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Find Flight Deals from London to Philadelphia (LON - PHL)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from London to Philadelphia

(Round-trip)
Depart: Mon Mar 9 2015 Return: Thu Apr 16 2015 Trip spans 39 days
KLM Royal Dutch
KLM Royal Dutch
LHR
6:10a
PHL
10:12p
16h 02m
1 stop
PHL
6:00a
LHR
1:40a
19h 40m
1 stop
Depart: Sat Mar 14 2015 Return: Mon Mar 16 2015 Trip spans 3 days
Delta
Delta
LHR
1:35p
PHL
9:42a
20h 07m
1 stop
PHL
1:25p
LHR
3:00a
13h 35m
1 stop
Depart: Sat Mar 21 2015 Return: Wed Mar 25 2015 Trip spans 5 days
Virgin Atlantic
Virgin Atlantic
LHR
1:35p
PHL
9:42a
20h 07m
1 stop
PHL
8:25a
LHR
3:00a
18h 35m
1 stop
Depart: Mon Mar 23 2015 Return: Mon Mar 30 2015 Trip spans 8 days
US Airways
US Airways
LHR
9:20a
PHL
7:06a
21h 46m
2 stops
PHL
5:45a
LHR
1:10p
7h 25m
nonstop
Depart: Wed Mar 18 2015 Return: Tue Mar 31 2015 Trip spans 14 days
Iberia
Iberia
LHR
3:25a
PHL
4:15p
12h 50m
1 stop
PHL
2:45p
LHR
3:10a
12h 25m
1 stop
Depart: Sat May 2 2015 Return: Mon May 11 2015 Trip spans 10 days
Air France
Air France
LHR
6:30a
PHL
6:04p
11h 34m
1 stop
PHL
1:17p
LHR
2:05a
12h 48m
1 stop
Depart: Sun Apr 19 2015 Return: Mon May 4 2015 Trip spans 16 days
British Airways
British Airways
LGW
2:40a
PHL
2:35p
11h 55m
1 stop
PHL
5:10p
LGW
3:10a
10h 00m
1 stop
Depart: Tue Apr 7 2015 Return: Thu May 7 2015 Trip spans 31 days
British Airways
British Airways
LHR
4:20p
PHL
2:40p
22h 20m
1 stop
PHL
2:35p
LHR
4:30a
13h 55m
1 stop
Depart: Sat Mar 28 2015 Return: Tue Apr 14 2015 Trip spans 18 days
$1029
Select
Multiple Airlines
Multiple Airlines
LHR
3:30a
PHL
5:00p
13h 30m
1 stop
PHL
12:40p
LHR
11:35p
10h 55m
1 stop
Depart: Thu Aug 6 2015 Return: Thu Sep 3 2015 Trip spans 29 days
$1130
Select
Aer Lingus
Aer Lingus
LHR
2:40a
PHL
9:23p
18h 43m
2 stops
PHL
6:30a
LHR
11:05p
16h 35m
2 stops
Depart: Tue Jun 23 2015 Return: Tue Jul 28 2015 Trip spans 36 days
$1331
Select
SAS
SAS
LHR
5:05p
PHL
12:26a
31h 21m
2 stops
PHL
9:15a
LHR
8:50a
23h 35m
2 stops
Depart: Mon Jul 20 2015 Return: Thu Jul 30 2015 Trip spans 11 days
$1565
Select
US Airways
US Airways
LGW
3:15a
PHL
2:00p
10h 45m
1 stop
PHL
2:40p
LGW
2:05a
11h 25m
1 stop
Depart: Sun Jul 19 2015 Return: Mon Aug 3 2015 Trip spans 16 days
$1593
Select
American Airlines
American Airlines
LHR
2:20a
PHL
4:31p
14h 11m
1 stop
PHL
4:50p
LHR
12:00a
7h 10m
nonstop
Depart: Sat Aug 15 2015 Return: Sat Aug 29 2015 Trip spans 15 days
$1681
Select
Multiple Airlines
Multiple Airlines
LCY
4:25a
PHL
11:52p
19h 27m
3 stops
PHL
6:25a
LCY
5:10a
22h 45m
3 stops
Direct flights LON to PHL on American Airlines
Flight # Depart LHR Arrive PHL Sun Mon Tue Wed Thu Fri Sat Valid Between
774 8:20 am 11:40 am Mar 30 - May 20
729 10:15 am 1:25 pm Mar 29 - Apr 12
729 10:15 am 1:25 pm Mar 30 - Apr 4
729 10:15 am 1:25 pm Apr 9 - Apr 11
729 10:15 am 1:25 pm Apr 6 - May 6
729 11:25 am 3:55 pm Mar 8 - Mar 15
729 11:25 am 3:55 pm Mar 17 - Mar 28
729 11:25 am 3:55 pm Mar 16 - Mar 16
6130 12:45 pm 3:30 pm Mar 29 - Oct 24
6130 1:15 pm 5:20 pm Mar 8 - Mar 28
6130 1:15 pm 5:20 pm Mar 13 - Mar 27
6132 5:05 pm 9:35 pm Mar 8 - Mar 28
6132 5:25 pm 8:10 pm Mar 29 - Oct 24
Airports
Origin

London
only $716
only $1681
only $827
Destination

Philadelphia
$716