London

$166+ Cheap flights from Pennsylvania to London, ON (YXU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — YXU
Sep 10 — Sep 171
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pennsylvania to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Pennsylvania to London

Keep the following information in mind while searching for Pennsylvania to London flight deals. Data was last updated September 5, 2025.

Round-trip from

$358
(Kiwi.com)

One-way from

$166
(Kiwi.com)
From Pennsylvania to London
One-way flight from Pennsylvania to London

Find flight deals from Pennsylvania to London

Cheapest flights from Pennsylvania to London
Explore the most affordable flight options available from Pennsylvania to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:45 pmIAD - YXU
1 stop10h 27mMultiple Airlines
Fri 10/248:00 pmYXU - IAD
2 stops19h 17mMultiple Airlines
Deal found 9/3$358
This oojo deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/115:30 pmJFK - YXU
1 stop11h 42mWestJet
Sun 10/196:00 amYXU - JFK
1 stop10h 32mWestJet
Deal found 9/2$360
This oojo deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:30 pmJFK - YXU
1 stop11h 42mWestJet
Thu 10/236:00 amYXU - JFK
1 stop10h 32mWestJet
Deal found 9/2$362
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:30 pmJFK - YXU
1 stop11h 42mWestJet
Fri 10/246:00 amYXU - JFK
1 stop10h 32mWestJet
Deal found 9/2$364
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:30 pmJFK - YXU
1 stop11h 42mMultiple Airlines
Fri 10/246:00 amYXU - JFK
2 stops28h 03mMultiple Airlines
Deal found 9/2$394
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:30 pmJFK - YXU
1 stop25h 37mMultiple Airlines
Thu 10/238:00 pmYXU - JFK
2 stops15h 59mMultiple Airlines
Deal found 9/2$402
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/185:30 pmJFK - YXU
1 stop11h 42mMultiple Airlines
Sat 10/258:00 pmYXU - JFK
2 stops15h 59mMultiple Airlines
Deal found 9/4$426
This Mytrip deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:15 amEWR - YXU
3 stops37h 52mMultiple Airlines
Thu 10/238:00 pmYXU - EWR
2 stops25h 05mMultiple Airlines
Deal found 9/2$428
This Gotogate deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:05 amLGA - YXU
2 stops7h 57mAir Canada
Sat 10/113:40 pmYXU - LGA
1 stop4h 19mAir Canada
Deal found 9/4$432
This Gotogate deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/44:55 pmEWR - YXU
1 stop4h 32mAir Canada
Sat 10/116:15 amYXU - EWR
1 stop3h 59mAir Canada
Deal found 9/4$435
This Mytrip deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/279:55 amLGA - YXU
2 stops19h 17mMultiple Airlines
Tue 9/308:00 pmYXU - LGA
2 stops20h 30mMultiple Airlines
Deal found 9/3$443
This Mytrip deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/278:49 amLGA - YXU
2 stops20h 23mMultiple Airlines
Wed 10/18:00 pmYXU - LGA
2 stops26h 38mMultiple Airlines
Deal found 9/4$447

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 5, 2025.
Use the filters below to find and compare flights from Pennsylvania to London that are best for you.

Fly from

Pennsylvania

Fly to

London

Route

Depart

Return

Price

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 10/17

6:45 pm-5:12 am

1 stop10h 27m

London

Fri 10/24

8:00 pm-3:17 pm

2 stops19h 17m

$358

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

Sat 10/11

5:30 pm-5:12 am

1 stop11h 42m

London

Sun 10/19

6:00 am-4:32 pm

1 stop10h 32m

$360

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

Thu 10/16

5:30 pm-5:12 am

1 stop11h 42m

London

Thu 10/23

6:00 am-4:32 pm

1 stop10h 32m

$362

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

Fri 10/17

5:30 pm-5:12 am

1 stop11h 42m

London

Fri 10/24

6:00 am-4:32 pm

1 stop10h 32m

$364

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

Fri 10/17

5:30 pm-5:12 am

1 stop11h 42m

London

Fri 10/24

6:00 am-10:03 am

2 stops28h 03m

$394

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

Thu 10/16

5:30 pm-7:07 pm

1 stop25h 37m

London

Thu 10/23

8:00 pm-11:59 am

2 stops15h 59m

$402

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

Sat 10/18

5:30 pm-5:12 am

1 stop11h 42m

London

Sat 10/25

8:00 pm-11:59 am

2 stops15h 59m

$426

NewarkLondon

EWR - YXU

EWRYXU

Newark

Thu 10/16

5:15 am-7:07 pm

3 stops37h 52m

London

Thu 10/23

8:00 pm-9:05 pm

2 stops25h 05m

$428

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Sat 10/4

7:05 am-3:02 pm

2 stops7h 57m

London

Sat 10/11

3:40 pm-7:59 pm

1 stop4h 19m

$432

NewarkLondon

EWR - YXU

EWRYXU

Newark

Sat 10/4

4:55 pm-9:27 pm

1 stop4h 32m

London

Sat 10/11

6:15 am-10:14 am

1 stop3h 59m

$435

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 53 results
1
2
3
...
6

Best time to book a flight from Pennsylvania to London

Have a flexible travel schedule? Discover the best time to fly to London from Pennsylvania with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Pennsylvania to London
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to London from Pennsylvania?

    Located just 5.3 mi from the city center, London (YXU) is the airport most travelers will use when flying to London from Pennsylvania.

  • How long is the flight from Pennsylvania to London, Ontario?

    For as low as $432, WestJet can have you in London, Ontario from Pennsylvania in 7h 57m. There are 405 mi between Pennsylvania and London, Ontario. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Pennsylvania to London, Ontario?

  • Can I find deals for flights from Pennsylvania to London that include hotel bookings?

    Yes. In addition to deals on Pennsylvania to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pennsylvania to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to London.

  • Can I find deals for business class flights from Pennsylvania to London?

    Yes. Cheapflights offers flight deals from Pennsylvania to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Grand Bend

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pennsylvania to London

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Pennsylvania to London

Discover the top airline that operate flights from Pennsylvania to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$549Average$1,135FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.