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

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 Philadelphia to London

(Round-trip)
Depart: Sun Sep 24 2017 Return: Sun Oct 8 2017 Trip spans 15 days
Major Airline
Major Airline
PHL
LHR
7h 20m
nonstop
LHR
PHL
11h 40m
1 stop
Depart: Thu Nov 2 2017 Return: Mon Nov 6 2017 Trip spans 5 days
Delta
Delta
PHL
LHR
7h 15m
nonstop
LHR
PHL
8h 41m
nonstop
Depart: Sun Sep 10 2017 Return: Tue Sep 19 2017 Trip spans 10 days
Icelandair
Icelandair
PHL
LGW
10h 10m
1 stop
LGW
PHL
11h 05m
1 stop
Depart: Mon Aug 14 2017 Return: Wed Aug 23 2017 Trip spans 10 days
British Airways
British Airways
PHL
LHR
7h 20m
nonstop
LHR
PHL
20h 55m
1 stop
Depart: Wed Dec 20 2017 Return: Tue Dec 26 2017 Trip spans 7 days
KLM
KLM
PHL
LHR
17h 50m
1 stop
LHR
PHL
17h 25m
1 stop
Depart: Thu Nov 9 2017 Return: Wed Nov 22 2017 Trip spans 14 days
Lufthansa
Lufthansa
PHL
LCY
10h 40m
1 stop
LCY
PHL
12h 50m
1 stop
Depart: Wed Dec 27 2017 Return: Wed Jan 3 2018 Trip spans 8 days
Air Canada
Air Canada
PHL
LHR
17h 00m
1 stop
LHR
PHL
27h 42m
3 stops
Depart: Fri Nov 17 2017 Return: Sat Nov 25 2017 Trip spans 9 days
SWISS
SWISS
PHL
LCY
12h 55m
2 stops
LCY
PHL
32h 45m
2 stops
Depart: Mon Jul 17 2017 Return: Thu Jul 27 2017 Trip spans 11 days
Iberia
Iberia
PHL
LHR
7h 20m
nonstop
LHR
PHL
8h 10m
nonstop
Depart: Fri Dec 1 2017 Return: Thu Dec 14 2017 Trip spans 14 days
Delta
Delta
PHL
LHR
7h 02m
nonstop
LHR
PHL
8h 49m
nonstop
Depart: Tue Aug 15 2017 Return: Wed Aug 30 2017 Trip spans 16 days
British Airways
British Airways
PHL
LHR
7h 20m
nonstop
LHR
PHL
11h 15m
1 stop
Depart: Wed Oct 25 2017 Return: Wed Nov 15 2017 Trip spans 22 days
Major Airline
Major Airline
PHL
LHR
7h 05m
nonstop
LHR
PHL
8h 35m
nonstop
Depart: Wed Nov 1 2017 Return: Sun Nov 5 2017 Trip spans 5 days
Delta
Delta
PHL
LHR
18h 00m
1 stop
LHR
PHL
8h 41m
nonstop
Depart: Thu Aug 17 2017 Return: Tue Sep 5 2017 Trip spans 20 days
British Airways
British Airways
PHL
LGW
10h 50m
1 stop
LGW
PHL
11h 10m
1 stop
Depart: Mon Sep 11 2017 Return: Sun Sep 24 2017 Trip spans 14 days
Major Airline
Major Airline
PHL
LHR
7h 25m
nonstop
LHR
PHL
8h 20m
nonstop
Depart: Mon Nov 20 2017 Return: Sun Nov 26 2017 Trip spans 7 days
Delta
Delta
PHL
LHR
13h 10m
1 stop
LHR
PHL
16h 25m
1 stop
Depart: Sat Nov 18 2017 Return: Fri Nov 24 2017 Trip spans 7 days
Lufthansa
Lufthansa
PHL
STN
19h 45m
2 stops
STN
PHL
25h 35m
2 stops
Depart: Tue Aug 22 2017 Return: Tue Sep 12 2017 Trip spans 22 days
British Airways
British Airways
PHL
LHR
7h 25m
nonstop
LHR
PHL
7h 45m
nonstop
Depart: Wed Sep 20 2017 Return: Wed Sep 27 2017 Trip spans 8 days
Major Airline
Major Airline
PHL
LGW
20h 30m
2 stops
LGW
PHL
39h 31m
2 stops
Depart: Thu Aug 17 2017 Return: Mon Sep 4 2017 Trip spans 19 days
British Airways
British Airways
PHL
LHR
7h 20m
nonstop
LHR
PHL
20h 55m
1 stop
Direct flights PHL to LON on American Airlines
Flight # Depart PHL Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
6129 6:30 pm 6:35 am Jun 24 - Oct 27
736 7:15 pm 7:45 am Jun 24 - Aug 21
728 8:40 pm 9:00 am Jun 29 - Aug 21
* 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

Philadelphia
$555
Destination

London
only $555
only $690
only $579
only $711
Airlines Airline reviews

35 travelers who booked a flight from Philadelphia to London rated their chosen airlines with an average of 7.9.

Overall
7.7
Boarding
8.1
Crew
8.1
Comfort
7.5
Food
7.3
Entertainment
8.2