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

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

Book cheap flights from Philadelphia to London Airport

(Round-trip)
Depart: Mon Mar 13 2017 Return: Fri Mar 17 2017 Trip spans 5 days
WestJet
WestJet
PHL
9:30a
YXU
10:30a
25h 00m
1 stop
YXU
2:15a
PHL
9:14a
6h 59m
1 stop
Depart: Mon Mar 6 2017 Return: Wed Mar 8 2017 Trip spans 3 days
WestJet
WestJet
PHL
3:15p
YXU
9:30a
18h 15m
1 stop
YXU
1:15a
PHL
6:19a
5h 04m
1 stop
Depart: Fri Feb 24 2017 Return: Sun Feb 26 2017 Trip spans 3 days
$1692
Select
Air Canada
Air Canada
PHL
11:50a
YXU
3:12p
3h 22m
1 stop
YXU
5:35a
PHL
11:12a
5h 37m
1 stop
Depart: Sat Feb 25 2017 Return: Sun Feb 26 2017 Trip spans 2 days
$1710
Select
Air Canada
Air Canada
PHL
1:10a
YXU
6:23a
5h 13m
1 stop
YXU
2:15p
PHL
5:47p
3h 32m
1 stop
Depart: Thu Feb 23 2017 Return: Sat Feb 25 2017 Trip spans 3 days
$1743
Select
Air Canada
Air Canada
PHL
11:50a
YXU
3:12p
3h 22m
1 stop
YXU
3:45p
PHL
4:52a
13h 07m
1 stop
* 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.

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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,
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Airports
Origin

Philadelphia
$521
Destination

London
$521