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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: Fri Jan 23 2015 Return: Sun Jan 25 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
PHL
11:35a
LHR
10:25p
10h 50m
1 stop
LHR
2:30a
PHL
4:00p
13h 30m
1 stop
Depart: Fri Jan 9 2015 Return: Sun Jan 11 2015 Trip spans 3 days
British Airways
British Airways
PHL
4:15p
LHR
11:25p
7h 10m
nonstop
LHR
2:50a
PHL
2:00p
11h 10m
1 stop
Depart: Thu Jan 29 2015 Return: Sun Feb 1 2015 Trip spans 4 days
Air Canada
Air Canada
PHL
11:35a
LHR
11:15p
35h 40m
2 stops
LHR
1:00a
PHL
6:12p
17h 12m
2 stops
Depart: Thu Jan 15 2015 Return: Sat Jan 17 2015 Trip spans 3 days
Iberia
Iberia
PHL
9:13a
LHR
1:35a
16h 22m
1 stop
LHR
5:40a
PHL
4:05p
34h 25m
1 stop
Depart: Thu Feb 12 2015 Return: Sun Feb 15 2015 Trip spans 4 days
Finnair
Finnair
PHL
3:50p
LHR
8:35a
40h 45m
2 stops
LHR
8:15a
PHL
4:20p
8h 05m
nonstop
Depart: Sun Jan 11 2015 Return: Tue Jan 20 2015 Trip spans 10 days
American Airlines
American Airlines
PHL
5:05p
LHR
12:05a
7h 00m
nonstop
LHR
1:55a
PHL
2:00p
12h 05m
1 stop
Depart: Sun Feb 15 2015 Return: Tue Feb 24 2015 Trip spans 10 days
US Airways
US Airways
PHL
4:15p
LHR
11:25p
7h 10m
nonstop
LHR
1:55a
PHL
2:00p
12h 05m
1 stop
Depart: Wed Apr 22 2015 Return: Mon Apr 27 2015 Trip spans 6 days
Virgin Atlantic
Virgin Atlantic
PHL
3:04p
LHR
10:30p
7h 26m
nonstop
LHR
8:30a
PHL
5:01p
8h 31m
nonstop
Depart: Mon Dec 29 2014 Return: Tue Jan 6 2015 Trip spans 9 days
United
United
PHL
12:30p
LHR
2:00a
13h 30m
1 stop
LHR
11:20a
PHL
10:45p
11h 25m
1 stop
Depart: Wed May 27 2015 Return: Mon Jun 8 2015 Trip spans 13 days
Delta
Delta
PHL
3:04p
LHR
10:30p
7h 26m
nonstop
LHR
8:30a
PHL
4:50p
8h 20m
nonstop
Depart: Mon Apr 20 2015 Return: Fri Apr 24 2015 Trip spans 5 days
Lufthansa
Lufthansa
PHL
1:45p
LHR
12:40a
10h 55m
1 stop
LHR
4:05p
PHL
4:45p
48h 40m
2 stops
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
6129 6:35 pm 6:40 am Dec 18 - Dec 27
6129 6:35 pm 6:40 am Dec 28 - Feb 2
6129 6:35 pm 6:40 am Jan 2 - Mar 6
728 9:15 pm 9:25 am Dec 26 - Mar 7
6131 10:05 pm 10:05 am Jan 18 - Jan 26
6131 10:05 pm 10:05 am Jan 1 - Jan 16
Airports
Origin

Philadelphia
$717
Destination

London
$717