Find Deals on Flights from Philadelphia to London (PHL - LON)

Depart
Return
1 adult
Adults
18+
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.
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Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights from Philadelphia to London

(Round-trip)
Depart: Mon 9 Jan 2017 Return: Tue 10 Jan 2017 Trip spans 2 days
Depart: Mon 21 Nov 2016 Return: Tue 22 Nov 2016 Trip spans 2 days
Depart: Sat 28 Jan 2017 Return: Sun 5 Feb 2017 Trip spans 9 days
Depart: Sun 30 Oct 2016 Return: Mon 7 Nov 2016 Trip spans 9 days
Depart: Fri 11 Nov 2016 Return: Mon 14 Nov 2016 Trip spans 4 days
Depart: Sat 17 Dec 2016 Return: Sat 31 Dec 2016 Trip spans 15 days
Depart: Wed 16 Nov 2016 Return: Wed 23 Nov 2016 Trip spans 8 days
Depart: Sat 5 Nov 2016 Return: Sun 6 Nov 2016 Trip spans 2 days
Depart: Thu 1 Dec 2016 Return: Fri 2 Dec 2016 Trip spans 2 days
Depart: Mon 16 Jan 2017 Return: Sun 22 Jan 2017 Trip spans 7 days
Depart: Mon 31 Oct 2016 Return: Sun 6 Nov 2016 Trip spans 7 days
Depart: Wed 30 Nov 2016 Return: Tue 6 Dec 2016 Trip spans 7 days
Depart: Thu 12 Jan 2017 Return: Mon 16 Jan 2017 Trip spans 5 days
Depart: Tue 7 Feb 2017 Return: Thu 16 Feb 2017 Trip spans 10 days
Depart: Wed 23 Nov 2016 Return: Sun 27 Nov 2016 Trip spans 5 days
Depart: Thu 22 Dec 2016 Return: Sat 31 Dec 2016 Trip spans 10 days
Depart: Fri 16 Sep 2016 Return: Sun 18 Sep 2016 Trip spans 3 days
Depart: Mon 31 Oct 2016 Return: Tue 8 Nov 2016 Trip spans 9 days
Depart: Mon 19 Sep 2016 Return: Sat 24 Sep 2016 Trip spans 6 days
Depart: Tue 22 Nov 2016 Return: Sun 27 Nov 2016 Trip spans 6 days
Direct flights PHL - LON on British Airways
Flight # Depart PHL Arrive LHR Mon Tue Wed Thu Fri Sat Sun Valid between
66 18:20 06:35 30 Aug - 7 Sep
66 18:20 06:35 2 Sep - 8 Sep
66 18:20 06:35 22 Sep - 29 Sep
66 18:20 06:35 8 Oct - 15 Oct
66 18:20 06:35 1 Oct - 1 Oct
66 18:20 06:35 23 Sep - 28 Sep
66 18:20 06:35 20 Sep - 25 Sep
66 18:20 06:35 15 Sep - 15 Sep
66 18:20 06:35 13 Sep - 13 Sep
66 18:20 06:35 9 Sep - 21 Sep
66 18:20 06:35 30 Sep - 6 Oct
66 18:20 06:35 7 Oct - 13 Oct
1587 20:50 09:00 30 Aug - 28 Oct
68 22:05 10:05 17 Sep - 23 Sep
68 22:05 10:05 21 Sep - 24 Sep
68 22:05 10:05 26 Sep - 1 Oct
68 22:05 10:05 3 Oct - 14 Oct
68 22:05 10:05 8 Oct - 15 Oct
68 22:05 10:05 10 Sep - 14 Sep
68 22:05 10:05 9 Sep - 16 Sep
68 22:05 10:05 1 Sep - 8 Sep
68 22:05 10:05 25 Sep - 2 Oct
* We attempt to get accurate prices and fees; however, prices and fees are not guaranteed, and may be subject to last minute changes over which we have no control.
Airports
Origin

Philadelphia
£491
Destination

London
only £491
only £647
only £542