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

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

Book cheap flights from Philadelphia to London

(Round-trip)
Depart: Wed Mar 11 2015 Return: Thu Mar 12 2015 Trip spans 2 days
Multiple Airlines
Multiple Airlines
PHL
2:50p
LHR
4:45a
13h 55m
1 stop
LHR
11:00a
PHL
10:49p
11h 49m
1 stop
Depart: Sat Mar 21 2015 Return: Sun Mar 22 2015 Trip spans 2 days
Virgin Atlantic
Virgin Atlantic
PHL
10:00a
LHR
10:55p
12h 55m
1 stop
LHR
1:35p
PHL
9:42a
20h 07m
1 stop
Depart: Sun Mar 8 2015 Return: Tue Mar 10 2015 Trip spans 3 days
KLM Royal Dutch
KLM Royal Dutch
PHL
1:25p
LHR
3:00a
13h 35m
1 stop
LHR
4:40a
PHL
10:12p
17h 32m
2 stops
Depart: Fri Mar 20 2015 Return: Wed Apr 15 2015 Trip spans 27 days
Air Canada
Air Canada
PHL
2:25a
LHR
12:25a
22h 00m
1 stop
LHR
3:30a
PHL
5:02p
13h 32m
2 stops
Depart: Thu Mar 5 2015 Return: Thu Mar 12 2015 Trip spans 7 days
United
United
PHL
5:38a
LHR
8:55p
15h 17m
1 stop
LHR
11:00a
PHL
10:49p
11h 49m
1 stop
Depart: Mon Mar 2 2015 Return: Wed Mar 4 2015 Trip spans 3 days
Delta
Delta
PHL
1:00a
LHR
10:10a
9h 10m
1 stop
LHR
5:35a
PHL
4:56p
11h 21m
1 stop
Depart: Thu Apr 23 2015 Return: Sat Apr 25 2015 Trip spans 3 days
British Airways
British Airways
PHL
5:10p
LHR
3:40a
10h 30m
1 stop
LHR
2:25a
PHL
2:35p
12h 10m
1 stop
Depart: Wed Apr 22 2015 Return: Fri Apr 24 2015 Trip spans 3 days
Iberia
Iberia
PHL
2:45p
LHR
4:30a
13h 45m
1 stop
LHR
6:15a
PHL
2:25p
8h 10m
nonstop
Depart: Tue Aug 11 2015 Return: Thu Aug 13 2015 Trip spans 3 days
British Airways
British Airways
PHL
5:10p
LGW
3:10a
10h 00m
1 stop
LGW
2:40a
PHL
2:33p
11h 53m
1 stop
Depart: Sat Jun 6 2015 Return: Mon Jun 8 2015 Trip spans 3 days
US Airways
US Airways
PHL
5:10p
LHR
3:55a
10h 45m
1 stop
LHR
2:40a
PHL
2:25p
11h 45m
1 stop
Depart: Tue Apr 28 2015 Return: Sat May 16 2015 Trip spans 19 days
Multiple Airlines
Multiple Airlines
PHL
2:40p
LGW
2:00a
11h 20m
1 stop
LGW
5:25a
PHL
3:06p
9h 41m
1 stop
Depart: Tue May 12 2015 Return: Mon May 18 2015 Trip spans 7 days
US Airways
US Airways
PHL
2:40p
LGW
2:00a
11h 20m
1 stop
LGW
3:15a
PHL
2:00p
10h 45m
1 stop
Depart: Fri Sep 25 2015 Return: Sun Oct 11 2015 Trip spans 17 days
Iberia
Iberia
PHL
2:55p
LGW
3:25a
12h 30m
1 stop
LGW
2:40a
PHL
2:35p
11h 55m
1 stop
Depart: Sat Jun 20 2015 Return: Mon Jun 22 2015 Trip spans 3 days
Air France
Air France
PHL
5:35p
LHR
7:20a
13h 45m
1 stop
LHR
10:25a
PHL
10:25p
12h 00m
1 stop
Depart: Mon May 18 2015 Return: Thu May 21 2015 Trip spans 4 days
Finnair
Finnair
PHL
2:40p
LHR
12:10a
33h 30m
2 stops
LHR
4:20a
PHL
12:35p
8h 15m
nonstop
Depart: Sat May 23 2015 Return: Sun May 31 2015 Trip spans 9 days
American Airlines
American Airlines
PHL
2:55p
LGW
3:55a
13h 00m
1 stop
LGW
7:05a
PHL
2:25p
31h 20m
1 stop
Change your search
Direct flights PHL to LON on American Airlines
Flight # Depart PHL Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
789 9:45 am 10:10 pm Mar 29 - May 20
6129 6:10 pm 6:20 am Mar 29 - Oct 23
6129 7:35 pm 7:40 am Mar 28 - Mar 28
6129 7:35 pm 6:40 am Mar 13 - Mar 27
6129 7:35 pm 6:40 am Mar 8 - Mar 26
728 8:45 pm 9:00 am Mar 29 - May 20
728 8:50 pm 9:00 am Mar 28 - Mar 28
6131 10:00 pm 10:00 am Mar 29 - Oct 23
728 10:15 pm 9:25 am Mar 8 - Mar 27
6131 11:05 pm 11:05 am Mar 28 - Mar 28
6131 11:05 pm 10:05 am Mar 8 - Mar 27
Airports
Origin

Philadelphia
$631
Destination

London
only $631
only $860