How does KAYAK find such low prices on flights from Pennsylvania to London?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to London. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Pennsylvania to London?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Pennsylvania with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to London?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$195 CHEAP FLIGHTS from Pennsylvania to London

YXU

KAYAK searches hundreds of travel sites at once for deals on flights to London

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Cheapest round-trip

$460

Air Canada

Sun 1/18Sun 1/25

EWR - YXU • 1 stop

Cheapest one-way

$195

Multiple Airlines

Tue 1/27

PHL - YXU • 3 stops

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to London!

Flight Deals

Cheap Flights from Pennsylvania to London

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Pennsylvania to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Pennsylvania to London

Sun, Jan 18 - Sun, Jan 25

11:05 am - 5:05 pm

EWR

YXU

6h 00m1 stop

5:40 pm - 10:48 pm

YXU

EWR

5h 08m1 stop

$460Air Canada

Sun, Jan 18 - Sun, Jan 25

6:55 am - 5:05 pm

EWR

YXU

10h 10m2 stops

5:10 am - 10:25 am

YXU

EWR

5h 15m1 stop

$461Air Canada

Tue, Jan 20 - Tue, Jan 27

5:45 am - 6:34 am

EWR

YXU

24h 49m3 stops

8:10 pm - 11:58 pm

YXU

EWR

27h 48m3 stops

$469Multiple Airlines

Tue, Jan 20 - Tue, Jan 27

7:55 am - 6:34 am

EWR

YXU

22h 39m3 stops

8:10 pm - 11:27 pm

YXU

EWR

27h 17m3 stops

$471Multiple Airlines

Tue, Jan 20 - Tue, Jan 27

5:45 am - 6:34 am

EWR

YXU

24h 49m3 stops

8:10 pm - 1:28 pm

YXU

EWR

17h 18m1 stop

$489Multiple Airlines

Wed, Jan 21 - Thu, Jan 22

4:30 pm - 9:21 pm

IAD

YXU

4h 51m1 stop

9:50 am - 3:46 pm

YXU

IAD

5h 56m1 stop

$495Air Canada

Mon, Feb 9 - Wed, Feb 18

12:55 pm - 9:21 pm

DCA

YXU

8h 26m2 stops

5:10 am - 8:55 am

YXU

DCA

3h 45m1 stop

$500Air Canada

Mon, Jan 19 - Mon, Jan 26

5:16 pm - 9:20 pm

IAD

YXU

4h 04m1 stop

5:40 pm - 9:25 pm

YXU

IAD

3h 45m1 stop

$680United Airlines

Mon, Jan 19 - Mon, Jan 26

8:20 am - 5:05 pm

IAD

YXU

8h 45m2 stops

9:50 am - 3:46 pm

YXU

IAD

5h 56m1 stop

$689United Airlines

Mon, Jan 19 - Mon, Jan 26

11:30 am - 5:05 pm

LGA

YXU

5h 35m1 stop

9:50 am - 2:28 pm

YXU

LGA

4h 38m1 stop

$697United Airlines

Useful Info

Cheapest flight	$195

Flight from Philadelphia to London

How does KAYAK find such low prices on flights from Pennsylvania to London?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to London.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to London?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Pennsylvania to London?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Pennsylvania with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to London?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Grand Bend

Everything you need to know for your flight to London

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London (YXU)

YXU

$195 Find Cheap Flights from Pennsylvania to London

KAYAK searches hundreds of travel sites at once for deals on flights to London

Everything you should know

Cheap Flights from Pennsylvania to London

Recent round-trip flight deals from Pennsylvania to London

Recent one-way flight deals from Pennsylvania to London

Recent last minute flight deals from Pennsylvania to London

Good to know

FAQs for booking flights from Pennsylvania to London

How does KAYAK find such low prices on flights from Pennsylvania to London?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to London.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Pennsylvania to London?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Pennsylvania with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to London?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near London?

Everything you need to know for your flight to London

Information on the airport you'll fly into in London

Cabin class types available on flights to Pennsylvania

Complete your trip to London with a hotel stay or car rental

Flights to other popular destinations

Flights from domestic origins to London

Choose which airport to fly into in London