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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 16 Feb 2015 Return: Mon 23 Feb 2015 Trip spans 8 days
£409
Select
Lufthansa
Lufthansa
MAN
01:15
PHL
16:00
14h 45m
1 stop
PHL
12:50
MAN
01:20
12h 30m
1 stop
Depart: Tue 24 Feb 2015 Return: Tue 10 Mar 2015 Trip spans 14 days
£410
Select
US Airways
US Airways
MAN
05:45
PHL
13:50
8h 05m
nonstop
PHL
18:15
MAN
04:50
10h 35m
1 stop
Depart: Fri 6 Feb 2015 Return: Sun 8 Feb 2015 Trip spans 3 days
£432
Select
US Airways
US Airways
LHR
01:55
PHL
14:00
12h 05m
1 stop
PHL
11:10
LHR
23:00
11h 50m
1 stop
Depart: Sun 14 Jun 2015 Return: Mon 22 Jun 2015 Trip spans 9 days
£444
Select
Multiple Airlines
Multiple Airlines
LGW
15:35
PHL
16:31
24h 56m
1 stop
PHL
17:10
LGW
03:10
10h 00m
1 stop
Depart: Sun 29 Mar 2015 Return: Wed 8 Apr 2015 Trip spans 11 days
£459
Select
Multiple Airlines
Multiple Airlines
MAN
13:45
PHL
19:13
29h 28m
2 stops
PHL
13:45
MAN
01:55
12h 10m
1 stop
Depart: Thu 12 Feb 2015 Return: Mon 23 Feb 2015 Trip spans 12 days
£461
Select
American Airlines
American Airlines
MAN
05:45
PHL
13:50
8h 05m
nonstop
PHL
16:15
MAN
04:10
11h 55m
1 stop
Depart: Tue 19 May 2015 Return: Wed 27 May 2015 Trip spans 9 days
£466
Select
Iberia
Iberia
LHR
02:20
PHL
16:31
14h 11m
1 stop
PHL
14:35
LHR
03:15
12h 40m
1 stop
Depart: Thu 21 May 2015 Return: Mon 25 May 2015 Trip spans 5 days
£469
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 9 Jun 2015 Return: Fri 19 Jun 2015 Trip spans 11 days
£469
Select
Iberia
Iberia
MAN
07:00
PHL
14:50
7h 50m
nonstop
PHL
16:50
MAN
05:55
13h 05m
1 stop
Depart: Thu 29 Jan 2015 Return: Mon 2 Feb 2015 Trip spans 5 days
£485
Select
SAS
SAS
LHR
16:05
PHL
19:19
27h 14m
2 stops
PHL
07:41
LHR
02:50
19h 09m
2 stops
Depart: Sat 14 Feb 2015 Return: Mon 23 Feb 2015 Trip spans 10 days
£489
Select
British Airways
British Airways
MAN
10:00
PHL
20:35
10h 35m
1 stop
PHL
13:35
MAN
23:15
9h 40m
1 stop
Depart: Wed 10 Jun 2015 Return: Sun 14 Jun 2015 Trip spans 5 days
£496
Select
Lufthansa
Lufthansa
LCY
05:10
PHL
17:00
11h 50m
1 stop
PHL
13:45
LCY
07:20
17h 35m
1 stop
Depart: Tue 12 May 2015 Return: Wed 3 Jun 2015 Trip spans 23 days
£508
Select
United
United
LHR
02:30
PHL
16:45
14h 15m
1 stop
PHL
02:00
LHR
02:05
24h 05m
1 stop
Depart: Mon 23 Mar 2015 Return: Sun 29 Mar 2015 Trip spans 7 days
£524
Select
British Airways
British Airways
LHR
03:25
PHL
16:15
12h 50m
1 stop
PHL
18:00
LHR
01:00
7h 00m
nonstop
Depart: Sun 22 Mar 2015 Return: Sun 19 Apr 2015 Trip spans 29 days
£536
Select
Multiple Airlines
Multiple Airlines
LHR
16:25
PHL
17:16
24h 51m
2 stops
PHL
06:00
LHR
22:05
40h 05m
2 stops
Depart: Wed 18 Feb 2015 Return: Wed 25 Feb 2015 Trip spans 8 days
£541
Select
Air France
Air France
MAN
01:45
PHL
17:22
15h 37m
2 stops
PHL
13:30
MAN
03:20
13h 50m
2 stops
Depart: Sun 8 Feb 2015 Return: Mon 9 Feb 2015 Trip spans 2 days
£551
Select
Air Canada
Air Canada
LHR
13:00
PHL
09:12
20h 12m
1 stop
PHL
11:35
LHR
22:25
10h 50m
1 stop
Depart: Sun 1 Feb 2015 Return: Mon 9 Feb 2015 Trip spans 9 days
£595
Select
Lufthansa
Lufthansa
LHR
02:30
PHL
16:00
13h 30m
1 stop
PHL
12:50
LHR
01:45
12h 55m
1 stop
Depart: Mon 6 Jul 2015 Return: Mon 20 Jul 2015 Trip spans 15 days
£846
Select
American Airlines
American Airlines
LHR
02:20
PHL
16:31
14h 11m
1 stop
PHL
14:10
LHR
21:20
7h 10m
nonstop
Depart: Sat 25 Jul 2015 Return: Sun 2 Aug 2015 Trip spans 9 days
£874
Select
Finnair
Finnair
LHR
14:55
PHL
14:00
23h 05m
1 stop
PHL
18:00
LHR
01:00
7h 00m
nonstop
Change your search
Airports
Origin

London
only £432
only £496
only £444
Manchester
£409
Destination

Philadelphia
£409