015 Trip spans 11 days
£416
Select
American Airlines
American Airlines
LHR
02:20
PHL
16:30
14h 10m
1 stop
PHL
05:45
LHR
13:10
7h 25m
nonstop
Depart: Sun 16 Aug 2015 Return: Sat 29 Aug 2015 Trip spans 14 days
£420
Select
Lufthansa
Lufthansa
LHR
15:30
PHL
16:45
25h 15m
1 stop
PHL
13:45
LHR
00:40
10h 55m
1 stop
Depart: Fri 9 Oct 2015 Return: Sun 18 Oct 2015 Trip spans 10 days
£425
Select
Air Canada
Air Canada
LHR
14:00
PHL
10:50
20h 50m
1 stop
PHL
14:45
LHR
12:00
21h 15m
1 stop
Depart: Tue 9 Jun 2015 Return: Tue 16 Jun 2015 Trip spans 8 days
£453
Select
US Airways
US Airways
LBA
17:00
PHL
12:40
19h 40m
1 stop
PHL
05:45
LBA
23:55
18h 10m
1 stop
Depart: Tue 10 Nov 2015 Return: Tue 17 Nov 2015 Trip spans 8 days
£482
Select
Delta
Delta
MAN
07:00
PHL
21:04
14h 04m
1 stop
PHL
07:45
MAN
21:00
13h 15m
1 stop
Depart: Fri 28 Aug 2015 Return: Tue 15 Sep 2015 Trip spans 19 days
£519
Select
British Airways
British Airways
MAN
07:00
PHL
14:50
7h 50m
nonstop
PHL
16:50
MAN
23:50
7h 00m
nonstop
Depart: Sat 30 May 2015 Return: Tue 2 Jun 2015 Trip spans 4 days
£544
Select
Delta
Delta
EDI
05:10
PHL
21:21
16h 11m
2 stops
PHL
14:11
EDI
03:40
13h 29m
1 stop
Depart: Mon 17 Aug 2015 Return: Wed 26 Aug 2015 Trip spans 10 days
£550
Select
United
United
MAN
04:00
PHL
20:47
16h 47m
2 stops
PHL
03:55
MAN
21:55
18h 00m
2 stops
Depart: Fri 19 Jun 2015 Return: Fri 24 Jul 2015 Trip spans 36 days
£646
Select
Iberia
Iberia
MAN
07:00
PHL
14:40
7h 40m
nonstop
PHL
17:00
MAN
23:50
6h 50m
nonstop
Depart: Sun 14 Jun 2015 Return: Wed 17 Jun 2015 Trip spans 4 days
£660
Select
Finnair
Finnair
LHR
13:25
PHL
21:10
7h 45m
nonstop
PHL
14:10
LHR
21:20
7h 10m
nonstop
Depart: Tue 21 Jul 2015 Return: Tue 28 Jul 2015 Trip spans 8 days
£723
Select
Delta
Delta
ABZ
02:35
PHL
14:58
12h 23m
1 stop
PHL
11:15
ABZ
01:55
14h 40m
2 stops
Depart: Tue 23 Jun 2015 Return: Mon 10 Aug 2015 Trip spans 49 days
£801
Select
United
United
BHX
05:00
PHL
21:44
16h 44m
2 stops
PHL
16:17
BHX
06:10
13h 53m
2 stops
Depart: Thu 6 Aug 2015 Return: Tue 18 Aug 2015 Trip spans 13 days
£803
Select
British Airways
British Airways
GLA
06:20
PHL
14:00
7h 40m
nonstop
PHL
14:10
GLA
01:00
10h 50m
1 stop
Airports
Origin

Aberdeen
£723
Leeds
£453
London
only £377
only £389
only £370
Manchester
£482
Glasgow
£803
Edinburgh
£544
Birmingham
£801
Destination

Philadelphia
£370