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: Tue Nov 14 2017 Return: Tue Nov 28 2017 Trip spans 15 days
Multiple Airlines
Multiple Airlines
PHL
LGW
17h 11m
2 stops
LGW
PHL
16h 57m
2 stops
Depart: Sat Nov 11 2017 Return: Sun Nov 12 2017 Trip spans 2 days
Multiple Airlines
Multiple Airlines
PHL
LHR
17h 01m
2 stops
LHR
PHL
28h 45m
2 stops
Depart: Fri Jan 12 2018 Return: Tue Jan 16 2018 Trip spans 5 days
Multiple Airlines
Multiple Airlines
PHL
LGW
11h 50m
1 stop
LGW
PHL
16h 02m
1 stop
Depart: Fri Nov 3 2017 Return: Wed Nov 8 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
PHL
LGW
35h 45m
2 stops
LGW
PHL
20h 44m
1 stop
Depart: Mon Jan 29 2018 Return: Tue Feb 6 2018 Trip spans 9 days
Multiple Airlines
Multiple Airlines
PHL
LGW
13h 26m
1 stop
LGW
PHL
13h 30m
1 stop
Depart: Fri Nov 3 2017 Return: Fri Nov 10 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
PHL
LGW
22h 55m
2 stops
LGW
PHL
16h 42m
2 stops
Depart: Wed Nov 8 2017 Return: Wed Nov 15 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
PHL
LHR
17h 01m
2 stops
LHR
PHL
19h 05m
2 stops
Depart: Tue Nov 14 2017 Return: Tue Nov 28 2017 Trip spans 15 days
Multiple Airlines
Multiple Airlines
PHL
LHR
13h 30m
2 stops
LHR
PHL
16h 39m
2 stops
Depart: Mon Dec 4 2017 Return: Wed Dec 13 2017 Trip spans 10 days
Multiple Airlines
Multiple Airlines
PHL
LHR
13h 30m
2 stops
LHR
PHL
15h 22m
2 stops
Depart: Thu Dec 7 2017 Return: Tue Dec 12 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
PHL
LHR
13h 30m
2 stops
LHR
PHL
17h 39m
2 stops
Depart: Fri Dec 8 2017 Return: Sun Dec 17 2017 Trip spans 10 days
Multiple Airlines
Multiple Airlines
PHL
LHR
13h 30m
2 stops
LHR
PHL
26h 22m
2 stops
Depart: Thu Nov 23 2017 Return: Thu Nov 30 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
PHL
LHR
17h 01m
2 stops
LHR
PHL
24h 49m
2 stops
Depart: Fri Dec 8 2017 Return: Fri Dec 15 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
PHL
LHR
13h 30m
2 stops
LHR
PHL
19h 05m
2 stops
Depart: Thu Oct 19 2017 Return: Tue Oct 24 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
PHL
LGW
16h 30m
2 stops
LGW
PHL
16h 46m
2 stops
Depart: Mon Dec 4 2017 Return: Wed Dec 13 2017 Trip spans 10 days
Multiple Airlines
Multiple Airlines
PHL
LGW
14h 40m
2 stops
LGW
PHL
16h 42m
2 stops
Depart: Wed Dec 6 2017 Return: Sun Dec 10 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
PHL
LGW
20h 35m
2 stops
LGW
PHL
26h 09m
2 stops
Depart: Thu Dec 7 2017 Return: Mon Dec 11 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
PHL
LGW
12h 20m
2 stops
LGW
PHL
17h 27m
2 stops
Depart: Fri Dec 8 2017 Return: Fri Dec 15 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
PHL
LHR
13h 30m
2 stops
LHR
PHL
17h 55m
2 stops
Depart: Mon Oct 16 2017 Return: Fri Nov 10 2017 Trip spans 26 days
Multiple Airlines
Multiple Airlines
PHL
LGW
20h 13m
2 stops
LGW
PHL
15h 21m
2 stops
Depart: Thu Nov 9 2017 Return: Mon Nov 13 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
PHL
LHR
16h 01m
2 stops
LHR
PHL
19h 47m
2 stops
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 5:35 am Oct 28 - Oct 28
6129 6:30 pm 6:35 am Sep 2 - Oct 27
736 7:20 pm 7:45 am Sep 2 - Oct 27
6129 7:35 pm 6:30 am Oct 29 - Nov 4
736 8:25 pm 7:45 am Oct 28 - Oct 28
728 8:40 pm 9:00 am Oct 5 - Oct 27
728 8:40 pm 9:00 am Sep 2 - Oct 4
736 8:40 pm 7:45 am Oct 29 - Nov 4
728 10:05 pm 9:20 am Oct 28 - Oct 28
728 10:10 pm 9:20 am Oct 29 - Nov 4
* 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
$523
Destination

London
only $539
only $523