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Find Flight Deals from Philadelphia to London Heathrow (PHL - LHR)

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

Book cheap flights from Philadelphia to London Heathrow

(Round-trip)
Depart: Sun Mar 22 2015 Return: Tue Mar 24 2015 Trip spans 3 days
KLM Royal Dutch
KLM Royal Dutch
PHL
4:30p
LHR
6:25a
13h 55m
2 stops
LHR
6:10a
PHL
10:12p
16h 02m
1 stop
Depart: Fri Mar 6 2015 Return: Sun Mar 8 2015 Trip spans 3 days
Delta
Delta
PHL
7:59a
LHR
8:50p
12h 51m
1 stop
LHR
1:30a
PHL
9:20p
18h 50m
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: Tue Mar 24 2015 Return: Tue Mar 31 2015 Trip spans 8 days
Air Canada
Air Canada
PHL
5:50a
LHR
11:30p
17h 40m
2 stops
LHR
9:00a
PHL
11:52p
14h 52m
2 stops
Depart: Sun Mar 8 2015 Return: Mon Mar 16 2015 Trip spans 9 days
Virgin Atlantic
Virgin Atlantic
PHL
2:09p
LHR
11:40p
9h 31m
1 stop
LHR
6:10a
PHL
7:19p
13h 09m
1 stop
Depart: Wed Mar 18 2015 Return: Mon Mar 23 2015 Trip spans 6 days
Air France
Air France
PHL
8:25a
LHR
3:00a
18h 35m
1 stop
LHR
6:10a
PHL
7:19p
13h 09m
1 stop
Depart: Fri Apr 17 2015 Return: Sun Apr 19 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
PHL
5:10p
LHR
5:20a
12h 10m
1 stop
LHR
2:55a
PHL
4:20p
13h 25m
1 stop
Depart: Thu Apr 23 2015 Return: Sat Apr 25 2015 Trip spans 3 days
British Airways
British Airways
PHL
5:10p
LHR
2:10a
9h 00m
1 stop
LHR
2:55a
PHL
4:20p
13h 25m
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
4:20a
PHL
12:40p
8h 20m
nonstop
Depart: Fri Apr 10 2015 Return: Sun Apr 12 2015 Trip spans 3 days
US Airways
US Airways
PHL
2:20p
LHR
5:25a
15h 05m
1 stop
LHR
6:15a
PHL
2:25p
8h 10m
nonstop
Depart: Sat May 30 2015 Return: Sun May 31 2015 Trip spans 2 days
American Airlines
American Airlines
PHL
4:50p
LHR
12:00a
7h 10m
nonstop
LHR
3:05p
PHL
2:33p
23h 28m
1 stop
Depart: Sat Sep 26 2015 Return: Wed Oct 7 2015 Trip spans 12 days
Finnair
Finnair
PHL
4:50p
LHR
12:00a
7h 10m
nonstop
LHR
4:20a
PHL
12:35p
8h 15m
nonstop
Change your search
Direct flights PHL to LHR 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 6:40 am Mar 13 - Mar 27
6129 7:35 pm 6:40 am Mar 8 - Mar 26
6129 7:35 pm 7:40 am Mar 28 - Mar 28
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 10:05 am Mar 8 - Mar 27
6131 11:05 pm 11:05 am Mar 28 - Mar 28
Airports
Origin

Philadelphia
$661
Destination

London
$661