Find Cheap Flights from London to Philadelphia (LON - PHL)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

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

Book cheap flights from London to Philadelphia

(Round-trip)
Depart: Fri Nov 17 2017 Return: Wed Nov 22 2017 Trip spans 6 days
Lufthansa
Lufthansa
LCY
PHL
12h 50m
1 stop
PHL
LCY
10h 40m
1 stop
Depart: Fri Nov 17 2017 Return: Sat Dec 2 2017 Trip spans 16 days
Virgin Atlantic
Virgin Atlantic
LHR
PHL
8h 41m
nonstop
PHL
LHR
7h 02m
nonstop
Depart: Wed Sep 6 2017 Return: Tue Sep 19 2017 Trip spans 14 days
Icelandair
Icelandair
LHR
PHL
11h 05m
1 stop
PHL
LHR
10h 10m
1 stop
Depart: Wed Jan 24 2018 Return: Wed Jan 31 2018 Trip spans 8 days
SWISS
SWISS
LCY
PHL
17h 44m
2 stops
PHL
LCY
17h 50m
1 stop
Depart: Mon Dec 4 2017 Return: Sat Dec 9 2017 Trip spans 6 days
British Airways
British Airways
LGW
PHL
34h 24m
1 stop
PHL
LGW
10h 15m
1 stop
Depart: Wed Sep 27 2017 Return: Wed Oct 4 2017 Trip spans 8 days
Lufthansa
Lufthansa
LCY
PHL
13h 15m
1 stop
PHL
LCY
17h 35m
1 stop
Depart: Tue Dec 19 2017 Return: Mon Jan 1 2018 Trip spans 14 days
KLM
KLM
LCY
PHL
13h 55m
2 stops
PHL
LCY
13h 35m
2 stops
Depart: Wed Sep 27 2017 Return: Wed Oct 4 2017 Trip spans 8 days
Virgin Atlantic
Virgin Atlantic
LHR
PHL
8h 27m
nonstop
PHL
LHR
7h 25m
nonstop
Depart: Fri Oct 13 2017 Return: Sun Oct 15 2017 Trip spans 3 days
Lufthansa
Lufthansa
LCY
PHL
11h 50m
1 stop
PHL
LCY
20h 00m
1 stop
Depart: Thu Dec 21 2017 Return: Wed Jan 3 2018 Trip spans 14 days
Lufthansa
Lufthansa
LCY
PHL
12h 50m
1 stop
PHL
LCY
10h 40m
1 stop
Depart: Tue Dec 26 2017 Return: Sun Dec 31 2017 Trip spans 6 days
Virgin Atlantic
Virgin Atlantic
LHR
PHL
8h 49m
nonstop
PHL
LHR
7h 02m
nonstop
Depart: Sat Oct 14 2017 Return: Sat Oct 28 2017 Trip spans 15 days
Virgin Atlantic
Virgin Atlantic
LHR
PHL
8h 25m
nonstop
PHL
LHR
7h 15m
nonstop
Depart: Sat Jan 27 2018 Return: Tue Jan 30 2018 Trip spans 4 days
British Airways
British Airways
LGW
PHL
12h 50m
1 stop
PHL
LGW
12h 56m
1 stop
Depart: Wed Sep 6 2017 Return: Tue Sep 19 2017 Trip spans 14 days
Icelandair
Icelandair
LGW
PHL
11h 20m
1 stop
PHL
LGW
10h 00m
1 stop
Depart: Wed Jan 24 2018 Return: Wed Jan 31 2018 Trip spans 8 days
Virgin Atlantic
Virgin Atlantic
LHR
PHL
8h 44m
nonstop
PHL
LHR
14h 15m
1 stop
Depart: Fri Sep 15 2017 Return: Sat Sep 23 2017 Trip spans 9 days
British Airways
British Airways
LGW
PHL
24h 30m
1 stop
PHL
LGW
17h 20m
1 stop
Depart: Fri Sep 15 2017 Return: Sat Sep 23 2017 Trip spans 9 days
Icelandair
Icelandair
LHR
PHL
27h 05m
1 stop
PHL
LHR
28h 55m
2 stops
Depart: Fri Jan 12 2018 Return: Mon Jan 22 2018 Trip spans 11 days
Virgin Atlantic
Virgin Atlantic
LHR
PHL
11h 56m
1 stop
PHL
LHR
7h 15m
nonstop
Depart: Mon Jul 31 2017 Return: Mon Aug 7 2017 Trip spans 8 days
$1829
Select
Air France
Air France
LHR
PHL
14h 32m
1 stop
PHL
LHR
11h 25m
1 stop
Depart: Thu Aug 24 2017 Return: Sun Sep 3 2017 Trip spans 11 days
KLM
KLM
LHR
PHL
10h 58m
1 stop
PHL
LHR
31h 50m
1 stop
Direct flights LON to PHL on American Airlines
Flight # Depart LHR Arrive PHL Sun Mon Tue Wed Thu Fri Sat Valid Between
729 10:05 am 1:25 pm Aug 22 - Oct 4
729 10:05 am 1:15 pm Jul 26 - Aug 21
6130 12:40 pm 3:25 pm Jul 26 - Oct 28
737 2:25 pm 5:35 pm Jul 26 - Aug 21
737 2:25 pm 5:45 pm Aug 22 - Oct 28
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

London
only $499
only $446
only $751
Destination

Philadelphia
$446