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$241+ Cheap flights from Pennsylvania to London, ON (YXU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — YXU
Mar 10 — Mar 171
Mon 3/10
Mon 3/17
1 adult, Economy
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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 March 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$241
(Kiwi.com)
Provider with most accurate pricing for Philadelphia-London flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-London flights.
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From Pennsylvania to London
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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 March 5, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/310:59 pmPHL - YXU
1 stop12h 21mMultiple Airlines
Mon 4/712:20 pmYXU - PHL
1 stop29h 57mMultiple Airlines
Deal found 3/5$241
This Mytrip deal was found by Cheapflights users on 3/5. 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 4/37:59 amEWR - YXU
1 stop27h 21mMultiple Airlines
Mon 4/78:00 pmYXU - EWR
2 stops34h 49mMultiple Airlines
Deal found 3/5$332
This Gotogate deal was found by Cheapflights users on 3/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/307:45 amEWR - YXU
2 stops7h 12mAir Canada
Fri 8/16:15 amYXU - EWR
1 stop3h 52mAir Canada
Deal found 3/3$528
This Gotogate deal was found by Cheapflights users on 3/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/3010:30 amLGA - YXU
1 stop4h 27mAir Canada
Fri 8/19:55 amYXU - LGA
1 stop3h 34mAir Canada
Deal found 3/3$529
This Gotogate deal was found by Cheapflights users on 3/5. 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 4/1910:30 amJFK - YXU
1 stop4h 18mAir Canada
Sat 4/269:55 amYXU - JFK
1 stop5h 05mAir Canada
Deal found 3/5$539
This United Airlines deal was found by Cheapflights users on 3/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1810:30 amLGA - YXU
1 stop4h 18mUnited Airlines
Fri 4/255:15 amYXU - LGA
1 stop4h 01mUnited Airlines
Deal found 3/4$596
This United Airlines deal was found by Cheapflights users on 3/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1810:30 amJFK - YXU
1 stop4h 18mUnited Airlines
Fri 4/259:55 amYXU - JFK
1 stop5h 05mUnited Airlines
Deal found 3/5$596
This United Airlines deal was found by Cheapflights users on 3/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/127:00 amEWR - YXU
2 stops7h 57mUnited Airlines
Tue 7/155:45 pmYXU - EWR
1 stop4h 01mUnited Airlines
Deal found 3/5$604
This Justfly.com deal was found by Cheapflights users on 3/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/199:40 amDCA - YXU
1 stop5h 08mAir Canada
Sun 4/205:15 amYXU - DCA
1 stop3h 38mAir Canada
Deal found 3/4$680
This Justfly.com deal was found by Cheapflights users on 3/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/192:40 pmIAD - YXU
1 stop5h 39mAir Canada
Sun 4/209:55 amYXU - IAD
1 stop4h 01mAir Canada
Deal found 3/4$680
This United deal was found by Cheapflights users on 3/5. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2010:30 amJFK - YXU
1 stop4h 27mMultiple Airlines
Sun 9/219:55 amYXU - JFK
2 stops11h 20mMultiple Airlines
Deal found 3/5$753
This United deal was found by Cheapflights users on 3/4. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2210:15 pmIAD - YXU
2 stops16h 43mUnited Airlines
Mon 5/263:35 pmYXU - IAD
2 stops20h 18mUnited Airlines
Deal found 3/4$804

Find flights from Pennsylvania to London within your budget

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 March 5, 2025.

Fly from

Pennsylvania

Fly to

London

Route

Depart

Return

Price

PhiladelphiaLondon

PHL - YXU

PHLYXU

Philadelphia

Thu 4/3

10:59 pm-11:20 am

1 stop12h 21m

London

Mon 4/7

12:20 pm-6:17 pm

1 stop29h 57m

$241

NewarkLondon

EWR - YXU

EWRYXU

Newark

Thu 4/3

7:59 am-11:20 am

1 stop27h 21m

London

Mon 4/7

8:00 pm-6:49 am

2 stops34h 49m

$332

NewarkLondon

EWR - YXU

EWRYXU

Newark

Mon 6/30

7:45 am-2:57 pm

2 stops7h 12m

London

Fri 8/1

6:15 am-10:07 am

1 stop3h 52m

$528

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Mon 6/30

10:30 am-2:57 pm

1 stop4h 27m

London

Fri 8/1

9:55 am-1:29 pm

1 stop3h 34m

$529

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

Sat 4/19

10:30 am-2:48 pm

1 stop4h 18m

London

Sat 4/26

9:55 am-3:00 pm

1 stop5h 05m

$539

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Fri 4/18

10:30 am-2:48 pm

1 stop4h 18m

London

Fri 4/25

5:15 am-9:16 am

1 stop4h 01m

$596

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

Fri 4/18

10:30 am-2:48 pm

1 stop4h 18m

London

Fri 4/25

9:55 am-3:00 pm

1 stop5h 05m

$596

NewarkLondon

EWR - YXU

EWRYXU

Newark

Sat 7/12

7:00 am-2:57 pm

2 stops7h 57m

London

Tue 7/15

5:45 pm-9:46 pm

1 stop4h 01m

$604

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sat 4/19

9:40 am-2:48 pm

1 stop5h 08m

London

Sun 4/20

5:15 am-8:53 am

1 stop3h 38m

$680

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Sat 4/19

2:40 pm-8:19 pm

1 stop5h 39m

London

Sun 4/20

9:55 am-1:56 pm

1 stop4h 01m

$680

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 32 results
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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.

Travel insights for flights from Pennsylvania to London

Get recent, data-driven insights about flights from Pennsylvania to London including ideal travel times, pricing trends, and more.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London, Ontario ranges from 2.8 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. March is typically the driest time to visit London, Ontario when rainfall is around 2.8 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated March 5, 2025.
Get a feel of what it's like to fly with United Airlines, WestJet and Air Canada from Pennsylvania to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,655 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines
7.4
Good
8,655 reviews
United Airlines
7.4
Good
8,655 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

WestJet
7.2
Good
2,788 reviews
United Airlines
7.4
Good
8,655 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Air Canada
7.0
Good
8,837 reviews
United Airlines
7.4
Good
8,655 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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.

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

    Most travelers choose Newark - London, Philadelphia - London or New York LaGuardia - London when deciding on the best route 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.

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